Report for io.kent.ac.uk

{
  "gex": {
    "1024": "EOF",
    "2048": {
      "g": 2,
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    },
    "6144": {
      "g": 2,
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    },
    "768": "EOF",
    "8192": {
      "g": 5,
      "p": 900389412739154800407036966963953942483740934287408152928378018098201237517790974626857527802177426627588014210266293547389435024481290026602040231096561930906607627148833622403491803062839408504232647106172966243411210216782089800925548583586224804883305128020909746212417846689040240167749141517839802463353510479271565848877687615132884536694764488259168407627791219783748086344939105213991248764179450803086492524659726396625103002328783530359888747651564327203801654003872660291884309090446922020002716601208962920152959521223987023185786006257384850536139510401535821136907207162143264200801414015571886728662813056976667078258412582332783936649254307448105899935535372657511821739779260614216459617121622853842102293471690006891489198317963393531178105344640532832719407345395547503988278774366590979571455003671291032978168638231513808673042350084349715379663515901788565950000670628358864518020509972955606336058211029588895916043312628830768143613780096713963619697192933835528792837493552839993755312116436194038059033958356595222330717473681158630025559576979606530499242194330780137634955114586720230086486798899486484292797456542277037842156114995914853618667240568316766975513821947708605531555932032651136898954563912485231864672597092781050328616930670833116130976208169784277534446817129533436287334611661948979379595287386468708010925862043508208338169422916373991586688519126846318199653152835424205855094497632543077859457287685308529667063124502823462417908739722782094685301748874044922828919323038651896099235531594640377324486328749085254292688187040660644215104566383870112644601336410690926145583242102220226123640240860708460280928899239486028046746540741139524133727865763667772217051977371062346127646462609460584265365122687198422482698244340275093970326203988110828923197920991060762329806514801134818101422069022797900198640261388839794022120681759940732577074452535518510713549809025842578803225387113330050345001914352723952782219571287313161741029677964529992197053162744304258851126820163036715784153237413688234026133864670480507223834250638054457249377379873431622447315331519626788030106277405236249516879943178069143838020035299542320614083413357743255533745288121022027749830956248080775705640657461952218717995993011580718838350574104289026085351439207754656705714575013870841697900656552050369663146024642395400333319699941349148624451481799745779906599787994243090162218067259935983398475869512038707138064407305616990047
    }
  },
  "host_keys": {
    "ecdsa-sha2-nistp256": {
      "algorithm": "ecdsa-sha2-nistp256",
      "ascii": "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLr9R/VdzAffT8S6u11BSAmz/yLYFZKZd9Yyx/08F38Jn2sTiJ+bQ2EVN6hrB9JDuMLGj0gR5gn41MsbDR7t/tY=",
      "fingerprint": "89:d6:7c:89:c9:75:94:1f:b9:05:c0:54:9d:21:03:90",
      "fingerprint_new": "SHA256:/NDs8AFAKycJDk8ps6AdX3eI6Hl++S/lkZqDDEOqJIg=",
      "n": 63424660164730501254956450258123785415158450598143188261772358871704004436684515317172202831281310777710954061691994885319697343038857244713961262588755670,
