{
  "gex": {
    "1024": "EOF",
    "2048": {
      "g": 2,
      "p": 24375805955518142959453326367085943957913862975556331650701477277254333232523319527635656956220037647774033193423019344121288414017905802922851687902112453634816582080033872373415102523110264328497961182622601693114498458475334227045688763859788336414841856313563587148187782271009816221986714447896296655296523147672120411148622434940766992777446382469632762016880812261507017403232918011594356967185419414560955765059528132701693198842437652129776555547171221153276636139827892785865469548302457438773753246430814357077781937456942129374237086008900571025769433177013895427807896817326820726321466420134969860423387
    },
    "3072": {
      "g": 2,
      "p": 4512294388453715725650846314416686716773601220106780426006861262532300604319225221052622733429608909931272446245390733456839218117644493327130911145269167843750209394893898828844971224873828422584322742193051783754538559010673810689394743952947083453434935392425901045748321269225057722948068429142136829172825153533783544792534363006481527850515952261012499096058575278598455706968390844262272633357272019399085385673025281665577348196921074687636452931727219742785232092779272455183791806852107933408723339010167630461697361840109251244311223661163916144504288745217490541506636924755799651933072276924105143461776086468553019628865017819996478754889071921715345901275259177437067599462055516381929943037078423476076147444658559510512354809100558529552685184340326470415293103399593379496982319251934618302692089264128830807935683863113208572899230062384030158165887916949388391085393351233677815259556888654760466415259579
    },
    "4096": {
      "g": 2,
      "p": 858422941557072956898115153886175715841728321621496950679021082141646279423034972200779943132098262176408113171986627470060855346381156483100508869129597310078110276791130882613045603471806123071676688522216793801541503385733157814689137952291917994654811116146803873246362212131677222190424777016912862867362798450737071218397567951525060779220816489875725327948495736311016084724020843485950486459588212059956608308945130513321521094143425590142866471790146199915830558511137101416610213598978933800124318169831076406319946289275814127513756332131645937685306970316823529258053242371365134864024278950605117836422805279043142236639587459559832591370209308065676997479008525373302072376157653078801683430895853444804035329056574560785347104642268109690443774429010949541289337060909057072389340749372452115235479582690338115732777179481028720821009825435829029449576827489378238739858580745902386755899094171233169270291099281423891204592337989834771767228535488993331652264835666264346015074463793027607947840670135418526954307618022705356339428712287549771216286594126018190618348087186255150763477263351204701653983344169914487590398565994377788505044411030181261934443821575776270974137322301306072204631635494117787584350858403
    },
    "6144": {
      "g": 2,
      "p": 26754413628119920582584436411690023920420742492396854112916456895389601356720364756110607119978687304838589805042317009669348278030968798962461026794826981552028990389499699805746053925472261497436859352836552102031395969294122652245539111470257528303342235054204850072976870105617104627625259954048943817715491095228090806823433868175381725553905951649943032759395323133162231019718437727654068626247822944950212910012874106561370102705464426544881349086476788139791955040138013924903175279342839017770691399395524824870159147787676097529884964277412204406709342122179079042236670630132874118494037067726522015497868456586594064228910954552738129417287519411318859978292428170128959746138814332606719112916279983703832906713141935562181142711914482579245644968593662905104224600656375715304454165804418083083289689749663684718201182304986187470557868583044262365671508135973950901519643619955125673246396335470634738628238539197106329987264928359655714896226101813357165933975107717616971451913678689085662798003089950277866165923849704541364999792617013024087262633586307775434144758439455543085530719453816206365480402695975322484423864077936390433357241816612852664923303868410390435920444240142278260477856251876339706876195614832994955854126987034608053039821510973042346449218834933783714941594688980160724751013762185316017267835930852420271341053168085077341512688909623181824141701324596430122402563007607757604932161325703537454806410742635583274506375147093079336897375620539469390721392143190522716003584063070683735812997136921091683286192484595546186762396743279611430019855677443993514383428472658007973943595881672342746553810015000165245252963499763537116781072278624676790379607699924837396518228098681059010965945121127297288220496225989659563102096600863979214787915947519277761532397643819621019110138384474521387513561489801123
    },
    "768": "EOF",
