UDP hole punching
(redirected from TCP hole punching)

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UDP hole punching

A technique for establishing communications between two parties in separate organizations who are both behind restrictive firewalls. Used for applications such as online gaming and voice over IP (VoIP), both clients establish a connection with an unrestricted third-party server that uncovers address information for them. Since each client initiated the request to the server, the server knows their IP addresses and port numbers assigned for that session, which it shares one to the other. Having valid port numbers causes the firewalls to accept the incoming packets from each side (see PAT). "TCP hole punching" uses the TCP protocol rather than UDP. See UDP, TCP/IP and VoIP.

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No references found			Tchaikovsky, Peter Ilyich Tchaikovsky, Petr Ilich Tchaikovsky, Pyotr Ilyich Tchebycheff Tchelitchew, Pavel Tchernaiev, Mikhail Grigoryevich Tchernihovsky, Saul Tchernozem Tchitchikoff Tchitchikov Tchuprow-Neymann allocation TCI Tcl Tcl Consortium tcl-debug Tcl-DP Tcl/Tk tclhttpd TclX TCM TCO Tcode TCOL TCOL.Ada TCP TCP hole punching TCP splicing TCP/IP TCP/IP abc's TCP/IP port TCP/IP printer TCP/IP stack TCPA TCPIP TCR TCS tcsh Tcsim TCU TCVN 5773 TCVN 6056 Tczew TD TDD TDD/TTY TDE TDEL TDES TDF TDFL TDI			TCORN TCOS TCOSC TCOSS TCOT TCOTC TCOTSF TCOTW TCOTWSC TCOUG TCOV TCOVE TCOW TCOY TCOYD TCOYF TCOYH TCOYL TCOZ TCP TCP TCP TCP and UDP over Lightweight Internet Protocol TCP and UDP Over Nonexistent Internet Protocol TCP Behavior Identification Tool TCP for Transactions TCP hole punching TCP protocol TCP protocol TCP protocols TCP protocols TCP rate shaping TCP splicing TCP Transaction Multiplexing Protocol TCP tuning TCP-friendly Information Collection Protocol TCP-Friendly Rate Control TCP-IP TCP-v TCP/IP TCP/IP TCP/IP TCP/IP TCP/IP abc's TCP/IP filter TCP/IP filtering TCP/IP FTP TCP/IP Inverse Multiplexing Protocol TCP/IP offload engine TCP/IP offload engine TCP/IP offload engine TCP/IP offload engine TCP/IP OTMA Connection TCP/IP port TCP/IP port TCP/IP port number TCP/IP port number

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UDP hole punching (redirected from TCP hole punching)

UDP hole punching
(redirected from TCP hole punching)