Error during Full cPanel backup over FTP

Was your problem resolved? I am sitting with the same error.

I have confirmed that no firewall rules are in place, and have confirmed that all is in order by copying files to the ftp server in passive mode.

 

I'm curious what host (if not your own server) gives this error.

I've run into it at the EIG-owned seohosting.com. It can login in to my server, so NOT a firewall issue, as it creates a blank tar.gz backup file. Their server aborts and disconnects soon thereafter. I've migrated many sites before, and this is the first time I've seen this.

As far as I'm concerned, it's just one more reason that EIG sucks (Hostgator, Bluehost, JustHost, iPage, etc).

 

Michael we are having this exact same error. In our situation backups worked perfectly until we got a new IP issued to us by our ISP on the remote machine. After editing the remote backup parameters to use the new IP, we get this "Can't use an undefined value as a symbol reference at /usr/local/cpanel/3rdparty/perl/514/lib64/perl5/cpanel_lib/Net/FTP/dataconn.pm line 54"error when trying to validate the remote backup.

- - - Updated - - -

LOL Like a DFU I was doing something stupid and figured it out seconds after making my previous post. We use FireZilla Server as out rempte FTP agent. In the settings, there is a parameter for Passive Mode Settings. Rather than use the automatic "Retreive external IP from" setting, we had hard code the external Ip to use. DOH! When we changed the setting to the auto setting all worked well. Perhaps this will assist the other user.