Firewall Configuration Rule

Discussion in 'other firewalls' started by Antus, Apr 6, 2007.

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  1. Antus

    Antus Registered Member

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    Apr 8, 2006
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    Fellows I need some expertise help.....
    Most of you know PcFlank has a stealth test...... I failed on the TC Ping which was unstealth....Can someone provide me with the rule step by step to add or modiy to make this Stealth!!! I am now using Blink INternet Suite.
    Thanks in advance for your help..!!!
     
  2. Stem

    Stem Firewall Expert

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    Oct 5, 2005
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    UK
    Hello Antus,

    I have not used "Blink INternet Suite".(and do not have a copy at hand)

    If you are connected directly to the internet, then you will need to check the filter rules to block ICMP type 0 (echo reply), or remove the rule that allows this.

    (if you are behind a router, then it will be the router making the reply)
     
  3. JeffBuck

    JeffBuck Registered Member

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    Mar 13, 2007
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    If you use XP with SP2 you can do it (block ICMP) through IPSECPOL:

    ipsecpol -w REG -p "Packet Filter" -r "Block ICMP" -f *+0::ICMP -n BLOCK

    but, in this way, you'll drop any icmp packet (no filter as Stem suggests).

    You can filter ICMP traffic in various way, also with windows firewall ... from screenshots I see, Blink Internet Sec. Suite seems to hold on xp services, so ...
     
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