# Protocol

Protocol for use in Connection Rules.

https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml

- Source: [`aws-ec2/lib/port.ts`](https://github.com/aws/aws-cdk/blob/v2.275.0/packages/aws-cdk-lib/aws-ec2/lib/port.ts#L8)
- Type last changed: v2.30.0 · 1 Jul 2022

## Members

| Member | Description |
| --- | --- |
| `ALL` |  |
| `HOPOPT` |  |
| `ICMP` |  |
| `IGMP` |  |
| `GGP` |  |
| `IPV4` |  |
| `ST` |  |
| `TCP` |  |
| `CBT` |  |
| `EGP` |  |
| `IGP` |  |
| `BBN_RCC_MON` |  |
| `NVP_II` |  |
| `PUP` |  |
| `EMCON` |  |
| `XNET` |  |
| `CHAOS` |  |
| `UDP` |  |
| `MUX` |  |
| `DCN_MEAS` |  |
| `HMP` |  |
| `PRM` |  |
| `XNS_IDP` |  |
| `TRUNK_1` |  |
| `TRUNK_2` |  |
| `LEAF_1` |  |
| `LEAF_2` |  |
| `RDP` |  |
| `IRTP` |  |
| `ISO_TP4` |  |
| `NETBLT` |  |
| `MFE_NSP` |  |
| `MERIT_INP` |  |
| `DCCP` |  |
| `THREEPC` |  |
| `IDPR` |  |
| `XTP` |  |
| `DDP` |  |
| `IDPR_CMTP` |  |
| `TPPLUSPLUS` |  |
| `IL` |  |
| `IPV6` |  |
| `SDRP` |  |
| `IPV6_ROUTE` |  |
| `IPV6_FRAG` |  |
| `IDRP` |  |
| `RSVP` |  |
| `GRE` |  |
| `DSR` |  |
| `BNA` |  |
| `ESP` |  |
| `AH` |  |
| `I_NLSP` |  |
| `SWIPE` |  |
| `NARP` |  |
| `MOBILE` |  |
| `TLSP` |  |
| `SKIP` |  |
| `ICMPV6` |  |
| `IPV6_NONXT` |  |
| `IPV6_OPTS` |  |
| `CFTP` |  |
| `ANY_LOCAL` |  |
| `SAT_EXPAK` |  |
| `KRYPTOLAN` |  |
| `RVD` |  |
| `IPPC` |  |
| `ANY_DFS` |  |
| `SAT_MON` |  |
| `VISA` |  |
| `IPCV` |  |
| `CPNX` |  |
| `CPHB` |  |
| `WSN` |  |
| `PVP` |  |
| `BR_SAT_MON` |  |
| `SUN_ND` |  |
| `WB_MON` |  |
| `WB_EXPAK` |  |
| `ISO_IP` |  |
| `VMTP` |  |
| `SECURE_VMTP` |  |
| `VINES` |  |
| `TTP` |  |
| `IPTM` |  |
| `NSFNET_IGP` |  |
| `DGP` |  |
| `TCF` |  |
| `EIGRP` |  |
| `OSPFIGP` |  |
| `SPRITE_RPC` |  |
| `LARP` |  |
| `MTP` |  |
| `AX_25` |  |
| `IPIP` |  |
| `MICP` |  |
| `SCC_SP` |  |
| `ETHERIP` |  |
| `ENCAP` |  |
| `ANY_ENC` |  |
| `GMTP` |  |
| `IFMP` |  |
| `PNNI` |  |
| `PIM` |  |
| `ARIS` |  |
| `SCPS` |  |
| `QNX` |  |
| `A_N` |  |
| `IPCOMP` |  |
| `SNP` |  |
| `COMPAQ_PEER` |  |
| `IPX_IN_IP` |  |
| `VRRP` |  |
| `PGM` |  |
| `ANY_0_HOP` |  |
| `L2_T_P` |  |
| `DDX` |  |
| `IATP` |  |
| `STP` |  |
| `SRP` |  |
| `UTI` |  |
| `SMP` |  |
| `SM` |  |
| `PTP` |  |
| `ISIS_IPV4` |  |
| `FIRE` |  |
| `CRTP` |  |
| `CRUDP` |  |
| `SSCOPMCE` |  |
| `IPLT` |  |
| `SPS` |  |
| `PIPE` |  |
| `SCTP` |  |
| `FC` |  |
| `RSVP_E2E_IGNORE` |  |
| `MOBILITY_HEADER` |  |
| `UDPLITE` |  |
| `MPLS_IN_IP` |  |
| `MANET` |  |
| `HIP` |  |
| `SHIM6` |  |
| `WESP` |  |
| `ROHC` |  |
| `ETHERNET` |  |
| `EXPERIMENT_1` |  |
| `EXPERIMENT_2` |  |
| `RESERVED` |  |

## Referenced by

- [`PortProps`](/v2/docs/aws-cdk-lib.aws_ec2.PortProps).protocol