Haproxy ssl handshake failure. I decided to add Cloudflare proxy in front of my server.

Haproxy ssl handshake failure 3 using “ssl-default-bind-options force-tlsv13” . So if I restart haproxy during daily load, haproxy might fill CPU usage up to 100% and be unable to handle more than 700-800 requests per thread. 3 enabled TLS Fallback SCSV: Server supports TLS Fallback SCSV TLS renegotiation: Session renegotiation not supported TLS Compression: OpenSSL version does not support compression Rebuild with zlib1g-dev package for zlib support Hi there. We used to run haproxy with SSL pass thru. Log is full of: https/0. Commented Dec 24, 2013 at 19:47. Hot Network Questions Can i travel to India if my passport expires in 25 March 2025? Confusing usage of 「これ」 (with an unclear referent) and 「の」 (which could be possesive or appositional) Rust I cannot reach my services (nextcloud + homeassistant) and shows that the cert is expired. 1 local0 user haproxy group haproxy maxconn 10000 stats socket ipv4@127. E. Behind the HAProxy are apache web servers. HAPROXY SSL handshake failure So let's say if I do telnet localhost 443, type some garbage in and hit enter, the connection closes, I get a "SSL handshake failure" entry only once in a while: <155>Dec 4 16:14:16 haproxy-02 haproxy[2439309]: 127. My haproxy. Haproxy logs on 1. xxx. Without impacting your production site, I think that maybe you could compare User-Agents from both load-balancing deployments. 5. I would like to make a re-encryption on the backend side, but the ssl/tls check gives me the famous ‘Layer6 invalid response: SSL handshake failure’, in tcpdump ‘Unknown CA (48)’. 5 SSL and many website. So I’ve “dumped” the SSL communication and it has only this: 1 0. 11) Cris70 March 6, 2024, 11:03am 2. pem verify required redirect scheme https if !{ ssl_fc } acs host_test1 hdr_beg(host) test1. erver adserver/ad-1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure", check duration: 1ms. 7. 1 there is no performance issue because each request is a new tcp connection. 99:36908 [24/Feb/2020:10:43:11. foo. 2 Can anybody confirm whether stick-tables are run before or after the SSL handshake is checked? We are getting attacks by bots intentionally not using the correct client certificate that we set, and we want to make sure the stick table rules are applied even if the client fails SSL handshaking. vvv:63965 [18/Nov/2023:12:37:05. 0 sessions activ remaining in queue. wss:///) to wss mentioned above? Here is my code: global log /dev/ Hi Community, i dont know why, but my haproxy throws me severals time a “SSL handshake failure” like this: Jul 18 15:35:43 proxy1 haproxy[6477]: 192. I captured the tcp traffic on the haproxy server when a rdp client tries to connect: I am terminating SSL at the load balancer (HAProxy 1. That’s it for turning on this feature. Afsik Rc4 is really pretty old and shouldn’t be used anymore. trigger a SSL handshake failure (for example with mismatching SSL Hello All, I fight with this problem for some time now but unable to figure it out. pem crt /etc/ssl/certsforhaproxy/test2. This is a tough one to troubleshoot, not having a device where you can reproduce it easily. I decided to add Cloudflare proxy in front of my server. Appreciate any education. so if ssl failures occured it only affected that single request. (HAProxy version 2. key []ssl handshake failure[] Phase 2: Client Certificate Optional. XXXXXX:443 ssl check verify none I have setup with Haproxy fronting 2 backend servers and TLS termination on Hproxy as well as TLS between haproxy and the backend. It seems to work correctly, as the landing page displays correctly. The crt parameter identifies the location of the PEM-formatted SSL certificate. 0014 (0. If I navigate to the repo using a browser, it throws a warning about our self signed certificate, but it goes to the right place. – Filipe Giusti. I want to log Client Side Certificate SSL errors including the source-ip & client side certificate CN and CA CN when SSL Handshake fail SSL_connect:before/connect initialization SSL_connect:SSLv2/v3 write client hello A SSL_connect:SSLv3 read server hello A SSL_connect:SSLv3 read server certificate A SSL_connect:SSLv3 read server certificate request A SSL_connect:SSLv3 read server done A SSL_connect:SSLv3 write client certificate A SSL_connect:SSLv3 write client key exchange A Encrypt traffic using SSL/TLS. It’s possible I’m not understanding the difficulties with what I’m trying to do. Protocol Mismatch -Tested all the TLS version(TLS 1. You probably also want to select a default backend: default_backend backend_SIT_CI5 for an SNI Hi everybody, I’m using Haproxy to offload SSL so that I can connect using HTTPS to a service (running in my backend) which is HTTP only. 441] https_frontend_test/1: SSL handshake failure Jan 4 14:33:41 When you set accept-proxy, the client needs to send to actually send the PROXY protocol. com tcp-request content capture req. Load 7 more related questions Show fewer related questions Sorted by So here’s the deal - we have 2 HA proxy instances setup behind a google load balancer. I have my HAProxy setup with let’s Encrypt and everything is working well. Haproxy SSL handshake failure. 1:443 -cert . 2 haproxy ssl_fc_sni not matching correctly. com maps, adding the API key to all passing requests. 