Hi Ciprian. Ciprian Dorin Craciun wrote on 20.10.2017:
> After fiddling with some ideas revolving around HAProxy as a > transparent proxy, I wondered if HAProxy supports the SOCKS4 protocol > as an alternative to its own PROXY protocol. Looking at the 1.7 > documentation and source code it seems it doesn't (yet). > > Thus, given how simple the SOCKS4 (not SOCKS4a or SOCKS5) protocol is, > I wanted to ask if anyone has coded a small patch to support it? > > If not, any pointers on how to implement it? > > Looking through the source code, I assume cloning `conn_recv_proxy` > should do the trick if only the SOCKS4 protocol wouldn't require that > the server talks back to the client. Thus should I assume that it > should also borrow code from `conn_si_send_proxy`? > > (The SOCKS4 handshake implies the client speaks first with a couple of > bytes, variable length but clearly determined, and as a result the > server sends back a couple of other bytes, exact length this time; > afterwards it just implies piping data from one end to the other.) > > Thanks, > Ciprian. Currently the socks protocol is not implemented in haproxy. What flow do you have in mind? -- Best Regards Aleks
