Proftpd and port forwarding not working
I'm attempting to get my proftp server to be access able from outside my local network.
The only way I can get proftpd to accept connections from the outside world is to run it on port 22 (after stopping my sshd server). This forwarding works fine. When I try to run it on 21 and I attempt to connect to it, it just hangs. I have set up the port forwarding on my router. I have even attempted to set that specific server as a DMZ. With the target machine as a DMZ, here is an nmap result from a server outside my network: PORT STATE SERVICE 21/tcp filtered ftp 22/tcp open ssh 25/tcp filtered smtp 80/tcp filtered http 110/tcp filtered pop-3 135/tcp filtered msrpc 136/tcp filtered profile 137/tcp filtered netbios-ns 138/tcp filtered netbios-dgm 139/tcp filtered netbios-ssn 443/tcp filtered https 445/tcp filtered microsoft-ds 1433/tcp filtered ms-sql-s 1434/tcp filtered ms-sql-m 1720/tcp filtered H.323/Q.931 6667/tcp filtered irc 10000/tcp open snet-sensor-mgmt I don't see why it claims it is being filtered but it certainly seems to act like it. I'm not running a firewall on the DMZ box either. Any help is greatly appreciated. Cheers, Mark |
Is it possible that your ISP is blocking it? Are you running any iptables firewall at all?
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