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A firewall controls what programs can access the Internet. Find information about configuring your firewall to allow Firefox access to the Internet.

A personal firewall is a security program that oversees all of your computer's connections to the Internet. It may be included as part of an Internet security suite, or it may be a free-standing program. Most personal firewalls will deny Internet access to any program, or a new version of any program, unless you have specifically allowed access. This article will help you find information about configuring your firewall to work with Firefox. {note}'''Note''': In some cases, disabling an Internet security program or firewall does not stop all of its parts from being active. A program that reports that it is disabled may still be able to block Firefox.{/note} {for win} __TOC__ = Find out which firewall is installed = If you know which firewall or Internet security suite you are running, skip to [[#w_configuring-firewalls|the next section]]. Depending on your Windows version, do the following: * '''Windows 7''': Find it under the Security section in Windows Action Center. For more information, see [http://windows.microsoft.com/en-US/windows7/What-is-Action-Center What is Action Center?] at microsoft.com. * '''Windows XP SP3/Vista''': Find it under the Firewall section in Windows Security Center. For more information, see [http://windows.microsoft.com/en-US/windows-vista/Using-Windows-Security-Center Using Windows Security Center] at microsoft.com. If you can't still detect your firewall with the above steps, try to run '''Enum Process''' (''not created by Mozilla'') that is an application that detects many common firewalls: # Download [http://www.trolly.homepage.t-online.de/EnumProcess.exe Enum Process]. # After downloading, double-click {filepath EnumProcess.exe}. # Select {button Run}. # In the drop-down menu to the right, select '''Simple'''.<br/> <br/>[[Image:simple_enumprocess.PNG]]<br/> # Click {button List Processes}.<br/> <br/>[[Image:listprocesses_enumprocess.PNG]]<br/> {/for} = Configuring firewalls = {for win} * [[Configuring AVG Internet Security|AVG Internet Security]] * [http://www.avira.com/en/support-for-home-knowledgebase-detail/kbid/567 Avira Premium Security Suite (Avira Knowledge Base)] * [[Configuring BitDefender Internet Security|BitDefender Internet Security]] * [[Configuring CA Internet Security Suite|CA Internet Security Suite]] * [[Configuring Comodo Internet Security|Comodo Internet Security]] * [[Configuring Comodo Firewall Pro|Comodo Firewall Pro]] * [[Configuring F-Secure Internet Security|F-Secure Internet Security]] * [[Configuring Kaspersky Internet Security|Kaspersky Internet Security]] * [[Configuring McAfee Internet Security|McAfee Internet Security 2009 or 2010]] * [[Configuring McAfee Security Center|McAfee Security Center]] (McAfee Total Protection, McAfee AntiVirus, or McAfee Internet Security 2011) * [[Configure Norton 360 to work with Firefox|Norton 360]] * [[Configuring Norton Internet Security|Norton Internet Security]] * [[Configuring Online Armor Free|Online Armor Free]] * [[Configuring Panda Internet Security|Panda Internet Security]] * [[Configuring Trend Micro Internet Security|Trend Micro Internet Security]] * [[Configuring Windows Firewall|Windows Firewall]] * [[Configuring ZoneAlarm Free Firewall|ZoneAlarm Free Firewall]] {/for} {for mac} *[http://support.apple.com/kb/ht1810 Application Firewall] {/for} {for linux} Go to your distribution's firewall documentation. {/for} [[Template:ShareArticle|link=http://mzl.la/MCscTj]]