cant join servers

[redhawk11]

now ive played n a few servers before but now i seem to be getting this error whenever i join a server basically it connects and starts downloading some files then i get an error saying Download error: Couldn't resolve host name. any help would be appreciated. thanks

[robhol]

If this happens on one server, then it's most likely a configuration issue on their side. If it happens on all servers, it is likely a problem with your firewall, router or internet connection.

[redhawk11]

do you know what ports i need to open for it to work?