Hello, in the postinst script, the "ss" command from the iproute2 package is used, which checks whether TCP port 80 is free or not. If not, nginx will not start during installation.
commit: https://salsa.debian.org/nginx-team/nginx/-/commit/cc65b80eb0bebe0e2d61c4e4b413b3bac729cf39 <https://salsa.debian.org/nginx-team/nginx/-/commit/cc65b80eb0bebe0e2d61c4e4b413b3bac729cf39> Jan
