User & Channel Modes
Most Important Modes (Detail)
User modes
| Mode | Meaning | Example |
|---|
| +i | Invisible (reduced visibility in /who) | /mode <nick> +i |
| +x | Cloak/host masking | /mode <nick> +x |
| +R | Only registered users may send private messages | /mode <nick> +R |
| +w | Receive wallops | /mode <nick> +w |
Channel modes
| Mode | Meaning | Example |
|---|
| +n | Block external messages to the channel | /mode #room +n |
| +t | Only ops/halfops/admins/owners may change topic | /mode #room +t |
| +i | Invite-only | /mode #room +i |
| +m | Moderated (only users with voice/op prefix may talk) | /mode #room +m |
| +s | Secret (hidden channel) | /mode #room +s |
| +R | Only registered users may join | /mode #room +R |
| +k | Password/key required | /mode #room +k secret |
| +l | User limit | /mode #room +l 100 |
| +j | Join-flood protection | /mode #room +j 5:10 |
| +L | Forward target on join failure | /mode #room +L #lobby |
| +C | Blocks channel CTCP | /mode #room +C |
| +N | Blocks channel NOTICE | /mode #room +N |
| +T | Blocks /amsg and mass lines | /mode #room +T |
| +M | Only registered users may speak | /mode #room +M |
| +H | Channel history backlog | /mode #room +H 50:1h |
| +Z | SSL/TLS users only | /mode #room +Z |
Combine multiple modes
/mode #channel +imnt-l (Set i m n t; remove l)
