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Appendix G Security Consideration

    * run in the installation if you use recommended secure cf template.

       % env RECOMMEND=yes perl makefml install

    	% make secure

    run "make secure" in your ML HOME to enable typical secure
    options. These are a part of the following ones. Configurations to add
    follow:

    $INCOMING_MAIL_SIZE_LIMIT	= 512000;
    $USE_LOG_MAIL			= 1;
    $USE_DISTRIBUTE_FILTER		= 1;
    $FILTER_ATTR_REJECT_COMMAND	= 1;
    $USE_MTI			= 1;

    &DENY_PROCEDURE('member');  # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('active');  # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('members'); # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('actives'); # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('status');  # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('stat');    # _this_line_is_added_by_makefml_

    * Disable members/actives command

    Append in config.ph (before the last "1;")

    &DENY_PROCEDURE('member');  # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('active');  # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('members'); # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('actives'); # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('status');  # _this_line_is_added_by_makefml_
    &DENY_PROCEDURE('stat');    # _this_line_is_added_by_makefml_

     @DenyProcedure = ('member', 'active', 'members', 'actives', 'status', 'stat');

    * enable security related options

    	$INCOMING_MAIL_SIZE_LIMIT The upper limit of mail size
    	$USE_DISTRIBUTE_FILTER    Filtering
    	$USE_MTI                  Traffic Monitor against e.g. mail bomb
    	$UNSUBSCRIBE_AUTH_TYPE    confirmation of un-subscription
    	$USE_LOG_MAIL             logging all mails fml received

    * PGP Encrypted ML: encrypted article is distributed.

    * Disable attachments

    $DISTRIBUTE_FILTER_HOOK = q#
        if ($e{'Body'} =~ /Content-Disposition:\s*attachment/i) {
    	return 'THIS ML NOT PERMIT ATTACHMENT';
        }
    #;

    Appendix G.1	FML Advisories

    FML Advisories are a series of documents to advice some kinds of
    current topics, for example, happy99, Melissa ...

    http://www.fml.org/fml/advisories/

    $Id: INSTALL.wix,v 1.119.2.4 2002/02/08 00:06:40 fukachan Exp $