1:514 local2 daemon maxconn 256 defaults log global mode http option httplog timeout connect 5s timeout client 50s timeout When starting HAProxy the backend will report all servers as down: Server web_remote/apache_rem_1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure", check duration: 41ms. jazzl0ver: SSL handshake failure after heartbeat. 4. Passthrough dispatches the requests to our different I am using HAProxy 1. I think ‘ssl verify none’ option at listen directive is work when backend server uses self-signed certificate. 1,TLS 1. 4 Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company 140350987986584:error:140790E5:SSL routines:ssl23_write:ssl handshake failure:s23_lib. 8 How to track down "Connection timout during SSL handshake" and "Connection closed during ssl handshake" errors. /client_expired. Behind HA proxy there’s 6 web servers. I opened a discourse post before but after some more research I decided to open thi Aug 8 12:27:53 raspberrypi haproxy[28065]: Server tplink_dest_8092/ipcam is DOWN, reason: Layer4 connection problem, info: “SSL handshake failure”, check duration: 0ms. 2,TLS 1. There are intermittent SSL handshake failures after migrating 0. 100:51019 [18/Jul/2018:15:35:43. 133:443 ssl strict-sni crt /etc/haproxy/ssl/ mode http (set/modify some headers in request and response) use_backend app1 if { hdr_end(host) -i app1. When I try to make maven requests against the same repo however it fails with the Hi there I have a big issue regarding connection Haproxy to mysql throught ssl with mysql self signed cert. Can you explain what this configuration is supposed to achieve, especially regarding whether you want to pass SSL through or terminate on haproxy. The HAProxy log for the failure is: Jan 3 14:21:08 serv-2 haproxy[9075]: [client ip address]:xyz [03/Jan/2015:14:21:08. 0:443: SSL handshake failure Hi all ! It’s possible log more then “SSL handshake failure” ? For example, when a client browser uses an unsupported protocol in haproxy (for example SSL3), only entries are logged in: SSL handshake failure Connection closed during SSL handshake But that’s not enough to say what the cause was. It can be protocol mismatch cipher cuite mismatch incorrect It's a logical mapping internal to the haproxy process. pfx GeoTrust wildcard certificate and 2 other certificates titled IntermediateCA. To learn more we have to make that connection successful and that most likely requires us to lower security (FOR DEBUGGING ONLY!). 70. HAPROXY SSL handshake failure - debugging process? Hot Network Questions Dehn-twist on punctured 3-manifold Long pulsed laser rifles as the future of rifles? Is it normal to connect the positive to a fuse and the negative to the chassis Help in identifying this dot-sized insect crawling on my bed Why is the spectrum of the Laplacian on the torus discrete? Fails with: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. 2k, and some clients are getting random SSL handshake errors. 3. 2. server ssl check == L6OK/Layer6 check SSL_connect:SSLv3 write client certificate A SSL3 alert read:fatal:handshake failure Since you don't specify the client certificate properly an empty client certificate will be send. com How can I get haproxy to completely ignore SSL handshake errors? The history of SSL in HAProxy is very short: ssl handshake failure[] Connection with an expired certificate is refused too: $ openssl s_client -connect 192. patreon. I have been given a . Although, sometimes there are single requests failing SSL handshake. 2 HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 1 TLS handshake fails intermittently when using HAProxy Ingress Controller. I use the following configuration in the backend: backend be_intranet mode http server HAProxy 2. (We’re currently using mode tcp with tcp-request to block. example. 99:53156 [17/May/2017:12:37:21. cfg and restarted and still faced SSL failures for normal http1. Help! Nrogerdlm January 13, 2023, 2:36pm 1. My backend server is running on https with an internal CA signed certificate, Here are the config and other informations: global ssl-default-bind-ciphers TLS13-AES-256-GCM-SHA384:TLS13-AES-128-GCM-SHA256:TLS13 Hello, We use a HAProxy loadbalancer in TCP mode with behind it a HAProxy reverse proxy in HTTP mode. 960] https-in/1: SSL handshake failure Is this possibly due to the SSL certificate being a SAN / SNI? I’m getting a number of these per day, one burst every 5-10 minutes. In the configuration below, all users, those with and those without the certificate, are ### Detailed Description of the Problem When using error-log-format with %[ss l_fc_sni], we never actually return a SNI value. 1 local2 info chroot /var/lib/haproxy pidfile /var/run/haproxy. domain. e. 04 LTS] HAProxy config entry: frontend wapp1 bind 10. I am passing ssl traffic from the NLB to HAProxy and then SSL offloading is taking place on HAProxy. * /var/log/haproxy. default-dh-param 2048 ssl-default-bind-options no-sslv3 no-tls-tickets You are already using the TCP passthrough approach, there is no other way, as haproxy does not implement the postgres protocol. Possibly, it is not a problem, because conditions are very specific and the same shows also qdisc-method. In your http frontend configuration, you simply add a rule like this: http-request redirect scheme https if ACLXXX where ACLXXX represents the acl rule that identifies your server. 