| Similarity | Rank | |
|---|---|---|
| VPN | 0.800 | 19201 |
| ssh | 0.726 | 61510 |
| a_VPN | 0.706 | 94350 |
| FreeBSD | 0.688 | 35609 |
| VirtualBox | 0.683 | 97603 |
| DNS_server | 0.671 | 66728 |
| HTTPS | 0.665 | 82314 |
| Firewall | 0.660 | 76188 |
| OpenBSD | 0.657 | 85404 |
| proxy_server | 0.655 | 66328 |
| firewall | 0.652 | 12003 |
| Mac_OS_X | 0.651 | 22025 |
| Debian | 0.650 | 20729 |
| IPv4 | 0.649 | 58683 |
| OS_X | 0.647 | 27444 |
| router | 0.646 | 6850 |
| Linux | 0.646 | 4235 |
| HTTP | 0.646 | 27528 |
| on_Linux | 0.645 | 33094 |
| telnet | 0.643 | 96644 |
| SMTP | 0.639 | 72601 |
| IPv6 | 0.639 | 20013 |
| SSH | 0.636 | 38489 |
| Router | 0.634 | 71140 |
| DHCP | 0.634 | 49513 |