After i posted “F-Secure Client Security 9.0 BETA – File sharing error – Solution” yesterday I kept looking for a reason way this error appeared in F-Secure, It just didn’t look right for F-Secure to have such mistakes even in a BETA software.
I found a article at Microsoft: “Internet firewalls can prevent browsing and file sharing” and there i found all the ports that where used for file sharing:
- Microsoft file sharing SMB: User Datagram Protocol (UDP) ports from 135 through 139 and Transmission Control Protocol (TCP) ports from 135 through 139.
- Direct-hosted SMB traffic without a network basic input/output system (NetBIOS): port 445 (TCP and UPD).
And after reading that i started looking at the F-Secure Firewall services again and found two services. “SMB over TCP/IP (TCP)” and “SMB over TCP/IP (UDP)” witch in fact does the same as i did yesterday by opening port 445.
So, I’m sorry to have blamed F-Secure before checking better but after finding the “Windows file sharing and network printers” service i just didn’t think about looking for an SMB service, sorry, my bad.
On the other side, i think that thees services should have another name because a normal user probably don’t know what SMB is, but might still want to share files. So a tips to -F-Secure this time is to give this services a better name.
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