0 [ Ubuntu 16. 678] http-in/2: SSL handshake failure when I access over http (expecting the redirect) If I access via https then it correctly hits the backend and proxies through to the service over 443. Does anybody recognize this issue? Thanks in advance. 11 ( Kubernetes Ingress 1. Help! 10: 10490: January 7, 2019 Crl-file causes SSL/TLS Protocols: SSLv2 disabled SSLv3 disabled TLSv1. (e. 12. _version=2187 Dataplaneapi managed File changing file directly can cause a conflict if I figured out the issue I was facing. If you can find a User-Agent that is present in the Ubuntu 16. 0 disabled TLSv1. HAPROXY SSL handshake failure - debugging process? Hot Hello community, I’m trying to setup a reverse HAProxy to connect to a forward, LDAP auth based Squid. Port 443 serves everything and port 80 redirects to 443. yy. 120; set_real_ip_from 10. 468] http-in/2: SSL handshake failure (error:0A0000EA:SSL routines::callback failed) Nov 18 12:47:14 mail haproxy[126258]: Proxy http-in stopped (cumulated conns: FE: 866, BE: 0). 2 HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 0 TLS handshake fail. You signed out in another tab or window. Light. Whenever said device tries How to overcome and correct the SSL handshake failure with the above configuration; I found in Internet that SSL handshake may happen due to the below scenarios. Apache benchmark shows a lot of SSL failures during reloads. c:177: no peer certificate available No client certificate CA names sent SSL handshake has read 0 bytes and written 305 bytes. pem 10. 822] ssl/sock-1: SSL handshake failure global daemon maxconn 100000 stats socket /var/run/haproxy pidfile The ssl parameter enables SSL termination for this listener. Requests are working as expected. Pattern: I usually see the problem when a client make too many requests quickly. With Lua, you can maintain a lot of personal counters, but these counters cannot be checked throught the socket, you must create a Lua applet dedicated to give these stats. 138:64745 [08/Nov/2020:23:33:00. I can access Postgresql through the no-ssl port (1111), but through the SSL port I can't : my psql command ends up stalling. cfg looks like this: global log /dev/log local0 info log /dev/log local1 info chroot /var/lib/haproxy user haproxy group haproxy daemon # Default SSL material locations ca-base /etc/ssl/certs crt-base /etc/ssl/private tune. According to the HAProxy logs, the issue is an SSL Handshake failure: I have already confirmed that this ACL rule works to extract SNI from raw TCP packets. Upon further investigation >90% of the IPs are Apple Hi, I’m looking for docs. I want to configure HAProxy as a tcp pass-through with ssl proxy, but some settings don’t work. 1 local2 chroot /var/lib/haproxy pidfile /var/run/haproxy. 0 slow tls handshake. 1:9997 level admin stats socket /var/run/haproxy. Failures appear after a reload is finished. I wanted to know if it is possible to define an ACL that triggers the addition of the client ip to the stick-table even because TLS negotiation fails. 22-f8e3218 2023/02/14) –>HAProxy-LBS—>HAProxy-RPX—>webserver After enabling the proxy-protocol between the loadbalancer and reverse-proxy we see “SSL handshake failure” errors every 2 seconds(lbs alive check) The certificate files are concatenated and each file is just contains one certificate. Skip to main content 274/160955 (2642) : Server api_statusio/test2 is DOWN, reason: Socket error, info: "SSL handshake failure", check duration: 111ms. 816] ilo3/1: SSL handshake failure. 203. 4 haproxy Server XXXXX is DOWN, reason: Layer4 timeout. If it doesn’t, it will not work. Because IE8 uses the schannel SSL stack of the Operating System, that Operating System is very important. w:47996 [12/Ju However when doing a request the response is a 502 Bad Gateway and in in the debug logs of the destination server I'm just getting a SSL handshake failure: Feb 24 10:43:11 XenonKiloCranberry haproxy[5749]: 116. com use_backend HAProxy `SSL handshake failure` when proxing request from another serverHelpful? Please support me on Patreon: https://www. 1 active and 0 backup servers left. Hello all. 8 as HTTPS termination proxy in a VPN. I configured haproxy for SSL termination and started everything up. 2 HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" 0 HAProxy Backend Layer7 Invalid Response. There's three types of errors repeating: Connection closed during SSL handshake Timeout during SSL handshake SSL handshake failure (this one happens rarely) Haproxy ssl redirect handshake failure. But when I use a certificate they generated from my CSR and then use my private key as key, it Hello, we are running haproxy version 1. This type of data is not a statistic. HAProxy is not able to negotiate a secure connection to a Mutual TLS secured server. It's only when I take down serv1 that I get the SSL failures. I would make a ssllabs run on the synology Jun 25 22:28:46 haproxy haproxy[5750]: 192. HAproxy with Let'sEncrypt certificate produces SSL handshake failure. pem ca-file /etc/ssl/certsforhaproxy/ca. will result in frontend-name/bind_ssl_foo: SSL handshake failure. I get an SSL handshake failure. This “client hello” message lists The issue I am having is even when I get a successful config to startup the haproxy service I can’t get it to work 100% of the