On mån, 2008-07-07 at 19:46 -0400, Peter Djalaliev wrote: > (e.g 3128). From what I understand, when iptables matches a packet > against this rule, it overwrites the packet's destination IP address and > TCP port with, respectively, the local IP address and 3128. > > How does Squid (e.g in the case of an HTTP request) know the IP address > of the original web server that the packet was destined to? iptables provides a getsockopt interface where one can query the original destination address of the connetion associated with the socket. > If yes, does Squid do something similar in the case of other supported > protocols - SSL, gopher? No, Squid is an HTTP proxy, and only accepts HTTP requests. That HTTP request may be for an gopher:// object, but it's still an HTTP request. There is no gopher server component in Squid, only a gopher client to be able to fetch gopher:// URLs when requested by it's HTTP clients. Regards Henrik
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