Question / Problem
What ports will need to be opened in the firewall to allow scanning a remote server?
Answer / Solution
Typically our products use the same ports and protocols as Windows Explorer. Port 445 is needed for SMB/CIFS communication. Ports 137-139 are needed for NetBios/Name resolution only . Without it you will have to access machines by IP address opposed to NetBIOS name. Example \\192.168.1.100\share_name opposed to \\my_file_server\share_name. So port 445 is sufficient if you can work with IP addresses only.