time. SSL/TLS. tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type 1 } acl is_my_domain req. HAProxyConf 2025 - Call for Papers is Open! HAProxy config tutorials Theme. Since switching, I keep getting some SSL connection errors in the HAProxy log (5-10% of the total number of requests). haproxy[12734]: Server https_backend/s1 is DOWN, reason: Layer6 invalid response, info: "SSL The exact steps in an SSL handshake vary depending on the version of SSL the client and server decide to use, but the general process is outlined below. Disabling CCS on the same site binding and selecting the same certificate manually all works fine. 25-1ppa1~xenial on Ubuntu 16. However, I still get tons of “SSL handshake failures” in my log. No luck. g. It had to do with TLS Extended Master Secret and the BIG-IP was failing to decrypt the handshake. Fro That’s what I figured, but I thought I mention it anyway. And then, obviously, you have to I’m using self signed certificate. Hot Network Questions What circuit breaker compatible with panel Can I split the rendering in external displays between the GPU and CPU? Interval Placement VBE multiplier with BJTs? Is it accepted practice to drill holes in metal studs If someone falsely claims to have a Ph. But Socket is not connecting from client. Help! 2: 54: November 26, 2024 I Hi, I’m using HA-Proxy version 1. 04 logs, but is Hi, I trying to setup a HTTPS frontend with ACL to HTTPS backends for Ubuntu and RHEL private repositories at our company. 0 setting up haproxy to listen to ssl. but it looks like there is a problem on the HAproxy side. After adding TLS Web Server Authentication to certificate in haproxy's frontend section and TLS Web Client Authentication to certificate in haproxy's backend section Original Poster reported success. I am working on a setup where there are two HAProxies behind an AWS Network load balancer. Everything is working fine, but for a specific client device. 8), I’ve got a lot of “SSL handshake failure” from the same address every 5 seconds. 1:55354 [04/Dec/2020:16:14:14. 0 sessions active, 0 requeued, 0 remaining i HAProxy community SSL Handshake issue. Below my cfg global log 127. I am using HAproxy to terminate TLS (and later also load balance) RabbitMQ (MQTT). ssl. Server jboss-fe-bus/nodo1 is DOWN, reason: Layer6 invalid response, info: “SSL handshake failure”, check duration: 27ms. But with ‘ssl verify none’ option with mode tcp, I cannot access backend server with https protocol. Use http-reuse and make sure to also configure pool-settings. 2默认的ssl-min-ver是TLSv1. com use_backend test1_back if host_test1 use Stack Overflow for Teams Where developers & technologists share private knowledge with coworkers; Advertising & Talent Reach devs & technologists worldwide about your product, service or employer brand; OverflowAI GenAI features for Teams; OverflowAPI Train & fine-tune LLMs; Labs The future of collective knowledge sharing; About the company SSL alert number 40 really just means handshake failure, which is not very informative. 20 with an 2048 bit certificate from Let’s encrypt. pid maxconn 4000 user haproxy group haproxy daemon tune. on the jacket of a book and they profit from that claim, Sorry to bump this thread, just wanted to share the resolution / fix that needs to be applied on nginx to get it to work with HAProxy: set_real_ip_from 10. z. xyz:443 check Now I would like to use SNI to have option to route ssl 关于/1 in frontend_name/1: SSL handshake failure. D. 241. To debug the problem I run sniffer, it shows Alert Message as “Unknown CA (48)”. So the SSL handshake failure you're getting stems from the fact HAproxy is unable to authenticate the cert of web02 using the given ca-file cert. Hot Network Questions Intuition for convexity adjustment for year on year inflation swaps Who is the "Sea-queen" mentioned in "Oedipus", and why is she referenced? Translating Russian "не то, не то" into English To which extent I should let my PI know that I am not feeling very well with my PhD study The usage of Select for list Hi, We recently introduced a subordinate CA into our haproxy setup (previously we were using a self signed CA to sign the haproxy and client certs) For some reason we are seeing “SSL client CA chain cannot be verified” on the haproxy logs when testing with s_client. default-dh-param 2048 ssl-server-verify required ssl-default-bind-options no-sslv3 no-tlsv10 no-tlsv11 no-tls-tickets ssl-default haproxy log: rdpbroker/1: SSL handshake failure; When I use “openssl s_client” or curl to connect to pool{n}. 0 active and 0 backup servers left. Any thoughts are much appreciated. After upgrading from 1. Question: I would like to know if there's something wrong with my configuration, or 1% failure rate is Haproxy ssl redirect handshake failure. ssl_sni len 25 > tcp-request content accept if { req_ssl_hello_type a single openssl s_client gives a ssl handshake failure (no certificates blabla). Reasons for HAProxy backend SSL handshake failure. HTTPS request to HAproxy to http and then encrypt it again to forward request to ssl server. ### Steps to Reproduce the Behavior 1. frontend wildcard_tcp bind *:443 option tcplog mode tcp tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type 1 } acl is_wilddomain req_ssl_sni -m end wilddomain. 8 version Tour Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company, and our products You signed in with another tab or window. 