This network protocol is used for validating certificates.
| Family: | Encrypted |
| Over: | amazon |
| Over: | apple |
| Over: | cloudflare |
| Over: | google_gen |
| Over: | http2 |
| Over: | http |
| Over: | http_proxy |
| Over: | https |
| Over: | microsoft |
| Over: | spdy |
| Over: | ssl |
| Revision: | 17 |
| Risk level: | 2 |
| Tag: | Network Utilities |
| Tag: | Application Layer Protocols |