51820 WireGuardWireGuard modern VPN tunnel (default UDP/51820).
Fast, simple VPN. Open the single UDP port to peers; everything else stays closed.
| Transport | Status | Meaning |
|---|---|---|
| TCP | No | Not assigned, standardized, or widely used on this port. |
| UDP | Unofficial | Not assigned by IANA, but standardized, specified, or widely used on this port. |
| SCTP | — | Not applicable for this transport. |
| DCCP | — | Not applicable for this transport. |
Dynamic / private (49152–65535). Cannot be IANA-registered; used for ephemeral allocation and custom services.
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