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FTP over TLS Stopped Working

Discussion in 'General Discussion' started by Ahmed Shibani, May 7, 2016.

  1. Ahmed Shibani

    Ahmed Shibani Registered

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    Hello;

    Since the last update to WHM 11.56.0.14, Users are unable to connect to FTP using TLS. This used to work before the update. Ports 3000-5000 are allowed in the firewall and PureFTPD is configured to use those port numbers for passive connections.

    This is the error from FileZilla
    Code:
    Status:    Resolving address of x.x.x
Status:    Connecting to x.x.x.x:21...
Status:    Connection established, waiting for welcome message...
Status:    Initializing TLS...
Error:    Connection timed out after 20 seconds of inactivity
Error:    Could not connect to server
    Users are able to authenticates if they change FTP to use plain passwords.

    Here is the system information:
    Code:
    /etc/redhat-release:CloudLinux Server release 6.5 (Pavel Popovich)
/usr/local/cpanel/version:11.56.0.14
/var/cpanel/envtype:standard
CPANEL=release
Server version: Apache/2.4.18 (Unix)
Cpanel::Easy::Apache v3.32.11 rev9999 +cloudlinux
    Has anyone faced this issue? Any recommendations on how to fix?

    Best Regards
     
    #1 Ahmed Shibani, May 7, 2016
  2. YanOri

    YanOri Registered

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    Try connecting through port 22.
     
    #2 YanOri, May 8, 2016
  3. cliveaustin

    cliveaustin Registered

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    I have discovered exactly the same issue on my cPanel/WHM PureFTP server.
    This is the error I see when trying to connect using FileZilla ...

    Code:
    Status: Connecting to 192.168.0.101:21...
Status: Connection established, waiting for welcome message...
Response: 220---------- Welcome to Pure-FTPd [privsep] [TLS] ----------
Response: 220-You are user number 1 of 50 allowed.
Response: 220-Local time is now 13:59. Server port: 21.
Response: 220-This is a private system - No anonymous login
Response: 220-IPv6 connections are also welcome on this server.
Response: 220 You will be disconnected after 15 minutes of inactivity.
Command: AUTH TLS
Response: 234 AUTH TLS OK.
Status: Initializing TLS...
Error: Connection timed out after 20 seconds of inactivity
Error: Could not connect to server
    ...but everything works normally as expected if I connect using "old fashioned" (insecure) FTP so I've had to disable FTP over TLS for the time being just to stop clients complaining. I'm pretty sure this is going to be a TLS handshake issue but it's got me stumped for now! Anyone got any pointers where I should start looking?
     
    #3 cliveaustin, May 9, 2016
    Last edited by a moderator: May 10, 2016
  4. cPanelMichael

    cPanelMichael Forums Analyst
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    #4 cPanelMichael, May 25, 2016
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