2019-08-26 20:45:31 +02:00
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[0;36m# general[0m
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[0;32m(gen) banner: SSH-2.0-dropbear_2019.78[0m
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[0;32m(gen) software: Dropbear SSH 2019.78[0m
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2019-10-21 17:50:23 +02:00
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[0;32m(gen) compatibility: OpenSSH 7.4+ (some functionality from 6.6), Dropbear SSH 2018.76+[0m
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2019-08-26 20:45:31 +02:00
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[0;32m(gen) compression: enabled (zlib@openssh.com)[0m
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[0;36m# key exchange algorithms[0m
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2019-10-21 17:50:23 +02:00
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[0;32m(kex) curve25519-sha256 -- [info] available since OpenSSH 7.4, Dropbear SSH 2018.76[0m
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2024-03-19 23:24:22 +01:00
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[0;32m `- [info] default key exchange from OpenSSH 7.4 to 8.9[0m
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2023-03-24 02:36:02 +01:00
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[0;32m(kex) curve25519-sha256@libssh.org -- [info] available since OpenSSH 6.4, Dropbear SSH 2013.62[0m
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2024-03-19 23:24:22 +01:00
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[0;32m `- [info] default key exchange from OpenSSH 6.5 to 7.3[0m
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2023-03-24 02:36:02 +01:00
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[0;31m(kex) ecdh-sha2-nistp521 -- [fail] using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
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2023-03-24 02:36:02 +01:00
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[0;31m(kex) ecdh-sha2-nistp384 -- [fail] using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
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2023-03-24 02:36:02 +01:00
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[0;31m(kex) ecdh-sha2-nistp256 -- [fail] using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
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2023-02-06 22:27:30 +01:00
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[0;33m(kex) diffie-hellman-group14-sha256 -- [warn] 2048-bit modulus only provides 112-bits of symmetric strength[0m
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`- [info] available since OpenSSH 7.3, Dropbear SSH 2016.73
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2023-03-24 02:36:02 +01:00
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[0;31m(kex) diffie-hellman-group14-sha1 -- [fail] using broken SHA-1 hash algorithm[0m
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2023-02-06 22:27:30 +01:00
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[0;33m `- [warn] 2048-bit modulus only provides 112-bits of symmetric strength[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 3.9, Dropbear SSH 0.53
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[0;32m(kex) kexguess2@matt.ucc.asn.au -- [info] available since Dropbear SSH 2013.57[0m
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[0;36m# host-key algorithms[0m
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2023-03-24 02:36:02 +01:00
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[0;31m(key) ecdsa-sha2-nistp256 -- [fail] using elliptic curves that are suspected as being backdoored by the U.S. National Security Agency[0m
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2019-08-26 20:45:31 +02:00
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[0;33m `- [warn] using weak random number generator could reveal the key[0m
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`- [info] available since OpenSSH 5.7, Dropbear SSH 2013.62
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2023-03-24 02:36:02 +01:00
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[0;31m(key) ssh-rsa (1024-bit) -- [fail] using broken SHA-1 hash algorithm[0m
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2021-02-02 01:19:46 +01:00
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[0;31m `- [fail] using small 1024-bit modulus[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 2.5.0, Dropbear SSH 0.28
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2023-03-21 19:58:00 +01:00
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`- [info] deprecated in OpenSSH 8.8: https://www.openssh.com/txt/release-8.8
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2020-07-01 04:51:13 +02:00
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[0;31m(key) ssh-dss -- [fail] using small 1024-bit modulus[0m
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2019-08-26 20:45:31 +02:00
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[0;33m `- [warn] using weak random number generator could reveal the key[0m
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`- [info] available since OpenSSH 2.1.0, Dropbear SSH 0.28
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2023-03-24 02:36:02 +01:00
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`- [info] disabled in OpenSSH 7.0: https://www.openssh.com/txt/release-7.0
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2019-08-26 20:45:31 +02:00
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[0;36m# encryption algorithms (ciphers)[0m
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[0;32m(enc) aes128-ctr -- [info] available since OpenSSH 3.7, Dropbear SSH 0.52[0m
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[0;32m(enc) aes256-ctr -- [info] available since OpenSSH 3.7, Dropbear SSH 0.52[0m
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2023-03-24 02:36:02 +01:00
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[0;33m(enc) aes128-cbc -- [warn] using weak cipher mode[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 2.3.0, Dropbear SSH 0.28
