This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Cuireadh an snáithe seo sa chartlann. Cuir ceist nua má tá cabhair uait.

Firefox is "Unable to connect" to any website (URL and IP's). What may be causing this.

  • 1 freagra
  • 5 leis an bhfadhb seo
  • 4 views
  • Freagra is déanaí ó Shawn

more options

"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)

"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)

All Replies (1)

more options

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.

Also see Firefox can't load websites but other browsers can