SSH

PORT   STATE SERVICE REASON         VERSION
22/tcp open  ssh     syn-ack ttl 63 OpenSSH 7.4p1 Debian 10+deb9u7 (protocol 2.0)
|_banner: SSH-2.0-OpenSSH_7.4p1 Debian-10+deb9u7
| ssh-auth-methods: 
|   Supported authentication methods: 
|     publickey
|_    password
| ssh2-enum-algos: 
|   kex_algorithms: (10)
|       curve25519-sha256
|       [e-mail]
|       ecdh-sha2-nistp256
|       ecdh-sha2-nistp384
|       ecdh-sha2-nistp521
|       diffie-hellman-group-exchange-sha256
|       diffie-hellman-group16-sha512
|       diffie-hellman-group18-sha512
|       diffie-hellman-group14-sha256
|       diffie-hellman-group14-sha1
|   server_host_key_algorithms: (5)
|       ssh-rsa
|       rsa-sha2-512
|       rsa-sha2-256
|       ecdsa-sha2-nistp256
|       ssh-ed25519
|   encryption_algorithms: (6)
|       [e-mail]
|       aes128-ctr
|       aes192-ctr
|       aes256-ctr
|       [e-mail]
|       [e-mail]
|   mac_algorithms: (10)
|       [e-mail]
|       [e-mail]
|       [e-mail]
|       [e-mail]
|       [e-mail]
|       [e-mail]
|       [e-mail]
|       hmac-sha2-256
|       hmac-sha2-512
|       hmac-sha1
|   compression_algorithms: (2)
|       none
|_      [e-mail]
| ssh-hostkey: 
|   2048 75:4c:02:01:fa:1e:9f:cc:e4:7b:52:fe:ba:36:85:a9 (RSA)
| ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCzklV3kD0MUV8hlgkTzmIXus0hs0kpUtsw944TP1RKcoGH+RVDKO3