Seven Easy-to-use Linux firewalls

Reprinted Source: http:// OS .51cto.com/art/201006/207036.htm

According to foreign media reports, over time, more and more users began to rely on the Internet to work, learn, and entertain, which led to more and more Internet attacks, this makes users' computers face a lot of potential risks every day.

To defend against these network threats, major security vendors have successively launched various types of firewalls. As the name suggests, a firewall is a device that helps ensure information security. It allows or restricts the transmission of data according to specific rules. In this way, data that threatens users' computers will be rejected by the firewall.

The following describes seven Linux Firewall suites:

1. clearos:

Clearos is a network and gateway server designed for small businesses and distributed environments. It is based on centos, and this is a clone of Red Hat Enterprise Linux. This release contains a full set of features and integration services, allowing you to easily configure them through an intuitive, web-based interface. Some clearos tools include anti-virus, anti-spam, virtual private network, content filtering, network bandwidth manager, SSL authentication, and web log analysis.ProgramAnd these are only part of the available modules. This release is provided through free download, which includes 18 months of free security updates.

Clearos

Click here to download clearos.

2. ipcop:

User-friendly, versatile, and fast-running color coding release; ipcop Firewall is a firewall suite for Linux environments, mainly for users of household and Soho (small office/Home Office. According to the developer's introduction, the ipcop interface is very user-friendly and task-based. Like other Firewall Products, ipcop firewall is located between the user's work area and the Internet connection. It monitors and manages various information through some TCP/IP business rules. Generally, users' access to the outside world, including FTP and email, is not affected. However, when some unfamiliar Services attempt to enter the user environment, ipcop rejects the response and records the response. So that user operations are not affected.

In short, ipcop is a Linux kernel-based free soft routing software (or a system ?), It is a very easy-to-use router software. It has very low hardware requirements and very low machine performance requirements. As long as the minimum hardware requirement of ipcop is a 386 processor installed, 32 MB memory and a MB hard drive "antique-level" machine. And stable operation, so it was praised by the majority of users.

Ipcop

Ipcop: Click here for download.

3. EBox platform:

EBox platform is an integrated network server that provides simple and effective computer network management for small and medium-sized enterprises. It can be used as a gateway, infrastructure management workstation, risk management workstation, office server, communication server or the above integration. These functions are tightly integrated to automatically complete most tasks, avoiding errors and saving system management time. EBox platform is published under the GNU Public License (GPL) and runs on Ubuntu.

EBox Platform

EBox platform: Click here for download.

4. m0n0wall:

M0n0wall is a complete and embedded firewall software package. It can be installed in Embedded PCs and provides all the important features (including ease of use) of commercial firewalls ), the price is only a fraction of that of commercial firewalls (free software ). M0n0wall is based on bare-bones version of FreeBSD, including a web server, PHP and other tool software. The configuration of the entire system is saved in an XML file.

M0n0wall may be the first UNIX system configured through PHP at startup, which is better than using shell scripts. The configuration of the entire system is saved in XML format.

Monowall

Monowall: Click here for download.

5. pfsense:

Pfsense is derived from the m0n0wall operating system. The technologies used include packet filter, FreeBSD 6.x( or Dragonfly BSD, if altq and carp are completed) altq (with excellent support for grouping queues ), integrated Package Management System (new features for its environment ).

Pfsense

Pfsense: Click here to download.

6. smoothwall Express:

It is easy to use, reliable, and highly secure. It is a highly customizable free open-source software. Smoothwall is a series of internet security products designed to protect your users and networks from external attacks. Smoothwall Express is based on the Linux operating system. Linux is an ideal choice for security systems. It is trustworthy, secure, highly customizable, and free to obtain its open source code. Smoothwall contains a set of reinforced GNU/Linux operating systems. Therefore, you do not need to install other systems. Smoothwall is designed to be easy to use and configured on a web-based graphical user interface. It does not require users to have Linux knowledge to install and use.

Smoothwall Express

Smoothwall Express: Click here for download.

7,Smoothwall advanced: A paid firewall with more functions.

Although it is a paid firewall, its powerful performance cannot be ignored. He is the preferred anti-virus software for many small and medium-sized enterprises. A simple way to avoid this situation is to provide your own hardware, and the latest smoothwall advanced firewall can save the recycle factory or even modestly designated systems.

Smoothwall advanced