{
  "gex": {
    "1024": "EOF",
    "2048": {
      "g": 5,
      "p": 27341575807763915440957436428535182220000142184360678911922806134491171513601962928327153348379807003733212430441448335485539392927243408042052390132908460163622584761057456708037688348575981208568914166389954528379694087283746499739482793397547460009641464925892388008516688501843729426533031109155115312446405006471151097937294746430880161881055644049400477438004282947912557557327202968235636217357700570278135233543883386833783302503437400921214847918691618728831336071363513428886080975814569778943504942469750897997196854760936021938339670540667623962202131066843992659136047477962518548417233315488799093214783
    },
    "3072": {
      "g": 5,
      "p": 5431149932683135390995718215584596319726914061167638481441962061850676767926777618872970201063107808109182259668906394123622566656982066999004819696518120446679967456585009689015697681314899436985817765679088657646974355025517570551835138809516079290301571906083714200347011069803258125920606393287750909606686491047716964252364919884957766098690119130061807468158599825935145688433946196005448449632318876105109340549864263968916151856551457992151277286064321837808714072139642938064883239167056160583787228197839501191220531398952171257293360104494427281990590310170511905405750256907449623256970702912022378954767416369035548352354821288814770277822413724887110624967444225363272909349259464953840932949738694786000779420539048512195713827033316707888472284724658668778011186470546442776047088998794566619248266718491633550616209320462414022642645959759658693275222151305971911736588315116743092890339672687501635604738623
    },
    "4096": {
      "g": 5,
      "p": 940156361619547660948810531838213505075664778217439755011127671599489839204818260421249851618380485041613647507941493419239306239656553101512480123026818712428236501650852962465296624396166959780946445891365674516379331712741585736695612547435308243331733053216079944045985503340164426591241793942609232063990996285270847985208543637392117126171353713898512374121363684671643853568151535541122738848589916320889616078285095338511352040404958068471039391922932354715376117801264743678848874703010085740981258173466662404828805097531279589585675181347934939336286541392999455664892898945530103487140875043095023268464538321947302866357609839354625619421818133896704888049066313353820171907034092843516421557612339905773444964843143026155109471400524287743066055448190690095287916614822276579029099812593799571495175304599104145185429168110654332073359485111652690422130129194142287633842051518755618080372282515142929788462163868136223059440898078646511391588000871105071026119566235549183149445145436409726449614302634777489657270331093060341697335014278980040749074121275961696433591071150551589437609819764298709872019803068253092731684760819121247385814188503573824365585532509349190600219220801821860433142599909022159545905203823
    },
    "6144": {
      "g": 2,
      "p": 28406698086767307878843125119538360184008265310044427768990969818921581799645556826234752288833639900623565729499301987174071578551882318895183721658650239926767276912201068414365684715455823280599234551144183058213125239305456572437235875850251010765256003647129179096265673290544991743905719875019755872991210441481474905862323233436310635146301602556560015661199448910010926925726530528757873231298167018520236110287674292409436349893185360440085045904575995871183924656946091710296258369880634364170559548669289144568304885223544855544170029529176526533274913635792368885422933812646589717109649141655658413166741130822434239802867654299219763486922090634152887907511576352159136806704479362292888302519259990118909432287415620174220297078660796103196583426104227782882053874574630661043476736