Integration with Flow Control

Service/protocol rules.

• OpenVPN.

  • Used UDP port.

    • Usually, port UDP 1194.

• IPsec

  • UDP port 500 for IKE.

  • IP protocol number 50 (ESP).

    • IP protocol number 51 (AH).

  • UDP port 4500 for NAT traversal.

• L2TP.

  • UDP port 1701.

  • An exception may not be required when L2TP is encapsulated within IPsec packets.

User flows' rules.

• Remote users are assigned an IP network address.

• Flow control based on IP address or zone.