/usr/share/perl5/URI/mms.pm is in liburi-perl 1.60-1.
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 | package URI::mms;
require URI::http;
@ISA=qw(URI::http);
sub default_port { 1755 }
1;
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