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What is iceweasel?

Iceweasel is a fork [from Firefox] with the following purpose :

  1. backporting of security fixes to declared Debian stable version.

  2. no inclusion of trademarked Mozilla artwork (because of #1 above)

Beyond that, they will be basically identical. (quoting Roberto C. Sanchez post in debian-devel mailing list)

How to install Iceweasel (Firefox)

To install Iceweasel, simply do:

Native language versions are also available (like iceweasel-l10n-fr).

The Debian Mozilla team also provides newer Iceweasel versions that are not yet in the official repositories.

Plugin

The plugin directory is

while Debian-based xul-ext plugins can be found at

or something like

/usr/lib/mozilla/extensions/{ec8030f7-c20a-464f-9b0e-13a3a9e97384 (this is of xul-ext-https-everywhere)

for more info on iceweasel plugins, refer to the plugins section of the Mozilla page.

User Agent String

IceWeasel's user agent strings (at the time of writing... ) is :

Some application are checking the browser's user agent string, which prevent you from accessing the site. You can change the user agent string manually or with the User Agent Switcher plugin.

You can use the User Agent Switcher plugin, then download a UA profile :

or

To change the user agent string manually so that your browser is identified as 'Firefox' instead of 'Iceweasel'. Do the following.

Debian-Mozilla site

This is a resource where you can get the latest iceweasel release which would eventually make it way into Debian's experimental, unstable and finally to testing and then stable. Usually the releases make their way to Debian unstable and then go downwards while the beta versions are released to experimental. Most of the aurora releases can be found at the mozilla.debian.netrepo.

SSL / Secure Connection warning

The message :

Can be disabled. see : http://changetheworldwithyourpassion.blogspot.com/2008/07/turn-off-secure-connection-failed-in.html

Troubleshooting

  1. My iceweasel is consistently crashing on a website
  2. First run iceweasel without loading any extensions and see if the problem persists. This can be done by using the -safe-mode option

    iceweasel -safe-mode

    mv ~/.mozilla/iceweasel ~/old_iceweasel
    iceweasel &

Unsupported Browser Error

See also