484078779366683168994119741019894836721574345754323709915592517181356400710717361450482735288362327257443034688347216636328611265771387333716667565403990365905373013733959507819376010604893518612681306618733779096466523619025891657113342456532623989681166396435830678862504273520341588912666309387422953626739261263712883795268924148796180802927117345064779204000019284529117462949171518883219951569727678032771723293714406010181953220908548988723054837824001719676157370822594966533361862440179782055387743863768261626227702240809062102728942213036851989540896298754231536581025067233749243040743007834348998213325046393558863703606245601316900160770061109159126067903222286048747074907255080379799869979685853126264936842732420604079030425272275925189001543480090646377244316871211497749001224917010861173573317924832988839224628680201350728186919404504323194863752838460057176263009965755774652615733545507065613312771429292100415536995665823785748690994113325409562969940579062065175534939352774732955343250261345610133267090404082229626856396538667
    },
    "768": "EOF",
    "8192": {
      "g": 2,
      "p": 1027412758441221644575658812373902817218488522340647809026557869750939436617648928700263718815328230457497545650634915075431235296861260700217304318917907139108130784184706762057751630799464549097934391075153037834796462299182613351974972935278301474816601119376062122325868834570312971134623058279619700516133394355986606013063828426288595854202471295275311087189327936292501166256726070659348925122972389044765133696778514169502651441048456955215806147622964782903847095725924480291924515222917402127852068184679519023985393368825919414162530964196476934546051943478965021696853275901530944636559288809086682722039109090236168999873426556819902716168820142621560752885501307868120949117033236527369615747330426806468679282887554759701740352840234322111486260923227548803207833530528490626420059818297756592288234134447937343768485791508860041022525803201545289052794841283689098068810873208945002264598178905238938473554168706477779872211368333490131447203417643930796800967433320102538613933718880973152604586888470315998227746986421903424279082272605701102518986939958775117761084622458888787998952011877808985353520274300395979710525608684264664185942907553288886097749569920987357294995956713616923266761531648261790772813852626873514445446317195380157806767043515613843732857038767840992307243294811589437786569101214289297468936971787377314880948739781457012198824778251172260956284311524023182585559102468328287134675606994468609534391459367835212697667080438838875197653249546282038250646688899244223897699103503768206725672137381006731845420946571753027133118256384608728059845126956041130154421207788411516973647378236280627985740016843910691938219066170541565256831655352903396722253771260839886776141011659140628391650402495110893399570138378583445560493550082224709636288980112893795470422753232471392681476984957061266211887076464680185338677072596794761534128485915542743493374160790261848033413418463725046965220565392971859168498023922376849397683755798239974591294421309859085357815832708906465607430823859892165419025453581494483413732033055778384204484433868574206240341510944294230453011333830154519985731199483040501491615557993456610825115505608820129038217724675912629609164614293346404736215009917041435535779360824744844344219688044049578549926181136504820339911113793068275486812342079687566596048808580764659794696529882748856607965532240178302283660061526861146842009426639008248425386637012922637643927057902772224105665631561433573947
    }
  },
  "host_keys": {
    "ecdsa-sha2-nistp256": {
      "algorithm": "ecdsa-sha2-nistp256",
      "ascii": "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBBoGarzfcM/5YR0UNVW9DrutYTNa7FQxKtK/gfn0wAWc3HaItdsHWY8lB8EWt9+xky70XiQNKIYfShWFEm/hCao=",
