[Derpy Hooves25]

tf2:if 27015-20015 is used then can I use like 27016-20016 or 27017-20017 or any other ports?

[Ade]

read page 2 here (ignore the title, op didn't care to edit), last post in particular
https://forums.alliedmods.net/showth...=221391&page=2

and why are your ranges reversed, a range is [xxxxx-yyyyy] where xxxxx<yyyyy..

[iNSGaming]

Derpy you can set it to just about anything.. I use 27015, 27025, 27035, 27045, 27055 27065 and so on..