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https://github.com/matrix-construct/construct
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377 lines
12 KiB
Text
377 lines
12 KiB
Text
<chapter id="umodes">
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<title>Umodes</title>
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<sect1 id="umodelist">
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<title>Meanings of user modes</title>
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<sect2>
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<title>+a, server administrator</title>
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<para>
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This vanity usermode is used to denote a server administrator in WHOIS output.
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All local <quote>admin</quote> privileges are independent of it, though services
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packages may grant extra privileges to +a users.
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</para>
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</sect2>
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<sect2>
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<title>+D, deaf</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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Users with the +D umode set will not receive messages sent to
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channels. Joins, parts, topic changes, mode changes, etc are
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received as normal, as are private messages.
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</para>
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<para>
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Support of this umode is indicated by the DEAF token in
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RPL_ISUPPORT (005); the parameter indicates the letter
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of the umode. Note that several common IRCD implementations have
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an umode like this (typically +d) but do not have the token in 005.
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</para>
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</sect2>
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<sect2>
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<title>+g, Caller ID</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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Users with the +g umode set will only receive private messages from users on a
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session-defined whitelist, defined by the /accept command. If a user who is not
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on the whitelist attempts to send a private message, the target user will receive a rate-limited notice saying that the user
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wishes to speak to them.
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</para>
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<para>
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Network operators are not affected by the callerid whitelist system in the event
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that they need to speak to users who have it enabled.
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</para>
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<para>
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Support of this umode is indicated by the CALLERID token in
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RPL_ISUPPORT (005); the optional parameter indicates the letter
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of the umode, otherwise +g.
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</para>
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</sect2>
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<sect2>
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<title>+i, invisible</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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Invisible users do not show up in WHO and NAMES unless you can see them.
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</para>
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</sect2>
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<!-- not planned (jilles)
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<sect2>
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<title>+I, refuse invite</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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If you have the +I umode set, nobody will be able to issue an INVITE to let you
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in to a channel.
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</para>
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<para>
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This mode is not yet implemented. It will be implemented in Charybdis 1.1.
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</para>
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</sect2>
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-->
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<sect2>
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<title>+l, receive locops</title>
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<para>
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LOCOPS is a version of OPERWALL that is sent to opers on a single
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server only. With cluster{} and shared{} blocks they can optionally
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be propagated further.
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</para>
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<para>
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Unlike OPERWALL, any oper can send and receive LOCOPS.
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</para>
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</sect2>
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<sect2>
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<title>+o, operator</title>
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<para>
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This indicates global operator status.
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</para>
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</sect2>
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<sect2>
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<title>+Q, disable forwarding</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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This umode prevents you from being affected by channel forwarding.
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If enabled on a channel, channel forwarding sends you to another
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channel if you could not join. See channel mode +f for more
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information.
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</para>
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</sect2>
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<sect2>
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<title>+R, reject messages from unauthenticated users</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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If a user has the +R umode set, then any users who are not authenticated
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will receive an error message if they attempt to send a private
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message or notice to the +R user.
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</para>
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<para>
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Opers and accepted users (like in +g) are exempt.
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Unlike +g, the target user is not notified of failed messages.
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</para>
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</sect2>
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<sect2>
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<title>+s, receive server notices</title>
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<para>
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This umode allows an oper to receive server notices.
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The requested types of server notices are specified as a
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parameter (<quote>snomask</quote>) to this umode.
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</para>
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</sect2>
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<sect2>
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<title>+S, network service</title>
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<para>
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<note>
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<para>
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This umode can only be set by servers named in a service{}
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block.
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</para>
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</note>
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This umode grants various features useful for services. For example,
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clients with this umode cannot be kicked or deopped on channels,
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can send to any channel, do not show channels in WHOIS,
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can be the target of services aliases and do not appear in /stats p.
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No server notices are sent for hostname changes by services clients;
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server notices about kills are sent to snomask +k instead of +s.
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</para>
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<para>
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The exact effects of this umode are variable; no user or oper on
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an actual charybdis server can set it.
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</para>
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</sect2>
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<sect2>
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<title>+w, receive wallops</title>
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<para>
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<note>
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<para>
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This is a user umode, which anybody can set. It is not specific to operators.
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</para>
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</note>
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Users with the +w umode set will receive WALLOPS messages sent by opers.
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Opers with +w additionally receive WALLOPS sent by servers (e.g.
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remote CONNECT, remote SQUIT, various severe misconfigurations,
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many services packages).
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</para>
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</sect2>
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<sect2>
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<title>+z, receive operwall</title>
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<para>
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OPERWALL differs from WALLOPS in that the ability to receive such messages is
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restricted. Opers with +z set will receive OPERWALL messages.
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</para>
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</sect2>
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<sect2>
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<title>+Z, SSL user</title>
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<para>
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This umode is set on clients connected via SSL/TLS.
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It cannot be set or unset after initial connection.
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</para>
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</sect2>
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</sect1>
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<sect1 id="snomaskusage">
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<title>Snomask usage</title>
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<para>
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Usage is as follows:
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</para>
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<cmdsynopsis><command>MODE</command>
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<arg choice=plain><replaceable>nick</replaceable></arg>
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<arg choice=plain>+s</arg>
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<arg choice=plain><replaceable>+/-flags</replaceable></arg>
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</cmdsynopsis>
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<para>
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To set snomasks.
