Security Management Strategies for the CIO
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NAC security guide: How to achieve secure network access in the enterprise
This multi-part network access control (NAC) security guide covers a variety of NAC-related topics, offering tips and expert advice on how to thoroughly secure network access to the enterprise. Learning Guide
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Firewall Learning Guide
Get to know your firewall inside and out with this compilation of resources on firewall vulnerabilities, configuration and more. Learning Guide
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SearchSecurity.com's top clicks of 2005
SearchSecurity.com's top five tips, news articles and learning tools from 2005. Top clicks of 2005
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Playing with fire(walls)
Find out how well you know your firewall. Quiz
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Lesson/Domain 5 -- Security School: Training for CISSP Certification
Security School webcasts are focused on CISSP training. This lesson corresponds to the telecommunications and networking domain in the CISSP exam's "Common Body of Knowledge." School
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Securing Cisco routers
Read Chapter 3, Securing Cisco Routers, from the book "CCSP Secur Exam 2" written by Raman Sud and Ken Edelman. Book Chapter
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Getting Started with the Cisco PIX Firewall
Download Chapter 6, Getting Started with the Cisco PIX Firewall, from CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide. Book Chapter
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Quiz: Securing your network
Test your knowledge of network security. Quiz
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Quiz: Firewalls
Test your knowledge of firewall vocabulary. Quiz
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HP warns of malware in HP ProCurve switches flash cards
HP has notified customers that some ProCurve 5400 zl switches were shipped that contained compact flash cards infected with malware. News | 16 Apr 2012
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Thoma Bravo sells next-gen firewall, UTM vendor SonicWall to Dell
Dell’s security portfolio expands with purchase of unified threat management and next generation firewall vendor SonicWall from private equity firm. News | 13 Mar 2012
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RSA 2012 talk to offer help understanding IPv6 security issues
Understanding IPv6 security issues can be a challenge, but the protocol's co-inventor says enterprises can no longer afford to ignore IPv6 security concerns. News | 22 Feb 2012
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Black Hat 2011: Dan Kaminsky reveals network security research topics
Noted researcher Dan Kaminsky presented his latest network security research topics, including vulnerabilities in P2P networks, UPNP and home routers. News | 03 Aug 2011
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Researchers uncover Cisco firewall vulnerabilities, McAfee console flaws
While the vendors have released patches, SecureWorks researchers told Black Hat 2010 attendees that many enterprises place too much trust in their security systems and fail to check them for basic vulnerabilities. Article | 28 Jul 2010
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Oracle buys database firewall vendor Secerno
Oracle said the deal adds the Secerno database activity monitoring functionality to its line of database server security technologies. Article | 20 May 2010
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For enterprise firewalls, performance outweighs security functionality
Some network administrators fear too many security features can cause bottlenecks, slowing the network or worse, shutting it down altogether. Article | 04 May 2010
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Firewall audit tool sales driven by PCI, economic cuts
Firewall audits and change management can be daunting, complex tasks. Automated firewall audit tools are an attractive option for customers, especially those who need to comply with the PCI DSS and those affected by the sluggish economy. Article | 09 Oct 2009
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New Cisco IOS bugs pose tempting targets, says Black Hat researcher
VoIP implementations, basic coding within the devices and few router security features have made them an increasingly attractive target. Article | 30 Jul 2009
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IT pros find corporate firewall rules tough to navigate
Tweaking rules could result in disrupting business communications or opening a hole for unauthorized traffic. Firewall management tools ease the burden. Column | 15 Jun 2009
- See More: News on Network Firewalls, Routers and Switches
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How to test a firewall: A three-step guide for testing firewalls
There are three steps when testing firewalls for your organization. Expert Joel Snyder explains how to test a firewall. Tip
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Continuous monitoring strategy for government security managers
A security expert offers insights and advice for government security managers on implementing a continuous monitoring strategy. Tip
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Firewall deployment scenarios for new types of security threats
Is the firewall still an effective defense against new types of security threats? Network security expert Anand Sastry offers up contemporary firewall deployment scenarios for improving security. Tip
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How to plan a secure network by practicing defense-in-depth
When designing an enterprise network that includes hosted infrastructure components, many different layers must work together to keep it secure. Learn how to build network security in by practicing defense in depth. Tip
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Firewall logging: Telling valid traffic from network 'allows' threats
While tracking firewall "deny" actions is a good way to identify threats, logging the "allow" actions can give greater insight into malicious traffic that could be both more subtle and more dangerous. Tip
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How to use hping to craft packets
A packet crafting tool that's been around for a long time, hping can be used to test if ports are open, as well as for firewall testing. Learn how to use hping in this tutorial. Tip
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How to properly implement firewall egress filtering
Deploying outbound rules on a firewall is easier said than done. Scott Floyd reviews how to block outbound network traffic while avoiding mistakes that may lead to business process interruptions. Tip
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How to maintain network control plane security
Use access control lists and secure configurations to maintain the security of your organization's network control plane. Tip
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How to prepare for a secure network hardware upgrade
Thanks to the spread of 64-bit technologies and the growing interest in IPv6 -- not to mention the possibility of a merger or acquisition -- a major network hardware upgrade is a definite possibility for many organizations. Michael Cobb shows you how... Tip
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Smoothwall video: Smoothwall firewall offers defense in lean times
Peter Giannoulis of TheAcademyHome.com and TheAcademyPro.com details why Smoothwall may be a smart choice to protect SMBs or lower-priority assets on the cheap Tip
- See More: Tips on Network Firewalls, Routers and Switches
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UTM devices: Efficient security or a firewall failure risk?
