| Value | Meaning |
|---|---|
| any~0 | all types supported by the server |
| none0 | none allowed, silly but complete |
| publickey1 << 0 | public/private key files |
| password1 << 1 | password |
| host1 << 2 | host key files |
| keyboard1 << 3 | keyboard interactive |
| agent1 << 4 | agent (ssh-agent, pageant...) |
| gssapi1 << 5 | gssapi (kerberos, ...) |
| default_any |