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|
001 RPL_WELCOME
"Welcome to the Internet Relay Network
<nick>!<user>@<host>"
002 RPL_YOURHOST
"Your host is <servername>, running version <ver>"
003 RPL_CREATED
"This server was created <date>"
004 RPL_MYINFO
"<servername> <version> <available user modes>
<available channel modes>"
- The server sends Replies 001 to 004 to a user upon
successful registration.
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
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.
302 RPL_USERHOST
":*1<reply> *( " " <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> *( " " <nick> )"
- Reply format used by ISON to list replies to the
query list.
301 RPL_AWAY
"<nick> :<away message>"
305 RPL_UNAWAY
":You are no longer marked as being away"
306 RPL_NOWAWAY
":You have been marked as being away"
- 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.
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>"
312 RPL_WHOISSERVER
"<nick> <server> :<server info>"
313 RPL_WHOISOPERATOR
"<nick> :is an IRC operator"
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
317 RPL_WHOISIDLE
"<nick> <integer> :seconds idle"
318 RPL_ENDOFWHOIS
"<nick> :End of WHOIS list"
319 RPL_WHOISCHANNELS
"<nick> :*( ( "@" / "+" ) <channel> " " )"
- Replies 311 - 313, 317 - 319 are all replies
generated in response to a WHOIS message. Given that
there are enough parameters present, the answering
server MUST either formulate a reply out of the above
numerics (if the query nick is found) or return an
error reply. The '*' in RPL_WHOISUSER is there as
the literal character and not as a wild card. 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. The RPL_ENDOFWHOIS reply is used to mark
the end of processing a WHOIS message.
314 RPL_WHOWASUSER
"<nick> <user> <host> * :<real name>"
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).
321 RPL_LISTSTART
Obsolete. Not used.
322 RPL_LIST
"<channel> <# visible> :<topic>"
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.
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
325 RPL_UNIQOPIS
"<channel> <nickname>"
324 RPL_CHANNELMODEIS
"<channel> <mode> <mode params>"
331 RPL_NOTOPIC
"<channel> :No topic is set"
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>"
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>"
349 RPL_ENDOFEXCEPTLIST
"<channel> :End of channel exception list"
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
- 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>"
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.
353 RPL_NAMREPLY
"( "=" / "*" / "@" ) <channel>
:[ "@" / "+" ] <nick> *( " " [ "@" / "+" ] <nick> )
- "@" is used for secret channels, "*" for private
channels, and "=" for others (public channels).
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
Kalt Informational [Page 47]
RFC 2812 Internet Relay Chat: Client Protocol April 2000
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.
364 RPL_LINKS
"<mask> <server> :<hopcount> <server info>"
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.
367 RPL_BANLIST
"<channel> <banmask>"
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.
371 RPL_INFO
":<string>"
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 - "
372 RPL_MOTD
":- <text>"
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
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
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.
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.
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"
393 RPL_USERS
":<username> <ttyline> <hostname>"
394 RPL_ENDOFUSERS
":End of users"
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.
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
200 RPL_TRACELINK
"Link <version & debug level> <destination>
<next server> V<protocol version>
<link uptime in seconds> <backstream sendq>
<upstream sendq>"
201 RPL_TRACECONNECTING
"Try. <class> <server>"
202 RPL_TRACEHANDSHAKE
"H.S. <class> <server>"
203 RPL_TRACEUNKNOWN
"???? <class> [<client IP address in dot form>]"
204 RPL_TRACEOPERATOR
"Oper <class> <nick>"
205 RPL_TRACEUSER
"User <class> <nick>"
206 RPL_TRACESERVER
"Serv <class> <int>S <int>C <server>
<nick!user|*!*>@<host|server> V<protocol version>"
207 RPL_TRACESERVICE
"Service <class> <name> <type> <active type>"
208 RPL_TRACENEWTYPE
"<newtype> 0 <client name>"
209 RPL_TRACECLASS
"Class <class> <count>"
210 RPL_TRACERECONNECT
Unused.
261 RPL_TRACELOG
"File <logfile> <debug level>"
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.
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'.
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.
Kalt Informational [Page 50]
RFC 2812 Internet Relay Chat: Client Protocol April 2000
RPL_TRACENEWTYPE is to be used for any connection
which does not fit in the other categories but is
being displayed anyway.
RPL_TRACEEND is sent to indicate the end of the list.
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.
219 RPL_ENDOFSTATS
"<stats letter> :End of STATS report"
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.
221 RPL_UMODEIS
"<user mode string>"
- To answer a query about a client's own mode,
RPL_UMODEIS is sent back.
234 RPL_SERVLIST
"<name> <server> <mask> <type> <hopcount> <info>"
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
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.
251 RPL_LUSERCLIENT
":There are <integer> users and <integer>
services on <integer> servers"
252 RPL_LUSEROP
"<integer> :operator(s) online"
253 RPL_LUSERUNKNOWN
"<integer> :unknown connection(s)"
254 RPL_LUSERCHANNELS
"<integer> :channels formed"
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"
257 RPL_ADMINLOC1
":<admin info>"
258 RPL_ADMINLOC2
":<admin info>"
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)
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RFC 2812 Internet Relay Chat: Client Protocol April 2000
and finally the administrative contact for the
server (an email address here is REQUIRED)
in RPL_ADMINEMAIL.
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.
5.2 Error Replies
Error replies are found in the range from 400 to 599.
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.
Kalt Informational [Page 53]
RFC 2812 Internet Relay Chat: Client Protocol April 2000
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 ERR_NOTEXTTOSEND
":No text to send"
413 ERR_NOTOPLEVEL
"<mask> :No toplevel domain specified"
414 ERR_WILDTOPLEVEL
"<mask> :Wildcard in toplevel domain"
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.
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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.
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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.
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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.
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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
- 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)"
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.
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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.
231 RPL_SERVICEINFO
232 RPL_ENDOFSERVICES
233 RPL_SERVICE
300 RPL_NONE
316 RPL_WHOISCHANOP
361 RPL_KILLDONE
362 RPL_CLOSING
363 RPL_CLOSEEND
373 RPL_INFOSTART
384 RPL_MYPORTIS
213 RPL_STATSCLINE
214 RPL_STATSNLINE
215 RPL_STATSILINE
216 RPL_STATSKLINE
217 RPL_STATSQLINE
218 RPL_STATSYLINE
240 RPL_STATSVLINE
241 RPL_STATSLLINE
244 RPL_STATSHLINE
244 RPL_STATSSLINE
246 RPL_STATSPING
247 RPL_STATSBLINE
250 RPL_STATSDLINE
492 ERR_NOSERVICEHOST
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