Zum Inhalt springen

rfc2812-numerics

RFC2812 Numerics

 

 

RFC 2812 Numerics IRC Internet Relay Chat
Hier eine kleine Auflistung sämtlicher „Numerics“ der RFC2812 und ihre
Formate. 
Wer einen IRC-Bot; IRC-Client oder sonstiges für den Internet Relay Chat programmiert, muß diese Numerics früher oder später mal gebrauchen. 

.

 

Name   Format Comments
001 RPL_WELCOME   Welcome to the Internet Relay Network <nick>!<user>@<host> – The server sends Replies 001 to 004 to a user upon successful registration.
002 RPL_YOURHOST   Your host is <servername>, running version <ver> – The server sends Replies 001 to 004 to a user upon successful registration.
003 RPL_CREATED   This server was created <date> – The server sends Replies 001 to 004 to a user upon successful registration.
004 RPL_MYINFO   <servername> <version> <available user modes> <available channel modes> – The server sends Replies 001 to 004 to a user upon successful registration.
005 RPL_BOUNCE   Try server <server name>, port <port number> – Sent by the server to a user to suggest an alternative server. This is often used when the connection is refused because the server is already full.
200 RPL_TRACELINK   Link <version & debug level> <destination> <next server> V<protocol version> <link uptime in seconds> <backstream sendq> <upstre – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first. RPL_TRACELINK is sent by any server which handles a TRACE message and has to pass it on to another server. The list of RPL_TRACELINKs sent in response to a TRACE command traversing the IRC network should reflect the actual connectivity of the servers themselves along that path.
201 RPL_TRACECONNECTING   Try. <class> <server> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first. Replies RPL_TRACEUNKNOWN, RPL_TRACECONNECTING and RPL_TRACEHANDSHAKE are all used for connections which have not been fully established and are either unknown, still attempting to connect or in the process of completing the ’server handshake‘.
202 RPL_TRACEHANDSHAKE   H.S. <class> <server> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first. Replies RPL_TRACEUNKNOWN, RPL_TRACECONNECTING and RPL_TRACEHANDSHAKE are all used for connections which have not been fully established and are either unknown, still attempting to connect or in the process of completing the ’server handshake‘.
203 RPL_TRACEUNKNOWN   ???? <class> [<client IP address in dot form>] – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first. Replies RPL_TRACEUNKNOWN, RPL_TRACECONNECTING and RPL_TRACEHANDSHAKE are all used for connections which have not been fully established and are either unknown, still attempting to connect or in the process of completing the ’server handshake‘.
204 RPL_TRACEOPERATOR   Oper <class> <nick> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first.
205 RPL_TRACEUSER   User <class> <nick> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first.
206 RPL_TRACESERVER   Serv <class> <int>S <int>C <server> <nick!user|*!*>@<host|server> V<protocol version> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first.
207 RPL_TRACESERVICE   Service <class> <name> <type> <active type> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first.
208 RPL_TRACENEWTYPE   <newtype> 0 <client name> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first. RPL_TRACENEWTYPE is to be used for any connection which does not fit in the other categories but is being displayed anyway.
209 RPL_TRACECLASS   Class <class> <count> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first.
210 RPL_TRACERECONNECT   RFC2812 Unused.
211 RPL_STATSLINKINFO   <linkname> <sendq> <sent messages> <sent Kbytes> <received messages> <received Kbytes> <time open> – reports statistics on a connection. <linkname> identifies the particular connection, <sendq> is the amount of data that is queued and waiting to be sent <sent messages> the number of messages sent, and <sent Kbytes> the amount of data sent, in Kbytes. <received messages> and <received Kbytes> are the equivalent of <sent messages> and <sent Kbytes> for received data, respectively. <time open> indicates how long ago the connection was opened, in seconds.
