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Firewalls
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.



Network firewalls aren't dead yet  06 March 2014 
Source: Network World - Posted by Dave Wreski   
Phil Cummings says network firewalls will continue to be a critical piece of Health Information Technology Services -- Nova Scotia security portfolio for one simple reason: nothing's come along to replace them.
 
Why you don't need a firewall  15 May 2012 
Source: InfoWorld - Posted by Dave Wreski   
Once, firewalls were useful for certain types of attacks. Now they're more trouble than they're worth -- and create a false sense of security into the bargain
 
Sourcefire blends firewall and intrusion prevention systems  05 December 2011 
Source: v3 - Posted by Dave Wreski   
Sourcefire is moving into the firewall business, bringing its experience in intrusion prevention systems (IPS) such as Snort to offer a more context-aware platform that can better adapt to modern security threats than traditional firewalls, according to the firm.
 
Building a powerful & affordable firewall with Linux  20 October 2011 
Source: ZDNet Blogs - Posted by Dave Wreski   
It's no doubt that one of the leaders for network equipment is Cisco Systems. Newer Cisco devices are starting to use what Cisco calls its "IOS-XE" operating system, which is a customized flavor of GNU/Linux. Yes, GNU/Linux, which should not come as any surprise as GNU/Linux is used on countless high level appliances and security devices.
 
IPFire open source firewall gets ARM port  11 October 2011 
Source: H Security - Posted by Anthony Pell   
The IPFire project development team has announced the first beta release of an ARM port of version 2.11 of its open source firewall. IPFire is a Linux server distribution that can be booted from a CD or USB drive, or installed to a computer's internal drive.
 
Build Powerful Linux Firewalls with Firewall Builder  19 April 2011 
Source: Linux.com - Posted by Alex   
Fwbuilder is a unique graphical firewall tool that allows the user to create objects and then drag and drop those objects into firewalls, to build a powerful security system for a single PC or a network of PCs. Fwbuilder supports a wide range of firewalls (Cisco ASA/PIX, Linux iptables, FreeBSD's ipfilter, OpenBSD's pf, and more), so its rules can be deployed on multiple platforms.
 
Hacker 'Handshake' Hole Found In Common Firewalls  13 April 2011 
Source: Network World - Posted by Dave Wreski   
Some of the most commonly-used firewalls are subject to a hacker exploit that lets an attacker trick a firewall and get into an internal network as a trusted IP connection.
 
Facebook and web apps threaten network security  21 February 2011 
Source: v3 - Posted by Anthony Pell   
Traditional firewalls might not be enough, argues Palo Alto Networks founder Nir Zuk. The world is very different from the days when email ruled the roost and Yahoo, not Google, was the first search engine name that rolled off your tongue.
 
2011 tech priorities: Moving to a next-generation firewall  03 January 2011 
Source: Network World - Posted by Alex   
What should enterprises expect if they want to make the transition from a traditional firewall to a next-generation firewall? It starts with a decidedly different way of thinking about security goals associated with a firewall, especially in terms of establishing application-aware controls over employees as they access the Internet, the Web and social networking sites. (See Unbatten the hatches.)
 
Review: Firewall operations management  12 July 2010 
Source: Network World - Posted by Alex   
Anyone running multiple firewalls in a complex, enterprise environment knows how difficult it can be to catch misconfigurations, avoid conflicting rules, identify vulnerabilities and meet auditing and compliance mandates.
 
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