Smoothwall
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| OS family | Linux |
|---|---|
| Working state | Current |
| Source model | Open source |
| Latest release | 3.1 / October 21, 2014 |
| Latest preview | 3.1 RC5 / April 15, 2014 |
| Kernel type | Linux 2.6.16.53 (stable) / 3.4 (unstable) |
| Default user interface | Web user interface |
| License | Various |
| Official website | www |
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| Developer | Smoothwall Ltd |
|---|---|
| OS family | Linux |
| Working state | Current |
| Source model | Closed source |
| Latest release | Advanced Firewall UTM / Guardian Web Security / Guardian Web Filter / School Guardian |
| Kernel type | Linux 2.6 |
| Default user interface | web user interface |
| License | Commercial |
| Official website | smoothwall.org |
Smoothwall is a private software company based in the UK that develops firewall and web content filtering software especially for schools and businesses, and also maintains the Smoothwall open source project.
Smoothwall is also a Linux distribution designed to be used as an open source firewall. Designed for ease of use, Smoothwall is configured via a web-based GUI, and requires very little or no knowledge of Linux to install or use.
Smoothwall began life as Smoothwall GPL, a freely redistributable version, in August 2000, with a proprietary version sold by Smoothwall Ltd from November 2001. It is now available in several free and paid-for versions.
According to figures released by the company, Smoothwall currently has over 1 million active installations worldwide.
Smoothwall Express, originally Smoothwall GPL, is the freely distributable version of Smoothwall, developed by the Smoothwall Open Source Project team and members of Smoothwall Ltd.
Released in August 2000, Smoothwall GPL was developed by Lawrence Manning and Richard Morrell to provide a quick and easy-to-use solution to the problem of sharing their ISDN connections with the rest of their LAN. Created using Red Hat Linux, Smoothwall GPL originally had two simple functions: control the modem to dial and hang up, and to route TCP/IP packets from the LAN to the Internet connection, and back again. The LAN was hidden from the public network by NAT, applied using ipchains.
Beginning with 0.9 in August 2000, the Smoothwall GPL 0.9.x series went through several versions based on the 2.2 Linux kernel, culminating in 0.9.9 SE in December 2001, which was probably the most popular GPL release. Each release led to a number of improvements, including PAT (port address translation), DMZ, PSTN and ISDN dial-up support, broadband (ADSL and Cable) support.
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