229:54666 [25/Jun/2023:22:28:46. Help! 0: 459: February 22, 2021 Haproxy 3. Client-side encryption; OCSP stapling; Server-side HAProxy backend/server to specific destination using SSL and SNI returns "OpenSSL error[0x14094410] ssl3_read_bytes: sslv3 alert handshake failure" Load 7 more related questions Show fewer related questions I have set up a HAProxy-instance that should: offload SSL on the frontend onload SSL on the backend use SNI for the connections and the healthchecks towards the upstreams For this demonstration I . We have ONE client that is having issues accessing the system, they are getting an SSL handshake failure, and they are using java as a client (I’m verifying the version). The result is TLSv1. Unfortunately we can't change error log format. When it comes to that limit, I see rate of new requests lowers down to 2-5 Haproxy log become mostly filled with tls/1: SSL handshake failure errors. ### Expected Behavior Return SNI value. Dark. There are a few ways to check and see whether a site requires SNI. A frontend http_in bind *:80 bind *:443 ssl crt /etc/ssl/certsforhaproxy/test1. 30. So openssl and the cert are not generally broken. Haproxy ssl redirect handshake failure. Can anyone explain the reason for the e https/v4: SSL handshake failure my haproxy version: 2. 6 to 2. jazzl0ver: Wondering why it shows “running on openssl there is any way to fine tune the haproxy backend server ssl handshake. 18-6. On the client side we see: 140691807639456:error:14094418:SSL routines:SSL3_READ_BYTES:tlsv1 HAProxy SSL Termination - Client certificate Extended Key usage extension validation. SSL handshake failed (5). In our logs we Hello Guys, We are running a website and have 3 servers behind Haproxy. 7 (I think) to this new version (1. 6 - Hello community! I am trying to setup HAP as a Load Balancer to our backends which are running HAP as a reverse proxy (I try to use one tool instead of two, i. 2 HAproxy SSL handshake failure. 0013 (0. 8 in docker (default image, haproxy -vv below) on both servers. 121; real_ip_header proxy_protocol; real_ip_recursive on; Detailed description of the problem. The client says hello. 429] https_frontend_test/1: SSL handshake failure Jan 4 14:33:41 haproxy[60533]: *IP*:61443 [04/Jan/2024:14:33:41. I ha HAProxy `SSL handshake failure` when proxing request from another server. 3) still facing SSL handshake failure; Cipher Suite Mismatch Tested with the existing working Cipher suite Hi all, I’m trying to setup HaProxy as a load balancer for squid proxies and it’s working fine with http, but I can’t make it work with https. I’ve a haproxy setup with tcp mode ssl configuration [ to offload ssl sockets traffic]. However, when I enable the TLS I get fe_mqtt/1: SSL handshake failure. If I HAProxy by default allows to reuse the same port number across the same or other frontend/listen sections and also across other haproxy process. 04. use error-log-format with ssl_fc_sni (as per the documentation) 2. In haproxy logs I can see errors: “ssl handshake failure” How I can resolve this and simply proxy Websockets on HTTPS from the root. Related topics Topic Replies Views Activity; Haproxy update from 1. x versions. What I am trying to achieve is emulate the grpc_ssl_certificate and grpc_ssl_key directives from nginx in haproxy, so basically I am trying to make the client part of HAProxy authenticate against my backend, allowing other internal services to communicate #----- # Global settings #----- global log 127. HAproxy SSL Haproxy w/ssl 'SSL handshake failure' Help! 3: 6663: February 10, 2023 SSL termination does not work correctly (v2. 6 and trying to setup some sites with SSL on the IIS web-server behind the HAProxy. acme client says everything is ok and renewing certs was also successful. The two lines that you have addded ensure that HAProxy has enough time to read the SNI header before chooisng a backend, and also checking it is actually SSL traffic (else rejecting it). System. Another weird I tried to use a self-signed certficate or commercial cert for LB, but when i restart haproxy i have errors in logs: localhost haproxy[95255]: Server as_wso2_com/node1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure", check duration: 10ms. Help! ruzzetto May 22, 2018 Haproxy 3. Reload to refresh your session. I assume there entire heartbeat detection is broken after all the changes since 2014, and this is now a false positive. nginx). I am running HAP 2. 100. [WARNING] (5477) : Server cso-cs Trying to add specific routing depending on SSH destination fails. 0. There are probably thirty or forty IP addresses (mostly IPv6 addresses) trying and failing endlessly. HAProxy `SSL handshake failure` when proxing request from another server. xxx:443: SSL handshake failure ". Do you have any additional logs from your backend server? Could it be that it just needs SNI or perhaps there is a ciphers mismatch?. HTTPS request to HAproxy to http and then Removed h2 alpn in haproxy. This certificate should contain both the public certificate and the private key. 2 (0x0303) Length: 77 Handshake Protocol: Certificate Handshake Type: Certificate (11) Length: 3 Certificates Length: 0 Handshake Protocol: Client Key Exchange Handshake Type: Client Key Exchange (16) I came a bit further by adding the following to the above config, but this produces “load-balancer/2: SSL handshake failure” in the HAProxy logs. Hi @owan! Yes, it is possible. haproxy[12734]: Server https_backend/s1 is DOWN, reason: Layer6 invalid response, info: "SSL handshake failure (Connection reset by peer)", check duration: 1ms. 1 200 instead of HTTP/1. zzz. SSL labs has confirmed that the certificate is OK (full certificate chain). 