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25 Proven Methods To Effectively Safeguard Your Web Server Today

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25 Ways to make your webserver more secure is a simple and short text that contains some principles to get a real world secure server.

LinuxSecurity.com Team
Dec 18, 2000

Security Measures Against OS Identification and Hacker Profiling

When hackers plan to break into Websites, they first try to find out which operating system the site is using. Once they determines that and which services are running, their chances of successfully attacking a system are greatly increased. What can . . .

LinuxSecurity.com Team
Dec 14, 2000

Exploring Proactive Security Measures of BSD/OS with Paul Anderson

BSD/OS is often considered a "secure" operating system. I often see ISPs and website hosting companies prominently brag that their servers are secure because they run BSDi's operating system. BSDi itself often promotes itself by saying it continues the BSD tradition . . .

LinuxSecurity.com Team
Dec 13, 2000

Utilizing SSL And OpenSSL To Enhance Security In E-Commerce Platforms

With ``e-commerce'' becoming an important part of many businesses, it's useful to know how to set up your server to run SSL for secure transfer of sensitive information. This article starts with a description of SSL and talks about implementing OpenSSL.. . .

LinuxSecurity.com Team
Dec 12, 2000

RSBAC 1.1.0 Security Advisory: Moderate Access Control Enhancements

RSBAC is an open source security extension for current Linux kernels. It is based on the Generalized Framework for Access Control (GFAC) by Abrams and LaPadula and provides a flexible system of access control based on several modules.. . .

LinuxSecurity.com Team
Dec 11, 2000

Protecting ISC DHCPD: Effective Tactics to Combat Network Vulnerabilities

There is practically no information available online regarding DHCP security. This is odd, considering the ubiquity of DHCP servers on most networks. Unlike BIND, the ISC DHCP server does not have command line options to chroot the . . .

LinuxSecurity.com Team
Nov 30, 2000

OpenSSH: Installation And Configuration Guide For Secure Shell Access

Secure Shell (SSH) was built to address these faults and provide a more secure environment to work in. SSH encrypts all your traffic including your passwords when you connect to another machine over the net. SSH also replaces telnet, ftp, rsh, . . .

LinuxSecurity.com Team
Nov 21, 2000

Enhancing Web Security Strategies Amid Cyber Threats for Companies

With the peak online holiday buying season just around the corner, Internet security experts are urging U.S. companies to enhance their security posture in light of recent threats made by hacker groups in the Middle East to launch an electronic holy . . .

LinuxSecurity.com Team
Nov 14, 2000

BIND 8.2.2 Patch 7 Critical: Remote Denial Of Service Risk Advisory

ISC has discovered (or has been notified of) eight bugs which can result in vulnerabilities of varying levels of severity in BIND as distributed by ISC. Upgrading to BIND version 8.2.2 patchlevel 7, or higher, is strongly recommended for all users . . .

LinuxSecurity.com Team
Nov 10, 2000

Guide to Reducing Spam on BSD with Sendmail and DNS Blacklists

Here's a great guide to reducing the risk of spam using sendmail. Additional information includes DNS blacklists, spam filters and procmail, securing identd, and more. "A properly configured BSD mail server can protect users from spam and Trojan horses while rejecting . . .

LinuxSecurity.com Team
Nov 10, 2000

Ten Immutable Security Principles: Timeless Guidance For Protection

This Microsoft article does a good job of outlining a list of security issues that no patch can fix. Only dilligence in maintaining your systems can ensure you're systems are as secure as possible. "In other cases, the reported problems simply . . .

LinuxSecurity.com Team
Nov 06, 2000

Comprehensive Evaluation of Exclusive Linux Firewall Devices

In the final entry of a three-part series of firewall product reviews, Pawel Leszek looks at dedicated appliance firewalls based on Linux. "Fire and forget" is the main idea behind hardware firewall appliances like WatchGuard's Firebox II, the Raptor Firewall from . . .

LinuxSecurity.com Team
Oct 23, 2000

Complete Guide for Installing a Secure Web Server Successfully

This document provides a step-by-step guide to building a more secure web server, as well as tips on network placement. "Web servers are the most exposed servers on the Internet. In order for clients/target groups to be able to access the . . .

LinuxSecurity.com Team
Oct 22, 2000

Exploring DNSSEC: Enhancing Cyber Defense Against Traffic Hijacking

An emerging technology promises to improve the security of the Internet's infrastructure by preventing hackers from hijacking Web traffic and redirecting it to bogus sites. The new security mechanism, dubbed DNSSEC, plugs a hole in the Internet's Domain Name System (DNS) . . .

LinuxSecurity.com Team
Oct 20, 2000

Trusted Operating Systems: A Higher Security Standard For FreeBSD

While most Freenix admins are used to the normal concerns of Unix security, there is a higher world of security that has never been touched by Freenixes. The realm of trusted operating systems, long the province only of military and other ultra-secure environments, represents a security level beyond that of all but a few commercial operating systems. . . .

LinuxSecurity.com Team
Oct 03, 2000

Hardening BIND DNS on Solaris Systems: Techniques And Best Practices

This paper presents the risks posed by an insecure DNS server and walks through compiling, installing, configuring and optionally, chroot'ing BIND 8. The test environment is Solaris 2.5, 2.6, 7 and 8. Many configuration and troubleshooting tips are provided, along with . . .

LinuxSecurity.com Team
Oct 02, 2000

Optimizing Network Speed And Security With Split DNS Approach

Requires free registration, but a good article nonetheless. "Can a firewall slow down HTTP proxies? If it is being used as a VPN (Virtual Private Network) endsite, and is performing encryption algorithms, the answer is "absolutely". Though proxy firewalls have come . . .

LinuxSecurity.com Team
Sep 29, 2000

Addressing Web Security Issues: Safeguarding Clients And Servers

This paper examines internet security with respect to the WWW. A number of WWW security issues are presented in three areas: server, client and communication between server and client. Practical precautions and solutions are suggested regarding these issues. Guidelines for protecting host systems are discussed.. . .

LinuxSecurity.com Team
Sep 28, 2000

Expert Tips For Secure Remote Backup Over Insecure Networks

What do you do when your site is attacked or your system fails? Backup, Avi Rubin argues, is the most reliable way to ensure that what you've lost can be recovered. Here he takes a look at protecting your backup and . . .

LinuxSecurity.com Team
Sep 18, 2000

Enhance Squid Proxy Performance: Tuning Techniques For Optimized Caching

Squid is an excellent open source web caching proxy package, but it requires quite a lot of tuning to achieve the kind of performance seen in commercial proxies. This article presents several independently useful ideas for tuning a web caching system. . . .

LinuxSecurity.com Team
Sep 18, 2000

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