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2023-03-24 02:36:02 +01:00
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[0;33m(enc) aes256-cbc -- [warn] using weak cipher mode[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 2.3.0, Dropbear SSH 0.47
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2023-03-24 02:36:02 +01:00
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[0;31m(enc) 3des-ctr -- [fail] using broken & deprecated 3DES cipher[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since Dropbear SSH 0.52
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2023-03-24 02:36:02 +01:00
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[0;31m(enc) 3des-cbc -- [fail] using broken & deprecated 3DES cipher[0m
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2019-08-26 20:45:31 +02:00
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[0;33m `- [warn] using weak cipher mode[0m
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[0;33m `- [warn] using small 64-bit block size[0m
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`- [info] available since OpenSSH 1.2.2, Dropbear SSH 0.28
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[0;36m# message authentication code algorithms[0m
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2023-03-24 02:36:02 +01:00
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[0;31m(mac) hmac-sha1-96 -- [fail] using broken SHA-1 hash algorithm[0m
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2019-08-26 20:45:31 +02:00
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[0;33m `- [warn] using encrypt-and-MAC mode[0m
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`- [info] available since OpenSSH 2.5.0, Dropbear SSH 0.47
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2023-03-24 02:36:02 +01:00
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[0;31m(mac) hmac-sha1 -- [fail] using broken SHA-1 hash algorithm[0m
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[0;33m `- [warn] using encrypt-and-MAC mode[0m
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2019-08-26 20:45:31 +02:00
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`- [info] available since OpenSSH 2.1.0, Dropbear SSH 0.28
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[0;33m(mac) hmac-sha2-256 -- [warn] using encrypt-and-MAC mode[0m
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`- [info] available since OpenSSH 5.9, Dropbear SSH 2013.56
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[0;36m# fingerprints[0m
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[0;32m(fin) ssh-rsa: SHA256:CDfAU12pjQS7/91kg7gYacza0U/6PDbE04Ic3IpYxkM[0m
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[0;36m# algorithm recommendations (for Dropbear SSH 2019.78)[0m
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[0;31m(rec) -3des-cbc -- enc algorithm to remove [0m
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[0;31m(rec) -3des-ctr -- enc algorithm to remove [0m
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2023-03-24 02:36:02 +01:00
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[0;31m(rec) -diffie-hellman-group14-sha1 -- kex algorithm to remove [0m
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2019-08-26 20:45:31 +02:00
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[0;31m(rec) -ecdh-sha2-nistp256 -- kex algorithm to remove [0m
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[0;31m(rec) -ecdh-sha2-nistp384 -- kex algorithm to remove [0m
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[0;31m(rec) -ecdh-sha2-nistp521 -- kex algorithm to remove [0m
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2020-10-21 03:34:34 +02:00
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[0;31m(rec) -ecdsa-sha2-nistp256 -- key algorithm to remove [0m
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2023-03-24 02:36:02 +01:00
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[0;31m(rec) -hmac-sha1 -- mac algorithm to remove [0m
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2019-08-26 20:45:31 +02:00
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[0;31m(rec) -hmac-sha1-96 -- mac algorithm to remove [0m
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[0;31m(rec) -ssh-dss -- key algorithm to remove [0m
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2020-10-21 03:34:34 +02:00
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[0;31m(rec) -ssh-rsa -- key algorithm to remove [0m
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2019-08-26 20:45:31 +02:00
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[0;32m(rec) +diffie-hellman-group16-sha512 -- kex algorithm to append [0m
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[0;32m(rec) +twofish128-ctr -- enc algorithm to append [0m
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[0;32m(rec) +twofish256-ctr -- enc algorithm to append [0m
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2023-03-24 02:36:02 +01:00
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[0;33m(rec) -aes128-cbc -- enc algorithm to remove [0m
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[0;33m(rec) -aes256-cbc -- enc algorithm to remove [0m
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2023-02-06 22:27:30 +01:00
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[0;33m(rec) -diffie-hellman-group14-sha256 -- kex algorithm to remove [0m
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2020-10-21 03:34:34 +02:00
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[0;33m(rec) -hmac-sha2-256 -- mac algorithm to remove [0m
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2019-08-26 20:45:31 +02:00
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2019-09-28 00:14:36 +02:00
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[0;36m# additional info[0m
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[0;33m(nfo) For hardening guides on common OSes, please see: <https://www.ssh-audit.com/hardening_guides.html>[0m
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