Uncomplicated Firewall

Uncomplicated Firewall (UFW) is a program for managing a netfilter firewall designed to be easy to use. It uses a command-line interface consisting of a small number of simple commands, and uses iptables for configuration. UFW is available by default in all Ubuntu installations after 8.04 LTS.[1]

Uncomplicated Firewall
Stable release
0.36-7[1] / October 22, 2020 (2020-10-22)
Repository
Written inPython
Operating systemLinux
LicenseGNU General Public License
Websitelaunchpad.net/ufw, manpages.ubuntu.com/manpages/bionic/en/man8/ufw.8.html

GUIs for Uncomplicated Firewall
Gufw (GUI for Uncomplicated Firewall)
GUI for Uncomplicated Firewall
Original author(s)Gufw Developers
Stable release
Repository
Written inPython, PyGObject
Operating systemLinux
PlatformGTK
Available inMore languages
LicenseGNU General Public License
Websitegufw.org
kmyfirewall
Developer(s)KLajos et al.
Repository
Operating systemLinux
PlatformQt
LicenseGNU General Public License
Websitelaunchpad.net/ufw 
UFW KControl Module
Repository
Operating systemLinux
PlatformQt
LicenseGNU General Public License
Websitewww.linux-apps.com
UFW Frontends
Original author(s)Darwin Bautista
Stable release
0.3.2 / 2012 (2012)
Repository
Written inPython, PyGTK
Operating systemLinux
PlatformPyGTK
LicenseGNU General Public License
Websitegithub.com/baudm/ufw-frontends

Gufw is intended to be an easy, intuitive graphical user interface for managing Uncomplicated Firewall. It supports common tasks such as allowing or blocking pre-configured, common P2P, or individual ports. Gufw has been designed for Ubuntu, but is also available in Debian-based distributions and in Arch Linux; anywhere Python, GTK and UFW are available.

Features
Netfilter feature[2] 0.16.2
(8.04 LTS)		 0.30
(10.04 LTS)		 0.31.1-1
(12.04 LTS)		 0.34-0
(14.04 LTS)		 0.35-0
(16.04 LTS)
Default incoming policy (allow/deny)YesYesYesYesYes
Allow/deny incoming rulesYesYesYesYesYes
IPv6YesYesYesYesYes
StatusYesYesYesYesYes
Logging (on/off)YesYesYesYesYes
Extensible frameworkYesYesYesYesYes
Application integration—YesYesYesYes
Limit incoming rules (rate limiting)—YesYesYesYes
Multiport incoming rules—YesYesYesYes
debconf/preseeding—YesYesYesYes
Default incoming policy (reject)—YesYesYesYes
Reject incoming rules—YesYesYesYes
Rule insertion—YesYesYesYes
Log levels—YesYesYesYes
Per rule logging—YesYesYesYes
Outgoing filtering (on par with incoming)—YesYesYesYes
Filtering by interface—YesYesYesYes
Bash completion—YesYesYesYes
Upstart support—YesYesYesYes
Improved reporting—YesYesYesYes
Reset command—YesYesYesYes
rsyslog support—YesYesYesYes
Delete by rule number—YesYesYesYes
Python 2.6 support——YesYesYes
'show listening' report——YesYesYes
Python 2.7 support——YesYesYes
Increased protocol support (ah, esp)——YesYesYes
IPv6 rate limiting via 'limit' command———YesYes
Python 3.2 support———YesYes
Python 3.3 support———YesYes
'show added' report———YesYes
Python 3.4 support———YesYes
Before/after extensibility hooks———YesYes
Routed packet filtering (FORWARD)———YesYes
systemd support————Yes
Increased protocol support (igmp, gre)————Yes
Python 3.5 support————Yes
Snappy for Ubuntu Core support————Yes
Per rule comments————Yes

References
  1. "UncomplicatedFirewall". Ubuntu. Retrieved 26 December 2019.
  2. "UFW in Ubuntu". Ubuntu. Retrieved 21 November 2016.
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