Norton Internet Security 2005 Firewall Blocks Firefox 1.0.3 internet access: here is a QUICK FIX




14 years ago
14 years ago


(Reporter: Racorex, Assigned: aaronlev)


Firefox Tracking Flags

(Not tracked)




14 years ago
User-Agent:       Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.7) Gecko/20050414 Firefox/1.0.3
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.7.7) Gecko/20050414 Firefox/1.0.3

After installing Firefox 1.0.3, the browser (FF) was unable to gain access to my
LAN (cable) based internet, but Microsoft Internet Explorer still could.  CAUSE:
Norton Internet Security 2005 Personal Firewall settings.  Quick Fix that could
be a head-scratcher for novice computer users: Open Norton Internet Security,
under the tab "Norton Internet Security" find Personal Firewall, select it, and
click CONFIGURE to the lower-right.  Select the PROGRAMS tab, scroll down to
"Mozilla FireFox" (list is alphabetical)... Change the CATEGORY from "General"
to "Web Browsers", click OK.  Problem solved.

Reproducible: Always

Steps to Reproduce:
1.Open Firefox 1.0.3 after a fresh install while running Norton Internet
Security 2005 with Personal Firewall running and set to 'medium'

Actual Results:  
Firefox cannot access the internet, hangs in a perpetual white screen, no
internet activity shown on NetStats Pro (3rd Party Program)

Expected Results:  
Detected internet settings, located internet access, accessed internet

Future Firefox updates should install so it is properly recognized by firewall
programs as Web Browsing software (a Web Browser).
Thanks for taking the time to submit a solution, but this isn't the ideal place
to put it. This isn't a bug in Firefox, as you've discovered.
Last Resolved: 14 years ago
Resolution: --- → INVALID
There's a knowledgebase solution which kind of touches on this at

Unfortunately it's for the suite and not for Firefox.  Someone ought to throw
together a similar page for Firefox. (It's a wiki, anyone can do it ;)
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