Port 445SMB
Server Message Block
About Port 445
SMB is a network file sharing protocol used primarily in Windows environments for accessing shared files, printers, and inter-process communication. SMB over port 445 runs directly over TCP without NetBIOS.
Security NotesSMB has been the target of major attacks including WannaCry and EternalBlue. Keep systems patched, use SMB signing, and never expose port 445 to the internet.
Total Hosts
39.9K
TLS Encrypted
4.0%
Vulnerable Hosts
2.5K
Countries
10+
Top Services
| smb | 27,502 |
| mysql | 2,130 |
| ssh | 1,978 |
| ssl/http | 1,681 |
| http | 1,476 |
| https | 1,077 |
| ftp | 651 |
| unknown | 621 |
| vnc | 407 |
| smtp | 325 |
Top Countries
 France | 2,612 |
 United States | 2,362 |
 Japan | 2,149 |
 Italy | 2,066 |
 Brazil | 1,695 |
 Germany | 1,607 |
 Spain | 1,274 |
 Russia | 1,108 |
 Hungary | 1,061 |
 United Kingdom | 978 |
Top Products
| nginx | 1,982 |
| MySQL | 1,878 |
| OpenSSH | 1,521 |
| Apache httpd | 356 |
| Dropbear sshd | 317 |
| VNC | 304 |
| OpenVPN | 298 |
| MariaDB | 252 |
| AkamaiGHost | 184 |
| Microsoft IIS httpd | 150 |