There is no http://http.debian.net in bsd.sites.mk, which make portlint can not detect porter's misuse of this URL instead of using DEBIAN MACRO. the maintainer of portlint advice to open a PR to add http://http.debian.net to bsd.sites.mk. More info: https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=220501
A commit references this bug: Author: bapt Date: Thu Sep 5 13:24:08 UTC 2019 New revision: 511186 URL: https://svnweb.freebsd.org/changeset/ports/511186 Log: Add http://http.debian.net which points to their fastly cdn to the list of debian mirror. [1] While here, drop the NON_US part of debian mirrors which do not exists anymore (for long) PR: 221143 [1] Reported by: amutu@amutu.com Changes: head/Mk/bsd.sites.mk