These servers are used to receive SSH connections related to GIT
operations as well as database encrypted tunnel access with SSH.
# key exchange algorithms
(kex) curve25519-sha256@libssh.org -- [info] available since OpenSSH 6.5, Dropbear SSH 2013.62
(kex) ecdh-sha2-nistp256 -- [fail] using weak elliptic curves
`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
(kex) ecdh-sha2-nistp384 -- [fail] using weak elliptic curves
`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
(kex) ecdh-sha2-nistp521 -- [fail] using weak elliptic curves
`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
(kex) diffie-hellman-group14-sha1 -- [warn] using weak hashing algorithm
`- [info] available since OpenSSH 3.9, Dropbear SSH 0.53
# host-key algorithms
(key) ssh-rsa (4096-bit) -- [fail] using weak hashing algorithm
`- [info] available since OpenSSH 2.5.0, Dropbear SSH 0.28
`- [info] a future deprecation notice has been issued in OpenSSH 8.2: https://www.openssh.com/txt/release-8.2
(key) ssh-ed25519 -- [info] available since OpenSSH 6.5
# encryption algorithms (ciphers)
(enc) aes128-ctr -- [info] available since OpenSSH 3.7, Dropbear SSH 0.52
(enc) aes192-ctr -- [info] available since OpenSSH 3.7
(enc) aes256-ctr -- [info] available since OpenSSH 3.7, Dropbear SSH 0.52
(enc) aes128-gcm@openssh.com -- [info] available since OpenSSH 6.2
# message authentication code algorithms
(mac) hmac-sha2-256 -- [warn] using encrypt-and-MAC mode
`- [info] available since OpenSSH 5.9, Dropbear SSH 2013.56
(mac) hmac-sha1 -- [warn] using encrypt-and-MAC mode
`- [warn] using weak hashing algorithm
`- [info] available since OpenSSH 2.1.0, Dropbear SSH 0.28
# key exchange algorithms
(kex) curve25519-sha256@libssh.org -- [info] available since OpenSSH 6.5, Dropbear SSH 2013.62
# host-key algorithms
(key) rsa-sha2-512 (4096-bit) -- [info] available since OpenSSH 7.2
(key) rsa-sha2-256 (4096-bit) -- [info] available since OpenSSH 7.2
(key) ssh-ed25519 -- [info] available since OpenSSH 6.5
# encryption algorithms (ciphers)
(enc) chacha20-poly1305@openssh.com -- [info] available since OpenSSH 6.5
`- [info] default cipher since OpenSSH 6.9.
(enc) aes128-gcm@openssh.com -- [info] available since OpenSSH 6.2
# message authentication code algorithms
(mac) hmac-sha2-256-etm@openssh.com -- [info] available since OpenSSH 6.2