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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.

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 . . .
IDing remote hosts, without them knowing  01 May 2000 
Source: [LinuxToday] - Posted by Team   
Lance Spitzner tells us about IDing remote hosts, without them knowing using Passive Fingerprinting. "One of the challenges of network security is learning about the bad guys. To understand your threats and better protect against them, you have to . . .
Insecure.Org announces immediate, free availability of Nmap Security Scanner 2.50  01 May 2000 
Source: - Posted by Team   
Nmap is a utility for network exploration or security auditing. It supports ping scanning (determine which hosts are up), many port scanning techniques (determine what services the hosts are offering), and TCP/IP fingerprinting (remote host operating system identification). More than . . .
Linux back door slammed  27 April 2000 
Source: PCFormat Daily [LinuxToday] - Posted by Team   
MSNBC seems to have a comment on the "back door" recently found in a Red Hat package. "It makes a change to see a story about a gaping security hole in a Linux package for a change, rather than . . .
AboveNet vows to nab Web attackers  26 April 2000 
Source: ZDNet - Posted by Team   
Internet service provider AboveNet Communications Inc. and law enforcement officials are on the hunt for the cyberattackers who halted traffic on Tuesday to almost 1,000 businesses that contract Internet services and Web-page hosting through the company. At 9:45 a.m. Pacific . . .
Linux Security Flaw Detailed  25 April 2000 
Source: TechWeb - Posted by Team   
Back-door in Red Hat Linux? "Internet Security Systems is warning Linux users of a back-door security flaw that carries ISS's highest danger rating." The story explains, "a back-door vulnerability exists for any user running a full version of Red Hat . . .
Red Hat open to backdoor password  25 April 2000 
Source: MSNBC    - Posted by Team   
A team of Internet security researchers say they’ve found a serious security hole in the most popular distribution of the Linux operating system. According to Internet Security Systems Inc., there’s a backdoor account in Red Hat’s Linux that would let . . .
Make your software behave: CGI programming made secure  22 April 2000 
Source: IBM DeveloperWorks [LinuxToday] - Posted by Team   
In a short span of years (since 1992, in fact), the Web has exploded from nonexistence to the gazillions of Web sites found today. As the Web has grown, so too have the capabilities of Web technologies. This article focuses . . .
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