On 10/14/2015 11:39 AM, Jason Welsh wrote: > but I cant seem to find out how/where to enable said feature. See the man pages for hosts_options and hosts_access. It is rare for systems to support RFC 931 and common for firewalls to drop requests (creating long delays in connections), so user name lookup is probably only useful within a private network of systems that you control, on which you have enabled identd on each client system.