Ars Technica

Iptables firewall script (2)

I posted a topic about my firewall script a few days ago and got a ton of help. Instead of reviving that topic, I decided to start a new one. <BR><BR>I'm trying to learn iptables firewalling and I ...
Ars Technica

iptables script to block/whitelist port 80 and forward (resolved)

I have a debian box at IP "11.22.33.44" which is running an vmware turnkeylinux appliace/app. Its running on a host only private network, connected (virtually) to only the host box on a virtual ...
Linux Journal

Building a Transparent Firewall with Linux, Part IV

I've been writing a multipart series on building a transparent (bridging) firewall using Linux. Specifically, I'm using the distribution OpenWrt running on a Linksys WRT54GL broadband router, a ...
Linux Journal

Paranoid Penguin: Using iptables for Local Security

Most of us think of iptables strictly as a firewall tool for keeping remote attackers at bay. But did you know it also can be used to keep local users in line? The experimental match extension owner ...
Network World

Working with iptables

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

Ang iptables problem

/sbin/iptables -A FORWARD -p all -s 172.16.1.105 -j DROP /sbin/iptables -A FORWARD -p all -s 172.16.1.25 -j DROP /sbin/iptables -A FORWARD -p all -s 172.16.1.78 -j ...