Haproxy check ssl verify none. lan but the logs contains api … So, check-sni was the key.
Haproxy check ssl verify none But I have met an issue for which I dont find the answer. 11. 198. ssl. Everything works fine as long as a user does not try to log into both applications in the same browser. lan shows the other site and files. pem default_backend bfoo backend bfoo option httpchk GET / HTTP/1. 6:8443 check ssl verify required ca-file /path/to/ca/file some other SSL related options (e. I have narrowed my configuration to demonstrate the issue (redacted): `# frontend specific configuration frontend http-in mode tcp #bind *:443 ssl crt /etc/haproxy/certs bind *:443 no option httpclose tcp-request inspect-delay 5s tcp-request content accept if { req_ssl_hello_type In this example: The ssl argument enables TLS to the server. I can access all backend servers individually 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 server vault-server1 192. ; Typically, you will use port 443, which signifies the HTTPS protocol, when connecting to servers over TLS. verify is relevant for the httpclient. 1:12345 check-ssl ssl verify none. 0 server SRVWEBFRM1 x. hereapi. 4. 1 port 8443 no-check-ssl check listen s1 bind 127. pem and restarting the haproxy service I get the error: unable to load SSL private key from PEM file ‘. Doing that with just 3389 works like a dream. 30. /1. I used openssl to create a self-sign certificate on my HAproxy, and then used this as the HAproxy. verify none. This is how your server line should look like: However once I put the backend servers to SSL, Haproxy shows the backend servers are up, but I am getting no data sent in browsers. If specified to 'none', servers certificates are not verified. In my haproxy configuration, I just need to add ssl verify none to the backend server configuration and the browsers will We are using a Godaddy wild card certificate on HA (Wildcard. I'm using a Nextcloud container from linuxserver repositories, which is using a self-signed certificate. # For more information, see ciphers(1SSL). com it connects to (win srv 2022) ip 10. server rtmp-manager 127. maps. com RDP app connects to virtual machine srv1 (win 10 pro) with ip 10. com) may be required for your backend to work properly From my backend via HAproxy I need to a https enabled web service. 7. cer, and ssl_certificate. example. Hello all. cer. Don’t configure ssl-default-server-ciphers, force-tlsv10, no-sslv3, ciphers or ca-file (you verify none anyway). The in-house CA is trusted by HA and all servers. g. . Haproxy version 1. /cert. httpchk tells HAProxy to send an http request and check the response status /server specifies the URI / Subdomain of my service; server backend1 wildfly:8443 check check-ssl verify none. sni demo2. There are many options for configuring SSL in HAProxy. This implies that when Haproxy connects to a backend server using SSL/TLS, it does not validate the server’s SSL certificate, potentially making the connection less See more I want to configure HAProxy as a tcp pass-through with ssl proxy, but some settings don’t work. It used to work for port 443 to the fromtend and port 443 to the backend but now it throws 503 errors. I have been given a . bar. check-ssl tells HAProxy to check via https instead of http; verify none tells HAProxy to trust the ssl certificate of the service Dear All, I’m absolutely not an expert in haproxy and ssl/tls and I’m stucked in a problem. ; The ca-file argument sets the CA for validating the server’s certificate. # Default ciphers to use on SSL-enabled listening sockets. 168. HAProxy should act as a transparent reverse proxy, so clients should not Hello. How can I successfully proxy all traffic to that service via HAProxy? Be Skip to main content. THere are two types of backend server, one type is https backend servers, one type is http backend servers. The Haproxy configuration option “backend ssl verify none” disables SSL certificate verification for backend servers that employ SSL/TLS encryption. In the example above you are testing different FQDN https://api-test-haproxy. The check-ssl keyword on each server line is required if the backend speaks SSL but the ssl keyword is not being used (which would be the case when HAProxy is not terminating the TLS session). 6:8443 check ssl verify none or server demo2 10. My config is below frontend https-frontend bind 192. So far so good. 0. Alone, without sni. But I used it in a wrong way. You cannot use passthrough SSL since ThingWorx requires access to the request object for path-based routing. I’m rather new to HA Proxy, and I’m having issues getting SSL Passthrough working. So the connection from the browser to HAProxy would be using the official purchased SSL cert, but the connection to HAProxy to the backend Specify the ssl directive in the definition of your backend server, like this: server rtmp-manager 127. 