Pfsense haproxy ssl handshake failure Again thanks a lot! Added alias for pfsense in advanced settings for pfsense. 4 haproxy Server XXXXX is DOWN, reason: Layer4 timeout. Stack Exchange Network. Question 1: If I'm reading this right, your guide tells HAproxy plugin on the PFsense router to pass-through the whole request of "https://YOURJFDOMAIN. But Socket is not connecting from client. example. 0:443: SSL handshake failure Jan 28, 2019 · Hello All, I fight with this problem for some time now but unable to figure it out. 102:443 check On the other hand I Jun 3, 2020 · Hovering over the "L6RSP in 6ms" yields "Layer6 invalid response: SSL handshake failure" for each backend. 0. 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. 7. Oct 18, 2019 · global chroot /var/lib/haproxy pidfile /var/run/haproxy. xxx:443 check inter 2000 rise 2 fall 5 Aug 1, 2024 · Role of SSL/TLS in HAProxy. However, I have a 10g internet connection that wants to be used, run several servers, and like to learn new things. Either add certificates and offloading to the haproxy frontend, or use ssl/tcp mode and use SNI for the webserver selection. This issue happened to us a few times already on both 1. Today one of our HAProxy 1. 0 > Accept: */* > . It's a logical mapping internal to the haproxy process. Provide details and share your research! But avoid …. I'm not doing it for Exchange tho. 0 we have fixed some logging bugs, so that those handshake failure actually make it to the syslog. 222. Verify, that the status for your backend is Up in haproxy. Locate the haproxy package, click on the Install button and wait for the installation to complete. It is new to me and if I get something wrong I'd appreciate being corrected. It is impossible to replace any part of the TLS handshake, including SNI. 6 and trying to setup some sites with SSL on the IIS web-server behind the HAProxy. HTTP/1. Mar 21, 2023 · Hi, I used the search before opening this thread and realized that there are several similar threads, but no one with a solution … First of all, I am a tech enthusiast with a home lab and don’t manage a data center. I hovered over server name affiliated with each failed backend, and the server:port were correct for each. com and a self signed certificate authority. on the backend add all the server that will do balance under "server list", set a Weight (10 / 20 /30 etc etc) and select round robin under load balancing. NOTE Sep 8, 2023 · The case is exactly an SSL Handshake Failure case because of HAProxy docker image is not QUIC enabled and the backend is behind Cloudflare which it supports by default QUIC. For config: frontend frontend_name bind *:443,*:444 ssl crt <path_to_cert> bind *:445 ssl crt <path_to_cert> no-tlsv13 Feb 9, 2023 · I’m not sure it’s possible to use HAProxy as a forward proxy. For troubleshooting there are 2 parts are helpful, depending on the issue: Stats page. Is it correct behavier? This config is not work as https frontend, only http Jun 15, 2019 · When HAProxy negotiates the connection with the server, it will verify whether it trusts that server’s SSL certificate. 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)’. One in http mode for sites which are terminating SSL at HAProxy. 1 terminates SSL connections and does clear text with the backend servers. Jul 6, 2022 · Troubleshooting the HAProxy Package. On a separate note, when a certificate authority is affiliated to another certificate loaded in pfSense, the display is appropriate : "CA: Intermediate CA (CA: ROOT CA)" Oct 20, 2017 · Hello everyone! I currently use HAproxy to serve the content of 2 web servers. 11 and 1. Install it as you did LetsEncrypt (Acme): Now go to “Services”, “HAProxy” and go to the “Settings” tab. I'm guessing it's ACME because the port forward test worked when bypassing HAProxy. BUT when I add new domain to haproxy Frontend like core. com as an additional certificate. Nov 8, 2018 · Nov 8 12:11:03 haproxy haproxy[17124]: Server HA_Sistemas-45-14_80-www_ipvANY/site is DOWN, reason: Layer7 timeout, check duration: 1002ms. By default HAproxy would not include host header on the request, so you need to added manually, otherwise nginx will return 400 as default and HAproxy will mark it as unhealthy. TLS Termination: Simplifies SSL/TLS management by offloading encryption to HAProxy. No. Sep 30, 2021 · I cannot reach my services (nextcloud + homeassistant) and shows that the cert is expired. Thank you very much for your help, now it's clear what happens, but still I have something unclear. I'm working on HaProxy 1. Feb 23, 2022 · Hello, Here we use. HAProxy `SSL handshake failure` when proxing request from another server. Error: Offline - SSLHandshakeException: Remote host closed connection during handshake, SSL peer shut down incorrectly I have pfsense with haproxy with SNI se May 14, 2024 · 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. HAProxy matches hostname pfsense. May 12, 2023 · I am trying to setup my docker compose node. 100:443 mode tcp default_backend ADFSBackend backend ADFSBackend mode tcp balance roundrobin server 450adfs01 10. My issue is following: MacOS outlook clients are constantly requesting password to connect and RPC over HTTP is not working in my configuration. com and https://example2. May 2, 2023 · 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. 