Tip of the day: If you still have users on plaintext port 6667, consider enabling Strict Transport Security to gently move users to SSL/TLS on port 6697.

Server protocol:User ID

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UID's consist of alphanumerical characters and can (not must!) theoretically be used at any place where you use a nick name. The first 3 characters identify the SID of the server where the user is on (this is part of the UID) and thus a UID will always start with a digit.

The benefit of using UID's is that it really uniquely identifies a user regardless of the current nick name. This allows us to solve some long-standing problems where nick collisions and race conditions that cause desynchs such as 'ghosts' in a channel.


:One NOTICE Two :Hi there

Can become:


As you can see, it doesn't necessarily shorten the length, that isn't the purpose of UID. The benefit of UID is the uniqueness described earlier.

See also: