Authen::SASL::Perl man page on UnixWare

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Authen::SASL::Perl(3) User Contributed Perl DocumentationAuthen::SASL::Perl(3)

       Authen::SASL::Perl -- Perl implementation of the SASL Authentication

	use Authen::SASL qw(Perl);

	$sasl = Authen::SASL->new(
	  mechanism => 'CRAM-MD5 PLAIN ANONYMOUS',
	  callback => {
	    user => $user,
	    pass => \&fetch_password

       Authen::SASL::Perl is the pure Perl implementation of SASL mechanisms
       in the Authen::SASL framework.

       At the time of this writing it provides the client part implementation
       for the following SASL mechanisms:

	   The Anonymous SASL Mechanism as defined in RFC 2245 resp.  in IETF
	   Draft draft-ietf-sasl-anon-03.txt from February 2004 provides a
	   method to anonymously access internet services.

	   Since it does no authentication it does not need to send any confi‐
	   dential information such as passwords in plain text over the net‐

	   The CRAM-MD5 SASL Mechanism as defined in RFC2195 resp.  in IETF
	   Draft draft-ietf-sasl-crammd5-02.txt from January 2004 offers a
	   simple challenge-response authentication mechanism.

	   Since it is a challenge-response authentication mechanism no pass‐
	   words are transferred in clear-text over the wire.

	   Due to the simplicity of the protocol CRAM-MD5 is susceptible to
	   replay and dictionary attacks, so DIGEST-MD5 should be used in pre‐

	   The DIGEST-MD5 SASL Mechanism as defined in RFC 2831 resp.  in IETF
	   Draft draft-ietf-sasl-rfc2831bis-03.txt from February 2004 offers
	   the HTTP Digest Access Authentication as SASL mechanism.

	   Like CRAM-MD5 it is a challenge-response authentication method that
	   does not send plain text passwords over the network.

	   Compared to CRAM-MD5, DIGEST-MD5 prevents chosen plaintext attacks,
	   and permits the use of third party authentication servers, so that
	   it is recommended to use DIGEST-MD5 instead of CRAM-MD5 when possi‐

	   The EXTERNAL SASL mechanism as defined in RFC 2222 allows the use
	   of external authentication systems as SASL mechanisms.

	   The LOGIN SASL Mechanism as defined in IETF Draft draft-murchi‐
	   son-sasl-login-00.txt from August 2003 allows  the combination of
	   username and clear-text password to be used in a SASL mechanism.

	   It does does not provide a security layer and sends the credentials
	   in clear over the wire.  Thus this mechanism should not be used
	   without adequate security protection.

	   The Plain SASL Mechanism as defined in RFC 2595 resp. IETF Draft
	   draft-ietf-sasl-plain-04.txt from February 2004 is another SASL
	   mechanism that allows username and clear-text password combinations
	   in SASL environments.

	   Like LOGIN it sends the credentials in clear over the network and
	   should not be used without sufficient security protection.

       Authen::SASL, Authen::SASL::Cyrus::ANONYMOUS,
       Authen::SASL::Cyrus::CRAM_MD5, Authen::SASL::Cyrus::DIGEST_MD5,
       Authen::SASL::Cyrus::EXTERNAL, Authen::SASL::Cyrus::LOGIN,

       Peter Marschall <>

       Please report any bugs, or post any suggestions, to the perl-ldap mail‐
       ing list <>

       Copyright (c) 2004 Peter Marschall.  All rights reserved. This document
       is distributed, and may be redistributed, under the same terms as Perl

perl v5.8.8			  2006-03-25		 Authen::SASL::Perl(3)
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