Firefox is "Unable to connect" to any website (URL and IP's). What may be causing this.
"Firefox can't establish a connection to the server" at any URL, hard coded IP address (even within my own network).
URL of affected sites
http://
User Agent
Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; GTB6.5; .NET CLR 1.1.4322; .NET CLR 2.0.50727; .NET CLR 3.0.4506.2152; .NET CLR 3.5.30729)
Všetky odpovede (1)
This can be caused by a firewall blocking internet access to Firefox. See Configure firewalls so that Firefox can access the Internet. That link has a list of popular firewalls and how to configure them to work with Firefox.