localhostLoopbackProtection

Property Manager name: Localhost Loopback Protection
Behavior version: The v2025-10-16 rule format supports the localhostLoopbackProtection behavior v1.0.
Rule format status: Deprecated, outdated rule format
Access: Read/Write
Allowed in includes: Yes

The behavior allows you to secure incoming requests to hostnames on this property arriving via the localhost interface.

Option Type Description Requires

Option	Type	Description	Requires
`loopbackCrossAccountPolicy`	boolean	Specifies whether `localhost` requests to hostnames on this property are allowed from other accounts. If `false`, you can specify an exception list of Virtual Customer Domain (VCD) IDs identifying customers who are allowed to make `localhost` requests to hostnames on this property.		{"displayType":"boolean","tag":"input","type":"checkbox"}
`vcdIds`	string array	Lists numeric Virtual Customer Domain (VCD) IDs which identify customers who can make `localhost` requests to hostnames on this property. If the list is empty, all `localhost` requests from other customer accounts to hostnames on this property are denied.	`loopbackCrossAccountPolicy` is `false`	{"displayType":"string array","tag":"input","todo":true} {"if":{"attribute":"loopbackCrossAccountPolicy","op":"eq","value":false}}

loopbackCrossAccountPolicy

boolean

Specifies whether localhost requests to hostnames on this property are allowed from other accounts. If false, you can specify an exception list of Virtual Customer Domain (VCD) IDs identifying customers who are allowed to make localhost requests to hostnames on this property.

{"displayType":"boolean","tag":"input","type":"checkbox"}

vcdIds

string array

Lists numeric Virtual Customer Domain (VCD) IDs which identify customers who can make localhost requests to hostnames on this property. If the list is empty, all localhost requests from other customer accounts to hostnames on this property are denied.

loopbackCrossAccountPolicy is false

{"displayType":"string array","tag":"input","todo":true}

{"if":{"attribute":"loopbackCrossAccountPolicy","op":"eq","value":false}}