212 RPL_STATSCOMMANDS   <command> <count> <byte count> <remote count> – reports statistics on commands usage.
213 RPL_STATSCLINE   RFC2812 *Reserved*
214 RPL_STATSNLINE   RFC2812 *Reserved*
215 RPL_STATSILINE   RFC2812 *Reserved*
216 RPL_STATSKLINE   RFC2812 *Reserved*
217 RPL_STATSQLINE   RFC2812 *Reserved*
218 RPL_STATSYLINE   RFC2812 *Reserved*
219 RPL_ENDOFSTATS   <stats letter> :End of STATS report  
221 RPL_UMODEIS   <user mode string> – To answer a query about a client’s own mode, RPL_UMODEIS is sent back.
231 RPL_SERVICEINFO   RFC2812 *Reserved*
232 RPL_ENDOFSERVICES   RFC2812 *Reserved*
233 RPL_SERVICE   RFC2812 *Reserved*
234 RPL_SERVLIST   <name> <server> <mask> <type> <hopcount> <info>  
235 RPL_SERVLISTEND   <mask> <type> :End of service listing – When listing services in reply to a SERVLIST message, a server is required to send the list back using the RPL_SERVLIST and RPL_SERVLISTEND messages. A separate RPL_SERVLIST is sent for each service. After the services have been listed (or if none present) a RPL_SERVLISTEND MUST be sent.
240 RPL_STATSVLINE   RFC2812 *Reserved*
241 RPL_STATSLLINE   RFC2812 *Reserved*
242 RPL_STATSUPTIME   :Server Up %d days %d:%02d:%02d – reports the server uptime.
243 RPL_STATSOLINE   O <hostmask> * <name> – reports the allowed hosts from where user may become IRC operators.
244 RPL_STATSHLINE   RFC2812 *Reserved*
244 RPL_STATSSLINE   RFC2812 *Reserved*
246 RPL_STATSPING   RFC2812 *Reserved*
247 RPL_STATSBLINE   RFC2812 *Reserved*
250 RPL_STATSDLINE   RFC2812 *Reserved*
251 RPL_LUSERCLIENT   :There are <integer> users and <integer> services on <integer> servers – In processing an LUSERS message, the server sends a set of replies from RPL_LUSERCLIENT, RPL_LUSEROP, RPL_USERUNKNOWN, RPL_LUSERCHANNELS and RPL_LUSERME. When replying, a server MUST send back RPL_LUSERCLIENT and RPL_LUSERME. The other replies are only sent back if a non-zero count is found for them.
252 RPL_LUSEROP   <integer> :operator(s) online – In processing an LUSERS message, the server sends a set of replies from RPL_LUSERCLIENT, RPL_LUSEROP, RPL_USERUNKNOWN, RPL_LUSERCHANNELS and RPL_LUSERME. When replying, a server MUST send back RPL_LUSERCLIENT and RPL_LUSERME. The other replies are only sent back if a non-zero count is found for them.
253 RPL_LUSERUNKNOWN   <integer> :unknown connection(s) – In processing an LUSERS message, the server sends a set of replies from RPL_LUSERCLIENT, RPL_LUSEROP, RPL_USERUNKNOWN, RPL_LUSERCHANNELS and RPL_LUSERME. When replying, a server MUST send back RPL_LUSERCLIENT and RPL_LUSERME. The other replies are only sent back if a non-zero count is found for them.
254 RPL_LUSERCHANNELS   <integer> :channels formed – In processing an LUSERS message, the server sends a set of replies from RPL_LUSERCLIENT, RPL_LUSEROP, RPL_USERUNKNOWN, RPL_LUSERCHANNELS and RPL_LUSERME. When replying, a server MUST send back RPL_LUSERCLIENT and RPL_LUSERME. The other replies are only sent back if a non-zero count is found for them.
255 RPL_LUSERME   :I have <integer> clients and <integer> servers – In processing an LUSERS message, the server sends a set of replies from RPL_LUSERCLIENT, RPL_LUSEROP, RPL_USERUNKNOWN, RPL_LUSERCHANNELS and RPL_LUSERME. When replying, a server MUST send back RPL_LUSERCLIENT and RPL_LUSERME. The other replies are only sent back if a non-zero count is found for them.
