This page is a complete inventory of ElixIRCd features derived from a direct source code audit. It reflects what is actually implemented, not just what is planned.
| Command | Description |
|---|
CAP | Capability negotiation (LS, REQ, ACK, END, LIST, NEW, DEL) |
NICK | Set or change nickname |
USER | Set username and real name |
PASS | Set connection password |
OPER | Obtain IRC operator status |
QUIT | Disconnect from server |
WEBIRC | Set real IP for WebSocket/proxy connections |
AUTHENTICATE | SASL authentication exchange |
| Command | Description |
|---|
JOIN | Join one or more channels |
PART | Leave a channel |
KICK | Remove a user from a channel |
INVITE | Invite a user to an invite-only channel |
TOPIC | Get or set the channel topic |
MODE | Get or set user/channel modes |
NAMES | List users in a channel |
LIST | List channels matching a pattern |
| Command | Description |
|---|
PRIVMSG | Send a message to a user or channel |
NOTICE | Send a notice to a user or channel |
TAGMSG | Send a message-tags-only message |
| Command | Description |
|---|
WHOIS | Get information about a user |
WHOWAS | Get information about a recently disconnected nick |
WHO | List users matching a mask |
AWAY | Set or clear away status |
USERHOST | Get hostmask for up to 5 nicks |
SETNAME | Change real name during session |
ISON | Check if nicks are online |
| Command | Description |
|---|
KILL | Disconnect a user from the server |
OPERWALL | Broadcast message to all IRC operators |
WALLOPS | Broadcast message to users with +w mode |
GLOBOPS | Broadcast to all operators |
CHGHOST | Change a user’s visible hostname |
REHASH | Reload server configuration |
RESTART | Restart the server process |
DIE | Shut down the server process |
| Command | Description |
|---|
PING | Keepalive ping |
PONG | Keepalive reply |
VERSION | Get server version information |
INFO | Get server build/info string |
ADMIN | Get administrator contact info |
LUSERS | Get user/channel/server counts |
MOTD | Get the message of the day |
STATS | Get server statistics |
TIME | Get server time |
| Command | Description |
|---|
MONITOR | Track user presence (add, remove, list, status, clear) |
| Mode | Flag | Description |
|---|
| Bot | +B | Marks user as a bot |
| Caller ID | +g | Only receive messages from known users |
| Hidden Oper | +H | Hides operator status from non-operators |
| Invisible | +i | Not shown in /who without specific match |
| IRC Operator | +o | Server-level operator status |
| Registered | +r | Authenticated to NickServ account (server-set) |
| Registered Only | +R | Only registered users can message you |
| Server Notices | +s | Receive server event notices |
| Wallops | +w | Receive /wallops messages |
| Cloaked | +x | Replace real hostname with HMAC-hashed cloak |
| Secure | +Z | Connected via TLS (server-set) |
| Mode | Flag | Description |
|---|
| No CTCP | +C | Block CTCP messages in channel |
| No Colors | +c | Strip/block color-formatted messages |
| Invite Only | +i | Require invite to join |
| Moderated | +m | Only voiced/opped users can speak |
| Registered Only | +M | Only registered users can speak |
| No External Messages | +n | Block messages from non-members |
| IRC Oper Only | +O | Only IRC operators can join |
| Private | +p | Channel is hidden from /list |
| Registered | +r | Channel is registered (server-set) |
| Registered Users Only | +R | Only registered users can join |
| Secret | +s | Channel is hidden from /list and /whois |
| Topic Lock | +t | Only ops can change the topic |
| No NOTICE | +T | Block NOTICE messages in channel |
| Auditorium | +u | Members only see ops in NAMES |
| TLS Only | +z | Only TLS-connected users can join |
| Mode | Flag | Value Format | Description |
|---|
| Message Delay | +d | seconds | New joiners must wait N seconds before speaking |
| Join Throttle | +j | rate:seconds | Limit join rate (e.g., 5:60 = 5 joins per 60s) |
| Key | +k | password | Channel password required to join |
| Limit | +l | count | Maximum number of users |
| Mode | Flag | Description |
|---|
| Ban | +b | Ban hostmask from joining/speaking |
| Exception | +e | Exempt hostmask from ban matching |
| Invite Exception | +I | Allow hostmask to join invite-only channel |
| Mode | Flag | Description |
|---|
| Op | +o | Channel operator status |
