How to enable build rights?

[dpmaster20]

Could someone please tell me how to enable building rights on my server?
I'm port-fowarded but i don't know how to do it.
Please post a link if the mod is needed.

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[dpmaster20]

BUMP please help!

[dpmaster20]

wont anyone help?

[Headcrab Zombie]

Delete the ultimate challenge, or whatever it's called.

[dpmaster20]

how do you enable it though?