Iptables, more properly referred to as “iptables/netfilter” because of the two modules that are involved — the userspace module “iptables” and the kernel ...

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 ...

iptables is the user-space tool for configuring firewall rules in the Linux kernel. It is actually a part of the larger netfilter framework. Perhaps because iptables is the most visible part of the ...

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 ...

Let's talk about protecting your network from what people can fetch. I'm going to take a twisty road to get there, so please stick with me. I wrote a lengthy report ...