Unable to connect to the server with Plesk via FTP: unable to bind to local socket: Address already in use

Symptoms

• Below error can be found in /var/log/messages:

  Error server proftpd[7625]: mod_ctrls/0.9.5: error: unable to bind to local socket: Address already in use

• FTP connection via FileZilla fails with similar errors:

  Connection closed by server
  Could not connect to server

• psa-proftp package is installed from Atomic repository:

  # rpm -qi psa-proftpd | grep Vendor
  Vendor : Atomicorp

Cause

The incorrect package is installed.

Resolution

1. Login to the server via SSH

2. Exclude the psa-proftp package from Atomic repo /etc/yum.repos.d/asl.repo and/or /etc/yum.repos.d/atomic.repo by adding the line in bold:

   # cat /etc/yum.repos.d/asl.repo
   [asl-4.0]
   name=Atomicorp – – Atomic Secured Linux 4.0
   mirrorlist=file:///etc/asl/asl-4.0-mirrorlist
   enabled=1
   gpgkey = [file:///etc/pki/rpm-gpg/RPM-GPG-KEY.atomicorp.txt](file:///etc/pki/rpm-gpg/RPM-GPG-KEY.atomicorp.txt)
   gpgcheck=1
   exclude=psa-proftpd

3. Remove the psa-proftp package from the server:

   # rpm -e –nodeps psa-proftpd

4. Install the psa-proftp package from Plesk repository:

   # plesk installer –select-release-current –install-component proftpd

5. Restart the service:

   # systemctl restart xinetd