UTM devices provide more protection than a simple firewall, but do they increase the risk of an enterprise firewall failure? Answer
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Firewall network security: Thwarting sophisticated attacks
Firewall network security is still a critical part of securing an enterprise. Learn what sophisticated attacks a firewall can effectively prevent. Answer
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Next-generation firewalls: Marketing hype or real value?
Next-gen firewalls have some features that can be of value to large enterprises, particularly visualization and improved levels of granular control. Answer
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Next-gen firewall vs. UTM device: Which is better for Web 2.0 risks?
How does a next-gen firewall differ from a UTM device, and how does each stack up against Web 2.0 risks? Answer
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How to set up SFTP automation for FTP/DMZ transfer
Transferring files from a DMZ to an internal FTP server can be risky. In this expert response, Anand Sastry explains how to use SFTP automation to lock it down. Answer
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Security/virtualization concerns: Where to place a firewall connection
Is it worthwhile to place signature-based blocking technology before a firewall connection? Learn more in this expert response from Anand Sastry. Ask the Expert
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Managing remote workers: Musts for setting up a secure home network
Is it the enterprise's responsibility to ensure that remote workers' home networks are secure? And, if so, how should they do it? Get expert advice from Nick Lewis. Ask the Expert
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What is the difference between static and dynamic network validation?
Network data analysis is essential to understanding the security configuration of your network. But what is the difference between static data validation and dynamic data validation? Find out in this expert response. Ask the Expert
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How to implement virtual firewalls in a complex network infrastructure
If your enterprise has a complex network infrastructure, it might be necessary to implement virtual firewalls or multiple security contexts. Network security expert Mike Chapple explains the pros and cons of doing so. Ask the Expert
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How to manage network bandwidth with distributed ISP bandwidth
As enterprises grow, demand for bandwidth can increase exponentially. In this expert answer, Mike Chapple explains different techniques for managing network bandwidth with ISP distribution. Ask the Expert
- See More: Expert Advice on Network Firewalls, Routers and Switches
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screened subnet (triple-homed firewall)
A screened subnet (also known as a 'triple-homed firewall') is a network architecture that uses a single firewall with three network interfaces... (Continued) Definition
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firewall
A firewall is a set of related programs, located at a network gateway server, that protects the resources of a private network from users from other networks. Definition
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bastion host
On the Internet, a bastion host is the only host computer that a company allows to be addressed directly from the public network and that is designed to screen the rest of its network from security exposure. Definition
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virus
In computers, a virus is a program or programming code that replicates by being copied or initiating its copying to another program, computer boot sector or document. Definition
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Firewall Builder (Fwbuilder)
Firewall Builder, also called Fwbuilder, is a vendor-neutral configuration and management application for firewalls that is intended primarily for Linux and that supports the OpenBSD Packet Filter, Cisco PIX Series security devices, iptables, and ipf... Definition
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VeriSign on DNSSEC support
Joe Waldron, a product manager in VeriSign's Naming (DNS) Group, said engineers are testing and upgrading systems to support security extensions for DNS (DNSSEC). Video
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PCI compliance requirement 1: Firewalls
PCI experts Diana Kelley and Ed Moyle review Requirement 1 of the Payment Card Industry Data Security Standard, which includes a mandate for stateful inspection firewalls. Video
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UTM devices: Efficient security or a firewall failure risk?
UTM devices provide more protection than a simple firewall, but do they increase the risk of an enterprise firewall failure? Answer
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HP warns of malware in HP ProCurve switches flash cards
HP has notified customers that some ProCurve 5400 zl switches were shipped that contained compact flash cards infected with malware. News
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How to test a firewall: A three-step guide for testing firewalls
There are three steps when testing firewalls for your organization. Expert Joel Snyder explains how to test a firewall. Tip
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NAC security guide: How to achieve secure network access in the enterprise
This multi-part network access control (NAC) security guide covers a variety of NAC-related topics, offering tips and expert advice on how to thoroughly secure network access to the enterprise. Learning Guide
-
Thoma Bravo sells next-gen firewall, UTM vendor SonicWall to Dell
Dell’s security portfolio expands with purchase of unified threat management and next generation firewall vendor SonicWall from private equity firm. News
-
RSA 2012 talk to offer help understanding IPv6 security issues
Understanding IPv6 security issues can be a challenge, but the protocol's co-inventor says enterprises can no longer afford to ignore IPv6 security concerns. News
-
Firewall network security: Thwarting sophisticated attacks
Firewall network security is still a critical part of securing an enterprise. Learn what sophisticated attacks a firewall can effectively prevent. Answer
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Continuous monitoring strategy for government security managers
A security expert offers insights and advice for government security managers on implementing a continuous monitoring strategy. Tip
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Next-generation firewalls: Marketing hype or real value?
Next-gen firewalls have some features that can be of value to large enterprises, particularly visualization and improved levels of granular control. Answer
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Next-gen firewall vs. UTM device: Which is better for Web 2.0 risks?
How does a next-gen firewall differ from a UTM device, and how does each stack up against Web 2.0 risks? Answer
- See More: All on Network Firewalls, Routers and Switches
About Network Firewalls, Routers and Switches
Learn how to choose a firewall, where to place it, how to tackle configuration, vulnerabilities and threats, and monitor traffic between secured and unsecured environments. Get advice on how to manage and secure routers and switches.