247:8200 check check-ssl verify none inter 8080. Remove “ssl verify none”, just leaving: If you're running on a LAN where you're certain to trust the server's certificate, please set an explicit 'verify none' statement on the 'server' line, or use 'ssl-server-verify none' in the global section to disable server-side verifications by default. After converting these to . You have ssl-server-verify none in your global section, so HAProxy will not care if the certs are valid or not. 193:8200 check check-ssl verify none inter 8080 server vault-server3 192. bar server s1 a. com 1. 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. 1\r\nHost:\ foo. 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)’. any type has two servers. It's clearly not working the same as the verify option on server lines. b. I use the following configuration in the backend: backend be_intranet mode http server Works the same way as the verify option on server lines. Note that the check-ssl option affects the health checks only, and if ssl is specified, it can be omitted, since health checks are The verify keyword on the server line is relevant for SSL certificate verification for backend servers. pem) and custom CA certs on the backends. Sorry I’m kinda confused here. it is almost as if the browser confuses where the response is coming from or makes a request using cookies I am using SSL termination and SNI to two backend IIS servers. If I do port 443 to the fromtend and port 80 to the backend it works but I need the backen traffic encrypted But you can take this one step further, and check the SHA1 fingerprint of the presented certificate to know if this specific certificate is allowed to use a specific API key or service, you can check the value of the head x-ssl-client-sha1, so mixing the 3 checks that would mean x-ssl-client-cert="1", and x-ssl-client-verify="0" and x-ssl . If this is not desirable, you can add SSL back to the backend connection by adding ssl to your server lines. Two lines did the trick: option httpchk /server. ls. lan shows the proper api-test site and files, and going to https://api2-test-haproxy. The working configuration is: server 1. 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 I'm using yum to install haproxy 1. com } backend Specify the ssl directive in the definition of your backend server, like this:. I have a simple haproxy configuration that looks like the following: global # configure logging log stdout format raw local0 debug # set default parameters to the modern configuration tune. ssl verify none works the same as httpclient. com:443 ssl verify none resolvers mydns check-sni Thank you for your response. com:443 check ssl verify none # or verify all to enforce ssl checking You can Hi, all I have two domain name test1 and test2 test1 needs to verify client certificate, test2 is a normal https website here’s the config for test1, but I don’t know how to merge test2 to it becase test2 does not need to verify client certificate, seems ‘verify required’ is a global option, how can I just let test1 to verify client certificate? Thanks for the help (I’m new to We tried doing this by adding the option no-check-ssl to each server line, like the following from the above example: server service_a:443 <ip-address>:443 id 1 check inter 30s rise 3 fall 2 ssl no-check-ssl crt <crt-file> ca-file <ca-file> verify required verifyhost <service-fqdn>. 89:443 check check-ssl verify none #Test2 backend test2-backend mode tcp balance roundrobin option httpchk GET I’ve been using HAproxy for just under two weeks - so please be gentle I’m using it load-balance RDP hosts. But I’m having trouble with the SSL termination method. 18 . neatoserver. 68. Here's the necessary options to search for a string on a page behind ssl: mode tcp option httpchk GET /<URI> http-check expect string <STRING\ WITH\ SPACES\ ESCAPED> server <YOUR_SERVER_FQDN>:443 <YOUR_SERVER_IP>:443 check ssl verify none for example, to check a login. 1:8080 check ssl verify none If the backend is not SSL enabled, don’t enable SSL on the backend. enter image description After diving a little deeper into haproxy, it looks like ssl-server-verify none is only effective if you set ssl on the backend server line as well. listen vault_cluster bind 0. 2. default-dh-param 2048 ssl-default-bind-ciphers ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20 Hello, We use a HAProxy loadbalancer in TCP mode with behind it a HAProxy reverse proxy in HTTP mode. You’re right, I didn’t notice the startssl aspect before. Set ssl-server-verify none in the global section AND ssl on each backend server line. defaults mode http frontend foo bind *:1443 ssl crt ssl. The setup works for port 80 to the frontend and then port 80 to the backend. 