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Thread: Ok, another easy question: ICMP?

  1. August 6th, 2001, 05:13 AM #1
    Zair the Wise
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    Talking Ok, another easy question: ICMP?

    What exactly (or more or less exactly) is an ICMP packet? My firewall keeps popping up the following:


    Remote: iah-core-02.inet.qwest.net [205.171.5.4] - ICMP [3] Destination Unreachable

    Details: Someone on address iah-core-02.inet.qwest.net [205.171.5.4] wants to send ICMP packet to your machine

    Details about application: tcpip kernel driver

    Q: Why do ducks have big flat feet?
    A: To stamp out forest fires

    Q: Why do elephants have big flat feet?
    A: To stamp out flaming ducks
  2. August 6th, 2001, 06:06 AM #2
    hogfly
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    ICMP is a packet of data (TCP or UDP) to gather/recieve very basic info about the computer. PING is the perfect example. It sends out ICMP echo request packets to tell you if that computer is alive/on/connected.

    Is that your ISP?either way...looks like you got pinged or tracert'd.

    TPF is very configurable.....set a rule to deny all tcp/udp ICMP echo packets.
    Antionline in a nutshell
    \"You\'re putting the fate of the world in the hands of a bunch of idiots I wouldn\'t trust with a potato gun\"

    Trust your Technolust
  3. August 6th, 2001, 07:16 AM #3
    r-22
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    I have recently looked on www.attrition.org and noticed a fairly large archive of logs and other things of the sort that refer back to JP and AntiOnline participating in questionable and fraudulant acts. Due to my support for www.attrition.org and www.netflood.net I am currently pulling all my posts from this site and ask for my account termination. If you, JP, find that at any point you feel you can be at least half ass honorable then I will consider posting here again.
  4. August 6th, 2001, 03:59 PM #4
    Zair the Wise
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    Not my isp
    Q: Why do ducks have big flat feet?
    A: To stamp out forest fires

    Q: Why do elephants have big flat feet?
    A: To stamp out flaming ducks
  5. August 6th, 2001, 05:32 PM #5
    oddvector
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    Lightbulb

    I wouldn't worry about it too much.

    Most of the icmp packets you'll see are the echo request sort, basically ping or tracert. If you set your firewall like hogfly advised the sender will get a host not found or host unreachable when they try to ping you.
  6. August 7th, 2001, 11:14 AM #6
    r-22
    Guest
    I have recently looked on www.attrition.org and noticed a fairly large archive of logs and other things of the sort that refer back to JP and AntiOnline participating in questionable and fraudulant acts. Due to my support for www.attrition.org and www.netflood.net I am currently pulling all my posts from this site and ask for my account termination. If you, JP, find that at any point you feel you can be at least half ass honorable then I will consider posting here again.
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