      "fingerprint": "76:49:4d:93:f9:42:f1:b2:e1:24:17:ed:91:d1:b9:58",
      "n": 54994275035515242672237808876397573519547495350401318123460636321517607070151297009977447788855000318501510527427633758851837021083777579308743013961894314,
      "name": "nistp256"
    },
    "ssh-ed25519": {
      "algorithm": "ssh-ed25519",
      "ascii": "AAAAC3NzaC1lZDI1NTE5AAAAIPoAmJPw4BPCfnxIUPVvNSzk16s+lr8aiT8QRAu0lAmz",
      "fingerprint": "de:d2:2e:0b:41:03:2b:d4:a4:a2:51:6a:03:bb:f9:a6",
      "n": -2712824037575596085054500222959694940255349209842717235809275348385018934861
    },
    "ssh-rsa": {
      "algorithm": "ssh-rsa",
      "ascii": "AAAAB3NzaC1yc2EAAAADAQABAAABAQCnFl8N/LIGQ9fwTy/qVRgPALcqNNdpW/S9W2K8xLXG9L3UceGmS2qvf98WGpcryqeJnTKxFuNTDXYUSlWXd8OSNBG15sURs2i7zrQtC4nADhIBoMnInghyfD1m8F0xbMRzcC2RuLPfipT6KKjhJgbFKI945wmPdSoZISvis4y1ZnwqM2cW1228Sv0/18+ZIyw1ADM9uu3U57Ts9B65CP+hlI77nzWSPtKkg46oKTjKoUuxX0TXoHk68IGin82DXTkd2xS8SmeYU/pPD/cIW5D5LVezy6FhHkxPEx6ByMSOQkeDlvf+W1ILdC/Pe8MJfidBNJTIQHm+TkOzOTiBGClN",
      "e": 65537,
      "fingerprint": "c1:19:45:e6:c1:0f:17:ff:3f:65:53:41:30:7e:25:0e",
      "n": 21092828632057505118634830899549602126871649897462551271611979776860321816725437316532158169567264609133689952364103381357610117501518503055590433173047494816093477069232352971347415272665537553062017708346568069535978731829859154479096608821292857322597761021455472768231537322084365140867795918073247111215208470872456829654932977813777349305262046353177181484624359280004676937056764990346912704314907667152888330059312887770704339598026282933795543854839514090904841533988297845365859633488323716436727552062525787449121314467971775667512626555402251623891055720520169808220380658655132579127424207554643798534477
    }
  },
  "ident": "SSH-2.0-OpenSSH_8.2",
  "ip": "158.69.48.172",
  "supported": {
    "compression_algorithms_client_to_server": [
      "none",
      "zlib@openssh.com"
    ],
    "compression_algorithms_server_to_client": [
      "none",
      "zlib@openssh.com"
    ],
    "encryption_algorithms_client_to_server": [
      "chacha20-poly1305@openssh.com",
      "aes128-ctr",
      "aes192-ctr",
      "aes256-ctr",
      "aes128-gcm@openssh.com",
      "aes256-gcm@openssh.com"
    ],
    "encryption_algorithms_server_to_client": [
      "chacha20-poly1305@openssh.com",
      "aes128-ctr",
      "aes192-ctr",
      "aes256-ctr",
      "aes128-gcm@openssh.com",
      "aes256-gcm@openssh.com"
    ],
    "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"
    ],
    "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 zapdos.duckdns.org

Score: F

Server Parameters

Server version SSH-2.0-OpenSSH_8.2
Compression none
zlib@openssh.com

Host Keys

rsa-sha2-512 Generally considered secure a
2048-bit key
c1:19:45:e6:c1:0f:17:ff:3f:65:53:41:30:7e:25:0e
AAAAB3NzaC1yc2EAAAADAQABAAABAQCnFl8N/LIGQ9fwTy/qVRgPALcqNNdpW/S9
W2K8xLXG9L3UceGmS2qvf98WGpcryqeJnTKxFuNTDXYUSlWXd8OSNBG15sURs2i7
zrQtC4nADhIBoMnInghyfD1m8F0xbMRzcC2RuLPfipT6KKjhJgbFKI945wmPdSoZ
ISvis4y1ZnwqM2cW1228Sv0/18+ZIyw1ADM9uu3U57Ts9B65CP+hlI77nzWSPtKk
g46oKTjKoUuxX0TXoHk68IGin82DXTkd2xS8SmeYU/pPD/cIW5D5LVezy6FhHkxP
Ex6ByMSOQkeDlvf+W1ILdC/Pe8MJfidBNJTIQHm+TkOzOTiBGClN
a
rsa-sha2-256 Generally considered secure a
2048-bit key
c1:19:45:e6:c1:0f:17:ff:3f:65:53:41:30:7e:25:0e
AAAAB3NzaC1yc2EAAAADAQABAAABAQCnFl8N/LIGQ9fwTy/qVRgPALcqNNdpW/S9
W2K8xLXG9L3UceGmS2qvf98WGpcryqeJnTKxFuNTDXYUSlWXd8OSNBG15sURs2i7
zrQtC4nADhIBoMnInghyfD1m8F0xbMRzcC2RuLPfipT6KKjhJgbFKI945wmPdSoZ
ISvis4y1ZnwqM2cW1228Sv0/18+ZIyw1ADM9uu3U57Ts9B65CP+hlI77nzWSPtKk
g46oKTjKoUuxX0TXoHk68IGin82DXTkd2xS8SmeYU/pPD/cIW5D5LVezy6FhHkxP
Ex6ByMSOQkeDlvf+W1ILdC/Pe8MJfidBNJTIQHm+TkOzOTiBGClN
a
ssh-rsa Generally considered secure a
2048-bit key
