| t<br>(ops topic) | Only channel operators may set the channel topic. |
| u<br>(unfiltered) | Receive messages that are filtered server side by freenode based on content, usually spam. Set +u if you want the channel to receive these messages. Also see the corresponding user mode. |
| z<br>(reduced moderation) | The effects of +b, +q, and +m are relaxed. For each message, if that message would normally be blocked by one of these modes, it is instead sent to channel operators (+o). |
| t<br>(ops topic) | Only channel operators may set the channel topic. |
| u<br>(unfiltered) | Receive messages that are filtered server side by freenode based on content, usually spam. Set +u if you want the channel to receive these messages. Also see the corresponding user mode. |
| z<br>(reduced moderation) | The effects of +b, +q, and +m are relaxed. For each message, if that message would normally be blocked by one of these modes, it is instead sent to channel operators (+o). |