What ports for VPN

  • For PPTP:
    • IP Protocol=TCP, TCP Port number=1723ย ย  <- Used by PPTP control path
    • IPย Protocol=GRE (value 47)ย ย  <- Used by PPTP data path
  • For L2TP:For SSTP:
    • IP Protocol Type=UDP, UDP Port Number=500ย ย ย  <- Used by IKEv1 (IPSec control path)
    • IP Protocol Type=UDP, UDP Port Number=4500ย ย  <- Used by IKEv1 (IPSec control path)
    • IPย Protocol Type=ESP (value 50)ย ย  <- Used by IPSec data path
    • IP Protocol=TCP, TCP Port number=443ย ย  <- Used by SSTP control and data path
  • For IKEv2:
    • IP Protocol Type=UDP, UDP Port Number=500ย ย ย  <- Used by IKEv2 (IPSec control path)
    • IP Protocol Type=UDP, UDP Port Number=4500ย ย  <- Used by IKEv2 (IPSec control path)
    • IPย Protocol Type=ESP (value 50)ย ย  <- Used by IPSec data path