256 RPL_ADMINME   <server> :Administrative info – When replying to an ADMIN message, a server is expected to use replies RPL_ADMINME through to RPL_ADMINEMAIL and provide a text message with each. For RPL_ADMINLOC1 a description of what city, state and country the server is in is expected, followed by details of the institution (RPL_ADMINLOC2) and finally the administrative contact for the server (an email address here is REQUIRED) in RPL_ADMINEMAIL.
257 RPL_ADMINLOC1   :<admin info> – When replying to an ADMIN message, a server is expected to use replies RPL_ADMINME through to RPL_ADMINEMAIL and provide a text message with each. For RPL_ADMINLOC1 a description of what city, state and country the server is in is expected, followed by details of the institution (RPL_ADMINLOC2) and finally the administrative contact for the server (an email address here is REQUIRED) in RPL_ADMINEMAIL.
258 RPL_ADMINLOC2   :<admin info> – When replying to an ADMIN message, a server is expected to use replies RPL_ADMINME through to RPL_ADMINEMAIL and provide a text message with each. For RPL_ADMINLOC1 a description of what city, state and country the server is in is expected, followed by details of the institution (RPL_ADMINLOC2) and finally the administrative contact for the server (an email address here is REQUIRED) in RPL_ADMINEMAIL.
259 RPL_ADMINEMAIL   :<admin info> – When replying to an ADMIN message, a server is expected to use replies RPL_ADMINME through to RPL_ADMINEMAIL and provide a text message with each. For RPL_ADMINLOC1 a description of what city, state and country the server is in is expected, followed by details of the institution (RPL_ADMINLOC2) and finally the administrative contact for the server (an email address here is REQUIRED) in RPL_ADMINEMAIL.
Number Name   Format Comments
261 RPL_TRACELOG   File <logfile> <debug level> – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first.
262 RPL_TRACEEND   <server name> <version & debug level> :End of TRACE – The RPL_TRACE* are all returned by the server in response to the TRACE message. How many are returned is dependent on the TRACE message and whether it was sent by an operator or not. There is no predefined order for which occurs first. RPL_TRACEEND is sent to indicate the end of the list.
263 RPL_TRYAGAIN   <command> :Please wait a while and try again. – When a server drops a command without processing it, it MUST use the reply RPL_TRYAGAIN to inform the originating client.
300 RPL_NONE   RFC2812 *Reserved*
301 RPL_AWAY   <nick> :<away message> – These replies are used with the AWAY command (if allowed). RPL_AWAY is sent to any client sending a PRIVMSG to a client which is away. RPL_AWAY is only sent by the server to which the client is connected.
302 RPL_USERHOST   :*1<reply> *( <space> <reply> ) – Reply format used by USERHOST to list replies to the query list. The reply string is composed as follows: { reply = nickname [ * ] = ( +|- ) hostname } The * indicates whether the client has registered as an Operator. The – or + characters represent whether the client has set an AWAY message or not respectively.
303 RPL_ISON   :*1<nick> *( <space> <nick> ) – Reply format used by ISON to list replies to the query list.
305 RPL_UNAWAY   :You are no longer marked as being away – These replies are used with the AWAY command (if allowed). Replies RPL_UNAWAY and RPL_NOWAWAY are sent when the client removes and sets an AWAY message.
306 RPL_NOWAWAY   :You have been marked as being away – These replies are used with the AWAY command (if allowed). Replies RPL_UNAWAY and RPL_NOWAWAY are sent when the client removes and sets an AWAY message.
311 RPL_WHOISUSER   <nick> <user> <host> * :<real name> – Replies 311 – 313, 317 – 319 are all replies generated in response to a WHOIS message. The * in RPL_WHOISUSER is there as the literal character and not as a wild card.
312 RPL_WHOISSERVER   <nick> <server> :<server info> – Replies 311 – 313, 317 – 319 are all replies generated in response to a WHOIS message.
313 RPL_WHOISOPERATOR   <nick> :is an IRC operator – Replies 311 – 313, 317 – 319 are all replies generated in response to a WHOIS message.
