Application Layer
* [[L2TP]] * [[PPTP]] * [[TLS]] . . .
1K - last updated 2016-12-04 10:42 UTC by 1443
L2TP
Layer 2 Tunneling Protocol sends its header and payload in UDP packet. It is often used to encapsulate . . . PPP traffic. L2TP does not provide confidentiality, integrity or . . . a secure channel (ESP works in transport mode). L2TP provides a tunnel over the secure channel. One . . . L2TP endpoint is called L2TP Concentrator (LAC) and . . . another L2TP Network Server (LNS). LNS listens on UDP port . . .
1K - last updated 2016-12-04 05:56 UTC by 1443
PPTP
Point-to-Point Tunneling Protocol is another obsolete method to encapsulate PPP packets in a GRE tunnel. . . . uses TCP (port 1723) for control channel. As L2TP, PPTP does not define encryption or authentication. . . .
1K - last updated 2016-12-04 05:57 UTC by 1443
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