/usr/share/selinux/ubuntu/include/services/gatekeeper.if is in selinux-policy-ubuntu-dev 0.2.20091117-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 | ## <summary>OpenH.323 Voice-Over-IP Gatekeeper</summary>
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