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Most vital projects in this category:
1. ferm
2. Firewall Builder
3. fwknop

Most popular projects in this category:
1. Nmap Security Scanner
2. Astaro Security Linux
3. MailScanner

 Articles about this category

 463 projects found

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  1. Nmap Security Scanner
A tool for network exploration, administration, and security scanning.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Fyodor
Screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based), Win32 (MS Windows), X11 Applications
[Intended Audience]  End Users/Desktop, System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  MacOS X, Microsoft, POSIX
[Programming Language]  C
[Topic]  Security, System :: Networking, System :: Networking :: Firewalls
Added: 25-Sep-1998
Updated: 13-Dec-2007
Rating: 8.90/10.00
Vitality: 0.12%
Popularity: 42.16%
License: GNU General Public License (GPL)
Version: 4.50

  2. Astaro Security Linux
A firewall that features packet filtering, proxies, content filtering, and VPN.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: astaro
Screenshot
[Environment]  Console (Text Based)
[Intended Audience]  End Users/Desktop, System Administrators
[License]  Free For Home Use, Free for non-commercial use, Other/Proprietary License with Free Trial
[Operating System]  POSIX :: Linux
[Topic]  System :: Networking :: Firewalls
Added: 22-Nov-2000
Updated: 07-Jul-2008
Rating: 8.97/10.00
Vitality: 1.47%
Popularity: 28.00%
License: Free For Home Use
Version: 7.201

  3. MailScanner
An email virus scanner, vulnerability protector, and spam handler.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Julian Field
Screenshot
[Development Status]  5 - Production/Stable
[Environment]  No Input/Output (Daemon)
[Intended Audience]  System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX, POSIX :: AIX, POSIX :: BSD, POSIX :: HP-UX, POSIX :: Linux, POSIX :: Other, POSIX :: SunOS/Solaris
[Programming Language]  Perl, Unix Shell
[Topic]  Communications :: Email, Communications :: Email :: Filters, System :: Networking :: Firewalls
Added: 12-Aug-2001
Updated: 07-Jun-2006
Rating: 8.73/10.00
Vitality: 0.03%
Popularity: 20.71%
License: GNU General Public License (GPL)
Version:

  4. iptables
A Linux kernel packet filter control tool.
Homepage Tar/BZ2 Changelog Subscribe Ignore Rate   Author: Harald Welte
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based)
[Intended Audience]  End Users/Desktop, System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Programming Language]  C
[Topic]  Internet, Security, System :: Networking, System :: Networking :: Firewalls
Added: 20-Mar-2000
Updated: 19-Jun-2008
Rating: 8.79/10.00
Vitality: 0.22%
Popularity: 20.58%
License: GNU General Public License (GPL)
Version: 1.4.1.1

  5. Firewall Builder
Multi-platform firewall management software.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Vadim Kurland
Screenshot
[Development Status]  5 - Production/Stable
[Environment]  X11 Applications :: Qt
[Intended Audience]  System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: BSD :: FreeBSD, POSIX :: Linux
[Programming Language]  C, C++
[Topic]  System :: Networking :: Firewalls
Added: 10-Jan-2001
Updated: 22-Jul-2008
Rating: 8.57/10.00
Vitality: 5.38%
Popularity: 18.87%
License: GNU General Public License (GPL)
Version: 2.1.19

  6. Arno's IPTABLES Firewall Script
An iptables firewall script with support for ADSL/DSL modems.
Homepage Tar/GZ Subscribe Ignore Rate   Author: Arno
No screenshot
[Development Status]  5 - Production/Stable, 6 - Mature
[License]  OSI Approved :: GNU General Public License (GPL), OSI Approved :: GNU General Public License v2
[Operating System]  POSIX :: Linux
[Programming Language]  Unix Shell
[Topic]  System :: Networking, System :: Networking :: Firewalls
Added: 24-Mar-2002
Updated: 26-May-2008
Rating: 8.67/10.00
Vitality: 0.19%
Popularity: 12.88%
License: GNU General Public License (GPL)
Version: 1.9.0-beta3