3) still facing SSL handshake failure; Cipher Suite Mismatch Tested with the existing working Cipher suite May 5, 2020 · We have a firewall with a HAProxy (pfSense) and multiple webservers. Setup your HAProxy Front end with SSL Offloading turned on. 0 active and 0 backup servers left. In the HAProxy package if I set the option "Allows clients without a certificate to connect. Works beautifully. com cert as the certificate and xtwo. ” people will connect to haproxy and use the cert from ACME/haproxy but haproxy will speak to the web server with the self signed cert. crt verify optional crt-ignore-err all acl ssl_connection ssl_fc acl path_owa path_beg -i /owa/ http-request deny if path_check http-request redirect scheme https code 301 if !{ ssl_fc } use_backend bk_exchange_https_owa if path_owa default_backend Aug 11, 2021 · 需要帮助!我有一个https请求,需要拦截它,读取值,并将相同的ssl请求转发到目的地。我带着所有必需的crt,key,CA。我知道Haproxy ACL不适用于L4层,但我试图找到一个解决办法来解密消息、读取消息、对其进行一次加密和转发。读取消息的原因是为了使用ACL,我需要读取各种请求中的路径差异,并 Apr 2, 2016 · Fails with: error:14094410:SSL routines:SSL3_READ_BYTES:sslv3 alert handshake failure. Dec 8, 2024 · @kevdog no clue to how/why you would think such a setup would work - dns is not done in any sort of order - you cant say check this dns server first, etc. I decided to add Cloudflare proxy in front of my server. devph. ssl_fc_has_crt : boolean Returns true if a client certificate is present in an incoming connection over SSL/TLS transport layer. The documentation for http redirection in ALOHA HAProxy 7. ssl_sni len 100, my intent is to log the SNI value in access logs, so somehow transmit this Jan 27, 2021 · 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. Turns out I'm getting a layer6 ssl handshake failure so now I need to determine if it's on the ACME side on pfSense or the backend server itself. 203. I changed domain and server names to obscure. 10. default-dh-param 2048 ssl-server-verify required ssl-default-bind-options no-sslv3 no-tlsv10 no-tlsv11 no-tls Sep 14, 2021 · OPNsense Forum English Forums Tutorials and FAQs Tutorial 2024/06: HAProxy + Let's Encrypt Wildcard Certificates + 100% A+ Rating May 9, 2018 · Why mode http in the default section? Use something like this: global maxconn 4096 user HRIS_HAProxy group HRIS_HAProxy daemon defaults mode tcp log 127. ssl_sni len 100 Note tcp-request content capture req. 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. Therefore you have to use the option ssl_dhparam and must create a file with openssl. 10:443 mode tcp tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type 1 } default_backend bk_ssl_default # Using SNI to take routing decision backend bk_ssl_default mode tcp Jan 18, 2024 · I have already confirmed that this ACL rule works to extract SNI from raw TCP packets. Excerpt HAProxy config (domain/ip replaced) Dec 26, 2023 · Q: What is a HAProxy SSL handshake failure? A: A HAProxy SSL handshake failure occurs when the client and server cannot establish a secure connection. Can you please add one more option for this in the GUI? Jan 8, 2021 · Now we move onto HAProxy. 不幸的是,我们不能更改错误日志格式。 要了解更多信息,我们必须使连接 Apr 2, 2018 · frontend web3_ssl_frontend bind <ipv4>:443 bind <ipv6>:443 mode tcp default_backend web3_ssl_backend backend web3_ssl_backend balance roundrobin mode tcp cookie SERVERID insert indirect nocache default-server inter 4s rise 3 fall 2 fullconn 20000 reqadd X-Forwarded-Proto:\ https if { ssl_fc } option ssl-hello-chk server web1 192. XXXXXX:443 ssl check verify none May 7, 2025 · As a consequence haproxy logged SSL handshake failure without any more details, as is its habit. com" to the JF server, and the JF server handles everything for the TLS handshake? Dec 20, 2017 · In the HAProxy package if I set the option "Allows clients without a certificate to connect. Built-in support on pfSense: Available as a package for easy installation and integration. ssl. Edit: Not sure if you can use HAProxy with SSL as a forward proxy. stage. com --> pfSense --> haProxy --> virtual machine (ssl handshake + load website) https://two. You should consider using a crt-list, as it allows you to specify different options per certificate. 