      "name": "nistp256"
    },
    "ssh-ed25519": {
      "algorithm": "ssh-ed25519",
      "ascii": "AAAAC3NzaC1lZDI1NTE5AAAAIKqz0WU4ejs2DFekobbKSLOnmjzdnW8gujnGrFtlqqnD",
      "fingerprint": "dd:09:98:74:86:e5:0f:4b:c2:31:cf:de:19:cc:a4:53",
      "fingerprint_new": "SHA256:/UijltB1Q10EkhxPvhmOUJI2MtC69pGRK1f4uuTcjXY=",
      "n": -38581194159676714624016036483323455963159316651022437979532261936937942996541
    },
    "ssh-rsa": {
      "algorithm": "ssh-rsa",
      "ascii": "AAAAB3NzaC1yc2EAAAADAQABAAABAQCpvczS3jc+dP9l5Q3VU3H3/0kLhf+tLDdzbMhkfgIqhjOXiVlSh/ohPgfMFT2jQfHwin93/mnR1lGO+VAfjdPyp7TMjTvluUQkbNITbY19kgIFp/ViNejFIrKDkiDGf2ofS72eKSX2Ec4sMajQqSzR70b9KFAJANovOPTZfq7EF8faFJvpuifEQcmYByGtSBXmsF79Dg42SnO7GDIhVRz3z7xZXe87CfKM1ycNGJA0AaOaXx65T+cNr4JmHvw+f+h062KmksM3s8rc2zjLMnZLOlrK1cUETNxmGOGa/gahhgzXNyKI911KbNft48ypvvh2AAW/QUZbZ6sFnOl/lqdP",
      "e": 65537,
      "fingerprint": "52:b4:2c:84:c2:ef:45:5d:39:9b:2a:01:27:20:27:f5",
      "fingerprint_new": "SHA256:FqIq3dOGm1P6kwlkSpwOL/IV16SbVltT5J/L7FZzBH0=",
      "n": 21427867453213372648901484615904204498656868712286720061231726204332780477085502529916408176025339060436323113356768115410388420471719681075315359233090975076777373001289322892638915391790195689399391032118099747644220184008357323555204954651214952903282790442984915804065966164729356099597477029841130259186530961704448408765827761053166215386529303590235186143906688727186717996525328034239405260129285490032452060708371238652857128689344230588451722337675960041711890210666504323397654233420875901909302289306208918605354733000172353383110572935950043514989513511706560710538377753387873091929010890276299909539663
    }
  },
  "ident": "SSH-2.0-OpenSSH_8.7",
  "ip": "129.12.45.164",
  "supported": {
    "compression_algorithms_client_to_server": [
      "none",
      "zlib@openssh.com"
    ],
    "compression_algorithms_server_to_client": [
      "none",
      "zlib@openssh.com"
    ],
    "encryption_algorithms_client_to_server": [
      "aes256-ctr",
      "aes192-ctr",
      "aes128-ctr"
    ],
    "encryption_algorithms_server_to_client": [
      "aes256-ctr",
      "aes192-ctr",
      "aes128-ctr"
    ],
    "kex_algorithms": [
      "curve25519-sha256",
      "curve25519-sha256@libssh.org",
      "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",
      "kex-strict-s-v00@openssh.com"
    ],
    "languages_client_to_server": [
      ""
    ],
    "languages_server_to_client": [
      ""
    ],
    "mac_algorithms_client_to_server": [
      "umac-64-etm@openssh.com",
      "umac-128-etm@openssh.com",
      "hmac-sha2-256-etm@openssh.com",
      "hmac-sha2-512-etm@openssh.com",
      "hmac-sha1-etm@openssh.com",
      "umac-64@openssh.com",
      "umac-128@openssh.com",
      "hmac-sha2-256",
      "hmac-sha2-512",
      "hmac-sha1"
    ],
    "mac_algorithms_server_to_client": [
      "umac-64-etm@openssh.com",
      "umac-128-etm@openssh.com",
      "hmac-sha2-256-etm@openssh.com",
      "hmac-sha2-512-etm@openssh.com",
      "hmac-sha1-etm@openssh.com",
      "umac-64@openssh.com",
      "umac-128@openssh.com",
      "hmac-sha2-256",
      "hmac-sha2-512",
      "hmac-sha1"
    ],
    "server_host_key_algorithms": [
      "rsa-sha2-512",
      "rsa-sha2-256",
      "ssh-rsa",
      "ecdsa-sha2-nistp256",
      "ssh-ed25519"
    ]
  }
}