314 RPL_WHOWASUSER   <nick> <user> <host> * :<real name> – When replying to a WHOWAS message, a server MUST use the replies RPL_WHOWASUSER, RPL_WHOISSERVER or ERR_WASNOSUCHNICK for each nickname in the presented list. At the end of all reply batches, there MUST be RPL_ENDOFWHOWAS (even if there was only one reply and it was an error).
315 RPL_ENDOFWHO   <name> :End of WHO list – The RPL_WHOREPLY and RPL_ENDOFWHO pair are used to answer a WHO message. The RPL_WHOREPLY is only sent if there is an appropriate match to the WHO query. If there is a list of parameters supplied with a WHO message, a RPL_ENDOFWHO MUST be sent after processing each list item with <name> being the item.
316 RPL_WHOISCHANOP   RFC2812 *Reserved*
317 RPL_WHOISIDLE   <nick> <integer> :seconds idle – Replies 311 – 313, 317 – 319 are all replies generated in response to a WHOIS message.
318 RPL_ENDOFWHOIS   <nick> :End of WHOIS list – Replies 311 – 313, 317 – 319 are all replies generated in response to a WHOIS message. The RPL_ENDOFWHOIS reply is used to mark the end of processing a WHOIS message.
319 RPL_WHOISCHANNELS   <nick> :*( ( @|+ ) <channel> <space> ) – Replies 311 – 313, 317 – 319 are all replies generated in response to a WHOIS message. For each reply set, only RPL_WHOISCHANNELS may appear more than once (for long lists of channel names). The @ and + characters next to the channel name indicate whether a client is a channel operator or has been granted permission to speak on a moderated channel.
321 RPL_LISTSTART   RFC2812 – Obsolete. Not used.
322 RPL_LIST   <channel> <# visible> :<topic> – Replies RPL_LIST, RPL_LISTEND mark the actual replies with data and end of the server’s response to a LIST command. If there are no channels available to return, only the end reply MUST be sent.
323 RPL_LISTEND   :End of LIST – Replies RPL_LIST, RPL_LISTEND mark the actual replies with data and end of the server’s response to a LIST command. If there are no channels available to return, only the end reply MUST be sent.
324 RPL_CHANNELMODEIS   <channel> <mode> <mode params>  
325 RPL_UNIQOPIS   <channel> <nickname>  
331 RPL_NOTOPIC   <channel> :No topic is set – When sending a TOPIC message to determine the channel topic, one of two replies is sent. If the topic is set, RPL_TOPIC is sent back else RPL_NOTOPIC.
332 RPL_TOPIC   <channel> :<topic> – When sending a TOPIC message to determine the channel topic, one of two replies is sent. If the topic is set, RPL_TOPIC is sent back else RPL_NOTOPIC.
341 RPL_INVITING   <channel> <nick> – Returned by the server to indicate that the attempted INVITE message was successful and is being passed onto the end client.
342 RPL_SUMMONING   <user> :Summoning user to IRC – Returned by a server answering a SUMMON message to indicate that it is summoning that user.
346 RPL_INVITELIST   <channel> <invitemask> – When listing the ‚invitations masks‘ for a given channel, a server is required to send the list back using the RPL_INVITELIST and RPL_ENDOFINVITELIST messages. A separate RPL_INVITELIST is sent for each active mask. After the masks have been listed (or if none present) a RPL_ENDOFINVITELIST MUST be sent.
347 RPL_ENDOFINVITELIST   <channel> :End of channel invite list – When listing the ‚invitations masks‘ for a given channel, a server is required to send the list back using the RPL_INVITELIST and RPL_ENDOFINVITELIST messages. A separate RPL_INVITELIST is sent for each active mask. After the masks have been listed (or if none present) a RPL_ENDOFINVITELIST MUST be sent.
348 RPL_EXCEPTLIST   <channel> <exceptionmask> – When listing the ‚exception masks‘ for a given channel, a server is required to send the list back using the RPL_EXCEPTLIST and RPL_ENDOFEXCEPTLIST messages. A separate RPL_EXCEPTLIST is sent for each active mask. After the masks have been listed (or if none present) a RPL_ENDOFEXCEPTLIST MUST be sent.
