* `from_port` - (Required) The start port (or ICMP type number if protocol is "icmp")
* `protocol` - (Required) The protocol. If you select a protocol of
"-1", you must specify a "from_port" and "to_port" equal to 0. If not icmp, tcp, udp, or all use the [protocol number](https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml)
"-1" (equivalent to `"all"`), you must specify a "from_port" and "to_port" equal to 0. If not icmp, tcp, udp, or all use the [protocol number](https://www.iana.org/assignments/protocol-numbers/protocol-numbers.xhtml)
* `security_groups` - (Optional) List of security group Group Names if using
EC2-Classic, or Group IDs if using a VPC.
* `self` - (Optional) If true, the security group itself will be added as
@ -123,7 +123,7 @@ be in place, you can use this `egress` block:
## Usage with prefix list IDs
Prefix list IDs are manged by AWS internally. Prefix list IDs
Prefix list IDs are managed by AWS internally. Prefix list IDs
are associated with a prefix list name, or service name, that is linked to a specific region.
Prefix list IDs are exported on VPC Endpoints, so you can use this format: