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We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.

Creating Warning Login Banners  11 May 2000 
Source: CIAC   -- - Posted by Team   
Here is a good source for help in developing a Warning banner. "A requirement for successfully prosecuting those unauthorized users who improperly use a government computer is that the computer must have a warning banner displayed at all access . . . owned by white hats  08 May 2000 
Source: --   - Posted by Team   
Friendly strangers briefly took over the Apache Software Foundation server by exploiting a series of common configuration errors, and then announced their presence by inserting an advertisement for Microsoft at the bottom of the home page. The open-source Apache is . . .
Network Security With Linux 2.4  06 May 2000 
Source: Linux Magazine - Posted by Team   
The Linux 2.4 kernel is just around the corner and, in theory, is supposed to be coming to a computer near you around the time you read this article. . . .
There but for the Grace of Bill....  05 May 2000 
Source: LinuxPlanet [LinuxToday] - Posted by Team   
Here's an analysis of the recent Microsoft worm, and an interesting commentary on it's effect on Linux users. "Guess what? No matter what you've heard about Microsoft Outlook, the situation is basically the same as it is in Linux. . . .
Big Brother Vulnerability  05 May 2000 
Source: Submitted by Sean MacGuire - Posted by Team   
Notice - an exploitable buffer overflow has been reported in the Big Brother server (bbd). If you're running BB, please either update your version, apply the fix enclosed, and run BB as a non-root user! If you have . . .
Sendmail protection for ILOVEYOU worm  04 May 2000 
Source: Jose Nazario / bugtraq - Posted by Team   
Included here is information that can be added to your sendmail configuration to protect your internal users from the ILOVEYOU worm from spreading, as well as more information from this bugtraq post. Be sure to note that variations . . .
Hackers release new DoS tool  04 May 2000 
Source: MSNBC - Posted by Team   
The denial of service attacks that took down Yahoo, eBay, and other major Web sites has apparently inspired computer vandals to construct more attack tools. There’s a new tool called “mstream,? which has been in circulation since at least early . . .
Linux Security: TCP-Wrappers?  04 May 2000 
Source:, Scott Nipp --   - Posted by Team   
Linux, like any operating system, is only as secure as you make it. Any computer that is connected to a network, and especially the Internet, is susceptible to being compromised. Security is an issue that affects everyone from home users . . .
Detecting and Decoding MStream Traffic  02 May 2000 
Source: Elliot Turner, MimeStar, Inc. - Posted by Team   
Elliot Turner speaks about the recent "MStream" DDoS attack, and attack signatures he's explored to detect the presence of the vulnerability. "Using the attack signature modules and SNP-L scripts included in this write-up, one can detect and decode "mstream" network . . .
The "mstream" distributed denial of service attack tool  01 May 2000 
Source: David Dittrich, George Weaver, Sven Dietrich, and Neil Long - Posted by Team   
Another Distributed Denial of Service (DDoS) attack tool has been released. David Dittrich heads up an analysis of the tool, in much the same way as his previous six DDoS analyses. "mstream is more primitive than any of . . .
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