349 RPL_ENDOFEXCEPTLIST   <channel> :End of channel exception list – When listing the ‚exception masks‘ for a given channel, a server is required to send the list back using the RPL_EXCEPTLIST and RPL_ENDOFEXCEPTLIST messages. A separate RPL_EXCEPTLIST is sent for each active mask. After the masks have been listed (or if none present) a RPL_ENDOFEXCEPTLIST MUST be sent.
351 RPL_VERSION   <version>.<debuglevel> <server> :<comments> – Reply by the server showing its version details. The <version> is the version of the software being used (including any patchlevel revisions) and the <debuglevel> is used to indicate if the server is running in debug mode. The comments field may contain any comments about the version or further version details.
352 RPL_WHOREPLY   <channel> <user> <host> <server> <nick> ( H|G > [*] [ ( @|+ ) ] :<hopcount> <real name> – The RPL_WHOREPLY and RPL_ENDOFWHO pair are used to answer a WHO message. The RPL_WHOREPLY is only sent if there is an appropriate match to the WHO query. If there is a list of parameters supplied with a WHO message, a RPL_ENDOFWHO MUST be sent after processing each list item with <name> being the item.
353 RPL_NAMREPLY   =|*|@ <channel> :[ @|+ ] <nick> *( <space> [ @|+ ] <nick> ) – @ is used for secret channels, * for private channels, and = for others (public channels).
361 RPL_KILLDONE   RFC2812 *Reserved*
362 RPL_CLOSING   RFC2812 *Reserved*
363 RPL_CLOSEEND   RFC2812 *Reserved*
364 RPL_LINKS   <mask> <server> :<hopcount> <server info> – In replying to the LINKS message, a server MUST send replies back using the RPL_LINKS numeric and mark the end of the list using an RPL_ENDOFLINKS reply.
365 RPL_ENDOFLINKS   <mask> :End of LINKS list – In replying to the LINKS message, a server MUST send replies back using the RPL_LINKS numeric and mark the end of the list using an RPL_ENDOFLINKS reply.
366 RPL_ENDOFNAMES   <channel> :End of NAMES list – To reply to a NAMES message, a reply pair consisting of RPL_NAMREPLY and RPL_ENDOFNAMES is sent by the server back to the client. If there is no channel found as in the query, then only RPL_ENDOFNAMES is returned. The exception to this is when a NAMES message is sent with no parameters and all visible channels and contents are sent back in a series of RPL_NAMEREPLY messages with a RPL_ENDOFNAMES to mark the end.
367 RPL_BANLIST   <channel> <banmask> – When listing the active ‚bans‘ for a given channel, a server is required to send the list back using the RPL_BANLIST and RPL_ENDOFBANLIST messages. A separate RPL_BANLIST is sent for each active banmask. After the banmasks have been listed (or if none present) a RPL_ENDOFBANLIST MUST be sent.
368 RPL_ENDOFBANLIST   <channel> :End of channel ban list – When listing the active ‚bans‘ for a given channel, a server is required to send the list back using the RPL_BANLIST and RPL_ENDOFBANLIST messages. A separate RPL_BANLIST is sent for each active banmask. After the banmasks have been listed (or if none present) a RPL_ENDOFBANLIST MUST be sent.
369 RPL_ENDOFWHOWAS   <nick> :End of WHOWAS – When replying to a WHOWAS message, a server MUST use the replies RPL_WHOWASUSER, RPL_WHOISSERVER or ERR_WASNOSUCHNICK for each nickname in the presented list. At the end of all reply batches, there MUST be RPL_ENDOFWHOWAS (even if there was only one reply and it was an error).
371 RPL_INFO   :<string> – A server responding to an INFO message is required to send all its ‚info‘ in a series of RPL_INFO messages with a RPL_ENDOFINFO reply to indicate the end of the replies.
372 RPL_MOTD   :- <text> – When responding to the MOTD message and the MOTD file is found, the file is displayed line by line, with each line no longer than 80 characters, using RPL_MOTD format replies. These MUST be surrounded by a RPL_MOTDSTART (before the RPL_MOTDs) and an RPL_ENDOFMOTD (after).
