A firewall is a piece of software that manages incoming and outgoing connections. In this article we will describe how you can configure your firewall for MSN Messenger.
When you are behind a firewall that is not correctly configured for Messenger there are several things that might not work properly. Please note that although firewalls are very common to cause trouble it is also possible that something else is wrong.
If one of these symptoms occur MSN Messenger most likely does not have the correct rights to access the internet in your firewall or one of the ports MSN Messenger uses is blocked.
To help you solve your problem we have explained how to configure most popular firewalls. If your firewall is not listed try if you can fix the problem yourself or ask for help on our forums.