PKSD(8) System Manager's Manual PKSD(8) NAME pksd - OpenPGP Public Key Server Daemon SYNOPSIS pksd FILE DESCRIPTION pksd is a daemon which implements the functions of an OpenPGP public key server. It supports key searches, requests, additions, and modifications via web and e-mail interfaces. The server takes a single argument, which is the name of the configuration file. The format of this file is documented in pksd.conf(5). The server supports queries via a modified version of HTTP known as HKP (which allows for queries via web browsers), MRHKP (the machine-readable HKP format), and an e-mail interface. HKP is implemented by a few form URI's which are described in the accompanying design document. MRHKP has its own design document. The e-mail interface is described in the pks_help documents. In order to control the running daemon, the pksdctl(8) program is used to send messages to the running server via a unix domain socket. The type and syntax of these messages is documented in the pksdctl(8) man page. INCREMENTAL MESSAGES The mail server is also used for incremental distribution of modifications between peer key servers. When a key server receives an update (meaning new keys, signatures, revocations, etc.), this update is forwarded to the servers listed as peers (with the syncsite keyword) in the pksd.conf(5) file. In order to avoid updates looping forever, the servers which have processed the update are listed in the message. To improve performance, when an incremental or add is received, only the part(s) of that request which are not already part of the key server data- base are included. If an incremental or add contains no new data, no in- cremental is generated at all. DISABLED KEYS It is not useful to remove a key from the key server database. Keys in use will likely be sent to a key server again. Keys not in use are best left on the key server for archival purposes. In the future, someone might need to verify a signature from such a key, for example. In order to remove a key from circulation for whatever reason, the key can be made "disabled". This server uses the disabled flag in the OpenPGP file format. To prevent this flag from being misused, the disabled flag is treated as a special case. When a keyring is merged into the database, the disabled flags are ignored. Disabled keys in the database cannot be retrieved from the database, but they are returned by searches. FILES pksd.conf AUTHOR Marc Horowitz, Massachusetts Institute of Technology BUGS Visit the bug tracking system linked from http://source- forge.net/projects/pks to view or report bugs. COPYRIGHT Copyright (c) 1996, 1997, 1998, 1999, Marc Horowitz. All rights reserved. This software doesn't have a warranty, express or implied. See the LICENSE file in the source distribution for full conditions. SEE ALSO pksclient(8), pksd.conf(5), pksdctl(8), pks-intro(8) 17 November 1996 PKSD(8)
NAME | SYNOPSIS | DESCRIPTION | INCREMENTAL MESSAGES | DISABLED KEYS | FILES | AUTHOR | BUGS | COPYRIGHT | SEE ALSO
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