/usr/share/perl5/URI/tn3270.pm is in liburi-perl 1.64-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 | package URI::tn3270;
use strict;
use warnings;
use parent 'URI::_login';
sub default_port { 23 }
1;
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