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Tunneling protocol
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== Common tunneling protocols == * [[IP in IP]] (IP protocol 4): IP in IPv4/IPv6 * [[6in4|SIT/IPv6]] (IP protocol 41): IPv6 in IPv4/IPv6 * [[Generic Routing Encapsulation|GRE]] (IP protocol 47): Generic Routing Encapsulation * [[OpenVPN]] (UDP port 1194) * [[Secure Socket Tunneling Protocol|SSTP]] (TCP port 443): Secure Socket Tunneling Protocol * [[IPSec]] (IP protocols 50 and 51): Internet Protocol Security * [[Layer 2 Tunneling Protocol|L2TP]] (UDP port 1701): Layer 2 Tunneling Protocol * [[L2TPv3]] (IP protocol 115): Layer 2 Tunneling Protocol version 3 * [[Virtual Extensible LAN|VXLAN]] (UDP port 4789): Virtual Extensible Local Area Network * [[Point-to-Point Tunneling Protocol|PPTP]] (TCP port 1723 for control, [[Generic Routing Encapsulation|GRE]] for data): Point-to-Point Tunneling Protocol * [[Point-to-Point Protocol over Ethernet|PPPoE]] (EtherType 0x8863 for control, 0x8864 for data): Point-to-Point Protocol over Ethernet * [[Generic Network Virtualization Encapsulation|GENEVE]] * [[WireGuard]] (UDP dynamic port)
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