2 of the servers are working great with the haproxy setup. Relying on a number of different HOWTO and blog articles, I If the number of consecutive failed checks meets the failure threshold, the server is taken out of rotation. 99:36908 [24/Feb/2020:10:43:11. 3 using “ssl-default-bind-options force-tlsv13” . 12. The configuration for the backend is as follows: Mar 25, 2022 · Dear All, I’m absolutely not an expert in haproxy and ssl/tls and I’m stucked in a problem. This does NOT work however -> pfsense-02/haproxy reports an SSL handshake issue. The fix was adding the following lines to ~/. 70. 163. xxx:443 mode tcp default_backend c-https backend c-https balance source mode tcp option ssl-hello-chk server c-web-01 192. After haproxy succesfully installs, click on Services --> HAProxy --> Backend; Add SoftEther Jan 24, 2025 · I’m using HAProxy in pfSense on a Netgate device. Jan 26, 2023 · Feb 8 13:42:21 hap-reverse01 haproxy[60052]: 1. I use the following configuration in the backend: backend be_intranet mode http server myserver 10. The most valuable information here is SC---- this field is called session state at disconnection and the value of the information provided here is difficult to overstate. You can not redirect dot or doh - not from a sane client, because the client should validate that its talking to the device it was told to talk to that validates via the cert be it the fqdn or the Ip in the cert. When I test using my PC, there are no errors, however it fails when my customers' devices try to communicate. pem verify optional crt-ignore Oct 2, 2021 · HAProxy on pfSense accepts inbound ssh connections on 443 and performs SSL decryption, then forwards http to docker machine on 8096 The text was updated successfully, but these errors were encountered: In the HAProxy package if I set the option "Allows clients without a certificate to connect. Apr 23, 2015 · 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. Dec 17, 2012 · Load Balancing Exchange 2013 services hosted on multiple hostnames ##### Default values for all entries till next defaults section defaults option dontlognull # Do not log connections with no requests option redispatch # Try another server in case of connection failure option contstats # Enable continuous traffic statistics updates retries 3 # Try to connect up to 3 times in case of failure Since this file does not include the root CA, obviously it can't do a complete verification of the trust chain, which would result in a SSL handshake failure. But with ‘ssl verify none’ option with mode tcp, I cannot access backend server with https protocol. xyz:443 check Now I would like to use SNI to have option to route ssl traffic to multiple Mar 5, 2015 · Haproxy ssl redirect handshake failure. 27:443 Running HAProxy on an OPNsense box and for the most part everything is happy. So we have two sites on https, let's say https://example1. H -SSL connection should be from outside the WAN to the haproxy frontend listening on the WAN IP address port 443. net by: created a CA with CN myCA on PFSense, created the CRL myCRL for this CA and created client certificates from newly generated CA. Health checks continue while the server is down, however. Encrypt traffic between the load balancer and clients. Your actual backend TLS gets configured on the backend server itself <IP-address>:8443 of web02. 11) Jul 4, 2017 · Hello all. Asking for help, clarification, or responding to other answers. If the server resumes service and responds successfully to the health checks, and if the number of consecutive successful responses meets the success threshold, the server is Jan 29, 2021 · The scenario is as follows. 3. ssl-default-server-options no-sslv3 ssl-min-ver TLSv1. icu and want it to be on wildcard SSL certificate Encrypt traffic using SSL/TLS. Example Below: HAproxy health check conf: option httpchk HEAD / HTTP/1. 101:443 check server 450adfs02 10. Aug 13, 2015 · I'll try to explain my issue. 960] https-in/1: SSL handshake failure May 9, 2022 · Hello, When haproxy logs the error, “SSL handshake failure”, I would like to add that client ip address to a stick-table. I am having this issue of ssl handshake failure between haproxy and backend server and can’t quite figure it out what is wrong with the configuration. domain. Log is full of: https/0. default-dh-param 2048 log stdout local0 info defaults mode tcp log global option httplog retries 3 timeout http-request 50s timeout queue 1m timeout connect 1m timeout client 1m timeout server 1m timeout http-keep-alive 50s May 17, 2020 · I recently setup a haproxy to route to multiple backends. You CAN use letsencrypt to set up a certificate for your servers to talk to each other over https internally, but can just use a self-signed cert that exprires in like 10 years rather than having to renew letsencrypt all the time since it's just internal anyway. In the PfSense Web GUI, click on System --> Package Manager --> Available Packages. extensions_server_name that has the sni Dec 2, 2024 · SSL/TLS Handshake Failure Mismatches in supported protocols or cipher suites can cause the handshake to fail. 1 local2 info chroot /var/lib/haproxy pidfile /var/run/haproxy. 