84 lines
4 KiB
Markdown
84 lines
4 KiB
Markdown
# Channel modes
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Set with `MODE <#channel> +<mode> [param]`. Modes are grouped by the four CHANMODES types the server
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advertises in ISUPPORT: **A** (list modes, always take a parameter), **B** (always take a parameter),
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**C** (parameter only when set), **D** (flag, no parameter). Membership **prefixes** are listed at
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the end.
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## Type A — list modes
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Each takes a parameter; using it with no parameter queries the list.
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| Mode | Name | Description |
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| --- | --- | --- |
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| `b` | ban | Ban a matching `nick!user@host` or [extban](/docs/extbans) from the channel |
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| `e` | ban exception | Exempt a matching mask from bans |
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| `I` | invite exception | A matching mask may join a `+i` channel without an invite |
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| `g` | spamfilter | Per-channel message word/glob filters (matches message text) |
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| `X` | exemptchanops | `<restriction>:<rankchar>` — exempt members at/above a rank from a named restriction |
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| `w` | autoop | `<prefixchar>:<hostmask>` — auto-grant a status prefix on join |
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## Type B — always take a parameter
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| Mode | Name | Description |
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| --- | --- | --- |
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| `k` | key | Channel password required to join |
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## Type C — parameter only when set
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| Mode | Name | Param | Description |
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| --- | --- | --- | --- |
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| `l` | limit | `<n>` | Maximum member count |
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| `f` | message flood | `[*]<lines>:<secs>` | Kick a user exceeding the rate; leading `*` also bans |
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| `j` | join flood | `<joins>:<secs>` | Lock new joins for 60s after the threshold |
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| `F` | nick flood | `<changes>:<secs>` | Block nick changes for 60s after the threshold |
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| `L` | redirect | `<#target>` | Send joiners to another channel when `+l`-full |
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| `H` | history | `<lines>[:<secs>]` | Replay recent messages to joiners |
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| `B` | anticaps | `<1..100>` | Reject messages that are ≥ this % uppercase (ops exempt) |
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| `J` | kicknorejoin | `<secs>` | Block rejoin for N seconds after a kick |
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| `d` | delaymsg | `<secs>` | New members can't speak for N seconds (voiced+ exempt) |
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| `K` | norepeat | `<n>` | Block a message identical to one of the sender's previous N lines |
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## Type D — flag modes
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| Mode | Name | Description |
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| --- | --- | --- |
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| `A` | allowinvite | Any member may use `INVITE` |
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| `C` | noctcp | Block CTCPs to the channel |
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| `D` | delayjoin | Hide joining members until they speak or gain a prefix |
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| `G` | censor | Apply the network word censor to messages |
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| `M` | regmoderated | Only registered (logged-in) users may speak |
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| `N` | nonick | Block nick changes by members while in the channel |
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| `O` | operonly | Only IRC operators may join (oper-set) |
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| `P` | permanent | Channel persists with no members (oper-set) |
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| `Q` | nokicks | Block `KICK` in the channel |
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| `R` | regonly | Only registered users may join |
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| `S` | stripcolor | Strip mIRC colour/formatting from messages |
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| `T` | nonotice | Block `NOTICE`s to the channel |
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| `U` | opmoderated | Messages from unprivileged users go only to ops |
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| `c` | nocolor | Block messages containing colour/formatting |
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| `i` | inviteonly | Require an invite (or `+I` match) to join |
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| `m` | moderated | Only voiced+ may speak |
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| `n` | noexternal | Block messages from users not in the channel |
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| `p` | private | Private channel |
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| `r` | registered | Registered channel — set only by services |
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| `s` | secret | Secret channel (hidden from LIST/WHOIS) |
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| `t` | topiclock | Only ops may change the topic |
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| `z` | secureonly | Only TLS users may join (settable only when all members are on TLS) |
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## Prefix / status modes
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Take a nick parameter; ordered high → low rank. Sigils and the ranks required to grant/revoke are
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configurable via `customprefix`.
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| Mode | Prefix | Name | Rank |
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| --- | --- | --- | --- |
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| `y` | `!` | oper prefix (network staff) | 60 |
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| `q` | `~` | owner / founder | 50 |
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| `a` | `&` | admin / protected | 40 |
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| `o` | `@` | op | 30 |
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| `h` | `%` | halfop | 20 |
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| `v` | `+` | voice | 10 |
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The `!` oper prefix only exists when `operprefix` or `ojoin` is enabled. Granting or removing a prefix
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requires out-ranking both the configured set/unset rank and the target's current top rank.
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