On Wed, 29 Jul 2009 07:42:06 +0800, "SSCR Internet Admin" <admin@xxxxxxxxxxxxxx> wrote: > Hi, > > Is it possible for squid to see what is the actual workstation ip address > which is requesting from inside a firewall? > > LAN ---- FIREWALL --- SQUID > > Thank you. > When the firewall is passing packets without altering IPs yes. NP: When NAT is involved it erases the end-to-end information completely. There is no IP left to be detected. The link collapses down to a firewall requesting data from Squid, nothing more. Amos