How to Replicate the Fire: HA for Netfilter Based Firewalls
White Papers With Linux 2.4.x netfilter/iptables, the Linux firewalling code moves beyond traditional packet filtering. Netfilter provides a modular connection tracking susbsystem which can be employed for stateful firewalling.
[November 11, 2009, 12:49]
Linux kernel to include IPv6 firewall
News Netfilter/iptables, the firewall engine that is part of the Linux kernel, already allows stateless packet filtering for versions 4 and 6 of the Internet protocol, but only allows stateful packet filtering for IPv4.
[February 21, 2005, 14:10]
Defender of the Linux faith
News For example, there is an error message in the Netfilter code that says, "Rusty needs more caffeine. Welte is one of the core developers of the Linux kernel firewall engine Netfilter/iptables and the maintainer of the packet filter subsystem in the...
[March 17, 2005, 12:35]
Flaw weakens Linux security software
News The flaw, which affects versions 2.4.14 through 2.4.18-pre9 of the Linux kernel, is in a component of the Netfilter firewall software. Netfilter, among the new aspects of the 2.4 version of the Linux kernel, is software that runs within the kernel...
[March 1, 2002, 10:08]
A Personal Firewall for Linux
White Papers This paper constitutes the investigation and development of a user-friendly tool for firewall-configuration and -management, based on the netfilter/iptables-firewall-code residing in current Linux-kernels.
[June 25, 2008, 1:01]
Design and Implementation of Split TCP in the Linux Kernel
White Papers The main contributions of New Jersey Institute of Technology work are the design and implementation of "Split TCP" using Netfilter Hooks in the Linux kernel, and the use of IP over IP for transport. With all its history of reliable performance, the...
[February 2, 2009, 0:00]
Linux vendors release security patches
News Another vulnerability in the Linux system components used to route network traffic could allow a malicious person to execute a local DoS attack by inserting erroneous information into the netfilter data stream, according to SuSE.
[January 14, 2005, 7:50]
Set up a Linux firewall with ease using Firestarter
News You will also need to have either ipchains or netfilter/iptables installed, depending on which kernel you're running. Now, we're going to look at a front-end graphical user interface (GUI) you can use not only foriptables but for ipchains; as well.
[April 26, 2002, 9:26]
Open-source experts deride SCO's 'evidence'
News The other snippet they showed was apparently from the 'netfilter' code, which is not old Unix, but is definitely BSD-licensed and freely usable," he added. SCO's display of code it alleges was copied into the Linux kernel by IBM -- a piece of...
[August 20, 2003, 9:00]
Open-source code finder aims to prevent lawsuits
News Such lawsuits have already taken place, including a recent case where the author of open-source networking software netfilter successfully sued Dutch company, Sitecom, for breaching the General Public License (GPL).
[October 18, 2004, 18:10]
Tech investments: Should you go for low cost or capability for growth?
News You might use a low-cost software firewall solution to protect the LAN, such as a Linux machine running ipchains (a simple packet filtering firewall), iptables/Netfilter (a stateful firewall included in versions 2.4.x of the Linux kernel...
[June 21, 2006, 16:15]
German court convicts Skype of GPL breach
News Welte leads netfilter, the packet-filtering framework inside the Linux 2.4.x and 2.6.x kernel. A German court has ruled that Skype violated the General Public License version 2 by selling a Linux-based phone without access to the source code.
[July 25, 2007, 16:04]
Securely setting up a Linux PC
News The Mandriva package called Shorewall along with a component of the Linux kernel called Netfilter provides a software firewall. Your purpose Linux, like Microsoft Windows, is simply a computer operating system but Linux in itself is not a magic...
[December 14, 2005, 11:40]