SSH Report for io.kent.ac.uk

Score: F

Server Parameters

Server version	SSH-2.0-OpenSSH_8.7
Compression	none
	zlib@openssh.com

Host Keys

rsa-sha2-512	Generally considered secure	a
	2048-bit key 52:b4:2c:84:c2:ef:45:5d:39:9b:2a:01:27:20:27:f5 AAAAB3NzaC1yc2EAAAADAQABAAABAQCpvczS3jc+dP9l5Q3VU3H3/0kLhf+tLDdz bMhkfgIqhjOXiVlSh/ohPgfMFT2jQfHwin93/mnR1lGO+VAfjdPyp7TMjTvluUQk bNITbY19kgIFp/ViNejFIrKDkiDGf2ofS72eKSX2Ec4sMajQqSzR70b9KFAJANov OPTZfq7EF8faFJvpuifEQcmYByGtSBXmsF79Dg42SnO7GDIhVRz3z7xZXe87CfKM 1ycNGJA0AaOaXx65T+cNr4JmHvw+f+h062KmksM3s8rc2zjLMnZLOlrK1cUETNxm GOGa/gahhgzXNyKI911KbNft48ypvvh2AAW/QUZbZ6sFnOl/lqdP	a
rsa-sha2-256	Generally considered secure	a
	2048-bit key 52:b4:2c:84:c2:ef:45:5d:39:9b:2a:01:27:20:27:f5 AAAAB3NzaC1yc2EAAAADAQABAAABAQCpvczS3jc+dP9l5Q3VU3H3/0kLhf+tLDdz bMhkfgIqhjOXiVlSh/ohPgfMFT2jQfHwin93/mnR1lGO+VAfjdPyp7TMjTvluUQk bNITbY19kgIFp/ViNejFIrKDkiDGf2ofS72eKSX2Ec4sMajQqSzR70b9KFAJANov OPTZfq7EF8faFJvpuifEQcmYByGtSBXmsF79Dg42SnO7GDIhVRz3z7xZXe87CfKM 1ycNGJA0AaOaXx65T+cNr4JmHvw+f+h062KmksM3s8rc2zjLMnZLOlrK1cUETNxm GOGa/gahhgzXNyKI911KbNft48ypvvh2AAW/QUZbZ6sFnOl/lqdP	a
ssh-rsa	Generally considered secure	a
	2048-bit key 52:b4:2c:84:c2:ef:45:5d:39:9b:2a:01:27:20:27:f5 AAAAB3NzaC1yc2EAAAADAQABAAABAQCpvczS3jc+dP9l5Q3VU3H3/0kLhf+tLDdz bMhkfgIqhjOXiVlSh/ohPgfMFT2jQfHwin93/mnR1lGO+VAfjdPyp7TMjTvluUQk bNITbY19kgIFp/ViNejFIrKDkiDGf2ofS72eKSX2Ec4sMajQqSzR70b9KFAJANov OPTZfq7EF8faFJvpuifEQcmYByGtSBXmsF79Dg42SnO7GDIhVRz3z7xZXe87CfKM 1ycNGJA0AaOaXx65T+cNr4JmHvw+f+h062KmksM3s8rc2zjLMnZLOlrK1cUETNxm GOGa/gahhgzXNyKI911KbNft48ypvvh2AAW/QUZbZ6sFnOl/lqdP	a
ecdsa-sha2-nistp256	NIST curves considered insecure	b
	89:d6:7c:89:c9:75:94:1f:b9:05:c0:54:9d:21:03:90 AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBLr9R/VdzAff T8S6u11BSAmz/yLYFZKZd9Yyx/08F38Jn2sTiJ+bQ2EVN6hrB9JDuMLGj0gR5gn4 1MsbDR7t/tY=	a
ssh-ed25519	Generally considered secure	a
	dd:09:98:74:86:e5:0f:4b:c2:31:cf:de:19:cc:a4:53 AAAAC3NzaC1lZDI1NTE5AAAAIKqz0WU4ejs2DFekobbKSLOnmjzdnW8gujnGrFtl qqnD	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-group-exchange-sha256	Generally considered secure	a
768 bit request	Server refused the request	0
1024 bit request	Server refused the request	0
2048 bit request	2048-bit group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	a
3072 bit request	3072-bit group E2F748529B9B801FBAF3AE42C75013A5C4C959A756D496B01A6E1145DB55AA31 F408A8DEA8B8573506C76D8AF81C9A3F4D5D4B838D34C30C54D3886448581ABD 74D6D95F8B0D4DA21A8E3C6D127657A93354E028D65AC9CFFBCFBD0DEC0EA4F7 CBB1018C9618612FB2A5837631AFC614AD2D5FC45EC872EC8816CCB96841A4DC 14307159F83F694C90472DA3BB20E9EAC91D1F21770CDC6A037855520D801020 05651A54BF12D9BAB8ADB4149ED37B5BD851825B596887DC4E47E55FC0D7B3AE 7FFA43F95CCE340942FBEC7E593A16AEAC11CA1136902A2917BC096E8B16CA28 D0AC2A58B46DA69B9908CFDB5DC16B391B4DD5C1A8346DB2CDB22447E44FF156 7D85B90CD8016029C33D9DE2C992AC73A8155693DDE84FCBB760D88FEA847AEB 13EF8058E11E81A7ED0666794272E362F60EF252BD5E3890D85EB6297F99BFA8 2A7FA94F33EC9804D02E50C56C7856C7B923987825C79A22BF9188AC61E936AC 48A40B73EBE61C1C8724315AEA4D1E5AB2889C2251F9A771493955AC66503AC7	a
4096 bit request	4096-bit group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	a
6144 bit request	6144-bit group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	a
8192 bit request	8192-bit group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	a
diffie-hellman-group16-sha512	Generally considered secure	a
diffie-hellman-group18-sha512	Generally considered secure	a
diffie-hellman-group14-sha256	Generally considered secure	a
kex-strict-s-v00@openssh.com		a

Message Authentication

umac-64-etm@openssh.com	Use at least 128 bits	f
umac-128-etm@openssh.com	Generally considered secure	a
hmac-sha2-256-etm@openssh.com	Generally considered secure	a
hmac-sha2-512-etm@openssh.com	Generally considered secure	a
hmac-sha1-etm@openssh.com	SHA1 is broken	f
umac-64@openssh.com	Use at least 128 bits	f
umac-128@openssh.com	Generally considered secure	a
hmac-sha2-256	Generally considered secure	a
hmac-sha2-512	Generally considered secure	a
hmac-sha1	SHA1 is broken	f

Encryption

aes256-ctr	Generally considered secure	a
aes192-ctr	Generally considered secure	a
aes128-ctr	Consider upgrading to 192- or 256-bit	b

SSH Report for io.kent.ac.uk

Server Parameters

Host Keys

Key Exchange

Message Authentication

Encryption

SSH Configuration Statistics