Related:

• ping [from the submariners' term for a sonar pulse] 1.
  . Slang term for a small network message (ICMP ECHO) sent by a computer to check for the presence and alertness of another....
• Ping O' Death n. A notorious exploit that (when first discovered) could be easily used to crash a wide variety of machines by overunning size limits in their TCP/IP stacks.
  First revealed in late 1996. The open-source Unix community patched its systems to remove the vulnerability within days or weeks, the closed-source OS vendors generally took months....
• exploit n. [originally cracker slang] 1. A vulnerability in software that can be used for breaking security or otherwise attacking an Internet host over the network.
  The Ping O' Death is a famous exploit. exploits an exploit in sense 1...
• ping storm n. A form of DoS attack consisting of a flood of ping requests (normally used to check network conditions) designed to disrupt the normal activity of a system.
  This act is sometimes called `ping lashing' or `ping flood'....
• 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....
• TCP/IP /T'C-P I'P/ n. 1. [Transmission Control Protocol/Internet Protocol] The wide-area-networking protocol that makes the Internet work
  and the only one most hackers can speak the name of without laughing or retching....
• 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....
• exec /eg-zek'/ or /eks'ek/ vt., n. 1. [Unix: from `execute'] Synonym for chain, derives from the exec(2) call.
  2. [from `executive'] obs. The command interpreter for an OS (see shell)...
• exec: /eg-zek'/ vt., n. 1. [UNIX: from `execute'] Synonym for {chain}, derives from the `exec(2)' call.
  2. [from `executive'] obs. The command interpreter for an {OS} (see {shell})...