04 LTS] HAProxy config entry: frontend wapp1 bind 10. 1,TLS 1. Under Cert Manager in pfsense on the CA tab it showed the expired certs and was counting my 3 active certs under that expired CA. 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-CHACHA20-POLY1305-SHA256:EECDH+AESGCM Oct 19, 2017 · 3. Haproxy logs on 1. I’ve configured it to host two domains - let’s call them xone. Oct 9, 2023 · Hello Guys, I have tried so many different things from different available solutions but for some reason backend failed to show up as available. 4. 0,TLS 1. Jul 13, 2018 · We changed HAProxy configuration so that maxconn is never reached (will provide config below). 5dev19). You want to use aliases, but also want to be able to set specific SSL options per certificate. Instead TLS need to be terminated (which means proper certificates etc are needed) and then a new TLS session has to be created with the expected SNI set. Can you please add one more option for this in the GUI? Kind Regards, bzg Oct 16, 2020 · I’m getting a number of these per day, one burst every 5-10 minutes. We converted to SSL Jun 21, 2019 · Can you provide the output of haproxy -vv of both your new and your old deployment? This could also depend on the OpenSSL version. May 31, 2021 · Tutorial 2024/06: HAProxy + Let's Encrypt Wildcard Certificates + 100% A+ Rating - Page 18 May 29, 2024 · Hello, we are running haproxy version 1. Apr 21, 2022 · I hope this helps you in finding your solution in implementing CORS in pfsense's HAproxy. com and www. js express application that uses redis postgres and nginx-proxy to manage certificates; I am using the test or staging version of letsencrypt currently on my subdomains and Feb 2, 2015 · The root cause is based on how HAproxy builds the HTTP request. 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. Client-side encryption. 5 to 2. js express application that uses redis postgres and nginx-proxy to manage certificates; I am using the test or staging version of letsencrypt currently on my subdomains and May 12, 2023 · I am trying to setup my docker compose node. XXXXXX:443 ssl check verify none Mar 21, 2024 · Basically the check will do a handshake and will close without sending more data, and the HAProxy frontend will see it as a handshake failure, but this is actually not true, this is a known issue and we are trying to find a solution, but usually only people chaining haproxy servers in TCP are affected, because option httpchk won't trigger the 10. 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…) in the HAProxy log of the reverse-proxy Feb 24, 2020 · 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. 2,TLS 1. Were you able to figure this out? I'm having issues getting SSL bridging working with Haproxy 2. It works perfectly well in HTTP, but as soon as I try to access one of this server in HTTPS, I directly encounter a 503 error… Here is the configuration of my frontend and backend https Thank for your help ! Jul 3, 2024 · Hi All, Firstly HI! im new here an i apoligise if this is in the wrong location… Been having some issues setting up HAProxy as a reverse proxy for my services. ikukuru. ssl_sni -i www. 0. PfSense 2. Is this certificate working correctly? What happens when you connect with your browser? -NO SSL connection from haproxy backend to emby IP+port. 747] secure-http-in/1: SSL handshake Dec 10, 2017 · SSH works fine, but the web requests fail. 1 200 OK Date: Mon, 01 Jan 2023 00:00:00 GMT Server: HAProxy Content-Length: 154 Content-Type: text/html { [154 bytes data . Ensure you select the the Cloudflare certifcate you imported before in the SSL Offloading section and tick both check boxes related to ACLs. Protocol Mismatch -Tested all the TLS version(TLS 1. com } backend app1 mode http balance roundrobin Oct 2, 2021 · I have HAProxy on pfSense accepting inbound ssh connections on 443 and doing SSL decryption, then forwarding http to the docker machine on 8096. 