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InfoWorld: White Paper: Using Open Source for ProfitOct 12, 2001, 22:04 (0 Talkback[s])
(Other stories by David A. E. Wall)
[ Thanks to Jeremy Allison for this link. ]
"When it came time to secure the Web servers from intrusion, we looked over a few firewall appliances, but the costs were prohibitive. Fortunately, Linux's ipchains offers a firewall for inbound as well as outbound traffic and even provides for network address translation to allow us to run our application separated from the Internet on a private network behind yet another firewall. Coupled with Tripwire and Snort, which detect unexpected modifications to files and analyze logs for intrusions, turning off all Internet services that are not needed, removing all unneeded user accounts, and ensuring high-quality passwords for the accounts that remain has shown Linux to be very secure and robust.
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