  7. IPTables-tutorial
A tutorial which explains how to install and set up iptables and netfilters.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Oskar Andreasson
No screenshot
[License]  OSI Approved :: GNU Free Documentation License (FDL), Other/Proprietary License
[Operating System]  POSIX :: Linux
[Topic]  Security, System :: Networking, System :: Networking :: Firewalls
Added: 02-Aug-2001
Updated: 20-Nov-2006
Rating: 8.69/10.00
Vitality: 0.01%
Popularity: 11.85%
License: GNU Free Documentation License (FDL)
Version: 1.2.2

  8. Bandwidth Management Tools
A total bandwidth management solution for Linux.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Nigel Kukard
Screenshot
[Development Status]  4 - Beta
[Environment]  Console (Text Based) :: Curses
[Intended Audience]  System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Programming Language]  C
[Topic]  Internet, Internet :: WWW/HTTP :: Site Management, System :: Logging, System :: Monitoring, System :: Networking, System :: Networking :: Firewalls, System :: Networking :: Monitoring, Text Processing :: Markup :: XML
Added: 16-Jun-2003
Updated: 02-Jan-2008
Rating: 8.18/10.00
Vitality: 0.02%
Popularity: 11.07%
License: GNU General Public License (GPL)
Version: 0.3.0

  9. OpenVPN
OpenVPN is a robust and highly configurable VPN daemon.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: James Yonan
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  No Input/Output (Daemon)
[Intended Audience]  End Users/Desktop, System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  MacOS X, Microsoft :: Windows, POSIX :: BSD :: FreeBSD, POSIX :: BSD :: NetBSD, POSIX :: BSD :: OpenBSD, POSIX :: Linux, POSIX :: SunOS/Solaris
[Programming Language]  C
[Topic]  Security :: Cryptography, System :: Networking :: Firewalls
Added: 25-Mar-2002
Updated: 22-May-2007
Rating: 8.72/10.00
Vitality: 0.01%
Popularity: 10.91%
License: GNU General Public License (GPL)
Version:

  10. Port Scan Attack Detector
Makes use of iptables to detect, alert, and respond to port scans.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Michael Rash
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based)
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Programming Language]  Perl
[Topic]  System :: Networking :: Firewalls, System :: Networking :: Monitoring
Added: 15-Apr-2001
Updated: 13-Jun-2008
Rating: 8.49/10.00
Vitality: 0.33%
Popularity: 10.02%
License: GNU General Public License (GPL)
Version: 2.1.3

  11. Securepoint Security Suite
A firewall, VPN, antivirus, content/spam filter software.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Lutz Hausmann
Screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based)
[Intended Audience]  End Users/Desktop, System Administrators
[License]  Free for non-commercial use, Freely Distributable
[Operating System]  POSIX :: Linux
[Topic]  Communications, Internet, Security, Security :: Cryptography, System :: Networking :: Firewalls, System :: Networking :: Monitoring, System :: Operating System Kernels :: Linux, System :: Software Distribution, System :: Systems Administration
Added: 10-Nov-2000
Updated: 24-Sep-2007
Rating: 7.64/10.00
Vitality: 0.03%
Popularity: 9.81%
License: Free for non-commercial use
Version: 2007nx Beta

  12. Shoreline Firewall
An iptables-based firewall for Linux systems.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Tom Eastep
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based)
[Intended Audience]  System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Programming Language]  Unix Shell
[Topic]  System :: Networking, System :: Networking :: Firewalls, System :: Systems Administration
Added: 14-Mar-2001
Updated: 22-Oct-2007
Rating: 8.66/10.00
Vitality: 0.02%
Popularity: 8.22%
License: GNU General Public License (GPL)
Version: 4.0.5

