can speak.
n Blocks users who are not members of the channel
from messaging it.
- p Make channel private, hiding it in users' whoises
- and replacing it with * in /LIST.
+ p Hides the channel in /WHOIS from people who are not a member.
+ You probably want the s (secret) channel mode rather than this.
r Marks the channel as registered with Services
(requires the services account module).
- s Make channel secret, hiding it in users' whoises
- and /LIST.
+ s Hides the channel in /WHOIS and /LIST from people who are not a member.
t Prevents users without +h or +o from changing the
topic.
u Makes the channel an auditorium; normal users only