Seawall is an ipchains firewall that supports IP masquerading and can be used on a standalone system, on a dedicated firewall system or on a multi-use gateway/server. It supports VPN via IPIP tunnels and PPTP, has an easy to edit configuration file, and can be extended without modifying the base product. It also includes realtime monitoring with an audible alarm that sounds when suspect packets are detected.
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Securax Security Advisory Securax-SA-09 - The Serv-U FTP server for Windows v 2.4a, 2.5h, and 3.0b (all versions tested) have vulnerabilities stemming from improper handling of hex encoded characters in ftp commands. The server will reveal the full path to the ftproot, allow read/write/execute/list access to any other file on the partition, and allow listing of all hidden files. Fix available here.
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CERT Advisory CA-2000-21 Denial-of-Service Vulnerabilities in TCP/IP Stacks. A variety of denial-of-service vulnerabilities has been explored and documented by BindView's RAZOR Security Team. These vulnerabilities allow attackers to consume limited resources on victim machines. BindView's RAZOR Security Team has referred to these vulnerabilities as Naptha vulnerabilities.
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Microsoft Security Bulletin (MS00-094) - Microsoft has released a patch that eliminates a buffer overflow security vulnerability in The Phone Book Service that ships with Microsoft Windows NT 4.0 and Windows 2000 Servers. The vulnerability allows a malicious user to execute hostile code on a remote server that is running the service. Microsoft FAQ on this issue available here.
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