  13. Coyote Linux
A mini distribution for easily setting up network utility devices.
Homepage Zip Subscribe Ignore Rate   Author: Joshua Jackson
No screenshot
[Development Status]  4 - Beta, 5 - Production/Stable
[Environment]  Console (Text Based)
[Intended Audience]  End Users/Desktop
[License]  Free for non-commercial use, Free To Use But Restricted, OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Topic]  System :: Networking, System :: Networking :: Firewalls, System :: Operating System
Added: 29-Nov-1999
Updated: 22-Apr-2008
Rating: 8.54/10.00
Vitality: 0.03%
Popularity: 7.26%
License: GNU General Public License (GPL)
Version: 2.24

  14. fwlogwatch
Firewall log analyzer, incident report generator, and realtime response agent.
Homepage Tar/GZ Subscribe Ignore Rate   Author: Boris Wesslowski
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based), No Input/Output (Daemon), Web Environment
[Intended Audience]  System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: BSD, POSIX :: Linux, POSIX :: SunOS/Solaris
[Programming Language]  C
[Topic]  Internet :: Log Analysis, Security, System :: Networking :: Firewalls, System :: Networking :: Monitoring
Added: 22-Oct-2000
Updated: 17-Apr-2006
Rating: 8.24/10.00
Vitality: 0.01%
Popularity: 7.22%
License: GNU General Public License (GPL)
Version: 1.1

  15. FireHOL
Stateful packet filtering configurator: an iptables firewall for humans.
Homepage Tar/BZ2 Subscribe Ignore Rate Hosted on SourceForge.net   Author: Costa Tsaousis
No screenshot
[Development Status]  5 - Production/Stable, 6 - Mature
[Environment]  Console (Text Based)
[Intended Audience]  Advanced End Users, Developers, End Users/Desktop, System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Network Environment]  IP :: IPv4
[Operating System]  POSIX :: Linux
[Programming Language]  Unix Shell :: Bash
[Topic]  Internet, Security, System :: Networking :: Firewalls
Added: 06-Sep-2002
Updated: 22-May-2007
Rating: 8.90/10.00
Vitality: 0.01%
Popularity: 6.87%
License: GNU General Public License (GPL)
Version: R5 v1.256

  16. CGIProxy
An anonymizing, filter-bypassing, HTTP/FTP proxy in a CGI script.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: James Marshall
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Web Environment
[Intended Audience]  End Users/Desktop, System Administrators
[License]  Free for non-commercial use
[Operating System]  OS Independent
[Programming Language]  Perl
[Topic]  Communications :: File Sharing, Internet :: WWW/HTTP, Internet :: WWW/HTTP :: Browsers, Other/Nonlisted Topic, System :: Networking, System :: Networking :: Firewalls, Utilities
Added: 10-Feb-1999
Updated: 12-Mar-2008
Rating: 8.37/10.00
Vitality: 0.07%
Popularity: 6.76%
License: Free for non-commercial use
Version: 2.1beta17

  17. p0f
A passive OS fingerprinting tool.
Homepage Tar/GZ Subscribe Ignore Rate   Author: The Evil Twin
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based), No Input/Output (Daemon)
[Intended Audience]  End Users/Desktop, Other Audience, System Administrators
[License]  OSI Approved :: GNU Lesser General Public License (LGPL)
[Operating System]  MacOS X, Microsoft :: Windows, POSIX :: AIX, POSIX :: BSD, POSIX :: Linux, POSIX :: SunOS/Solaris, Unix
[Programming Language]  C
[Topic]  Security, System, System :: Networking :: Firewalls, System :: Networking :: Monitoring, System :: Systems Administration, Utilities
Added: 19-Aug-2003
Updated: 06-Sep-2006
Rating: 8.54/10.00
Vitality: 0.00%
Popularity: 6.75%
License: GNU Lesser General Public License (LGPL)
Version: 2.0.8

