Data Communications

BT Ireland BT Ireland- Offers leased lines, business internet access and hosting. SC Data Systems Ltd. SC Data Systems Ltd.- Distributor of data cabling products. Includes online catalog and contact information. Bandwidth Telecommunications Bandwidth Telecommunications- Provider of commercial telecommunications services. Eircom Eircom- Details of the company and telecommunication services offered. Ksplice Ksplice- Provides Linux kernel extensions which allow system administrators to apply security patches to a running kernel without having to reboot the system. The Linux Encryption HOWTO Homepage The Linux Encryption HOWTO Homepage- The Linux Encryption-HOWTO seeks to describe all major development activities around Linux that provide encryption features to the kernel. Security ACLs for Linux kernel Security ACLs for Linux kernel- The site provides a patch for extended attributes and access control lists for Linux kernel. Security patch for Linux kernel 2.4 Security patch for Linux kernel 2.4- Grsecurity is a set of security patches to the 2.4 tree of Linux kernels. The goal of the project is to create the most secure system possible… Rule Set Based Access Control (RSBAC) for Linux Rule Set Based Access Control (RSBAC) for Linux- RSBAC is another MAC kernel security enhancement project for Linux. The standard package includes a range of access control models… Linux Administrator's Security Guide Linux Administrator's Security Guide- A security guide aimed at administrators and users, available online in Acrobat PDF format, by Kurt Seifried. Network Security Information: UNIX Network Security Information: UNIX- Network Security Library has links to many UNIX (and, especially, Linux) security articles on host hardening, security admin guides, and specia… Linux Security HOWTO Linux Security HOWTO- General overview of security issues that face the administrator of Linux systems. It covers general security philosophy and a number of specific examples of … Firewall Piercing mini-HOWTO Firewall Piercing mini-HOWTO- Tutorial on using ppp over telnet to do network stuff transparently through an Internet firewall. (François-René Rideau) Linux Bridge+Firewall Mini-HOWTO Linux Bridge+Firewall Mini-HOWTO- A tutorial on how to setup a bridge and a firewall with Linux, by Peter Breuer. Linux IPCHAINS-HOWTO Linux IPCHAINS-HOWTO- Describes how to obtain, install and configure the enhanced IP firewalling chains software for Linux, and how they might be used, by Paul Russell. Linux Security HOWTO Linux Security HOWTO- Security issues that face the administrator, security philosophy, examples of how to secure the system from intruders. Secure POP via SSH mini-HOWTO Secure POP via SSH mini-HOWTO- Explains how to set up secure POP connections using ssh, by Manish Singh. Firewalling and Proxy Server HOWTO Firewalling and Proxy Server HOWTO- Teaches the basics of firewall systems and give you some detail on setting up both a filtering and proxy firewall on a Linux based PC, by Mark … UnOfficial SELinux FAQ UnOfficial SELinux FAQ- A technical FAQ for the NSA SELinux project, which covers installation and implementation issues. Setting up a secure Linux server Setting up a secure Linux server- Setting up a secure Linux server using RedHat and the Linux From Scratch system. Securing NIS Securing NIS- Provides a checklist on how to secure UNIX/Linux NIS (formerly YP) services in an intranet environment. Ritter's Crypto Glossary and Dictionary of Technical Cryptography Ritter's Crypto Glossary and Dictionary of Technical Cryptography- Hyperlinked definitions and discussions of many cryptographic, mathematics, logic, statistics, and electronics t… YoLinux: Internet Server Security HowTo and Tutorial YoLinux: Internet Server Security HowTo and Tutorial- This tutorial covers the installation and use of hacker protection software such as Portsentry, tripwire, ssh. It also covers… A Simple Scheme to Make Passwords Based on One-Way Functions Much Harder to Crack A Simple Scheme to Make Passwords Based on One-Way Functions Much Harder to Crack- Discusses the possibility that crackers might generate and distribute a massive list of encrypte…