Mes: abril 2013

Debugging iptables

Today I had to debug iptables while reviewing a customer issue, which basically had problems with a VPN that allowed traffic from the client to the server, but not to any other machine in the server network. A quick look…

Testing a squid ACL

Imagine you have configured your squid, with dansguardian, and a shallalist. You launch squid and… bump, it says that one of your ACL’s is a bungled one. You check syntax… and it’s perfect. What the hell is happening here? Well,…