How do I open ports for Teamspeak FreeBSD with PuTTY?

I need to open port 30033, it may be an issue why other players don't see icons on my teamspeak server. Can you help me with that. I'd like to mention that I am totally newbie with that system and difficult post won't be understandable to me :)
 
I'd like to install the newest version of the teamspeak cos it may be the problem but still I don't get the putty commands etc. Can I upgrade it somehow to the newest version?
 
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