| Similarity | Rank | |
|---|---|---|
| VPN | 0.904 | 16155 |
| SSH | 0.901 | 30820 |
| SFTP | 0.892 | 90968 |
| VNC | 0.854 | 61256 |
| Telnet | 0.837 | 76014 |
| IPsec | 0.832 | 74526 |
| FTP | 0.825 | 16718 |
| telnet | 0.821 | 59383 |
| SMTP | 0.817 | 33439 |
| DHCP | 0.816 | 35930 |
| WebDAV | 0.815 | 86843 |
| VPNs | 0.811 | 69589 |
| VirtualBox | 0.808 | 72778 |
| SSL | 0.805 | 16965 |
| ActiveSync | 0.803 | 95218 |
| TCP | 0.802 | 17992 |
| FreeBSD | 0.802 | 43511 |
| ssh | 0.802 | 40452 |
| Firewall | 0.801 | 37660 |
| HTTPS | 0.798 | 49711 |
| iptables | 0.796 | 87433 |
| ESXi | 0.792 | 75223 |
| webserver | 0.792 | 58407 |
| CentOS | 0.792 | 66620 |
| firewall | 0.791 | 14677 |