<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><div class="">Hello,</div><div class="">in the postinst script, the "ss" command from the iproute2 package is used,</div><div class="">which checks whether TCP port 80 is free or not.</div><div class="">If not, nginx will not start during installation.</div><div class=""><br class=""></div><div class="">commit:</div><a href="https://salsa.debian.org/nginx-team/nginx/-/commit/cc65b80eb0bebe0e2d61c4e4b413b3bac729cf39" class="">https://salsa.debian.org/nginx-team/nginx/-/commit/cc65b80eb0bebe0e2d61c4e4b413b3bac729cf39</a><div class=""><br class=""></div><div class="">Jan</div></body></html>