| Similarity | Rank | |
|---|---|---|
| TCP | 0.613 | 23196 |
| SSL | 0.594 | 28959 |
| HTTPS | 0.581 | 82314 |
| HTTP | 0.559 | 27528 |
| UDP | 0.559 | 39302 |
| BGP | 0.558 | 98137 |
| SMTP | 0.557 | 72601 |
| SIP | 0.550 | 40647 |
| SSH | 0.545 | 38489 |
| IMAP | 0.543 | 77450 |
| RFC_[number] | 0.537 | 21711 |
| IPv4 | 0.535 | 58683 |
| Authentication | 0.524 | 97896 |
| OpenVPN | 0.520 | 79000 |
| IPv6 | 0.518 | 20013 |
| for_authentication | 0.518 | 96819 |
| PGP | 0.508 | 89031 |
| authentication | 0.503 | 11579 |
| Nat | 0.501 | 15361 |
| encryption | 0.499 | 12672 |
| LDAP | 0.498 | 60201 |
| http | 0.493 | 37468 |
| cipher | 0.493 | 44738 |
| TCP_/_IP | 0.493 | 60740 |
| protocol | 0.492 | 2349 |