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Manual Reference Pages  -  NET::SSLGLUE::LWP (3)

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NAME

Net::SSLGlue::LWP - proper certificate checking for https in LWP

CONTENTS

SYNOPSIS u use Net::SSLGlue::LWP SSL_ca_path => ...; use LWP::Simple; get( ’https://www....’ );



    {
        local %Net::SSLGlue::LWP::SSLopts = %Net::SSLGlue::LWP::SSLopts;

        # switch off verification
        $Net::SSLGlue::LWP::SSLopts{SSL_verify_mode} = 0;

        # or: set different verification policy, because cert does
        # not conform to RFC (wildcards in CN are not allowed for https,
        # but some servers do it anyway)
        $Net::SSLGlue::LWP::SSLopts{SSL_verifycn_scheme} = {
            wildcards_in_cn => anywhere,
            check_cn => always,
        };
    }



DESCRIPTION

Net::SSLGlue::LWP modifies Net::HTTPS and LWP::Protocol::https so that Net::HTTPS is forced to use IO::Socket::SSL instead of Crypt::SSLeay, and that LWP::Protocol::https does proper certificate checking using the http SSL_verify_scheme from IO::Socket::SSL.

This module should only be used for older LWP version, see <B>Supported LWP versionsB> below.

Because LWP does not have a mechanism to forward arbitrary parameters for the construction of the underlying socket these parameters can be set globally when including the package, or with local settings of the %Net::SSLGlue::LWP::SSLopts variable.

All of the SSL_* parameter from IO::Socket::SSL can be used; the following parameters are especially useful:
SSL_ca_path, SSL_ca_file Specifies the path or a file where the CAs used for checking the certificates are located. This is typically etc/ssl/certs on UNIX systems.
SSL_verify_mode If set to 0, verification of the certificate will be disabled. By default it is set to 1 which means that the peer certificate is checked.
SSL_verifycn_name Usually the name given as the hostname in the constructor is used to verify the identity of the certificate. If you want to check the certificate against another name you can specify it with this parameter.

Supported LWP versions

This module should be used for older LWP version only. Starting with version 6.06 it is recommended to use LWP directly. If a recent version is found Net::SSLGlue::LWP will print out a warning and not monkey patch too much into LWP (only as much as necessary to still support %Net::SSLGlue::LWP::SSLopts).

SEE ALSO

IO::Socket::SSL, LWP, Net::HTTPS, LWP::Protocol::https

COPYRIGHT

This module is copyright (c) 2008..2015, Steffen Ullrich. All Rights Reserved. This module is free software. It may be used, redistributed and/or modified under the same terms as Perl itself.
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perl v5.20.3 NET::SSLGLUE::LWP (3) 2015-04-28

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