[Bug 321731] Review Request: Shorewall Version 4 - Iptables-based firewall - Review Tracker bug

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Summary: Review Request: Shorewall Version 4 - Iptables-based firewall - Review Tracker bug


https://bugzilla.redhat.com/show_bug.cgi?id=321731





------- Additional Comments From jonathan.underwood at gmail.com  2007-10-07 20:21 EST -------
For background, the reason that Ports.pm is generated rather than direclty
parsing /etc/{services,protocols} is given by upstream:
3)  Previously, Shorewall-perl read /etc/protocols and /etc/services
    during compiler startup to build internal protocol and service
    tables. This had a fixed cost of up to one half second or more,
    depending on the speed of the system and the distribution
    (The /etc/services released with OpenSuSE 10.2 is over 14,000
    lines!!) These tables are now initialized by the Perl compiler
    which speeds up compilation considerably.

    During installation, Shorewall generates the Perl module
    /usr/share/shorewall-perl/Shorewall/Ports.pm, using your
    /etc/protocols and /etc/services as input.

    To re-generate the module from those two files:
        1. Backup your current /usr/share/shorewall-perl/Shorewall/Ports.pm
           file.
        2. /usr/share/shorewall-perl/buildports.pl > \
           /usr/share/shorewall-perl/Shorewall/Ports.pm

    Note: If the buildports.pl program fails to run to a successful
    completion during installation, a fallback version of
    module will be installed. That fallback module was generated from
    the /etc/protocols and /etc/services shipped with Ubuntu Feisty
    Fawn.

    Even if the buildports.pl program runs successfully, the fallback
    module is also installed as
    /usr/share/shorewall-perl/Shorewall/FallbackPorts.pm. So if you
    encounter problems with the generated module, simply copy the
    fallback module to /usr/share/shorewall-perl/Shorewall/Ports.pm.


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