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212380e3f4
+ branches/release-2.1 -> 2.2 base + 3.0 -> branches/cxxconversion + backport some immediate 3.0 functionality for 2.2 + other stuff
140 lines
5.4 KiB
Text
140 lines
5.4 KiB
Text
User Mode +g Documentation
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Hybrid 7 includes a new and power feature that all users can take advantage
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of to help prevent flooding and unwanted messages. This new feature is
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invoked by setting user mode +g. When a client is set +g, that user will
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be in "Caller ID" mode. Any user that messages a +g client will receive
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a notice saying that they are in +g (server side ignore) mode. The target
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client (who is set +g) will also receive a notice saying that so and so
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messaged them, and that they are in +g mode.
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The target of the message will only receive one notification per minute, from
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any client, in order to help prevent flooding. The sender will NOT have the
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rate limit, and will receive a notice saying the target is in +g mode every
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time they send a message. Note that this behavior is similar to the way AWAY
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messages are done.
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There are numerous benefits for both opers and regular users, including the
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ability to stop spambot messages from ever reaching your client, stopping
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private message and CTCP floods, and being able to sit on IRC in privacy.
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One question that arises is how to message specific users, while blocking
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out everyone else. The command ACCEPT is your answer. To add a user to
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your accept list, issue the raw command ACCEPT <nick>,<nick>,<nick>,...
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You will not receive a reply from the ACCEPT command if it is succesful,
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only if an error has occured. There are three possible errors, shown by
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numerics:
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ERR_ACCEPTFULL (456): :irc.server 456 client :Accept list is full
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- This is sent when an accept list is full.
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ERR_ACCEPTEXIST (457): :irc.server 457 client target :already exists
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- This is sent when a client tries to add a user to the accept list
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that already exists there
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ERR_ACCEPTNOT (458): :irc.server 458 client target :doesnt exist
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- This is sent when a client tries to remove a user from their accept
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list who is not on the accept list.
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That user will now be able to send messages to your client until the
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association is broken.
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Associations break in one of the following situations: when an accepted user
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QUIT's (or is on the other side of a split), you QUIT, or the accepted user
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changes their nick. The reason why a remote user's nick change will remove
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them from your accept list is so that you cannot track a user after they
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changed their nick.
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Viewing the accept list is also very easy. Issue the raw command ACCEPT *.
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Removing a user from your accept list is also simple. Issue the command
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ACCEPT -<nick>.
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Sample Session
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The easiest way to see how this works is by experiencing it. Seeing a sample
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session can help understand what goes on though.
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Client Hwy-LL is set +g initially.
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Client Hwy101 wants to message Hwy-LL
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Note that some clients may have to use /quote ACCEPT instead of /accept.
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--
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Client Hwy101: /msg Hwy-LL hi
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Hwy101 will see: -Hwy-LL- *** I'm in +g mode (server side ignore).
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-Hwy-LL- *** I've been informed you messaged me.
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Hwy-LL will see: Client Hwy101 [wcampbel@admin.irc.monkie.org] is messaging
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you and you are +g
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The sender will receive the NOTICE from the target of the message, while
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the recipient will receive the NOTICE from the server.
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--
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If Hwy101 sends another message to Hwy-LL (before the minute expires), he will
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see: -Hwy-LL- *** I'm in +g mode (server side ignore).
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and will not receive the second notice
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Hwy-LL will NOT see any notice.
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--
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Hwy-LL now wishes to see messages from Hwy101 and SpamBot
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Client Hwy-LL: /accept Hwy101,SpamBot
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Neither side will be told of the change in the accept list, Hwy-LL should
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presume that the accept was succesful if no error occurs.
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Now Hwy-LL can see messages from Hwy101 and SpamBot without any blockage.
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If Hwy101 was also set +g, then he would have to issue /accept Hwy-LL
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before he would be able to see messages from Hwy-LL.
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--
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Hwy-LL now wants to see who is on his accept list.
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Client Hwy-LL: /accept *
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Hwy-LL will see:
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irc.server 281 Hwy-LL Hwy101 SpamBot
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irc.server 282 Hwy-LL :End of /ACCEPT list
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The replies are in numeric form to help parsing by scripts.
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--
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Hwy-LL realises he added a spambot to his list, and wants to remove it, and
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allow messages from services
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Client Hwy-LL: /accept -SpamBot,services
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Hwy-LL will now only accept messages from Hwy101 and services.
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--
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The nicks to be added can be in ANY order, however you cannot add or remove
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AND list.
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/ACCEPT x,y,-z,f,-a would be acceptable.
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/ACCEPT x,y,-z,* would ignore the * and generate an invalid nick
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response.
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Like Dalnet and Undernet's SILENCE system, the accept list only exists while
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you are connected to IRC. In order for you to have the same accept list
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every time you come onto IRC, you must put the accept commands into your
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client's auto-perform, or manually issue the commands each time.
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This system may seem similar to the SILENCE system, but it is actually a
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reverse SILENCE. SILENCE ignores certain users and allows the rest. Mode
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+g ignores all users except certain ones (on your accept list.) Both systems
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have their place, but the mode +g in Hybrid 7 is what the developers thought
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would be most useful for clients.
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The goals of this user mode is to provide protection from flooding and
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spamming, and to provide users with a means to keep their privacy.
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We hope that these goals are obtained.
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--
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W. Campbell
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$Id: modeg.txt 6 2005-09-10 01:02:21Z nenolod $
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