Why are all my ports showing up as "closed" if iptables isn't running?

Ekzel · 2018-10-13 02:18:59

I started up ftpd and did all the necessary configuration for the server, setting up a user account and chroot jail and everything. I did an NMap scan of localhost and it still shows all ports as closed, even though there is a server listening on port 21. My understanding is that a port will be open if 1) there is an application listening on that port, and 2) the port is not blocked by a firewall. Since ftpd is running and iptables is not running (at least as far as I have been able to verify), it seems the port should be open. What is missing from this picture?

Trilby · 2018-10-13 03:01:44

What ftpd did you install? Did you start the service? What is the `systemctl status` output of the service? Is there anything about your ftpd in the journal?

Arch Linux

#1 2018-10-13 02:18:59

Why are all my ports showing up as "closed" if iptables isn't running?

#2 2018-10-13 03:01:44

Re: Why are all my ports showing up as "closed" if iptables isn't running?

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