c1:19:45:e6:c1:0f:17:ff:3f:65:53:41:30:7e:25:0e
AAAAB3NzaC1yc2EAAAADAQABAAABAQCnFl8N/LIGQ9fwTy/qVRgPALcqNNdpW/S9
W2K8xLXG9L3UceGmS2qvf98WGpcryqeJnTKxFuNTDXYUSlWXd8OSNBG15sURs2i7
zrQtC4nADhIBoMnInghyfD1m8F0xbMRzcC2RuLPfipT6KKjhJgbFKI945wmPdSoZ
ISvis4y1ZnwqM2cW1228Sv0/18+ZIyw1ADM9uu3U57Ts9B65CP+hlI77nzWSPtKk
g46oKTjKoUuxX0TXoHk68IGin82DXTkd2xS8SmeYU/pPD/cIW5D5LVezy6FhHkxP
Ex6ByMSOQkeDlvf+W1ILdC/Pe8MJfidBNJTIQHm+TkOzOTiBGClN
a
ecdsa-sha2-nistp256 NIST curves considered insecure b
76:49:4d:93:f9:42:f1:b2:e1:24:17:ed:91:d1:b9:58
AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBBoGarzfcM/5
YR0UNVW9DrutYTNa7FQxKtK/gfn0wAWc3HaItdsHWY8lB8EWt9+xky70XiQNKIYf
ShWFEm/hCao=
a
ssh-ed25519 Generally considered secure a
de:d2:2e:0b:41:03:2b:d4:a4:a2:51:6a:03:bb:f9:a6
AAAAC3NzaC1lZDI1NTE5AAAAIPoAmJPw4BPCfnxIUPVvNSzk16s+lr8aiT8QRAu0
lAmz
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
D89645A8729D536F81F6D80ACE07FEA130E55B5076785AB086044CD7C09718E6
309ECDB7D645DF39726B92D14BA56A5D5362D6E6A839FD131805A20868A85956
B460A31467BB58F14DB8C6DA03A030B2002DF101FD01B47E93D4CBA0AEDC33E4
A3111DD61535FD9E38191503F02D7B848C11C3F1819AEEECFD3F2992F4A6BE64
33CA9674F225939A22A926CC47080CD0E17681FF0660AC456B2524204485FAC0
4EB9687CFC6C8FDA3AAA60035F2686668FD75F9975C02C2D8EC4AFD865AD9047
32A6011C986334B60E617AB6E5055BE357B43B1B647F382CAE57AA0920FC0F66
4A07B94F2642EA7D99CBAC3A5D126B356DA271178A93E7F7C20F17F7B934CE3F
a
3072 bit request 3072-bit group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4096 bit request 4096-bit group
E673598807FAF65E41EFEC75371D9AD2684AC881287DD888940132E92A2007D6
E9813AFC8880A8079F83130299E3B609A7CE849DAD80899C0A429CA828331E42
0E4220A961DF1F8B404073D1889D5DD5666A84EE4371DD16E8A17192343D45D5
8387BAFAD6ACBDD7DEC72E0707753F5DD3DB00CBDC69F78849C58AB5FAA84BD9
1528C90ABE465ED65C5C32F9A5FE06CAA0BF5166F5F7887A3584F021C47EE912
29B1CDBB5E8C39FA9A58C36349626B1AC1F5A4EF05DD658D2F9482BE4A3BE28F
C9CF811EEC3BBEE80C2E1A208AD9FB0D186B00375F3854C7F1E9E185C6F87D0E
8E5AEF0F93948C2214071C37DDC331700390488077A641CC4C292D4EC017450A
4CC51C825694F6058F3C4E7D1225219BD4E9CA63E7DB2402698DE641DDAC693D
9DB8F7F113CC42A74DFCB2A34FF87FCA8965B2E4EC4CE6AA3A7DBD24E22F9505
FB9A3AB3A8DD87B6ACDF0C4FBA8CC1D7947888C40EF86B39797CDCC929E0CF8C
9BC5BBDB0D87D9B673FA8318EF87A71DA8E4711BD27124712A46103C1B598954
82394586A1D9A6FE88F3DE32B1C76D817489DE1C14D3E0EB844758C531E18A43
EA7AF68DA14DDEA76209D36DD5079A64A0254A699903031444D2C79F763D78FB
23A28231D022ECE95538EF2BFC103956822A2997653ADF5836943304510000A4
CAA891C242887751B94AEBBC6C7432D4A4F8291A29CBC1B1C369EBC752844A6F
a
6144 bit request 6144-bit group
D775D98222C19B71B1640F95F44179182E462E941B1ED2AABD7B9A92A387C5A1
0014F3150A4E2F48FAA83BBA757A7AFAD52FFBA351FF9DCED93B94669353E737
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2F249492AFD7D007CF1718799D821E220AA90AB881E64096726963959F094A6A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45F92A62B10827FE5391D421CDDD3477525D7962802F86FB6DD776DF8AEFC32B
a
8192 bit request 8192-bit group
F122963CFEE6139B56681827DC42F5A3E93AB62CB5E7052D5CEBDA60FE7FA3C7
FACD12B72B38A1D609BE215CAD2B82637CA2D651119887DFBF697D6330C983B8
BB1C00C8015762672AEFEB3EF5A24A16747F9181C752A0E584F123B163EF002C
7D5D0C7A0A6EE9C97591CF767147C484586D704CE9D33FAB0D424DE0CB3C4198
0798B202D90F2003F9709437FCDBE62DB3B9316C65C3F924BD69847170A8753B
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109DF156E23B683A1F5ADD128392CC4B4F2CCFD5DEC1C8B2AE0E47C16E66BBD9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diffie-hellman-group16-sha512 Generally considered secure a
diffie-hellman-group18-sha512 Generally considered secure a
diffie-hellman-group14-sha256 Generally considered secure 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

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