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Messages - Wallachia

#1
Hello,

I have recently installed OPNSense on PC with 1 NIC (configured as LAN) with the goal to set it up as web proxy. I have configured Squid as non-transparent proxy with default port (3128) bound to LAN interface, but I can not connect to it from LAN - nothing is listening on port 3128 (nMap  and telnet). Weird thing is, when I go to CLI and enter netstat -a -n | egrep 'Proto|LISTEN', there is Squid process listening:
tcp4       0      0 10.116.44.195.3128     *.*                    LISTEN
If I stop pf from CLI and restart Squid, I now can connect to port 3128 and everything works just fine (browser connects to proxy and goes to Internet). Firewall settings are all default ("allow all to all"), I have tried to explicitly permit access to and from Squid port, but to no avail.
I suspect I'm doing some rookie mistake, but I can't understand where. Can the community help me?