2 As a consequence haproxy logged SSL handshake failure without any more details, as is its habit. 2 Haproxy 1. Load 7 more related questions Show fewer related questions Sorted by: Reset to default Know someone who can answer? Haproxy's documentation says the ssl and the verify server option enable verify on backend server's certificate via one ca-file but I try to use Firefox export the backend server's CA file then use the exported CA file to verify backend server and I get the 503 Service Unavailable prompt. cer, and ssl_certificate. 1 disabled TLSv1. One option is to use Qualys’ SSL Server Test, which we discussed in the previous section. I know I could use mode tcp for tls forwarding on the load balancer but I need to use cookies for sticky sessions. HAProxy config tutorials; Core concepts. The extended master secret changes the way pre-master secret is generated for TLS sessions and I suspect BIG-IP fails to detect its presence and calculates the pre-master secret as if extended master secret is not in place, Hello, we are adding Haproxy between Routes and app pods to Inbound connectivity from the F5 . Hello, I have a HAProxy instance that should serve as a proxy to Here. I wanted to keep both setups working while I transition so I made a new public server But I would recommend to terminate the SSL before or on haproxy, you can do that with haproxy 1. I mis the haproxy version you’re running, iirc they disabled older tls versions/ciphers recently which might be biting you. I investigated the HAProxy settings for front- and backends, I checked response headers and tried to debug the ssl handshake, but I couldn't find a similarity of problematic or difference between working and problematic webserver/backends. 42. However the log files are getting flooded with the following messages. 10. Input your site’s domain name, and then click on the I’m afraid we need to dig deeper. 176] keystone_admin/1: SSL handshake failure Jan 22 06:53:15 controller-01 haproxy[11]: 192. So accept-proxy belongs on a bind line that recieves traffic from another haproxy instance configured on the backend with send-proxy. pid maxconn 4000 user haproxy group haproxy stats socket /var/lib/haproxy/stats #----- # common defaults that all the 'listen' and 'backend' sections will # use if not designated in their block #----- defaults mode tcp log global option tcplog option Detailed Description of the Problem Recently started noticing a lot of ssl handshake failures in the log files. You can use SSL/TLS end to end, and have your client authenticate the backend. Means we fixed the issue. But the server expects a valid client certificate and thus report a failed handshake within an SSL alert back to the client. I’ve been trying to configure HAProxy to balance sadly old IIS sites using CCS (Centralized Certificate Store) feature without success. pem ca-file /tmp/ca. Hello I have a setup with HAProxy Client side certificate verification required. Access to those two backend servers works fine: However the health check on HaProxy fails with a Layer 6 issue. 0 HA Proxy - Failure to make ssl_fc_sni apply to SSL connections. 5dev19). default-dh-param 2028 Hi Everyone, Currently my HAProxy Server is running in tcp mode. Looking at the network level, almost all of them fails with this message: Bad Record MAC. I’ve been reluctant to change the SSL settings from standard to not risk angering the SSLLabs and other security metrics. 0 sessions active, 0 requeued, 0 remaining in I’m currently trying to set up haproxy to redirect requests to our local nexus repository. 2. com:3389, the ssl connection can be established. We have implemented HAProxy as replacement loadbalancer for AWS Just recently I was tasked to have haproxy listen for https connections After enabling the proxy-protocol between the loadbalancer and reverse-proxy ssl/1: SSL handshake failure. lukastribus December 29, 2021, 4:07pm 2. Somehow all the other posts don’t specifically solve my issue so Hi all, I have two backend servers that are running on Port 443 SSL via IIS using the CCS (Centralized Certification Server) module. 55. Encrypt traffic using SSL/TLS. TLS handshake fail. log # log 127. bind *:443 > mode tcp > > tcp-request inspect-delay 5s > tcp-request content capture req. Help! lukastribus July 31, 2019, 12:09pm 24. Hello, I have two servers with HAProxy, let’s call them “Passthrough” and “App”. peer closed connection in SSL handshake while SSL handshaking to upstream. 2 disabled TLSv1. You switched accounts on another tab or window. There are many reason for an SSL handshake failure to occur in HAProxy: Invalid SSL certificate: The SSL handshake will fail if the SSL certificate supplied by the backend server is invalid, expired, or not issued by a trustworthy Certificate Authority (CA). mydomain. y. 1 requests. Add a comment | Your Answer TLS handshake fail. 0 SSL handshake failure. Is it correct behavier? This config is not work as https frontend, only http In my logs, I have tens of thousands of lines such as this one: Nov 8 23:33:00 server-1 haproxy[30937]: 96. 