A type of connection that directly attaches to a cable.


See Transmission Control Protocol (TCP).

TCP ACK attack

An attack that begins as a normal TCP connection and whose purpose is to deny service. It's also known as a TCP SYN flood.

TCP sequence attack

An attack wherein the attacker intercepts and then responds with a sequence number similar to the one used in the original session. The attack can either disrupt a session or hijack a valid session.

TCP SYN flood

See TCP ACK attack.

TCP wrapper

A low-level logging package designed for Unix systems.


See Transmission Control Protocol/Internet Protocol (TCP/IP).

TCP/IP hijacking

An attack in which the attacker commandeers a TCP session from a legitimate user after ...

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