A special corner where guests can post anonymously

[Nadeemjp]

but the permissions set here are the permissions that the user can view threads etc. that i already have given.
i want them to be able to write and make threads as well. i have already disabled number of posts counter to be affected by any posts made in this forum.


if i change their permission in their respective group, then they can write or make threads in other categories/forums too. so i was looking for some method here that allows me to give them the right to post and make threads in a single particular forum....

i know that there is included in the system and no requirement for a mod or a hack, but i simply couldnt figure out what it is and how it is done