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) server vault-server1 192. One suggestion I found is to create self-signed certs on the backend servers and then on each server line, set "verify none HAProxy can be set up for external SSL and internal SSL. pfx GeoTrust wildcard certificate and 2 other certificates titled IntermediateCA. x. 0:80 balance roundrobin option httpchk GET /v1/sys/health Hello, I'm currently trying to move from a Haproxy configuration to Traefik. pem certificate working in my HAProxy configuration. 1:12345 check-ssl ssl verify none Note that the check-ssl option affects the health checks only, and if ssl is specified, it can be omitted, since health checks are automatically done via SSL. 0:80 balance roundrobin option httpchk GET /v1/sys/health Typically in mode http, HAProxy will offload all SSL and connect to the backend server in plain text. But with ‘ssl verify none’ option with mode tcp, I cannot access backend the proper way should be to enable SSL/TLS verification, and not skip it with ssl verify none. 211. hdr() call. 1, when i type srv2. cfg file global log 127. (HAProxy version 2. However, I'd prefer that the connection to the backend servers also be encrypted with SSL. 9. 6. httpclient. 205:8200 check check-ssl verify none inter 8080 server vault-server2 192. 1:514 local0 maxconn Hi. check-sni should be followed by a simple DNS name, as in your example above, not str() or req. 5. If you're running on a LAN where you're certain to trust the server's certificate, please set an explicit 'verify none' statement on the 'server' line, or use 'ssl-server-verify none' in the global section to disable server-side verifications by what am I doing wrong here? A part from the fact the you should set the flag to require SNI on the backend server, here is what’s wrong: option ssl-hello-chk simulates a obsolete SSLv3 client_hello and must be removed; if your backend requires SNI and you are using SSL level health-check like you do, you also need to manually specify the SNI value used for the Hi, I have a short question (I tried it and my assumptions seem to be correct, but just want to double check), can a let a certificate expire on the backend and have “verify none” and a valid certificate on the fronend and I will not have any issue? So far I am moving machines that have a valid certificate behind HAProxy, so on the date that a certificate expires, I want to When HAProxy negotiates the connection with the server, it will verify whether it trusts that server’s SSL certificate. com mode tcp default_backend foo backend foo mode tcp balance leastconn server foo foo. 10. company. You must provide the certificate files. c:443 ssl verify none alpn h2 Going to https://api-test-haproxy. This list is from: # https://hynek. I think ‘ssl verify none’ option at listen directive is work when backend server uses self-signed certificate. They work the same way, but apply to different features. Stop doing this and go back to a normal configuration. I’m using HA-Proxy version 1. With that config redirections work without problem but no matter what subdomain i type (have to be rdirected I need help I am using the following configuration to route traffic to different backends; however, the backend host is the same host for both applications. Expected Behavior. 6 and trying to setup some sites with SSL on the IIS web-server behind the HAProxy. You should load a valid CA (the one of your company or the one you created/used to sign the certificates exposed by your backends) with ca-file <file> and then verify the certs at ssl-server-verify none. c:443 ssl verify none alpn h2 addr 127. " One suggestion I found is to create self-signed certs on the backend servers and then on each server line, set "verify none". Steps to Reproduce the Behavior. So it looks like to get the behavior we want there are 2 options: Set ssl verify none on each backend server line. lan but the logs contains api So, check-sni was the key. I am having a problem getting my . I gave it a try and removed the flags you mentioned. ; The verify argument indicates whether to verify that the server’s TLS certificate was signed by a trusted Certificate Authority. 87:443 check check-ssl verify none server SRVWEBFRM2 x. All good on the Apache side of things. I'm working to configure HAProxy such that it will terminate the SSL so there's only one place to configure the purchased SSL cert. Default option is "required". html page for "User Name" string: In checking the haproxy config, I see this: "verify is enabled by default but no CA file specified. 1:8443 server s1 a. I have a problem with proxying Windows 10/Server RDP, the point is when i type srv1. See above assuming your backends serve content over HTTPS, their server lines lack ssl keyword, e. server demo2 10. pem’ I have Just configuring random SSL options is only messing with your setup. me/articles/hardening-your-web-servers-ssl-ciphers/ # An alternative list with additional directives can be obtained from. base. It appears that a TLS auth mechanism must be also be specified or server my-api 127. pvhk lpfub sefknj ueql hqqvz dqprf mmvbdo gno gjwjh gawj