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This will give you a good idea of what services are being offered on what ports on your android device. This will scan your device with verbose output, and will scan all common ports on the device. Replace with the ip address or hostname of your device. To answer the question in the beginning, it is absolutely yes as long as you find the right way. This tells you that FTP is indeed running on port 21 at the given host.Ģ20 is a standard FTP response that essentially means everything is OK.Īnother option would be to install nmap for windows, and scan your android phones IP address or hostname like this nmap -vv -A If FTP is running as a server on port 21 at, you will get back a status message. The telnet command will try to connect to (replace this with the ftp hostname you are trying to connect to) on port 21 (which is the standard FTP port). On your Windows install, install the telnet client ( Control Panel > Programs and Features > Turn Windows Features On/Off > Enable (check) telnet client from the list )Īfter you have the client installed, open a command prompt and type the following telnet 21 Most FTP servers use port 21, SFTP servers use port 22 and FTPS (implicit mode) use port 990 by default.So, here is what you can do to troubleshoot the issue. If you are in a corporate network, you may need to ask the network administrator to open specific FTP ports. If that works you may need to add an exception to the firewall configuration to grant FileZilla Pro permanent access to the network. If you have a local firewall or an antivirus, try to disable it. If the test connection works with no errors, then the problem probably exists on the remote site that you’re trying to connect to.Īnother possible cause is that the connection is being blocked by a firewall. Once FileZilla/FileZilla Pro has gathered all the configuration information it needs, it will perform a test connection on a test server run by the FileZilla team.
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