Firefox Security Configuration 2008

This is a tutorial to configure Firefox defensively for the web and help protect against MITM attacks, IFRAME attacks, SSL attacks and other security threats not mentioned.

These configurations can be applied to Iceweasel and Linux as well.

Just replace Tools > Options with Edit > Preferences


Firefox Security Config 2008


Tools > Options > Content > Check Block pop-up windows

Tools > Options > Privacy > History > Uncheck:

Remember visited pages for the last 0 days
Remember what I enter in forms and the search bar
Remember what i've downloaded


Tools > Options > Privacy > Cookies

Check Accept cookies from sites
Keep until: I close Firefox

You can add another layer of security by using Spyware Blaster.


Tools > Options > Privacy > Private Data

Check Always clear my private data when I close Firefox
Settings button: Everything should be checked in this window.


Tools > Options > Security > Check

Warn me when site try to install add-ons
Tell me if the site I am visiting is a suspected forgery


Tools > Options > Security > Passwords > Uncheck

Remember passwords for sites
Use a master password


Tools > Options > Advanced > Network > Cache

Press Clear Now Button
Set to Use up to 0 MB of space for the cache


Type about:config in the url bar.

Edit these settings to display:

browser.cache.disk.capacity 0
browser.cache.disk.enable false
browser.cache.disk_cache_ssl false
browser.cache.memory.enable false

network.cookie.enableForCurrentSessionOnly true
network.cookie.lifetime.days 0
network.cookie.lifetimePolicy 0



Manage Search Engines

Access this window from the search engine window.
Uncheck Show search suggestions.



Firefox security Add-ons

NoScript
https://addons.mozilla.org/en-US/firefox/addon/722

Firekeeper
http://firekeeper.mozdev.org/

Perspectives
http://www.cs.cmu.edu/~perspectives/index.html

Cert Viewer Plus
https://addons.mozilla.org/en-US/firefox/addon/1964

ShowIP
https://addons.mozilla.org/en-US/firefox/addon/590

Netcraft Toolbar
https://addons.mozilla.org/en-US/firefox/addon/1326

Cookie Monster
https://addons.mozilla.org/en-US/firefox/addon/4703

Remove Cookie(s) for Site
https://addons.mozilla.org/en-US/firefox/addon/1595


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