2:443 Aug 9, 2018 · I have haproxy 0. However after some complaints about missing visitors from our customers after switching to HAProxy, we investigated some logs and see a lot of SSL handshake failure errors: Sep 4 14:18:46 loadbalancer haproxy[21591]: 106. Make one change here. Go to the “Backend” tab. was an issue with me testing the auto renewal of certbot, the cert that was issued was a staging cert. There are intermittent SSL handshake failures after migrating 0. :54126 [08/Feb/2023:13:42:21. I was having the same problem with my pfsense > haproxy > letsencrypt CA > vaultwarden docker setup. In our logs we see thousands of SSL Sep 15, 2018 · Thanks for contributing an answer to Stack Overflow! Please be sure to answer the question. I’ve set up a frontend to handle HTTPS with the xone. ssh/config Mar 21, 2024 · Basically the check will do a handshake and will close without sending more data, and the HAProxy frontend will see it as a handshake failure, but this is actually not true, this is a known issue and we are trying to find a solution, but usually only people chaining haproxy servers in TCP are affected, because option httpchk won't trigger the 10. The current one (2. 30. If the server is using a certificate that was signed by a private certificate authority, you can either ignore the verification by adding verify none to the server line or you can store the CA certificate on the load balancer and reference it with the ca-file parameter. Port 443 serves everything and port 80 redirects to 443. Stats¶ If health checks have been configured on the servers, the backend will show what servers are up or down. In the backend configuration, make sure “SSL check” is set to “No. I’ve searched the internet and haven’t found a solution. 1 Reply Last There should be a field ssl. " then in the config will appears the "SSL verify optional", but I need "SSL verify none". Using CentOS 7, I opted to install the latest available RPM version from the IUS yum repository, which turned out to be HAProxy version 2. com:443 on 10. This can happen for a variety of reasons, such as: The client or server is using an incorrect or outdated SSL certificate. com:8081" as navigation proxy | (https) | V HaProxy : Frontend is configured to receive https request on port 8081 Backend configured forward to squid proxy sever via Dec 14, 2017 · Now, I'd like to include SSL Client certificate verification for this one backend www. Feb 4, 2019 · Greetings, I’m using Exchange 2016 DAG with two servers. 11_1 for PfSense; Install HAProxy in Pfsense. The strange thing is that I can make it work on Squid Proxy. 2 And result seems OK BUT we get a warning at startup : no-sslv3/no-tlsv1x are ignored for server 'my_server'. HAProxy is a high-performance, open-source load balancer and reverse proxy that facilitates the distribution of incoming traffic across multiple backend servers. com --> pfSense --> haProxy --> virtual machine (ssl handshake + load website) I would have thought haProxy could read the hostname of SSL traffic, without having to manage the SSL certificates via the pfSense ACME plugin? Sep 4, 2020 · And it prepares us better for the future where we will remove HAproxy from the setup. Feb 29, 2024 · hello my goal is when client connect https port but use http protocol haproxy redirect to https protocol it’s possible ? current client will get curl: (52) Empty reply from server and haproxy server log https/v4: SSL handshake failure my haproxy version: 2. This may be due to unsupported SSL/TLS versions or cipher suites, expired, invalid, or missing SSL certificates, or other causes. mydomain. pem ca-file /tmp/ca. Using Haproxy, the redirection is always thrown to HTTP and not to HTTPS in the backend, causing a bad request 400. 1 Equivalent HTTP request: Nov 5, 2012 · An equivalent syntax to the given answer would be like this: http-request redirect scheme https code 301 if !{ ssl_fc }. 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. And I can clearly see that the client and server have no shared cipher with RSA in the name. Haproxy will try to 'understand' the http request, while a ssl handshake is being performed. One in tcp mode for You want to set specific SSL options per certificate. It would make sense since this is the only client device that is facing problems. Going back to the main issue, Cloudflare (with built-in SSL) cannot communicate with my HAProxy (which uses HTTP) due to mixed content—HTTPS to HTTP. For example, a successful response might look something like this: * Trying your_server_ip * TCP_NODELAY set * Connected to your_server_ip (your_server_ip) port 443 (#0) > GET / HTTP/1. Dec 8, 2023 · The bug When I take a picture on my phone and wait 5 seconds, instead of finding that photo uploaded to Immich server, I found 3 "SSL handshake failure" logs on my reverse proxy. This results in no response. 2 as well. … Our test server forces TLSv1. I’m using HA-Proxy version 1. if 1 to 3 is successful done, verify that you are using the correct Certificate for your Frontend. Firefox browser version - 49. 