373 RPL_INFOSTART   RFC2812 *Reserved*
374 RPL_ENDOFINFO   :End of INFO list – A server responding to an INFO message is required to send all its ‚info‘ in a series of RPL_INFO messages with a RPL_ENDOFINFO reply to indicate the end of the replies.
375 RPL_MOTDSTART   :- <server> Message of the day – – When responding to the MOTD message and the MOTD file is found, the file is displayed line by line, with each line no longer than 80 characters, using RPL_MOTD format replies. These MUST be surrounded by a RPL_MOTDSTART (before the RPL_MOTDs) and an RPL_ENDOFMOTD (after).
376 RPL_ENDOFMOTD   :End of MOTD command – When responding to the MOTD message and the MOTD file is found, the file is displayed line by line, with each line no longer than 80 characters, using RPL_MOTD format replies. These MUST be surrounded by a RPL_MOTDSTART (before the RPL_MOTDs) and an RPL_ENDOFMOTD (after).
381 RPL_YOUREOPER   :You are now an IRC operator – RPL_YOUREOPER is sent back to a client which has just successfully issued an OPER message and gained operator status.
Number Name   Format Comments
382 RPL_REHASHING   <config file> :Rehashing – If the REHASH option is used and an operator sends a REHASH message, an RPL_REHASHING is sent back to the operator.
383 RPL_YOURESERVICE   You are service <servicename> – Sent by the server to a service upon successful registration.
384 RPL_MYPORTIS   RFC2812 *Reserved*
391 RPL_TIME   <server> :<string showing server’s local time> – When replying to the TIME message, a server MUST send the reply using the RPL_TIME format above. The string showing the time need only contain the correct day and time there. There is no further requirement for the time string.
392 RPL_USERSSTART   :UserID Terminal Host – If the USERS message is handled by a server, the replies RPL_USERSTART, RPL_USERS, RPL_ENDOFUSERS and RPL_NOUSERS are used. RPL_USERSSTART MUST be sent first, following by either a sequence of RPL_USERS or a single RPL_NOUSER. Following this is RPL_ENDOFUSERS.
393 RPL_USERS   :<username> <ttyline> <hostname> – If the USERS message is handled by a server, the replies RPL_USERSTART, RPL_USERS, RPL_ENDOFUSERS and RPL_NOUSERS are used. RPL_USERSSTART MUST be sent first, following by either a sequence of RPL_USERS or a single RPL_NOUSER. Following this is RPL_ENDOFUSERS.
394 RPL_ENDOFUSERS   :End of users – If the USERS message is handled by a server, the replies RPL_USERSTART, RPL_USERS, RPL_ENDOFUSERS and RPL_NOUSERS are used. RPL_USERSSTART MUST be sent first, following by either a sequence of RPL_USERS or a single RPL_NOUSER. Following this is RPL_ENDOFUSERS.
395 RPL_NOUSERS   :Nobody logged in – If the USERS message is handled by a server, the replies RPL_USERSTART, RPL_USERS, RPL_ENDOFUSERS and RPL_NOUSERS are used. RPL_USERSSTART MUST be sent first, following by either a sequence of RPL_USERS or a single RPL_NOUSER. Following this is RPL_ENDOFUSERS.
401 ERR_NOSUCHNICK   <nickname> :No such nick/channel – Used to indicate the nickname parameter supplied to a command is currently unused.
402 ERR_NOSUCHSERVER   <server name> :No such server – Used to indicate the server name given currently does not exist.
403 ERR_NOSUCHCHANNEL   <channel name> :No such channel – Used to indicate the given channel name is invalid.
404 ERR_CANNOTSENDTOCHAN   <channel name> :Cannot send to channel – Sent to a user who is either (a) not on a channel which is mode +n or (b) not a chanop (or mode +v) on a channel which has mode +m set or where the user is banned and is trying to send a PRIVMSG message to that channel.
405 ERR_TOOMANYCHANNELS   <channel name> :You have joined too many channels – Sent to a user when they have joined the maximum number of allowed channels and they try to join another channel.
406 ERR_WASNOSUCHNICK   <nickname> :There was no such nickname – Returned by WHOWAS to indicate there is no history information for that nickname.
