Linux Firewall - Page 15
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.
We have thousands of posts on a wide variety of open source and security topics, conveniently organized for searching or just browsing.
The firewall, which has served as the sentry between the outside world of the Internet and the internal agency network, may be moving inside the network perimeter to World Wide Web servers, PCs, modems and silicon chips. Such internal firewalls . . .
... "Such internal firewalls -- known as distributed firewalls -- are the next line of defense against hackers who breach traditional firewalls by exploiting open ports and e-mail servers. Network managers tend to see distributed firewalls as added firepower against . . .
Here is an interesting FAQ that you may want to consider reading. "This FAQ describes basic Linux Ethernet connection and home LAN configuration. Particular emphasis is placed on network security and firewall construction. The examples are based on Red Hat Linux . . .
This LG article discusses configuring an old 486 machine as a secure Internet gateway with two ethernet interfaces. "When finished this will be a very lean install, weighing in at about 130 MB plus swap, there will be no X . . .
This is an introductory document describing firewalls and performing an installation of TheEdge FirePlug. "Edge FirePlug is a very well-designed firewall solution from FirePlug Computers, Inc. in Vancouver, BC. One of the reasons I chose Edge FirePlug (just called . . .
This article documents how to setup a firewall using a PPP dialup with FreeBSD and IPFW, and specifically with firewalling over a dialup with a dynamically assigned IP address. It does not cover how to setup a standard PPP . . .
In mid-May, Linux.com released Part 1 - 'An Introduction to IP Masquerading.' Here is 2nd and final part of this article. "Now that relatively high-bandwidth Internet connections are becoming both commonplace and inexpensive, cable modem and DSL users wanting . . .
We are linking our company to the Internet, and we are discussing the placement of the firewall. I feel that the firewall should reside in-house for the best security; others want to put the firewall at our ISP and run . . .
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 . . .