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Incorrect settings w/ NOIP service.
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Incorrect settings w/ NOIP. &nbsp;Now we're getting there.
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Incorrect settings w/ NOIP.  Now we're getting there.

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Experts,<br />
<br />
I need help setting up my ProFTPD server (on Ubuntu) so as to connect from the internet.<br />
<br />
I can connect to localhost, but cannot by the internet; it always times out.<br />
<br />
Port 21 is open from the outside. &nbsp;I've tried a number of router settings.<br />
<br />
Is it router or config or both?<br />
<br />
What am I missing?
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Experts,

I need help setting up my ProFTPD server (on Ubuntu) so as to connect from the internet.

I can connect to localhost, but cannot by the internet; it always times out.

Port 21 is open from the outside.  I've tried a number of router settings.

Is it router or config or both?

What am I missing?

Cannot connect to ProFTPD server from the internet

The variety of Linux distributions creates myriad issues relating to configuration and operations when computers are networked, not the least of which is the use of various network management applications, some of which are included with specific distributions, while others are standalone applications.

Linux Networking

Linux is a UNIX-like open source operating system with hundreds of distinct distributions, including: Fedora, openSUSE, Ubuntu, Debian, Slackware, Gentoo, CentOS, and Arch Linux. Linux is generally associated with web and database servers, but has become popular in many niche industries and applications.

Linux

Transmission Control Protocol/Internet Protocol (TCP/IP) is the set of networking protocols that define end-to-end connectivity specifying how data should be packeted, addressed, transmitted, routed and received at the destination. This functionality is organized into four abstraction layers which are used to sort all related protocols according to the scope of networking involved.