We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.
Internet security is currently a hot topic. Because of that, many smaller networks are turning toward firewalls to give them some protection. Many of these networks do not have the money to pay for a commercial firewall product, so they . . .
Now that relatively high-bandwidth Internet connections are becoming both commonplace and inexpensive, cable modem and DSL users wanting to put more than one computer on the Internet find that their Internet service provider will not allow them to do so. . . .
This article is a basic introduction to firewalls. "Firewalls are an important part of an infrastructure-based security approach. Generally speaking, a firewall is a computer or a network appliance that runs special software that lets network traffic (in the case . . .
This article presents a way to convert any spare machine you have into a useful security gateway for your network, utilizing Network Address Translation (NAT), and the firewalling features present in Linux. This article will assume you have already read . . .
Here's an article on the basics of firewalls. "A firewall puts up a barrier that controls the flow of traffic between hosts, networks and domains. The safest firewall would block all traffic, but that defeats the purpose of the . . .
A firewall puts up a barrier that controls the flow of traffic between hosts, networks and domains. The safest firewall would block all traffic, but that defeats the purpose of the connection. Strict control over selected traffic is needed, according . . .
This newly developed appliance consists of a 1U rackmount server with 64Mb of RAM and a 466Mhz Celeron processor and the popular NetMax Firewall product. "Today Impera Software Corp. announced a release of a secure network appliance based on the . . .
Protectix, Inc.(TM) , the pioneer provider of wholly Open Source security solutions, announced today the ProWall(TM), a dedicated security solution based entirely on open source code. The ProWall is a solution maintaining multiple layers of defense, including a security-focused . . .
Firewall Appliance Installs Easily With Virtually No Technical Knowledge Required and Provides Small and Medium-sized Businesses With More Horsepower for VPNs and a DMZ Port for Secured Public Subnets. Progressive Systems, Inc., a leading provider of network security solutions, . . .
You've just finished implementing your new, shiny firewall. Or perhaps you've just inherited several new firewalls with the company merger. Either way, you are probably curious as to whether or not they are implemented properly. Will your . . .
Many companies - and certainly those who we work with - have an historical problem lurking in the wings. When they first developed and deployed their internal networks, they chose IP addressing schemes that conflict with those assigned to machines . . .
Everybody's talking about using Linux to turn an old486 into a router/firewall for a home or small office network. This article offers step-by-step instructions for setting up such a device using Open Source software from the Linux Router Project . . .
"A few months ago when I was asked to design a firewalling strategy for a local consulting company, I proposed that I would use Linux to create a low cost firewalling solution. Everyone loved the idea from the . . .
Iptables updated on freshmeat. "Iptables is built on top of netfilter: the new packet alteration framework for Linux 2.4. It is an enhancement on ipchains, and is used to control packet filtering, Network Address Translation (masquerading, portforwarding, transparent proxying), and . . .
"Intrusion.com, Inc., a wholly owned subsidiary of ODS Networks, Inc. (Nasdaq: ODSI) and a global provider of security management solutions, today announced the immediate availability of Linux support for its SecureCom(TM) 8000 family of Internet security appliances and chassis systems. . . .
"Earlier this month, Mason was introduced to you, giving you the ability to produce a packet filtering firewall. With the help of that article, you were able to begin securing your machine while allowing everyone who uses it to be . . .
"As a system administrator in a large academic institution, it is obvious to me that network security should be a high priority when planning a network strategy. However, it's not the system administrators that make the decisions and while most . . .
Progressive Systems, Inc., a leading provider of network security solutions, and KDD Network Systems Co., Ltd., one of Japan's largest technology distribution companies, today announced that the Progressive family of Linux-based firewall and VPN solutions will be made available to . . .
"Cisco last week admitted that two security vulnerabilities affecting its PIX firewalls could leave corporate networks open to attack. In an interim security notice, the vendor acknowledged the existence of two related vulnerabilities that both cause its Secure PIX . . .
I see firewalls as a good way to work Linux into the small business environment... "March 21, 2000 - Plenty of opportunity still exists in the firewall market, with small businesses holding the most promise. According to IDC, at the . . .
Like staying secure? So do we.
Sign up for updates, tips, and alerts!