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</para>
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<cmdsynopsis><command>MODE</command>
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<arg choice=plain><replaceable>nick</replaceable></arg>
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<arg choice=plain>-s</arg>
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</cmdsynopsis>
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<para>
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To clear all snomasks.
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</para>
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<para>
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Umode +s will be set if at least one snomask is set.
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</para>
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<para>
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Umode +s is oper only by default, but even if you allow nonopers to
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set it, they will not get any server notices.
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</para>
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</sect1>
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<sect1 id="snomasklist">
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<title>Meanings of server notice masks</title>
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<sect2>
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<title>+b, bot warnings</title>
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<para>
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Opers with the +b snomask set will receive warning messages from the server when potential
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flooders and spambots are detected.
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</para>
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</sect2>
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<sect2>
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<title>+c, client connections</title>
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<para>
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Opers who have the +c snomask set will receive server notices when clients attach to the
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local server.
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</para>
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</sect2>
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<sect2>
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<title>+C, extended client connection notices</title>
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<para>
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Opers who have the +C snomask set will receive server notices when clients attach to the
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local server. Unlike the +c snomask, the information is displayed in a format intended
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to be parsed by scripts, and includes the two unused fields of the USER command.
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</para>
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</sect2>
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<sect2>
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<title>+d, debug</title>
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<para>
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The +d snomask provides opers extra information which may be of interest to debuggers.
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It will also cause the user to receive server notices if certain assertions fail inside the
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server. Its precise meaning is variable. Do not depend on the
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effects of this snomask as they can and will change without notice in later revisions.
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</para>
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</sect2>
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<sect2>
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<title>+f, full warning</title>
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<para>
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Opers with the +f snomask set will receive notices when a user
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connection is denied because a connection limit is exceeded
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(one of the limits in a class{} block, or the total per-server
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limit settable with /quote set max).
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</para>
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</sect2>
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<sect2>
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<title>+F, far client connection notices</title>
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<para>
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<note>
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<para>
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This snomask is only available if the <filename>sno_farconnect.so</filename> extension is loaded.
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</para>
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</note>
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Opers with +F receive server notices when clients connect or
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disconnect on other servers. The notices have the same format
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as those from the +c snomask, except that the class is ? and
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the source server of the notice is the server the user is/was on.
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</para>
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<para>
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No notices are generated for netsplits and netjoins.
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Hence, these notices cannot be used to keep track of all
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clients on the network.
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</para>
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<para>
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There is no far equivalent of the +C snomask.
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</para>
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</sect2>
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<sect2>
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<title>+k, server kill notices</title>
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<para>
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Opers with the +k snomask set will receive server notices when
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services kill users and when
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other servers kill and save (forced nick change to UID) users.
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Kills and saves by this server are on +d or +s.
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</para>
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</sect2>
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<sect2>
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<title>+n, nick change notices</title>
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<para>
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An oper with +n set will receive a server notice every time a local user changes their nick,
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giving the old and new nicks.
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This is mostly useful for bots that track all users on a single server.
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</para>
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</sect2>
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<sect2>
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<title>+r, notices on name rejections</title>
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<para>
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Opers with this snomask set will receive a server notice when somebody tries to use an
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invalid username, or if a dumb HTTP proxy tries to connect.
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</para>
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</sect2>
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<sect2>
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<title>+s, generic server notices</title>
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<para>
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This snomask allows an oper to receive generic server notices.
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This includes kills from opers (except services).
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</para>
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</sect2>
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<sect2>
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<title>+u, unauthorized connections</title>
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<para>
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This snomask allows an oper to see when users try to connect who do not have an
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available auth{} block.
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</para>
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</sect2>
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<sect2>
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<title>+W, whois notifications</title>
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<para>
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<note>
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<para>
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This snomask is only available if the <filename>sno_whois.so</filename> extension is loaded.
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</para>
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</note>
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Opers with +W receive notices when a WHOIS is executed on them
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on their server (showing idle time).
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</para>
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</sect2>
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<sect2>
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<title>+x, extra routing notices</title>
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<para>
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Opers who have the +x snomask set will get notices about servers
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connecting and disconnecting on the whole network. This includes
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all servers connected behind the affected link. This can get
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rather noisy but is useful for keeping track of all linked
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servers.
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</para>
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</sect2>
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<sect2>
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<title>+y, spy</title>
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<para>
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Opers with +y receive notices when users try to join RESV'ed (<quote>juped</quote>) channels.
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Additionally, if certain extension modules are loaded, they will
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receive notices when special commands are used.
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</para>
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</sect2>
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<sect2>
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<title>+Z, operspy notices</title>
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<para>
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Opers with +Z receive notices whenever an oper anywhere on the
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network uses operspy.
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</para>
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<para>
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This snomask can be configured to be only effective for admins.
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</para>
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</sect2>
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</sect1>
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</chapter>
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<!-- Keep this comment at the end of the file
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Local variables:
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sgml-omittag:t
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sgml-parent-document: ("charybdis-oper-guide.sgml" "book")
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sgml-exposed-tags:nil
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fill-column: 105
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sgml-validate-command: "nsgmls -e -g -s -u charybdis-oper-guide.sgml"
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End:
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-->
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