znc/znc — pull request #600 by NuclearW (2014-07-21 22:59:08+00:00)
Title: Add numerics 307 and 379 to route_replies for whois

UnrealIRCd (at least version Unreal3.2.10+) sends numerics 307 and 379 on whois if the client is an IRCop.
These are non-rfc and they can be seen documented here: https://www.alien.net.au/irc/irc2numerics.html