Hey Alex, Thanks for the reply.
Basically, I need to set up a cache_peer, and have all traffic to it be sent using CONNECT, and add an HTTP CONNECT header such as: CONNECT test1 HTTP/1.1\r\n\r\n . Is that possible with Squid? Thanks, On 3 May 2022, 16:30 +0300, Alex Rousskov <rouss...@measurement-factory.com>, wrote: > On 5/3/22 06:12, roee klinger wrote: > > Hey, > > > > I am trying to use Squid with FTP server TCP Port Multiplexing, on the > > FRP documentation (https://github.com/fatedier/frp#tcp-port-multiplexing > > <https://github.com/fatedier/frp#tcp-port-multiplexing>), it says: > > > > frp supports receiving TCP sockets directed to different proxies on > > a single port on frps, similar to vhost_http_port and vhost_https_port. > > > > The only supported TCP port multiplexing method available at the > > moment is httpconnect - HTTP CONNECT tunnel. > > > > When setting tcpmux_httpconnect_port to anything other than 0 in > > frps under [common], frps will listen on this port for HTTP CONNECT > > requests. > > > > The host of the HTTP CONNECT request will be used to match the proxy > > in frps. Proxy hosts can be configured in frpc by configuring > > custom_domain and / or subdomain under type = tcpmux proxies, when > > multiplexer = httpconnect. > > > > In the above configuration - frps can be contacted on port 1337 with > > a HTTP CONNECT header such as: > > CONNECT test1 HTTP/1.1\r\n\r\n > > > > and the connection will be routed to proxy1. > > > > > > > > I have been struggling to find info about the use of CONNECT tunnels in > > Squid, the only page that seems to be talking about it is this: > > https://wiki.squid-cache.org/Features/HTTPS > > <https://wiki.squid-cache.org/Features/HTTPS>, and the link it points to > > is broken. > > > > My question is, how can I use this with Squid? Can I configure Squid to > > receive traffic and then send it out to FRP with a custom CONNECT header? > > > > I am not sure if this is only good for web servers, or if upstream proxy > > servers can use this method too. > > CONNECT is usually used for opening TCP tunnels through HTTP proxies. > Squid uses CONNECT (only) when the HTTP protocol requires such use: > Squid will send a CONNECT request if you configure Squid to talk to a > configured cache_peer (without an originserver flag), provided Squid > needs to open a TCP tunnel through that cache_peer. > > Squid uses TCP tunnels in several cases. The most common use case is > when Squid is forwarding a received CONNECT request (or an intercepted > TLS connection) through a cache_peer. > > I have not studied FRP documentation and do not know how it all maps to > your specific use case, but if you can summarize your use case in basic > FTP/HTTP/TLS terms (e.g. Squid receives FTP request X and should send > HTTP request Y), we may be able to help you with Squid configuration. > > Alex. > _______________________________________________ > squid-users mailing list > squid-users@lists.squid-cache.org > http://lists.squid-cache.org/listinfo/squid-users
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