  18. m0n0wall
An all-in-one embedded firewall software package with a Web interface.
Homepage Changelog Subscribe Ignore Rate   Author: Manuel Kasper
Screenshot
[Development Status]  5 - Production/Stable
[License]  OSI Approved :: BSD License (revised)
[Operating System]  POSIX :: BSD :: FreeBSD
[Programming Language]  PHP
[Topic]  System :: Networking :: Firewalls
Added: 13-Apr-2003
Updated: 10-Jul-2008
Rating: 8.71/10.00
Vitality: 0.53%
Popularity: 6.68%
License: BSD License (revised)
Version: 1.233

  19. ClarkConnect Internet Server/Gateway
A Linux-based small business server and gateway.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Point Clark Networks
Screenshot
[Development Status]  5 - Production/Stable
[Intended Audience]  End Users/Desktop
[License]  OSI Approved :: GNU General Public License (GPL), Other/Proprietary License, Other/Proprietary License with Source, Public Domain
[Programming Language]  C, Perl, PHP
[Topic]  Internet, System :: Networking :: Firewalls
Added: 16-Oct-2000
Updated: 25-Mar-2008
Rating: 8.37/10.00
Vitality: 0.10%
Popularity: 6.19%
License: GNU General Public License (GPL)
Version: 4.2 SP1

  20. floppyfw
A Linux firewall on a single floppy.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Thomas ez Lundquist
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Text Based)
[Intended Audience]  End Users/Desktop
[License]  Freely Distributable
[Operating System]  POSIX :: Linux
[Topic]  Security, System :: Networking :: Firewalls
Added: 08-Jan-2000
Updated: 13-Jan-2008
Rating: 8.34/10.00
Vitality: 0.07%
Popularity: 6.18%
License: Freely Distributable
Version: 3.0.5

  21. DeleGate
A multi-purpose application level gateway and proxy.
Homepage Tar/GZ Changelog Subscribe Ignore Rate   Author: Yutaka Sato
No screenshot
[Development Status]  5 - Production/Stable
[Environment]  No Input/Output (Daemon)
[Intended Audience]  Advanced End Users, System Administrators
[License]  Freely Distributable
[Network Environment]  IP :: IPv4, IP :: IPv6
[Operating System]  MacOS X, Microsoft :: Windows, Unix
[Topic]  Internet :: File Transfer Protocol (FTP), Internet :: Proxy Servers, Internet :: WWW/HTTP :: HTTP Servers, Security :: Cryptography, System :: Networking :: Firewalls
Added: 30-Jun-1998
Updated: 23-Oct-2007
Rating: 8.26/10.00
Vitality: 0.08%
Popularity: 6.01%
License: Freely Distributable
Version: 9.7.5

  22. Linux FreeS/WAN
An IPSEC and IKE implementation for secure VPNs.
Homepage Tar/GZ Subscribe Ignore Rate   Author: The Free/SWAN project
Screenshot
[Environment]  No Input/Output (Daemon)
[Intended Audience]  End Users/Desktop, System Administrators
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Topic]  System :: Networking :: Firewalls, System :: Operating System Kernels :: Linux
Added: 13-Apr-1999
Updated: 23-Aug-2004
Rating: 8.06/10.00
Vitality: 0.00%
Popularity: 5.98%
License: GNU General Public License (GPL)
Version: 2.06

  23. Devil-Linux
A secure Linux distribution on CD for firewalls, routers, gateways, and servers.
Homepage Tar/BZ2 Subscribe Ignore Rate   Author: Heiko Zuerker
Screenshot
[Development Status]  5 - Production/Stable
[Environment]  Console (Framebuffer Based), Console (Text Based)
[License]  OSI Approved :: GNU General Public License (GPL)
[Operating System]  POSIX :: Linux
[Topic]  Security, System :: Networking :: Firewalls, System :: Operating System :: Linux Distributions :: CD-Based
Added: 29-Jul-2001
Updated: 25-Jul-2008
Rating: 8.51/10.00
Vitality: 0.04%
Popularity: 5.86%
License: GNU General Public License (GPL)
Version: 1.2.15

  24. TrinityOS
A step-by-step guide to securing, tuning, and enabling services for Linux.
Homepage Tar/GZ