When you use IPTables to create a firewall for your company's Web server, one way to prevent certain users from accessing the server is to block their IP addresses. Use the "iptables" command to ...

Hi, I'm using Slackware 9 for a file server (SAMBA) and I need to lock down this PC. A lot of ports are open that I don't know how to close. Also, there is no firewall working.<BR><BR>The ports open ...

This final installment of the IPTables tutorial details the paths that packets take along the chains, and presents some useful code snippets that should go in almost ...

Can anyone point me to a good iptables tutorial/reference for beginners? I'm trying to figure out how to do multiple one-to-one NATs, and I can't find any references that discuss this. I looked at the ...