CYRUS-FUD(8) - Linux man page online | Administration and privileged commands

Provide information about user mailboxes.

Project Cyrus
FUD(8) System Manager's Manual FUD(8)


FUD - provide information about user mailboxes


fud [ -C config-file ] [ -U uses ] [ -T timeout ] [ -D ]


FUD is a long lived datagram daemon started from cyrmaster that provides information about when a user last read their mail, when mail last arrived in a user's mailbox, and how many messages are recent for that user. Note that for FUD to run properly you must set proto=udp in its cyrus.conf services entry. prefork=1 is also recommended. FUD will automatically proxy any and all FUD requests to the appropriate backend server if it is runing on a Cyrus Murder frontend machine. FUD reads its configuration options out of the imapd.conf(5) file unless specified other‐ wise by -C.


-C config-file Read configuration options from config-file. -U uses The maximum number of times that the process should be used for new connections before shutting down. The default is 250. -T timeout The number of seconds that the process will wait for a new connection before shut‐ ting down. Note that a value of 0 (zero) will disable the timeout. The default is 60. -D Run external debugger specified in debug_command.


/etc/imapd.conf Default configuration file. /etc/cyrus.conf Cyrus Master process configuration file.


Though not really a bug, FUD will silently ignore any requests that it does not consider valid. Also not really a bug, FUD requires that the anonymous user has the 0 (zero) right on the mailbox in question. This is only a "bug" because 0 is not a standard IMAP ACL bit. FUD is an experimental interface meant to provide information to build a finger-like ser‐ vice around. Eventually it should be superceded by a more standards-based protocol.
CMU Project Cyrus FUD(8)
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