Martian N. A Packet Sent On A TCP/IP Network With A Source Address Of The Test Loopback Interface [127.

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martian n.

A packet sent on a TCP/IP network with a source
address of the test loopback interface [127.0.0.1]. This means
that it will come back labeled with a source address that is
clearly not of this earth. "The domain server is getting lots of
packets from Mars. Does that gateway have a martian filter?"
Compare Christmas tree packet, Godzillagram

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