When i try to download backup from Cpanel server to Amazon EC2 instance using FTP, i get following error
I won’t open a connection to X (only to Y)
root@ip-172-31-21-166:~# ftp cpanel-hosted-site.com Connected to cpanel-hosted-site.com. 220---------- Welcome to Pure-FTPd [privsep] [TLS] ---------- 220-You are user number 1 of 150 allowed. 220-Local time is now 14:43. Server port: 21. 220-IPv6 connections are also welcome on this server. 220 You will be disconnected after 15 minutes of inactivity. Name (cpanel-hosted-site.com:root): cpaneluser 331 User cpaneluser OK. Password required Password: 230 OK. Current restricted directory is / Remote system type is UNIX. Using binary mode to transfer files. ftp> dir 500 I won't open a connection to 172.31.21.166 (only to 34.229.5.66) ftp: bind: Address already in use ftp>
The problem is fixed by enabling passive mode in FTP by running “passive” command in FTP prompt.
passive
Example
root@ip-172-31-21-166:~# ftp cpanel-hosted-site.com Connected to cpanel-hosted-site.com. 220---------- Welcome to Pure-FTPd [privsep] [TLS] ---------- 220-You are user number 1 of 150 allowed. 220-Local time is now 14:47. Server port: 21. 220-IPv6 connections are also welcome on this server. 220 You will be disconnected after 15 minutes of inactivity. Name (cpanel-hosted-site.com:root): cpaneluser 331 User cpaneluser OK. Password required Password: 230 OK. Current restricted directory is / Remote system type is UNIX. Using binary mode to transfer files. ftp> passive Passive mode on. ftp> dir 227 Entering Passive Mode (192,185,210,215,161,246) 150 Accepted data connection drwx--x--x 18 cpaneluser cpaneluser 4096 Jul 9 14:37 . drwx--x--x 18 cpaneluser cpaneluser 4096 Jul 9 14:37 .. -rw-r--r-- 1 cpaneluser cpaneluser 18 Jul 18 2013 .bash_logout -rw-r--r-- 1 cpaneluser cpaneluser 176 Jul 18 2013 .bash_profile -rw-r--r-- 1 cpaneluser cpaneluser 124 Jul 18 2013 .bashrc -rw------- 1 cpaneluser cpaneluser 25 Oct 31 2013 .contactemail drwx------ 5 cpaneluser cpaneluser 4096 Jul 9 14:43 .cpanel drwx------ 4 cpaneluser cpaneluser 4096 May 5 01:13 .cphorde -rw-r--r-- 1 cpaneluser cpaneluser 500 Feb 27 2012 .emacs -rw------- 1 cpaneluser cpaneluser 17 Jul 8 00:49 .ftpquota -rw-r--r-- 1 cpaneluser cpaneluser 126 Oct 31 2013 .gemrc -rw-r--r-- 1 cpaneluser cpaneluser 139 Apr 6 14:14 .htaccess drwxr-x--- 2 cpaneluser 99 4096 Oct 31 2013 .htpasswds -rw-r--r-- 1 cpaneluser cpaneluser 121 Jul 8 2013 .kshrc -rw------- 1 cpaneluser cpaneluser 640 Jul 9 14:15 .lastlogin drwxr----- 3 cpaneluser cpaneluser 4096 Jan 26 2014 .pki drwxr-xr-x 3 0 0 4096 Dec 1 2015 .security drwx------ 2 cpaneluser cpaneluser 4096 Jul 6 01:05 .subaccounts drwx------ 2 cpaneluser cpaneluser 4096 Oct 4 2014 .trash lrwxrwxrwx 1 cpaneluser cpaneluser 34 Oct 31 2013 access-logs -> /usr/local/apache/domlogs/cpaneluser -rw------- 1 cpaneluser cpaneluser 1668532513 Jul 9 14:37 backup-7.9.2017_14-19-53_cpaneluser.tar.gz drwxr-xr-x 2 cpaneluser cpaneluser 20480 May 5 01:13 cache -rw-r----- 1 cpaneluser cpaneluser 1 Jan 8 2017 cpbackup-exclude.conf drwxr-x--- 4 cpaneluser 12 4096 Jul 9 14:15 etc drwxr-x--x 11 cpaneluser cpaneluser 4096 Apr 8 16:11 mail drwxr-xr-x 4 cpaneluser cpaneluser 4096 Jun 22 01:56 perl5 -rw-r--r-- 1 cpaneluser cpaneluser 38496 Nov 11 2016 php.ini drwxr-xr-x 2 cpaneluser cpaneluser 4096 Nov 26 2015 public drwxr-xr-x 3 cpaneluser cpaneluser 4096 Nov 1 2013 public_ftp drwxr-x--- 15 cpaneluser 99 4096 Jul 3 23:49 public_html drwxr-xr-x 5 cpaneluser cpaneluser 4096 Jan 8 2017 ssl drwxr-xr-x 8 cpaneluser cpaneluser 4096 Apr 26 02:02 tmp lrwxrwxrwx 1 cpaneluser cpaneluser 11 Oct 31 2013 www -> public_html 226-Options: -a -l 226 33 matches total ftp> get backup-7.9.2017_14-19-53_cpaneluser.tar.gz local: backup-7.9.2017_14-19-53_cpaneluser.tar.gz remote: backup-7.9.2017_14-19-53_cpaneluser.tar.gz 227 Entering Passive Mode (192,185,210,215,124,215) 150-Accepted data connection 150 1629426.3 kbytes to download 226-File successfully transferred 226 154.488 seconds (measured here), 10.30 Mbytes per second 1668532513 bytes received in 154.59 secs (10.2930 MB/s) ftp>
