Tag Name ident_lookup_access
Usage ident_lookup_access allow|deny aclname…

Description
A list of ACL elements, which, if matched, cause an ident (RFC 931) lookup to be performed for this request. For example, you might choose to always perform ident lookups for your main multi-user Unix boxes, but not for your Macs and PCs

Default By default, ident lookups are not performed for any requests
ident_lookup_access deny all

Example
To enable ident lookups for specific client addresses, you can follow this example:

acl ident_aware_hosts src 198.168.1.0/255.255.255.0
ident_lookup_access allow ident_aware_hosts
ident_lookup_access deny all

Caution
This option may be disabled by using –disable-ident with the configure script.