4 on Ubuntu 22. The “solution(s)” Because we couldn’t use domain names to point to our Project Contour Loadbalancer and use static IP’s instead, we had to dive deep into HAProxy documentation to find a couple of solutions for the problems we encounter. Not sure if its applicable to your situation but in my googling I did run across some people using these header settings in their frontends that seem to be for MS products: Mar 6, 2018 · I want to configure HAProxy as a tcp pass-through with ssl proxy, but some settings don’t work. It was a configuration issue: the original guide may be for older haproxy release. 4. x. I’m trying to setup something like this: Client : Uses "https://proxy. pem ca-file /etc/ssl/certs/cert. Below is the content of haproxy. 1 and Haproxy 1. xxx. Recently I’ve installed pfSense with HAproxy module to ensure web reverse proxy. Compared to most, this system is not very busy, but has lots of many hours long connections vs millions on single transactions. domain1. Nov 8 12:11:03 haproxy haproxy[17124]: backend HA_Sistemas-45-14_80-www_ipvANY has no server available! frontend https-c-in bind 178. The result is TLSv1. 168. backend office balance roundrobin server backbone-daily 10. Apr 21, 2019 · Its not possible to handle SSL traffic without offloading with 'mode http'. Sep 22, 2016 · I am terminating SSL at the load balancer (HAProxy 1. I wanted to keep both setups working while I transition so I made a new public server on pretty 2053 with a default Nov 16, 2021 · 会导致frontend-name/bind_ssl_foo: SSL handshake failure。. but it looks like there is a problem on the HAproxy side. This service is using Caddy to provide HTTPS, ie. 0 sessions active, 0 requeued, 0 remaining in queue. 042] demo-fe/1: SSL handshake failure. 1 and proxies to 10. 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). Hot Network Questions How is it that in more than 40 verses (from Exodus 12:11 on) the LXX tanslates pesach with páskha, which sounds May 31, 2021 · OPNsense Forum English Forums Tutorials and FAQs Tutorial 2024/06: HAProxy + Let's Encrypt Wildcard Certificates + 100% A+ Rating Dec 21, 2016 · I’ve a haproxy setup with tcp mode ssl configuration [ to offload ssl sockets traffic]. the setup is Haproxy<->Caddy<->actual underlying service Nov 15, 2024 · I am just trying out simple haproxy configuration in http mode where i want https connection between client and haproxy as well as between haproxy and my backend server. If you can’t use haproxy logging, you can verify externally by capture the SSL handshake (tcpdump, etc all) and checking the field in wireshark, or with tools like ssldump. in haproxy I configured for the Frontend SSL offloading server the SSL Offloading - client certificates part Jan 30, 2019 · SSL handshake failure looks to be on the front-side of the proxy and is probably unrelated. Jul 9, 2024 · Hello, I’m trying to set up a reverse proxy for an application that is running on HTTPS and does not accept http, only https and it cannot be changed. The crt-list also supports several keywords from the crt-store load directive. Sep 4, 2018 · Hello, We have implemented HAProxy as replacement loadbalancer for AWS Application Loadbalancer. I’ve been reluctant to change the SSL settings from standard to not risk angering the SSLLabs and other security metrics. com and xtwo. Dec 26, 2023 · Q: What is a HAProxy SSL handshake failure? A: A HAProxy SSL handshake failure occurs when the client and server cannot establish a secure connection. 1 sessions active, 0 requeued, 0 remaining in queue. Useful if 'verify' statement is set to 'optional'. At the time I wanted to terminate all SSL at HAProxy. Jul 28, 2022 · @lex-under-3182 said in HAproxy SSL offloading complicated setup:. 07. 5. I’ve generated wildcard certs for both each of which covers . SSL is not checked in HAProxy for this backend and frontend. So this wont work. See full list on bobcares. 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. May 22, 2016 · I get a ssl handshake failure. . 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. 