407 ERR_TOOMANYTARGETS   <target> :<error code> recipients. <abort message> – Returned to a client which is attempting to send a PRIVMSG/NOTICE using the user@host destination format and for a user@host which has several occurrences. = Returned to a client which trying to send a PRIVMSG/NOTICE to too many recipients. = Returned to a client which is attempting to JOIN a safe channel using the shortname when there are more than one such channel.
408 ERR_NOSUCHSERVICE   <service name> :No such service – Returned to a client which is attempting to send a SQUERY to a service which does not exist.
409 ERR_NOORIGIN   :No origin specified – PING or PONG message missing the originator parameter.
411 ERR_NORECIPIENT   :No recipient given (<command>) – 412 – 415 are returned by PRIVMSG to indicate that the message wasn’t delivered for some reason. ERR_NOTOPLEVEL and ERR_WILDTOPLEVEL are errors that are returned when an invalid use of PRIVMSG $<server> or PRIVMSG #<host> is attempted.
412 ERR_NOTEXTTOSEND   :No text to send – 412 – 415 are returned by PRIVMSG to indicate that the message wasn’t delivered for some reason. ERR_NOTOPLEVEL and ERR_WILDTOPLEVEL are errors that are returned when an invalid use of PRIVMSG $<server> or PRIVMSG #<host> is attempted.
413 ERR_NOTOPLEVEL   <mask> :No toplevel domain specified – 412 – 415 are returned by PRIVMSG to indicate that the message wasn’t delivered for some reason. ERR_NOTOPLEVEL and ERR_WILDTOPLEVEL are errors that are returned when an invalid use of PRIVMSG $<server> or PRIVMSG #<host> is attempted.
414 ERR_WILDTOPLEVEL   <mask> :Wildcard in toplevel domain – 412 – 415 are returned by PRIVMSG to indicate that the message wasn’t delivered for some reason. ERR_NOTOPLEVEL and ERR_WILDTOPLEVEL are errors that are returned when an invalid use of PRIVMSG $<server> or PRIVMSG #<host> is attempted.
415 ERR_BADMASK   <mask> :Bad Server/host mask – 412 – 415 are returned by PRIVMSG to indicate that the message wasn’t delivered for some reason. ERR_NOTOPLEVEL and ERR_WILDTOPLEVEL are errors that are returned when an invalid use of PRIVMSG $<server> or PRIVMSG #<host> is attempted.
421 ERR_UNKNOWNCOMMAND   <command> :Unknown command – Returned to a registered client to indicate that the command sent is unknown by the server.
422 ERR_NOMOTD   :MOTD File is missing – Server’s MOTD file could not be opened by the server.
423 ERR_NOADMININFO   <server> :No administrative info available – Returned by a server in response to an ADMIN message when there is an error in finding the appropriate information.
424 ERR_FILEERROR   :File error doing <file op> on <file> – Generic error message used to report a failed file operation during the processing of a message.
431 ERR_NONICKNAMEGIVEN   :No nickname given – Returned when a nickname parameter expected for a command and isn’t found.
432 ERR_ERRONEUSNICKNAME   <nick> :Erroneous nickname – Returned after receiving a NICK message which contains characters which do not fall in the defined set. See section 2.3.1 for details on valid nicknames.
433 ERR_NICKNAMEINUSE   <nick> :Nickname is already in use – Returned when a NICK message is processed that results in an attempt to change to a currently existing nickname.
436 ERR_NICKCOLLISION   <nick> :Nickname collision KILL from <user>@<host> – Returned by a server to a client when it detects a nickname collision (registered of a NICK that already exists by another server).
437 ERR_UNAVAILRESOURCE   <nick/channel> :Nick/channel is temporarily unavailable – Returned by a server to a user trying to join a channel currently blocked by the channel delay mechanism. = Returned by a server to a user trying to change nickname when the desired nickname is blocked by the nick delay mechanism.
441 ERR_USERNOTINCHANNEL   <nick> <channel> :They aren’t on that channel – Returned by the server to indicate that the target user of the command is not on the given channel.
