{
  "gex": {},
  "host_keys": {
    "ssh-rsa": {
      "algorithm": "ssh-rsa",
      "ascii": "AAAAB3NzaC1yc2EAAAADAQABAAABAQDJffCGpvJBTkeEHKvD8GF5G1ZJ2n4LypkxPq97sZLa4eaf9o2vkSVrm5W+4IZ4tHjaW8ymUdCIixu6/yI5HjcwOkeFIuyhx7S/DBplwMEB86Vo1DCrrYqjHKawnSQ85iFpHekT6BqHZydT270x0fAf3SC7VaMZd4FDXR4vzUtTYbUY8aTaU+8bgWO6i4wY0VU6bXRVZqJ3tbfTk77CphhTuW4NHqDGkjPPEJyc19N7/WT3XPOy5eLJZ3hoURBEZrRs0tOymBlz2CM3AEx+EjYBG3vifLPewF/3hpgSAT4eLxvdvg3RRwyzrosKzvc8RNvL698Ksfdmjab5n8V28FBd",
      "e": 65537,
      "fingerprint": "d9:55:fc:89:e5:f1:14:2c:e0:8b:b5:8d:85:97:8d:54",
      "n": 25436002407179671443914632776668067551048819150835391468199860387275399084332808557339508669366123199766624083198533953693904610626410944742295495188018231176911934944520676031757181482370769914404880868810693662481100319624739044273980153848342300064718089239144289692916549189626573428496317160581420118197716041819559258802956471257558518302019581035706217875085617859467824068368185587392515269491165912735051449454302889444718367922013745688717427305335685614464284853530255677016597983902753889722414260065757704782306723218657358193508935458300031649621595998443432915159941572245925174872719664138863460241501
    }
  },
  "ident": "SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.3",
  "ip": "5.161.68.241",
  "supported": {
    "compression_algorithms_client_to_server": [
      "none"
    ],
    "compression_algorithms_server_to_client": [
      "none"
    ],
    "encryption_algorithms_client_to_server": [
      "aes128-gcm@openssh.com",
      "chacha20-poly1305@openssh.com",
      "aes128-ctr",
      "aes192-ctr",
      "aes256-ctr"
    ],
    "encryption_algorithms_server_to_client": [
      "aes128-gcm@openssh.com",
      "chacha20-poly1305@openssh.com",
      "aes128-ctr",
      "aes192-ctr",
      "aes256-ctr"
    ],
    "kex_algorithms": [
      "curve25519-sha256",
      "curve25519-sha256@libssh.org",
      "ecdh-sha2-nistp256",
      "ecdh-sha2-nistp384",
      "ecdh-sha2-nistp521",
      "diffie-hellman-group14-sha256",
      "diffie-hellman-group14-sha1"
    ],
    "languages_client_to_server": [
      ""
    ],
    "languages_server_to_client": [
      ""
    ],
    "mac_algorithms_client_to_server": [
      "hmac-sha2-256-etm@openssh.com",
      "hmac-sha2-256",
      "hmac-sha1",
      "hmac-sha1-96"
    ],
    "mac_algorithms_server_to_client": [
      "hmac-sha2-256-etm@openssh.com",
      "hmac-sha2-256",
      "hmac-sha1",
      "hmac-sha1-96"
    ],
    "server_host_key_algorithms": [
      "rsa-sha2-256",
      "rsa-sha2-512",
      "ssh-rsa"
    ]
  }
}

SSH Report for 5.161.68.241

Score: F

Server Parameters

Server version SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.3
Compression none

