Development Team/services-darenet/sockcheck example config
This is an example configuration of services-darenet sockcheck module.
/* sockcheck.conf * * This file describes what proxy scans to run: what ports to connect * to, what to send to them, to look for, and what to do if that is * found. */ /* Connect on port 1080, sending "\5\1\0" as challenge. * If we get "\5\0" as a response, it's an unsecured socks5. */ "1080:050100" { "0500" "reject:Unsecured socks5"; }; /* Connect on port 1080, sending "\4\1" followed by the port * and IP of the client, followed by the (NUL-terminated) ident to * use. If we get a four byte response with '\x5a' as the second * byte, it's an unsecured socks4 proxy. * * It would be generally wise to replace the $p$i with a hard-coded * one; many insecure proxies refuse to connect to themselves. */ "1080:0401$p$i=p=r=o=x=y00" { "..5a...." "reject:Unsecured socks4"; }; "23:" { // This first test is interesting: multi-stage, and a default action is reject // this crap at the front is the router trying to negotiate telnet options "fffb01fffb03fffd18fffd1f0d0a0d0a=U=s=e=r= =A=c=c=e=s=s= =V=e=r=i=f=i=c=a=t=i=o=n0d0a0d0a=P=a=s=s=w=o=r=d3a= :=c=i=s=c=o0d0a" { "0d0a=P=a=s=s=w=o=r=d3a= " "accept"; "other" "reject:[1 hour] Cisco router with default password"; }; "=W=i=n=G=a=t=e=>" "reject:Unsecured wingate"; "=T=o=o= =m=a=n=y" "reject:Unsecured wingate"; "=E=n=t=e=r= =h=o=s=t= =n=a=m=e" "reject:Unsecured wingate"; // the 3a is ':'; due to a parser glitch, =: isn't parsed like you might expect "=E=n=t=e=r= 3a= =<=h=o=s=t=>" "reject:Unsecured wingate"; }; /* Connect on port 3128 (squid), trying to use a HTTP CONNECT * proxy. If we get a 200 response, it worked and should be * booted. * * If you do this check on port 80, you might check for "200 * Connection" instead to reduce false positives; many servers * send 200 OK responses for custom 404 Error pages. * * As with the SOCKS4 check, you may want to replace the $c:3128 * (client hostname and port) with a hard-coded one. */ "3128:=C=O=N=N=E=C=T= $c=:=3=1=2=8= =H=T=T=P=/=1=.=00d0a0d0a" { "=H=T=T=P=/=1=.=0= =2=0=0" "reject:Unsecured proxy"; }; "27374:" { "" "reject:Subseven detected"; };