40. 8 on Ubuntu 18 in production and we plan to upgrade to version 2. 0 TLS handshake fail. 15:34834 [22/Jan/2018:06:53:15. Jan 22 06:53:15 controller-01 haproxy[11]: 192. What is layer 6? The below tests are in a backend with mode tcp. 7 LTS We are seeing a large amount of “Connection closed during SSL handshake” messages logged - 25% of messages logged. From time to time we get the following messages in HAProxy log (source IP is hidden): Jul 12 15:43:36 hap-01 haproxy[26141]: x. When doing so I get TLS errors on the browsers (NET::ERR_CERT_INVALID) and when doing apt update I get : gnutls_handshake() failed: The TLS connection was non-properly terminated. 312] HTTP/3: SSL handshake failure Lines such as these are created around thirty times per second. This may be due to unsupported SSL/TLS versions or cipher suites, expired, invalid, or missing SSL certificates, or other causes. I’ve concatenated Private key + FullChain key into a file for those which I’ve create with Cloudflare bot, and I’ve concatenated Private key + Public key + CA root key for those which I’ve created on the Cloudflare origin certificate page. This can occur if the SSL certificate has been revoked, A line like the following can be added to # /etc/sysconfig/syslog # # local2. crt -key . 319] main/2: SSL handshake failure Nov 18 12:37:05 mail haproxy[126258]: xx. How rest api is called over haproxy with ssl. cer. Jan 4 14:33:35 haproxy[60533]: *IP*:55752 [04/Jan/2024:14:33:35. The decryption endpoint is the HA proxy instances. Firefox browser version - 49. ssl_sni len 100 Note tcp-request content capture req. 15:41891 [22/Jan/2018:06:53:15. com } backend You signed in with another tab or window. Once traffic is decrypted it can be inspected and modified by HAProxy, such as to alter HTTP headers, route based on I’m running haproxy 1. I can see the backend is responding without a reason phrase (HTTP/1. When I disable TLS it all works great. HAProxy community Proxy protocol causes SSL handshake failure. Our test server forces TLSv1. Learn how to troubleshoot and fix HAProxy SSL handshake failures with this comprehensive guide. 1 200 OK), but the reason phrase is optional as per the RFC (though the space after the status code is not); so this is not enough to be able to conclude what happens here. HAProxy 1. pem certificate working in my HAProxy configuration. 168. 734] authentication_service/1: SSL handshake failure. On this page. XXXXX:36909 [16/Dec/2015:17:23:07. 我在文档中找不到它，但通过实验，我发现它是前端端口的数目，尝试连接的端口数，SSL握手失败。 因为haproxy 2. This is a different message. Currently haproxy receiving traffic but its not able to talk to service . 1% of traffic to the new haproxy machine, however there are no SSL handshake failures on the old haproxy version. My config is below frontend https-frontend bind 192. com:8081" as navigation proxy | (https) | V HaProxy : Frontend is configured to receive https request on port 8081 Backend configured forward to For others that stumble upon this, I can add that I had luck using tshark to monitor the traffic on the interface when I had TLS errors that were not really clear in the haproxy logs. HTTPS request to HAproxy to http and then encrypt it again to forward request To re-iterate, serv1 on its own or together with serv2 works fine. 202:8080 ssl crt /tmp/crt. Running HA-Proxy version 2. 0013) C>S TCP FIN 1 0. Haproxy with SSL doesn't works. Flow: We are using a Load balancer to distribute the traffic between the servers; Server Proxy request has been handled by the HAProxy; HAProxy is taking care of proxying the request to the backend server; HAPROXY Configuration: Hello, When haproxy logs the error, “SSL handshake failure”, I would like to add that client ip address to a stick-table. 6 - Backend ssl handshake failure. 8) Help! 3: 1676: November 13, 2019 Tons of "ssl_termination/1: SSL handshake failure" Help! 6: 1375: September 20, 2019 Trying to install SSL Cert for use with HAPROXY. Secure Sockets Layer TLSv1. URL redirection and I am having a problem getting my . Both aplications run on the same machine and I have been able to make it work over http with the following config: global log 127. As far http1. I tested HProxy SSL Passthrough with simple configuration using listen directive Here is working sample: listen my_listener bind *:443 mode tcp option tcplog balance leastconn option ssl-hello-chk server app lb-test. I’m using HA-Proxy version 1. 0,TLS 1. The certificate I am using was issued by let's encrypt. It looks like it’s not following any of the rules and just defaulting to the default backend. HTTPS request to HAproxy to http and then encrypt it again to forward I mean the OS of the client, where IE8 runs. . 8. Compared to most, this system is not very busy, but has lots of many hours long connections vs millions on single transactions. Your actual backend TLS gets configured on the backend server itself <IP-address>:8443 of web02. com/roelvandepaarWith tha HAproxy SSL handshake failure. Overview; ACLs; Backends; Converters; Defaults; Fetch methods HAProxy config tutorials. 