Neueste Antworten auf Why do other browsers have internet connection, but not Firefox?https://support.mozilla.org/de/questions/10902512015-10-23T02:33:19-07:00Type about:preferences#advanced<Enter> in the address bar.
Under Advanced, Select Network.
Loo2015-10-23T02:33:19-07:00fredmcd-hotmailhttps://support.mozilla.org/de/questions/1090251#answer-797224<p>Type <strong>about:preferences#advanced</strong>&lt;Enter&gt; in the address bar.
</p><p>Under <strong>Advanced,</strong> Select <strong>Network.</strong>
Look for <strong>Configure How Firefox Connects</strong> and press the <strong>Settings</strong> button.
If you are using a proxy, make sure those settings are correct. If there is no
proxy, first use <strong>No Proxy.</strong> If there is a problem, then try <strong>System Proxy.</strong>
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<p>Some problems occurs when your Internet security program was set
to trust the previous version of Firefox, but no longer recognizes your
updated version as trusted. Now how to fix the problem: To allow
Firefox to connect to the Internet again;
</p>
<ul><li> Make sure your Internet security software is up-to-date (i.e. you are running the latest version).
</li><li> Remove Firefox from your program's list of trusted or recognized programs. For detailed instructions, see
</li></ul>
<p><strong><a href="https://support.mozilla.org/en-US/kb/configure-firewalls-so-firefox-can-access-internet" rel="nofollow">Configure firewalls so that Firefox can access the Internet.</a></strong> {web link}
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