ssh-audit/test/docker/expected_results/openssh_5.6p1_test4.txt

# general
(gen) banner: SSH-2.0-OpenSSH_5.6
(gen) software: OpenSSH 5.6
(gen) compatibility: OpenSSH 5.6-6.6, Dropbear SSH 0.53+ (some functionality from 0.52)
(gen) compression: enabled (zlib@openssh.com)

# key exchange algorithms
(kex) diffie-hellman-group-exchange-sha256 (1024-bit) -- [fail] using small 1024-bit modulus
                                                      `- [info] available since OpenSSH 4.4
(kex) diffie-hellman-group-exchange-sha1 (1024-bit) -- [fail] using small 1024-bit modulus
                                                    `- [info] available since OpenSSH 2.3.0
(kex) diffie-hellman-group14-sha1           -- [fail] using broken SHA-1 hash algorithm
                                            `- [warn] 2048-bit modulus only provides 112-bits of symmetric strength
                                            `- [info] available since OpenSSH 3.9, Dropbear SSH 0.53
(kex) diffie-hellman-group1-sha1            -- [fail] using small 1024-bit modulus
                                            `- [fail] vulnerable to the Logjam attack: https://en.wikipedia.org/wiki/Logjam_(computer_security)
                                            `- [fail] using broken SHA-1 hash algorithm
                                            `- [info] available since OpenSSH 2.3.0, Dropbear SSH 0.28
                                            `- [info] removed in OpenSSH 6.9: https://www.openssh.com/txt/release-6.9

# host-key algorithms
(key) ssh-rsa (3072-bit)                    -- [fail] using broken SHA-1 hash algorithm
                                            `- [info] available since OpenSSH 2.5.0, Dropbear SSH 0.28
                                            `- [info] deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8
(key) ssh-rsa-cert-v01@openssh.com (3072-bit cert/1024-bit RSA CA) -- [fail] using broken SHA-1 hash algorithm
                                                                   `- [fail] using small 1024-bit CA key modulus
                                                                   `- [info] available since OpenSSH 5.6
                                                                   `- [info] deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8

# 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) arcfour256                            -- [fail] using broken RC4 cipher
                                            `- [info] available since OpenSSH 4.2
(enc) arcfour128                            -- [fail] using broken RC4 cipher
                                            `- [info] available since OpenSSH 4.2
(enc) aes128-cbc                            -- [warn] using weak cipher mode
                                            `- [info] available since OpenSSH 2.3.0, Dropbear SSH 0.28
(enc) 3des-cbc                              -- [fail] using broken & deprecated 3DES cipher
                                            `- [warn] using weak cipher mode
                                            `- [warn] using small 64-bit block size
                                            `- [info] available since OpenSSH 1.2.2, Dropbear SSH 0.28
(enc) blowfish-cbc                          -- [fail] using weak & deprecated Blowfish cipher
                                            `- [warn] using weak cipher mode
                                            `- [warn] using small 64-bit block size
                                            `- [info] available since OpenSSH 1.2.2, Dropbear SSH 0.28
(enc) cast128-cbc                           -- [fail] using weak & deprecated CAST cipher
                                            `- [warn] using weak cipher mode
                                            `- [warn] using small 64-bit block size
                                            `- [info] available since OpenSSH 2.1.0
(enc) aes192-cbc                            -- [warn] using weak cipher mode
                                            `- [info] available since OpenSSH 2.3.0
(enc) aes256-cbc                            -- [warn] using weak cipher mode
                                            `- [info] available since OpenSSH 2.3.0, Dropbear SSH 0.47
(enc) arcfour                               -- [fail] using broken RC4 cipher
                                            `- [info] available since OpenSSH 2.1.0
(enc) rijndael-cbc@lysator.liu.se           -- [fail] using deprecated & non-standardized Rijndael cipher
                                            `- [warn] using weak cipher mode
                                            `- [info] available since OpenSSH 2.3.0
                                            `- [info] disabled in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0

# message authentication code algorithms
(mac) hmac-md5                              -- [fail] using broken MD5 hash algorithm
                                            `- [warn] using encrypt-and-MAC mode
                                            `- [info] available since OpenSSH 2.1.0, Dropbear SSH 0.28
(mac) hmac-sha1                             -- [fail] using broken SHA-1 hash algorithm
                                            `- [warn] using encrypt-and-MAC mode
                                            `- [info] available since OpenSSH 2.1.0, Dropbear SSH 0.28
(mac) umac-64@openssh.com                   -- [warn] using encrypt-and-MAC mode
                                            `- [warn] using small 64-bit tag size
                                            `- [info] available since OpenSSH 4.7
(mac) hmac-ripemd160                        -- [fail] using deprecated RIPEMD hash algorithm
                                            `- [warn] using encrypt-and-MAC mode
                                            `- [info] available since OpenSSH 2.5.0
(mac) hmac-ripemd160@openssh.com            -- [fail] using deprecated RIPEMD hash algorithm
                                            `- [warn] using encrypt-and-MAC mode
                                            `- [info] available since OpenSSH 2.1.0
(mac) hmac-sha1-96                          -- [fail] using broken SHA-1 hash algorithm
                                            `- [warn] using encrypt-and-MAC mode
                                            `- [info] available since OpenSSH 2.5.0, Dropbear SSH 0.47
(mac) hmac-md5-96                           -- [fail] using broken MD5 hash algorithm
                                            `- [warn] using encrypt-and-MAC mode
                                            `- [info] available since OpenSSH 2.5.0

# fingerprints
(fin) ssh-rsa: SHA256:nsWtdJ9Z67Vrf7OsUzQov7esXhsWAfVppArGh25u244

# algorithm recommendations (for OpenSSH 5.6)
(rec) !diffie-hellman-group-exchange-sha256 -- kex algorithm to change (increase modulus size to 3072 bits or larger) 
(rec) -3des-cbc                             -- enc algorithm to remove 
(rec) -arcfour                              -- enc algorithm to remove 
(rec) -arcfour128                           -- enc algorithm to remove 
(rec) -arcfour256                           -- enc algorithm to remove 
(rec) -blowfish-cbc                         -- enc algorithm to remove 
(rec) -cast128-cbc                          -- enc algorithm to remove 
(rec) -diffie-hellman-group-exchange-sha1   -- kex algorithm to remove 
(rec) -diffie-hellman-group1-sha1           -- kex algorithm to remove 
(rec) -diffie-hellman-group14-sha1          -- kex algorithm to remove 
(rec) -hmac-md5                             -- mac algorithm to remove 
(rec) -hmac-md5-96                          -- mac algorithm to remove 
(rec) -hmac-ripemd160                       -- mac algorithm to remove 
(rec) -hmac-ripemd160@openssh.com           -- mac algorithm to remove 
(rec) -hmac-sha1                            -- mac algorithm to remove 
(rec) -hmac-sha1-96                         -- mac algorithm to remove 
(rec) -rijndael-cbc@lysator.liu.se          -- enc algorithm to remove 
(rec) -ssh-rsa                              -- key algorithm to remove 
(rec) -ssh-rsa-cert-v01@openssh.com         -- key algorithm to remove 
(rec) -aes128-cbc                           -- enc algorithm to remove 
(rec) -aes192-cbc                           -- enc algorithm to remove 
(rec) -aes256-cbc                           -- enc algorithm to remove 
(rec) -umac-64@openssh.com                  -- mac algorithm to remove 

# additional info
(nfo) For hardening guides on common OSes, please see: <https://www.ssh-audit.com/hardening_guides.html>