channel.
+N - No nickchanges. People on the channel will not be able to
change nick.
+ +G - Block messages in all caps. Messages that are more than
+ 50% capital letters will be blocked.
+ +J - Prevent autorejoin on kick. Users will not be able to
+ rejoin immediately after being kicked.
WITH PARAMETERS:
+f - Forward. Forwards users who cannot join because of +i,