How To Troubleshoot the issue when MetaDefender Managed File Transfer service is not accessible

If the MetaDefender Managed File Transfer web UI is inaccessible through your browser, resulting in a 502 Bad Gateway error, the root cause is likely one of the following:

1. The your firewall is blocking the server, in which case the solution is to:

   • Add the server to your firewall’s allowlist.

2. You are attempting to access the web UI from different machine, in which case the solution is to:

   • Open the 8010 web UI port (default).

3. Your MetaDefender Managed File Transfer install failed or was interrupted, in which case there are two possible solutions:

   • Fix your MetaDefender Managed File Transfer install
   • Reinstall MetaDefender Managed File Transfer.

4. Check if the MetaDefender Managed File Transfer REST service is running.