Firewall - Page 16

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

An Introduction to UFW, Ubuntu’s ‘Uncomplicated’ Firewall

Iptables are the cornerstone for configuring firewalls and managing network traffic in Linux. For the uninitiated, iptables can be complex and intimidating. However, most Linux distributions provide simpler front-end interfaces to manage iptables rul...
Dec 31, 2023
  356

The Open Source Firewall – IPFire 2.27 – Core Update 173 Released: What’s New?

Get ready to experience the best of IPFire 2.27 – Core ...
Mar 01, 2023
  786
32.Lock Code Circular Esm H115

IPFire Hardened Linux Firewall Distro Is Now Powered by Linux Kernel 6.1 LTS

IPFire 2.27 Core Update 173 is out to introduce support...
Feb 28, 2023
  749
20.Lock AbstractDigital Circular Esm H115

Discover Firewalls News

LS Hmepg 337x500 34 Esm H200

Freshmeat: iptables

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

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 . . .

LS Hmepg 337x500 34 Esm H200

Intrusion.com Delivers First Linux VPN-1/FireWall-1 Appliance

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

"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. . . .

LS Hmepg 337x500 34 Esm H200

Building an ATM Firewall with BSD

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

"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 . . .

LS Hmepg 337x500 34 Esm H200

Linux Firewall Appliance To Be Distributed In Japan

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

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 . . .

LS Hmepg 337x500 34 Esm H200

Cisco admits to serious PIX firewall flaw

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

"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 . . .

LS Hmepg 337x500 34 Esm H200

How will you spend your lunch hour?

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

Here is a very well written article on building packet filtering firewalls... "How about building a packet filtering firewall? OK, there are more interesting things to do. Like, maybe, eating lunch. *smile* But we'll find time for that too. Grab . . .

LS Hmepg 337x500 34 Esm H200

IP Filter Based Firewalls HOWTO

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

IP Filter is a neat little firewall package. It does just about everything other free firewalls (ipfwadm, ipchains, ipfw) do, but it's also portable and does neat stuff the others don't. This document is intended to make some . . .

LS Hmepg 337x500 34 Esm H200

Using the Mason Firewall Builder

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

Using the Mason firewall tool, you can easily construct a packet filtering firewall. Mason constructs a firewall for you by listening on your network for normal data and building the rules accordingly. . . .

LS Hmepg 337x500 34 Esm H200

LWN reviews two firewalling books

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

Linux Weekly News gives mostly a thumbs down to Linux Firewalls as well as Building Linux and OpenBSD Firewalls. Read their review to learn of some good points, as well as the bad. "Here we review two Linux firewalling . . .

LS Hmepg 337x500 34 Esm H200

Firewall and Load Balancer Combination

data:image/svg+xml,%3Csvg%20xmlns=%22http://www.w3.org/2000/svg%22%20viewBox=%220%200%20100%20100%22%3E%3C/svg%3E

When if comes to maintaining a network with mulitiple high availability servers load balancing can become a critical issue. Load balancing not only offers the ability to distribute a large number of requests over multiple servers, but can . . .

Sign Up

Get the Latest News & Insights

Sign up to get the latest security news affecting Linux and open source delivered straight to your inbox.

© 2024 Guardian Digital, Inc All Rights Reserved