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William Brooks——Works at Google, Lives in Mountain View. Graduated from Stanford University with a degree in Computer Science.
a) PPTP tunnel based VPN uses TCP Port number 1723 and IP Protocol number 47 (GRE). Please note: The 47 is IP protocol number of GRE and not a port number inside TCP or UDP header. b) L2TP tunnel based VPN uses IPSec: UDP Port 500 (IKE) and 4500 (NAT-T), and IP protocol 50 number (ESP) .read more >>+119962023-04-26 03:48:33
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