At work we use an old (10 year old) linux box with 4 interfaces to act as router/firewall for the network. There's never really been a need to change it since it's stable and handles all our needs. ...
I'm wondering, is it possible to block certain ports on different interfaces such as eth0:0 eth0:1... For instance, if I want to block on eth0:0 ports 22 and 25 and leave those open on eth0:1 I'm ...
I have multiple internet connections from different ISPs and I need to route certain traffic over a particular ISP link. I am using Debian for this. The setup is as follows; eth0 (IP address is ...