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-.\" ========================================================================
-.\"
-.IX Title "PERL-NOCEM 8"
-.TH PERL-NOCEM 8 "2008-04-06" "INN 2.4.4" "InterNetNews Documentation"
-.SH "NAME"
-perl\-nocem \- A NoCeM\-on\-spool implementation for INN\ 2.x
-.SH "SYNOPSIS"
-.IX Header "SYNOPSIS"
-perl-nocem
-.SH "DESCRIPTION"
-.IX Header "DESCRIPTION"
-NoCeM, which is pronounced \fINo See 'Em\fR, is a protocol enabling
-authenticated third-parties to issue notices which can be used
-to cancel unwanted articles (like spam and articles in moderated
-newsgroups which were not approved by their moderators). It can
-also be used by readers as a \fIthird-party killfile\fR. It is
-intended to eventually replace the protocol for third-party cancel
-messages.
-.PP
-\&\fBperl-nocem\fR processes third\-party, PGP-signed article cancellation
-notices. It is possible not to honour all NoCeM notices but only those
-which are sent by people whom you trust (that is to say if you trust
-the \s-1PGP\s0 key they use to sign their NoCeM notices). Indeed, it is up
-to you to decide whether you wish to honour their notices, depending
-on the criteria they use.
-.PP
-Processing NoCeM notices is easy to set up:
-.IP "1." 4
-Import the keys of the NoCeM issuers you trust in order to check
-the authenticity of their notices. You can do:
-.Sp
-.Vb 3
-\& gpg \-\-no\-default\-keyring \-\-primary\-keyring=/etc/news/pgp/ncmring.gpg \e
-\& \-\-no\-options \-\-allow\-non\-selfsigned\-uid \-\-no\-permission\-warning \e
-\& \-\-batch \-\-import <key\-file>
-.Ve
-.Sp
-where <pathetc> is the value of the \fIpathetc\fR parameter set in \fIinn.conf\fR
-and <key\-file> the file containing the key(s) to import. The keyring
-must be located in \fIpathetc\fR/pgp/ncmring.gpg (create the directory
-before using \fBgpg\fR). For old PGP-generated keys, you may have to use
-\&\fB\-\-allow\-non\-selfsigned\-uid\fR if they are not properly self\-signed,
-but anyone creating a key really should self-sign the key. Current
-\&\s-1PGP\s0 implementations do this automatically.
-.Sp
-The keys of NoCeM issuers can be found in the web site of \fIThe NoCeM Registry\fR:
-<http://www.xs4all.nl/~rosalind/nocemreg/nocemreg.html>. You can even
-download there a unique file which contains all the keys.
-.IP "2." 4
-Create a \fInocem.ctl\fR config file in \fIpathetc\fR indicating the NoCeM issuers
-and notices you want to follow. This permission file contains lines like:
-.Sp
-.Vb 3
-\& annihilator\-1:*
-\& clewis@ferret.ocunix:mmf
-\& stephane@asynchrone:mmf,openproxy,spam
-.Ve
-.Sp
-This will remove all articles for which the issuer (first part of the line,
-before the colon \f(CW\*(C`:\*(C'\fR) has issued NoCeM notices corresponding to the
-criteria specified after the colon.
-.Sp
-You will also find information about that on the web site of
-\&\fIThe NoCeM Registry\fR.
-.IP "3." 4
-Add to the \fInewsfeeds\fR file an entry like this one in order to feed
-\&\fBperl-nocem\fR the NoCeM notices posted to alt.nocem.misc and
-news.lists.filters:
-.Sp
-.Vb 3
-\& nocem!\e
-\& :!*,alt.nocem.misc,news.lists.filters\e
-\& :Tc,Wf,Ap:<pathbin>/perl\-nocem
-.Ve
-.Sp
-with the correct path to \fBperl-nocem\fR, located in <pathbin>. Then, reload
-the \fInewsfeeds\fR file (\f(CW\*(C`ctlinnd reload newsfeeds 'NoCeM channel feed'\*(C'\fR).
-.Sp
-Note that you should at least carry news.lists.filters on your news
-server (or other newsgroups where NoCeM notices are sent) if you wish
-to process them.
-.IP "4." 4
-Everything should now work. However, do not hesitate to manually test
-\&\fBperl-nocem\fR with a NoCeM notice, using:
-.Sp
-.Vb 1
-\& grephistory '<Message\-ID>' | perl\-nocem
-.Ve
-.Sp
-Indeed, \fBperl-nocem\fR expects tokens on its standard input, and
-\&\fBgrephistory\fR can easily give it the token of a known article,
-thanks to its Message\-ID.
-.PP
-When you have verified that everything works, you can eventually turn
-off regular spam cancels, if you want, not processing any longer
-cancels containing \f(CW\*(C`cyberspam\*(C'\fR in the Path: header (see the
-\&\fIrefusecybercancels\fR parameter in \fIinn.conf\fR).
-.SH "FILES"
-.IX Header "FILES"
-.IP "\fIpathbin\fR/perl\-nocem" 4
-.IX Item "pathbin/perl-nocem"
-The Perl script itself used to process NoCeM notices.
-.IP "\fIpathetc\fR/nocem.ctl" 4
-.IX Item "pathetc/nocem.ctl"
-The configuration file which specifies the NoCeM notices to be processed.
-.IP "\fIpathetc\fR/pgp/ncmring.gpg" 4
-.IX Item "pathetc/pgp/ncmring.gpg"
-The keyring which contains the public keys of trusted NoCeM issuers.
-.SH "BUGS"
-.IX Header "BUGS"
-The Subject: header is not checked for the @@NCM string and there is no
-check for the presence of the References: header.
-.PP
-The Newsgroups: pseudo header is not checked, but this can be done in
-\&\fIlocal_want_cancel_id()\fR.
-.PP
-The Hierarchies: header is ignored.
-.SH "HISTORY"
-.IX Header "HISTORY"
-Copyright 2000 by Miquel van Smoorenburg <miquels@cistron.nl>.
-.PP
-Copyright 2001 by Marco d'Itri <md@linux.it>.
-.PP
-$Id: perl-nocem.8 7733 2008-04-06 09:16:20Z iulius $
-.SH "SEE ALSO"
-.IX Header "SEE ALSO"
-\&\fIgpgv\fR\|(1), \fIgrephistory\fR\|(1), \fIinn.conf\fR\|(5), \fInewsfeeds\fR\|(5), \fIpgp\fR\|(1).