442 ERR_NOTONCHANNEL   <channel> :You’re not on that channel – Returned by the server whenever a client tries to perform a channel affecting command for which the client isn’t a member.
443 ERR_USERONCHANNEL   <user> <channel> :is already on channel – Returned when a client tries to invite a user to a channel they are already on.
444 ERR_NOLOGIN   <user> :User not logged in – Returned by the summon after a SUMMON command for a user was unable to be performed since they were not logged in.
445 ERR_SUMMONDISABLED   :SUMMON has been disabled – Returned as a response to the SUMMON command. MUST be returned by any server which doesn’t implement it.
446 ERR_USERSDISABLED   :USERS has been disabled – Returned as a response to the USERS command. MUST be returned by any server which does not implement it.
451 ERR_NOTREGISTERED   :You have not registered – Returned by the server to indicate that the client MUST be registered before the server will allow it to be parsed in detail.
461 ERR_NEEDMOREPARAMS   <command> :Not enough parameters – Returned by the server by numerous commands to indicate to the client that it didn’t supply enough parameters.
462 ERR_ALREADYREGISTRED   :Unauthorized command (already registered) – Returned by the server to any link which tries to change part of the registered details (such as password or user details from second USER message).
463 ERR_NOPERMFORHOST   :Your host isn’t among the privileged – Returned to a client which attempts to register with a server which does not been setup to allow connections from the host the attempted connection is tried.
464 ERR_PASSWDMISMATCH   :Password incorrect – Returned to indicate a failed attempt at registering a connection for which a password was required and was either not given or incorrect.
465 ERR_YOUREBANNEDCREEP   :You are banned from this server – Returned after an attempt to connect and register yourself with a server which has been setup to explicitly deny connections to you.
466 ERR_YOUWILLBEBANNED   RFC2812 – Sent by a server to a user to inform that access to the server will soon be denied.
467 ERR_KEYSET   <channel> :Channel key already set  
471 ERR_CHANNELISFULL   <channel> :Cannot join channel (+l)  
472 ERR_UNKNOWNMODE   <char> :is unknown mode char to me for <channel>  
473 ERR_INVITEONLYCHAN   <channel> :Cannot join channel (+i)  
474 ERR_BANNEDFROMCHAN   <channel> :Cannot join channel (+b)  
475 ERR_BADCHANNELKEY   <channel> :Cannot join channel (+k)  
Number Name   Format Comments
476 ERR_BADCHANMASK   <channel> :Bad Channel Mask  
477 ERR_NOCHANMODES   <channel> :Channel doesn’t support modes  
478 ERR_BANLISTFULL   <channel> <char> :Channel list is full  
481 ERR_NOPRIVILEGES   :Permission Denied- You’re not an IRC operator – Any command requiring operator privileges to operate MUST return this error to indicate the attempt was unsuccessful.
482 ERR_CHANOPRIVSNEEDED   <channel> :You’re not channel operator – Any command requiring ‚chanop‘ privileges (such as MODE messages) MUST return this error if the client making the attempt is not a chanop on the specified channel.
483 ERR_CANTKILLSERVER   :You can’t kill a server! – Any attempts to use the KILL command on a server are to be refused and this error returned directly to the client.
484 ERR_RESTRICTED   :Your connection is restricted! – Sent by the server to a user upon connection to indicate the restricted nature of the connection (user mode +r).
485 ERR_UNIQOPPRIVSNEEDED   :You’re not the original channel operator – Any MODE requiring channel creator privileges MUST return this error if the client making the attempt is not a chanop on the specified channel.
491 ERR_NOOPERHOST   :No O-lines for your host – If a client sends an OPER message and the server has not been configured to allow connections from the client’s host as an operator, this error MUST be returned.
501 ERR_UMODEUNKNOWNFLAG   :Unknown MODE flag – Returned by the server to indicate that a MODE message was sent with a nickname parameter and that the a mode flag sent was not recognized.
502 ERR_USERSDONTMATCH   :Cannot change mode for other users – Error sent to any user trying to view or change the user mode for a user other than themselves.