2 Record Layer: Handshake Protocol: Multiple Handshake Messages Content Type: Handshake (22) Version: TLS 1. backend office balance roundrobin server backbone-daily 10. This guide covers everything you need to know, from identifying the problem to implementing the solution. Mismatches in supported protocols or cipher suites can cause the handshake to fail. The configuration for the backend is as follows: Detailed Description of the Problem I am not 100% whether this is due to misconfiguration or if I hit a bug here. ssl_sni len 100, my intent is to log the SNI value in Secure Sockets Layer TLSv1. I’m assuming that layer 6 means TCP but am not familiar with TCP being at layer 6. New, (NONE), Cipher is (NONE) Secure Renegotiation IS NOT supported Compression: NONE Expansion: NONE Ultimately it was HAproxy SSL handshake failure. What am I doing wrong in this process? It works when I try with a received a test certificate including a private key from the service (self signed certificate). curl: (60) SSL certificate : unable to get local issuer certificate - ubuntu. Nov 18 12:47:14 mail haproxy[126258]: [WARNING] (126258) : Proxy letsencrypt-backend stopped (cumulated Facing SSL handshake failure with the the below HAProxy configuration and Outage in our production environment. Step 4: Test Backend Configuration (for Reverse Proxies like HAProxy) If HAProxy forwards SSL connections to a check port 80 check-ssl - reason: Layer6 invalid response, info: “SSL handshake failure” Just like in a Browser, when you connect HTTPS to port 80, the handshake will fail, because Google and everybody else is not terminating SSL on port 80. 584] keystone_admin/1: SSL handshake failure Jan 22 06:54:13 controller-01 haproxy[11]: However, if the server isn’t SNI-enabled, that can result in an SSL handshake failure, because the server may not know which certificate to present. 0. bar. 0 setting up ssl on haproxy. , nginx in front of haproxy. Failing with below errors even though ca/svc crts are added in the pem: fd[0x65] OpenSSL error[0x14094418] ssl3_read_bytes: tlsv1 alert unknown ca <134>Jul 23 13:48:41 haproxy[48]: In our controllers we see the SSL handshake failure. I also don’t see any logs at INFO level or in debug (-d) mode showing the health check requests to confirm. 11. HAProxy backend server returns "SSL handshake error" 0. 2 (0x0303) Length: 77 Handshake Protocol: Certificate Handshake Type: Certificate (11) Length: 3 Certificates Length: 0 Handshake Protocol: Client Key Exchange Handshake Type: Client Key Exchange (16) You signed in with another tab or window. When I try to use the PROXY protocol and add the send-proxy and expect-proxy, I get SSL Handshake failures. However, as Hi everybody, I’m using Haproxy to offload SSL so that I can connect using HTTPS to a service (running in my backend) which is HTTP only. Can get error on randome websites 1 The logs sadly don't seem to tell me much more than " Frontend/xxx. im getting this kind of error in logs: Mar 21 18:46:00 nt-cloud Problem: Around 1% of the requests are "SSL handshake failure". Is the health checking endpoint also available without SSL, on a I've got 3 Postgresql nodes, one Etcd container, and a HAproxy loadbalancer. It seems ssh v2 waits for the server before talking, How to overcome and correct the SSL handshake failure with the above Hello Guys, I have tried so many different things from different available solutions but for some reason backend failed to show up as available. 0 active So I can’t tell if this is an HAProxy or a cloudflare one, but could use some guidance. The only information related to haproxy and openssl that I could find is this thread: Hi, if you want the association between handshake failure and ip source, you must check the log. We are getting following log entries 39. 5 or you can install, F. HAProxy backend server returns "SSL handshake error" 3. This configuration is wrong for multiple reasons, SSL specific settings like ciphers or TLS versions are not your problem. I’m receiving TLS Handshake errors logs on my backend server even if there are no API calls to the backend server. Would anyone be able to help me? Haproxy ssl redirect handshake failure. 9, but the same thing happens on 1. I’m trying to setup something like this: Client : Uses "https://proxy. serverfault. However the following backend configuration fails with messages 'SSL handshake failure backen We are using HAProxy 1. 0 sessions active, 0 requeued, 0 remaining in queue. Fetch request to backend within same domain fails net::ERR_CERT_AUTHORITY_INVALID. ssl_sni -i www. 0001) S>C TCP FIN So to me it looks Hello! Trying to set up a HAPROXY in cloud to forward requsts via IPSec tunnel to office network. sock mode 666 level admin stats timeout 2m ssl-server-verify none tune. 294] www-https/1: SSL handshake failure Dear All, I’m absolutely not an expert in haproxy and ssl/tls and I’m stucked in a problem. el7 plus openssl 1. These messages are from the /stats page. ) SSL/TLS Handshake Failure. 4 on Ubuntu 22. 208] https_frontend_test/1: SSL handshake failure Jan 4 14:33:41 haproxy[60533]: *IP*:61442 [04/Jan/2024:14:33:41. demo. com acs host_test2 hdr_beg(host) test2. They are not coming from any specific source. When I do HTTP frontend and ACL to HTTPS Having rare ERR_SSL_PROTOCOL_ERROR error in browser while using own proxy with haproxy routing all on the server in one port. I ran tshark to capture traffic. fkfejhh yak xwi xxoif yfvrw mlf uvoiudx sbzpz lsdjz pmh