Common NNTP Extensions


Be sure to read the "RKT couplings" below for additional information, comments, and links.

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NNTP-Ext 2.11 The XROVER command


    XROVER [range]

    The XROVER command returns reference information from the
    overview database for the article(s) specified. This command
    first appeared in the Unix reference implementation.

    The optional range argument may be any of the following:
        an article number
        an article number followed by a dash to indicate
             all following
        an article number followed by a dash followed by
            another article number

    Successful responses start with a 224 response followed by
    the contents of reference information for all matched messages. Once
    the output is complete, a period is sent on a line by
    itself. If no argument is specified, the information for
    the current article is returned.  A news group must have
    been selected earlier, else a 412 error response is returned.
    If no articles are in the range specified, a 420 error
    response is returned by the server. A 502 response will be
    returned if the client only has permission to transfer
    articles.

    The output will be formatted with the article number,
    followed by the contents of the References: line for that article,
    but does not contain the field name itself.

    This command provides the same basic functionality as using
    the XHDR command and "references" as the header argument.

2.11.1 Responses

        224 Overview information follows
        412 No news group current selected
        420 No article(s) selected
        502 no permission


[Source:"draft-ietf-nntp-imp-02.txt"] [Last Changed:March 1998]
[Copyright: 1998 S. Barber]

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(Corrections, notes, and links for Usenet RKT.)
by Mib Software, NNTP software and consulting


Note that all RFC977 2.4.3. General Responses may also be received.

Overview and Related Topics
Up to: NNTP-Ext 2. Newsreader Extensions
NNTP Command Syntax
NNTP Response Syntax
NNTP-Ext 2.8 XOVER
NNTP-Ext 2.6 XHDR



RKT Rapid-Links:[Search] [RKT Tips] Path:For Developers / NNTProtocol / NNTP-Ext / Newsreader Extensions / 0028.htm

Copyright 1998, Forrest J. Cavalier III
Mib Software, NNTP software and consulting