0 even mention that "the syntax of both directives is the same, that said, redirect is now considered as legacy and configurations should move to the http-request redirect form". I have a domain set up as api. This is my haproxy -vv Apr 13, 2012 · # Adjust the timeout to your needs defaults timeout client 30s timeout server 30s timeout connect 5s # Single VIP frontend ft_ssl_vip bind 10. However, I am unable to connect to 443. log # log 127. How can I do this? Kind Regards, bzg Feb 5, 2019 · frontend fe_exch_443 bind x. I think ‘ssl verify none’ option at listen directive is work when backend server uses self-signed certificate. If you're behind cloudflare, you don't need letsencrypt at all, cloudflare does all the encrypting for you on the public side. 11 ( Kubernetes Ingress 1. It seems I require two frontends. (HAProxy version 2. Finally I got the setup working. handshake. acme client says everything is ok and renewing certs was also successful. The problem I’m having: I have Haproxy running as frontend on my pfSense-box handling reverse proxying duties. There's three types of errors repeating: Connection closed during SSL handshake Timeout during SSL handshake SSL handshake failure (this one happens rarely) Oct 25, 2019 · I’ve been working on setting up HAProxy as a Layer 7 NLB for our Microsoft Exchange 2016 cluster to replace a DNS round-robin (for internal) + firewall random DNAT (external) configuration. com to 10. 1 local0 notice maxconn 2000 timeout connect 5000 timeout client 50000 timeout server 50000 frontend http_fe bind *:443 default_backend sharepoint backend sharepoint balance roundrobin option ssl-hello-chk server sharepointserver Mar 26, 2025 · My frontend is hosted on Cloudflare, and my backend is hosted on a private VPS with an assigned IPv4 address. com Dec 3, 2020 · Stack Exchange Network. 6. 58. Behind HA proxy there’s 6 web servers. Sep 20, 2016 · Actually you have used the option ssl_ecdh_curve to configure Diffie Hellman key exchange in Nginx but you have not provided a parameter file. The HAProxy frontend rules are defined with Server Name Indication TLS extension matches and the webservers are defined as backends (all very similar). 189:55618 [04/Sep/2018:14:18:36. Stats; Syslog; Troubleshooting the HAProxy Package¶ Troubleshooting steps for HAProxy package. What i aim to achieve is use Cloudflare network to access my services securely over the wan. 79. 8. HAProxy SSL Connection. 8 version May 5, 2024 · 1. Other services (Confluence, JIRA, keycloak, splunk) are happily using the pfsense-02/haproxy ldap frontend without problems. I’m standing up a new service which seems to really hate having SSL terminated upstream. Then click the “Save” button. 1:8443 backend. 54_2 on pfSense 2. I am running haproxy on my docker container. Solved that as well and now everything is as it should be. 1 > Host: your_server_ip > User-Agent: curl/7. (DO NOT USE the pfsense WebUI Certificate, neither a (root) CA certificate). Jan 15, 2015 · HAproxy SSL handshake failure. * /var/log/haproxy. 2, and I try to do some SSL configuration, but I fail, and fail, and fail. Since switching, I keep getting some SSL connection errors in the HAProxy log (5-10% of the total number of requests). However, I am trying to proxy Synology's Drive Client (think like Google Drive) and having some issues with the SSL Handshake Failures on the frontend. Ok, the cerficates should be fine then (it's possible to disable "ssl verify" but it shouldn't be needed in that case) have you enabled logging- I've found it to be more convenient to export pfsense syslog to a remote syslog server. It's needed to use a SSL-Webserver certificate, as issued from Let's encrypt. See also "ssl_fc_has_crt". pid maxconn 40000 user haproxy group haproxy daemon tune. Let's see some logs: Haproxy Logs Aug 13 17:00:28 Jun 12, 2023 · Detailed Description of the Problem After upgrading our servers to from 2. Now my issue is that on one of my shared front-ends, i have specific SNIs and back-ends that require client SSL certificates. 8 / apache 2. I suspect that the new front end that is doing the detection has done the SSL handshake already, so when it comes the web server, this fails as the browser does not expect a second SSL? Mar 4, 2019 · Hi I’m trying to get ADFS to work in HAProxy, and it works in simple TCP setup: defaults log global timeout connect 5000ms timeout client 50000ms timeout server 50000ms frontend ADFSFrontend bind 10. Jan 11, 2024 · My HAPROXY 2. 3, with a single/dynamic public/WAN IP address, to support a few servers running web (80/443) services on the LAN. Jun 11, 2014 · ssl/1: SSL handshake failure It seems ssh v2 waits for the server before talking, causing haproxy to mistake it for a ssl connection. 0 we've seen the overall volume of reported errors increase. The HAProxy logs shows a 'SSL handshake failure' when I try and access the server via a browser. Every webserver is configured with HTTPS. 2 and Jun 26, 2023 · HAProxy SSL Handshake failure on one server but not the other. 202:8080 ssl crt /tmp/crt. Jul 1, 2011 · HAProxy Version 17-1. 5. We used to run haproxy with SSL pass thru. com. On a separate note, when a certificate authority is affiliated to another certificate loaded in pfSense, the display is appropriate : "CA: Intermediate CA (CA: ROOT CA)" Nov 22, 2024 · Why Choose HAProxy on pfSense? HAProxy is an excellent choice for a reverse proxy due to its: High performance: Optimized for handling thousands of concurrent connections. I have a frontend for 443 and 4443 with the same configuration and pointing to the same backend. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers. Nov 17, 2021 · About /1 in frontend_name/1: SSL handshake failure: I can't find it in the docs, but by experimenting i found it's the number of port in frontend, to which connection was attempted and SSL handshake failed. If I use an other domain that is not QUIC enabled in the communication protocol of https everything works as a charm. 1. 0 [ Ubuntu 16. [02/Oct/2021:16 ssl_c_used : boolean Returns true if current SSL session uses a client certificate even if current connection uses SSL session resumption. However I think it’s more likely that in 2. To debug the problem I run sniffer, it shows Alert Message as “Unknown CA (48)”. x:443 ssl crt /etc/ssl/certs/cert. Mar 18, 2022 · So I can’t tell if this is an HAProxy or a cloudflare one, but could use some guidance. 9) requires setting SSL to off in backend for my use case. backend but carefully read the warning Posted by u/emrahbay - 5 votes and 6 comments Jul 24, 2023 · I do know that my certificate is RSA. 2. 8 on Ubuntu 18 in production and we plan to upgrade to version 2. pid maxconn 4000 user haproxy group haproxy daemon tune. Jun 21, 2023 · (2024-01-17, 04:15 PM) SKECHER9 Wrote: I am trying to understand the ssl/tls process. Set the value of “Max SSL …” to “2048”. Every other feature works as expected, through the reverse Sep 3, 2022 · https://one. XXXXX:36909 [16/Dec/2015:17:23:07. have ha proxy handle my services that are on the same ports [80 / 443] i have a couple i cannot change the port numbers and can not run Sep 9, 2024 · You are on point, SNI based routing will not work when the client_hello does not contain the SNI field. It works fine for my other services with an unencrypted HTTP backend connection between Haproxy and the services, but I’ve got one backend that I need to use HTTPS for. tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type 1 } acl is_my_domain req. I see generate-certificates in the configuration manual that might be useful in this case. The client or server is using a different cipher suite than the other side. The new errors had the message: SSL handshake failu Jul 1, 2021 · SNI is part of the SSL/TLS handshake, specifically the ClientHello sent at the beginning of the handshake by the client. 2 HAProxy backend/server to specific destination using SSL and SNI Since this file does not include the root CA, obviously it can't do a complete verification of the trust chain, which would result in a SSL handshake failure. 1 active and 0 backup servers left. com DNS resolver resolves pfsense. SSL/TLS plays a key role in HAProxy by ensuring secure data transmission between clients and the servers it manages. 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). In order to fix I had to delete the expired Lets Encrypt CAs (not the certs themselves!). 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. But when I use a certificate they generated from my CSR and then use my private key as key, it May 17, 2016 · Hello, having problems with announce SSL. cfg for one backend with SSL. 11 instances was down for about 8 minutes because of this same Jul 6, 2018 · Hello! My last thread is here for reference: Cannot bind socket 80 / 443 That got everything working just fine. My config is below frontend https-frontend bind 192. 11. It kind of makes sense: enabling SSL could lead to change of the packet content related to SSL, which upsets traefik. If I will just forward 443 port to the exchange DAG RPC over HTTP is working fine. I’ve set up two shared frontends - one for each Sep 10, 2024 · Hello, We use a HAProxy loadbalancer in TCP mode with behind it a HAProxy reverse proxy in HTTP mode. pfsense-01 is using pfsense-02/haproxy with ssl-termination as an authentication server ldap frontend. If I replace HAproxy with Dec 28, 2018 · So here’s the deal - we have 2 HA proxy instances setup behind a google load balancer. com tcp-request content capture req. I have my HAProxy setup with let’s Encrypt and everything is working well. 1% of traffic to the new haproxy machine, however there are no SSL handshake failures on the old haproxy version. Syslog logging. Apr 26, 2021 · A line like the following can be added to # /etc/sysconfig/syslog # # local2. Almost two years ago I got in touch with L7 forwarding and Sep 21, 2023 · The certificate files are concatenated and each file is just contains one certificate. The decryption endpoint is the HA proxy instances. ckmrfmuzgcrmscjwneipygvgldslixcnkexibjpqnredgucekirf