Net::Ident is a module that looks up the username on the remote side of
a TCP/IP connection through the ident (auth/tap) protocol described in
RFC1413. Note that this requires the remote site to run a daemon (often
called identd) to provide the requested information, so it is not always
available for all TCP/IP connections.

Homepage:
https://metacpan.org/release/Net-Ident
