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<a href="https://filedb.experts-exchange.com/incoming/2017/07_w30/1183703/proftp-error-port-21.PNG" target="_blank" title="The error i get when i use port 21 (16 KB)"><img alt="The error i get when i use port 21" class="file-block lazyload" style="max-width: 378px;" data-src="https://filedb.experts-exchange.com/incoming/2017/07_w30/1183703/proftp-error-port-21.PNG" /></a><a href="https://filedb.experts-exchange.com/incoming/2017/07_w30/1183703/proftp-error-port-21.PNG" target="_blank" title="The error i get when i use port 21 (16 KB)"><img alt="The error i get when i use port 21" class="file-block lazyload" style="max-width: 378px;" data-src="https://filedb.experts-exchange.com/incoming/2017/07_w30/1183703/proftp-error-port-21.PNG" /></a><a href="https://filedb.experts-exchange.com/incoming/2017/07_w30/1183703/proftp-error-port-21.PNG" target="_blank" title="The error i get when i use port 21 (16 KB)"><img alt="The error i get when i use port 21" class="file-block lazyload" style="max-width: 378px;" data-src="https://filedb.experts-exchange.com/incoming/2017/07_w30/1183703/proftp-error-port-21.PNG" /></a>I have &nbsp;this ftp dameon installed on my server for ftp access : psa-proftpd &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;1.3.5b-cos7.build120516042<wbr />7.18. I am running centos 7 with a plesk 12.5 control panel. Each time i try to access port 21 with a valid user name and password i get an error. I have a screenshot of the area as an attachment to this question. I have never setup the ftpd dameon, it was installed when plesk was installed. I need help on understanding, do i need to do some manual changes to the config file of this dameon. I have firewalld and a router running, and both allow port 21 access to the real world. What can be the problem here, please help. I even check to see if the port is open from the web and it is. I am sure this issue is not hard, i just am a bit stuck at this point.
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proftp-error-port-21.PNG

I have  this ftp dameon installed on my server for ftp access : psa-proftpd	1.3.5b-cos7.build1205160427.18. I am running centos 7 with a plesk 12.5 control panel. Each time i try to access port 21 with a valid user name and password i get an error. I have a screenshot of the area as an attachment to this question. I have never setup the ftpd dameon, it was installed when plesk was installed. I need help on understanding, do i need to do some manual changes to the config file of this dameon. I have firewalld and a router running, and both allow port 21 access to the real world. What can be the problem here, please help. I even check to see if the port is open from the web and it is. I am sure this issue is not hard, i just am a bit stuck at this point.

Proftd issue, cant access port 21

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The Linux operating system, in all its flavors, has its own share of security flaws that allow intrusions, but there are various mechanisms by which these flaws can be removed, generally divided into two parts: authentication and access control. Authentication is responsible for ensuring that a user requesting access to the system is really the user with the account, while access control is responsible for controlling which resources each account has access to and what kind of access is permitted.

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The Apache HTTP Server is a secure, efficient and extensible server that provides HTTP services in sync with the current HTTP standards. Typically Apache is run on a Unix-like operating system, but it is available for a wide variety of operating systems, including Linux, Novell NetWare, Mac OS-X and Windows. Released under the Apache License, Apache is open-source software.