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Sys Admin and The Perl Journal CD-ROM version 12.0

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Sys Admin Magazine > Archives > 2003 > June
June 2003 • Volume 12 • Number 6

Features

Improving Sendmail Security by Turning It OffHal Pomeranz

Pomeranz explains how to safely disable Sendmail daemons to protect your network.

Port Knocking — Network Authentication Across Closed PortsMartin Krzywinski

Krzywinski describes the use of port knocking, a stealthy network authentication system that uses closed ports to carry out identification of trusted users.

Freeware Forensics ToolsKristy Westphal

Westphal examines three popular UNIX freeware tools: The Coroner’s Toolkit (TCT), The @stake Sleuth Kit (TASK), and Autopsy Forensic Browser.

Lppbuild — AIX Package CreationCharles Ritter

Ritter describes lppbuild, a useful tool for creating binary installation packages in AIX’s LPP package format.

CFS — The Cryptographic File SystemKeith McDuffee

McDuffee describes the implementation of Matt Blaze’s Cryptographic File System to encrypt product source code on laptops.

Integrating SpamAssassin into Qmail and SendmailJason Camp

Camp explains how to integrate SpamAssassin into Qmail to help combat spam.

Using the xargs CommandEd Schaefer

One of the most under-utilized UNIX utilities is the xargs, construct argument lists, command. In this article, Schaefer describes xargs and presents eight xargs “one-liners”.

Protecting Your UNIX Systems — An OverviewEric Cole

Cole provides a general introduction to some basic but critical tools for protecting your data.

Stress Testing Jabber with the Jabber Test SuiteDustin Puryear

Puryear describes how the Jabber Test Suite can be used to evaluate how well your Jabber service is working under a given load.

Columns

Questions and AnswersAmy Rich

Solaris™ Resource Management — The Fair Share SchedulerPeter Baer Galvin

Introduction to RAIDHenry Newman

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