如何解除 NMAP 上关闭的端口 80 和 443

[Lilly]

也许可以看看这篇帖子

Port 80/443 not accessible while installing Discourse

Sounds like you’re doing the right stuff. You’re sure that your DNS resolves to your server IP and only there? Oh. I can’t tell at quick glance whether discourse-setup look only at IPv4. You might try running ./discourse-setup --skip-connection-test to skip the test.