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Secure my firewall
Find the HOWTO or step-by-step guide that you need right here.

Introduction to Troubleshooting Linux Firewalls  14 January 2005 
Source: "Introduction to Troubleshooting Linux Firewalls" - Posted by Administrator   
The importance of a firewall to your security plan cannot be stressed enough, but what happens when your firewall fails? Find out in this introduction to firewall troubleshooting.
Egress filtering for a healthier Internet.  29 November 2004 
Source: "Egress filtering for a healthier Internet." - Posted by Administrator   
Security is not just protecting yourself from others, you must protect others from yourself. Creating Egress filters helps prevent your machines from making unwanted outbond connections from crackers, worms, or unsavory software.
Combating reverse telnet using OpenBSD Packet Filter  29 November 2004 
Source: "Combating reverse telnet using OpenBSD Packet Filter" - Posted by Administrator   
This article is meant for those who are going to implement firewall using OpenBSD. The main purpose for this article is to protect servers (such as web, mail, dns and others) within a firewalled network.
PCX Firewall  29 November 2004 
Source: "PCX Firewall" - Posted by Administrator   
PCX Firewall is an IPTables firewalling solution that uses Perl to generate static shell scripts based upon the user's configuration settings. This allows the firewall to startup quickly, as it does not have to parse config files every time it starts
knetfilter  29 November 2004 
Source: "knetfilter" - Posted by Administrator   
Knetfilter is a KDE application designed to manage the netfilter functionalities that will come with the new kernel 2.4.x.
Firing up Firewalls  29 November 2004 
Source: "Firing up Firewalls" - Posted by Administrator   
This documentation discusses how to set up a Firewall for different distributions.
Securing an Unpatchable Webserver... HogWash!  29 November 2004 
Source: "Securing an Unpatchable Webserver... HogWash!" - Posted by Administrator   
Hogwash is a Snort-based packet scrubber designed to take out 95% of the stock attacks hackers may throw at a network. Hogwash lives inline like a firewall, but it works differently. Instead of closing ports like a traditional firewall, it drops or m
Remote-Office Firewalls  29 November 2004 
Source: "Remote-Office Firewalls" - Posted by Administrator   
This documentation discusses supporting telecommuters remote small-office sites and how you can setup a firewall to protect the network from being very useful for obscuring a hacker's tracks on the way to his or her final destination.
IPFilter resources  29 November 2004 
Source: "IPFilter resources" - Posted by Administrator   
IP Filter is a great little firewall package. It does just about everything other free firewalls (ipfwadm, ipchains, ipfw) do, but it's also portable and does neat stuff the others don't.
How to Set Up a Linux-Based Firewall for a SOHO: part 1 of a 3-part series  29 November 2004 
Source: "How to Set Up a Linux-Based Firewall for a SOHO: part 1 of a 3-part series" - Posted by Administrator   
This documentation will show you how to set up a Linux-based personal firewall for the SOHO (small office, home office), broadband-attached network. It also takes a look at several SOHO firewalls and determines whether or not they can keep your syste
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