ARP Spoofing ARP spoofing and poisoning

Jun 30, 2005

Any user on a LAN can sniff and manipulate local traffic. ARP spoofing and poisoning techniques give an attacker an easy way in.

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Security Intro Knowing the ways of the enemy

Jun 30, 2005
Most users have become so accustomed to networking that they never stop to ask if anyone may be listening. We all k......
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SSPE Security Policies SSPE: Managing security policies for multiple firewalls

Jun 30, 2005

The Simple Security Policy Editor (SSPE) helps you organize your network and keep track of security policies across multiple firewalls. You can reference a central policy to generate rulesets for packet filters and VPN gateways.

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Books

Jun 30, 2005
Linux Quick Fix Notebook The Art of Computer Virus Research and Defense Linux in a Windows World...
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Charly's Column The Sysadmin’s Daily Grind: Mail and Queuegraph

May 31, 2005

Worms, mail bombs, and users who send multiple megabyte Powerpoint files across the wire give Postfix administrators plenty of reasons to view their charges with a critical eye from time to time.

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Charly's Column The Sysadmin’s Daily Grind: Smokeping

Apr 30, 2005

If you do not receive a response to a ping, or if the response is seriously delayed, you might like to take this as a warning. But who wants to ping all day? You need a ping-based monitoring utility like Smokeping.

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Secure Email Intro Mail Tools for a Hostile Planet

Feb 28, 2005

Don’t look now, but your mailbox is full of junk, and a snooper is live on a distant server, reading your opinions of your boss. Remember when email used to be easy? To restore some sanity to your correspondence, you’ll need the right tools.

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SpamAssassin A Home-Grown Spam Filter

Feb 28, 2005

Even if you do not have a mail server of your own, SpamAssassin can help you filter out unsolicited junk mail. This article describes how SpamAssassin collaborates with Evolution and KMail. Thunderbird, on the other hand, has its own simple spam-detection feature.

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