Host Keys

rsa-sha2-256 Generally considered secure a
2048-bit key 
d9:55:fc:89:e5:f1:14:2c:e0:8b:b5:8d:85:97:8d:54
AAAAB3NzaC1yc2EAAAADAQABAAABAQDJffCGpvJBTkeEHKvD8GF5G1ZJ2n4Lypkx
Pq97sZLa4eaf9o2vkSVrm5W+4IZ4tHjaW8ymUdCIixu6/yI5HjcwOkeFIuyhx7S/
DBplwMEB86Vo1DCrrYqjHKawnSQ85iFpHekT6BqHZydT270x0fAf3SC7VaMZd4FD
XR4vzUtTYbUY8aTaU+8bgWO6i4wY0VU6bXRVZqJ3tbfTk77CphhTuW4NHqDGkjPP
EJyc19N7/WT3XPOy5eLJZ3hoURBEZrRs0tOymBlz2CM3AEx+EjYBG3vifLPewF/3
hpgSAT4eLxvdvg3RRwyzrosKzvc8RNvL698Ksfdmjab5n8V28FBd
 a
rsa-sha2-512 Generally considered secure a
2048-bit key 
d9:55:fc:89:e5:f1:14:2c:e0:8b:b5:8d:85:97:8d:54
AAAAB3NzaC1yc2EAAAADAQABAAABAQDJffCGpvJBTkeEHKvD8GF5G1ZJ2n4Lypkx
Pq97sZLa4eaf9o2vkSVrm5W+4IZ4tHjaW8ymUdCIixu6/yI5HjcwOkeFIuyhx7S/
DBplwMEB86Vo1DCrrYqjHKawnSQ85iFpHekT6BqHZydT270x0fAf3SC7VaMZd4FD
XR4vzUtTYbUY8aTaU+8bgWO6i4wY0VU6bXRVZqJ3tbfTk77CphhTuW4NHqDGkjPP
EJyc19N7/WT3XPOy5eLJZ3hoURBEZrRs0tOymBlz2CM3AEx+EjYBG3vifLPewF/3
hpgSAT4eLxvdvg3RRwyzrosKzvc8RNvL698Ksfdmjab5n8V28FBd
 a
ssh-rsa Generally considered secure a
2048-bit key 
d9:55:fc:89:e5:f1:14:2c:e0:8b:b5:8d:85:97:8d:54
AAAAB3NzaC1yc2EAAAADAQABAAABAQDJffCGpvJBTkeEHKvD8GF5G1ZJ2n4Lypkx
Pq97sZLa4eaf9o2vkSVrm5W+4IZ4tHjaW8ymUdCIixu6/yI5HjcwOkeFIuyhx7S/
DBplwMEB86Vo1DCrrYqjHKawnSQ85iFpHekT6BqHZydT270x0fAf3SC7VaMZd4FD
XR4vzUtTYbUY8aTaU+8bgWO6i4wY0VU6bXRVZqJ3tbfTk77CphhTuW4NHqDGkjPP
EJyc19N7/WT3XPOy5eLJZ3hoURBEZrRs0tOymBlz2CM3AEx+EjYBG3vifLPewF/3
hpgSAT4eLxvdvg3RRwyzrosKzvc8RNvL698Ksfdmjab5n8V28FBd
 a

Key Exchange

curve25519-sha256 Generally considered secure a
curve25519-sha256@libssh.org Generally considered secure a
ecdh-sha2-nistp256 NIST curves considered insecure b
ecdh-sha2-nistp384 NIST curves considered insecure b
ecdh-sha2-nistp521 NIST curves considered insecure b
diffie-hellman-group14-sha256 Generally considered secure a
diffie-hellman-group14-sha1 SHA1 is broken. Consider using a unique DH group d

Message Authentication

hmac-sha2-256-etm@openssh.com Generally considered secure a
hmac-sha2-256 Generally considered secure a
hmac-sha1 SHA1 is broken f
hmac-sha1-96 SHA1 is broken. Use at least 128 bits f

Encryption

aes128-gcm@openssh.com Consider upgrading to 192- or 256- bits. b
chacha20-poly1305@openssh.com Generally considered secure a
aes128-ctr Consider upgrading to 192- or 256-bit b
aes192-ctr Generally considered secure a
aes256-ctr Generally considered secure a