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HOWTO/FAQs > Firewalls
General Resources
HOWTO/FAQs   (60)
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Resources Hits
Internet Firewalls and Security
This 3Com document describes the basics of firewalls, developing a security policy, testing the configuration when you're done, and much more.
2462
IPChains Webmin Module
This module creates a shell script containing all calls for ipchains. You can modify the chains and the rules in these chains.
691
Nmap
Nmap is a tool to port scan hosts and networks to discover services which are available. This should always be the last step in installing a firewall -- to make sure you are actually allowing the services you think you are allowing, and no more.
820
COAST Firewall Resources
Here's a great set of links on firewall software, books, whitepapers, and research to use as a starting point.
709
Delegate
Multi-purpose application level gateway, or a proxy server which runs on multiple platforms (Unix, Windows and OS/2). DeleGate mediates communication of various protocols (HTTP, FTP, NNTP, POP, Telnet, etc.), applying cache and conversion for mediate
749
How to Set Up a Linux-Based Firewall for a SOHO
This documentation will discuss how SOHO firewalls are not safe and it will also discuss packet-filtering firewalls and policy-based routing.
1543
A Comparison of iptables Automation Tools
This documentation will offer a brief overview of the means of configuring iptables and will offer a brief review of some tools that have been developed to automate the configuration of iptables. This discussion will look at IP firewalling code in Li
788
Dynamic iptables firewalls
In this documentation, you will learn how to make rapid, complex changes to your firewall rules dynamic firewall scripts. You can use these scripts to increase your network security and responsiveness, and to inspire your own creative designs.
1107
Filtering Packets with iptables
This documentation will deal with the basics of getting iptables up and running.
1208
Building a Bridging Firewall with Linux
This documentation discusses how one can use the Linux kernels v2.2 and higher to setup Ethernet bridging and also explains the steps necessary to get a bridging firewall up and running. In a bridge, all packets received by one interface are passed t
1831
    
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