| Voice | +v | Voice status (can speak in +m channels) |
| Command | Description |
|---|
HELP | Show help text |
REGISTER | Register current nickname with password |
VERIFY | Verify registration with emailed code |
IDENTIFY | Authenticate to registered account |
LOGOUT | Log out of current account |
GHOST | Disconnect a session using your nick |
RECOVER | Force-disconnect and reclaim your nick |
REGAIN | Reclaim nick (RECOVER + RELEASE combined) |
RELEASE | Release an enforced nick hold |
DROP | Delete your account registration |
INFO | Show account information |
SET HIDEMAIL | Hide/show email address in INFO |
ACCESS ADD/DEL/LIST | Manage trusted hostmasks for auto-login |
ALIST | List all channels where you have access |
STATUS | Check authentication status of a nick |
| Command | Description |
|---|
HELP | Show help text |
REGISTER | Register current channel |
DROP | Delete channel registration |
INFO | Show channel registration info |
SET | Configure channel settings (see below) |
TRANSFER | Transfer channel ownership to another user |
| Setting | Description |
|---|
GUARD | Have ChanServ join to keep channel alive |
KEEPTOPIC | Restore topic when channel re-forms |
PRIVATE | Hide channel info from non-members |
RESTRICTED | Block users not on access list from joining |
FANTASY | Enable !op, !voice etc. in channel |
DESCRIPTION / DESC | Set channel description |
URL | Set channel URL |
EMAIL | Set channel contact email |
ENTRYMSG | Set message sent to users on join |
OPNOTICE | Notify ops when members gain op/voice |
PEACE | Prevent lower-rank ops from acting on higher-rank |
SECURE | Require authentication before op assignment |
TOPICLOCK | Lock topic — only chanserv op can change |
SUCCESSOR | Set fallback owner if current owner drops |
| Capability | Announcement | Description |
|---|
sasl | SASL=PLAIN | SASL authentication (PLAIN mechanism) |
account-tag | account-tag | Attach account name to message tags |
account-notify | account-notify | Notify on account login/logout |
away-notify | away-notify | Notify on away status changes |
cap-notify | cap-notify | Notify on server cap changes |
chghost | chghost | Notify on hostname changes |
client-tags | client-tags | Pass +prefix client-only tags |
extended-join | extended-join | Account + real name in JOIN |
invite-extended | invite-extended | Account info in INVITE |
invite-notify | invite-notify | Notify channel on invites |
multi-prefix | multi-prefix | All status prefixes in NAMES |
message-tags | message-tags | Full message tag support |
server-time | server-time | time= tag on all messages |
msgid | msgid | Unique msgid= tag on all messages |
monitor | monitor | User presence tracking |
setname | setname | Change real name during session |
uhnames | uhnames | nick!ident@host in NAMES replies |
extended-uhlist | extended-uhlist | Extended user modes in WHO |
sts | sts=... | TLS upgrade policy (non-requestable) |
| Transport | Backend | Default Port | Notes |
|---|
tcp | ThousandIsland | 6667 | Plain IRC |
tls | ThousandIsland | 6697 | IRC over TLS |
ws | Bandit | 8080 | IRC over WebSocket |
wss | Bandit | 8443 | IRC over WebSocket + TLS |
| Feature | Description |
|---|
| TLS | Configurable per listener |
| SASL PLAIN | Requires TLS by default (configurable) |
| Argon2id passwords | All NickServ passwords hashed with Argon2id |
| HMAC hostname cloaking | HMAC-SHA with configurable secret keys |
| Connection rate limiting | Token bucket per IP with violation tracking |
| Message rate limiting | Token bucket per user with disconnect on threshold |
| Per-command throttle | Configurable stricter limits per IRC command |
| IP exemptions | Whitelist IPs/CIDRs from rate limits |
| WebIRC | Trusted gateway IP passthrough |
The following features are not implemented in the current codebase:
| Feature | Notes |
|---|
| SASL EXTERNAL | TLS client certificate auth |
| SASL SCRAM-SHA-256 | Modern SCRAM mechanism |
| Server-to-server linking | Single-server only |
batch capability | No batched message delivery |
echo-message capability | No message echo to sender |
labeled-response capability | No response correlation |
standard-replies capability | No structured error responses |
& local channels | Only # channels |
| Shunning / Z-lines | Use firewall for IP blocks |
| Server-side message history / playback | No chathistory support |
