Re: Firewall-1 Security Advisory

From: Simon Finn (simon_finnat_private)
Date: Thu Oct 29 1998 - 03:28:50 PST

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    >
    >And what about the default of the ports 256, 257, 258 and 259 appearing on
    >every interface?  A little concerning, since they are not listed in the
    >table of ports in the main manual.  Even more concerning when I'm told
    >they are for secure remote support, logging and configuration control!
    >This obscurity makes one rather nervous.
    >
    <snip>
    
    This was addressed a while ago in the only other security bulletin I have
    seen for Firewall 1 in over a year (the latest being along the same lines
    except for DNS). The default is to allow Firewall Control Connections -
    First. This being snmp has obvious implications. The ports it uses are
    defined in the services objects. If you have trouble understanding the was
    the First/Before Last/Last options it actually explains it in the under
    "Enable ICMP" in the "Security Policy" section.
    
    Basically as a rule put everything as "Last" in the security policy tab,
    that way everything is either logged, explicitly allowed/dropped or
    explicity not logged.
    
    I personally dont think the "default" settings to be a bug. The default
    settings has no policy. The policy is what you build.
    
    Simon Finn
    



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