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FTP Stuck at Retrieving Directory Listing

Kieko89
Hi, I'm having a hard time connecting via FTP and get the below output when using filza to connect (replaced service IP with ServerIP):
Status: Resolving address of ftp.example.us Status: Connecting to ServerIP:21... Status: Connection established, waiting for welcome message... Status: Initializing TLS... Status: Verifying certificate... Status: TLS connection established. Status: Server does not support non-ASCII characters. Status: Logged in Status: Retrieving directory listing... Command: PWD Response: 257 "/" is the current directory Command: TYPE I Response: 200 Type set to I Command: PASV Response: 227 Entering Passive Mode (52,43,53,41,246,249). Command: MLSD Error: The data connection could not be established: ETIMEDOUT - Connection attempt timed out Error: Connection timed out after 50 seconds of inactivity Error: Failed to retrieve directory listing
Here is the output of the /etc/proftpd.conf file:
# This is a basic ProFTPD configuration file (rename it to # 'proftpd.conf' for actual use. It establishes a single server # and a single anonymous login. It assumes that you have a user/group # "nobody" and "ftp" for normal operation and anon. ServerName "ProFTPD" AuthUserFile /etc/proftpd/passwd.vhosts ServerType standalone DeferWelcome off DefaultServer on DefaultRoot ~ !wheel # Port 21 is the standard FTP port. IdentLookups off UseReverseDNS off TransferLog /etc/apache2/logs/domlogs/ftpxferlog AuthPAM off TLSEngine on DefaultRoot ~ !wheel # Port 21 is the standard FTP port. IdentLookups off UseReverseDNS off TransferLog /etc/apache2/logs/domlogs/ftpxferlog AuthPAM off TLSEngine on TLSRequired on TLSRSACertificateFile /etc/ftpd-rsa.pem TLSRSACertificateKeyFile /etc/ftpd-rsa-key.pem TLSVerifyClient off TLSCipherSuite ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:EC$ TLSOptions NoSessionReuseRequired TLSProtocol TLSv1 TLSv1.1 TLSv1.2 Port 21 # Umask 022 is a good standard umask to prevent new dirs and files Umask 022 # Set the user and group that the server normally runs at. User nobody Group proftpd # Normally, we want files to be overwriteable. AllowOverwrite on # A basic anonymous configuration, no upload directories. UseFtpUsers on RequireValidShell off User ftp Group proftpd # We want clients to be able to login with "anonymous" as well as "ftp" UserAlias anonymous ftp DenyAll # Limit the maximum number of anonymous logins MaxClients 10 # We want 'welcome.msg' ed at login, and '.message' displayed # in each newly chdired directory. DisplayLogin welcome.msg DisplayChdir .message true # Limit WRITE everywhere in the anonymous chroot DenyAll MasqueradeAddress website.com MasqueradeAddress ServerIP ShowSymlinks on MaxInstances none TimeoutIdle 600 TCPAccessFiles /etc/hosts.allow /etc/hosts.deny TCPServiceName ftp PassivePorts 49152 65534 FactsOptions UseSlink
Can anyone lead me to the right direction? I have followed the following configuration documentation without any luck:

Comments

5 comments

Date Votes
  • Kieko89
    Hello, I have resolved the issue by adding a custom TCP rule in EC2 Security Groups to allow connections via ports: 49152-65534. Then had attempted to connect via FTP and was able to first try. Thanks and I hope someone will find this information useful. Have a great day!
    0
  • 24x7serversecurity
    Yes, PassivePorts 49152 65534 need to be enabled in the Firewall. Glad that the issue is fixed for you. :)
    0
  • Casey L.
    Hello, I have resolved the issue by adding a custom TCP rule in EC2 Security Groups to allow connections via ports: 49152-65534. Then had attempted to connect via FTP and was able to first try.

    I would like to confirm that this worked for me.
    0
  • cPanelMichael
    Hello, I'm glad to see the solution on this thread helped. Thank you for sharing the outcome.
    0
  • tinodesigns
    Hello, I have resolved the issue by adding a custom TCP rule in EC2 Security Groups to allow connections via ports: 49152-65534. Then had attempted to connect via FTP and was able to first try. Thanks and I hope someone will find this information useful. Have a great day!

    Still works to this day!! helped a lot. Thanks!
    0

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