    "8192": {
      "g": 2,
      "p": 923029739808273262279622604119333936865978524874489802146883565228044651807371357252367954236424486057874123808006827424500522968464847951111537407292015274969186320741108912027331156341561267273577459495540713478316628636242676013087893089491167487197707951739885106859535685540130811083817092303163242885041976680764103361100988534767454858249779331140840440011732392816755177816543188166527460449405345682482357608196058353774100076011108334619293929748882500201645525383819009661010964424794865599425214739117320684186763042240132472743732113800632338733131132414271429474643771507843892832615105418598549731386410043081630985046823613965605756008152045220698522790252195010955970552083998444300874025055149765508030647540818738449437164891529355825301405098715199485763974919643189475066116650597439030271587202013658784294201448057670624366853320082870659928338290273923669652490372015858242978651053450512066157834835687518995182524471673298966342970712482161962679843402131844139625403192588976646185676482328926419149222131710081561020426981409833058899878226613572445825483021423050695562611415949473718605830897475901454040471029045834026332850552461750931416235929144365930155085582301949343985925608735376975914263403455803385409538633548145371783439678928478323119921668173918181326762204496321371361457124572660677981641663024525783849927398481983991364056730241680212164625264036643489600793983430132575693217999799163457293491774368628807848466264392106839275918882982807399466740778468103024847722582855075441697840244866941159884662343975819576431292485273568750731197594497118782670975015762985798754651666370059468346346593726715160242253478957621835637011326880404527581779644838664819498513727968126434770061466191610854691278623450866052143166352160117733674161939849171257358473249597151032036308741849529239286769197261234162813437489730728931307786207691180746105610715097629685105876983690517107785869205023840881776363609898934687977802349153898257814250288295865668116559890358041854774629237423723209257224451988334857832644242598068767037994279333849738277988130284949319142946320270783087097012632497673069986069661445757107031466349625615059186874679919876687281833572918373941393945744496277050886970533109072623182664803559780623886661068628685341739283971370750644264709874650382510389724581624349949933163344440243238227271888562812619530066158208664464264051139416429941269287381604080436545921912771161996754064108970460668163
    }
  },
  "host_keys": {
    "ssh-ed25519": {
      "algorithm": "ssh-ed25519",
      "ascii": "AAAAC3NzaC1lZDI1NTE5AAAAIG7+vgBcEsHSkvOHgrcAdmA2NqGlhQf8XveVcjIjneU/",
      "fingerprint": "37:3d:f9:90:40:5b:67:24:7c:75:d5:00:cc:32:96:53",
      "n": 50204503840115349612751775869473586948210202041294741830866246650833789642047
    },
    "ssh-rsa": {
      "algorithm": "ssh-rsa",
      "ascii": "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",
      "e": 65537,
      "fingerprint": "63:10:cf:f5:9c:d7:17:f9:39:7b:e2:33:8f:53:bb:0c",
      "n": 5095351367596144391459898315042190597289161214349633046987137445623126033933318213974323564983788063675860303396605513077309960840862086303768695903853641302651519255523026817754231526834181175688198438749613833263511744753257000970363209105357266343419268490246231413370508412973084632914152593795445125300964554661038072398857064458557446020316683874444138004215415802036317232348774028636994507368615297762966412059272422507836919687072125923855844327835492263624982945277056169579839659051793741981599578671546468166435286752953147225775721527541955316297245388499608030189397491948446955670310528703809297193493775445688111411946714640288861378470429779706876851838215660406781643517515401364671554539155865959892113087109047132155737810975730232198236983240741271979838335900792600403473488774917806094783942718938208761126267724323351462914622910929806750352135447194511421979756356870302022406715560126219498308063781
    }
  },
  "ident": "SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.6",
  "ip": "54.170.200.172",
  "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",
      "aes256-gcm@openssh.com",
      "aes128-gcm@openssh.com",
      "aes256-ctr",
      "aes192-ctr",
      "aes128-ctr"
    ],
    "encryption_algorithms_server_to_client": [
      "chacha20-poly1305@openssh.com",
      "aes256-gcm@openssh.com",
      "aes128-gcm@openssh.com",
      "aes256-ctr",
      "aes192-ctr",
      "aes128-ctr"
    ],
    "kex_algorithms": [
      "curve25519-sha256@libssh.org",
      "diffie-hellman-group-exchange-sha256",
      "kex-strict-s-v00@openssh.com"
    ],
    "languages_client_to_server": [
      ""
    ],
    "languages_server_to_client": [
      ""
    ],
    "mac_algorithms_client_to_server": [
      "hmac-sha2-512-etm@openssh.com",
      "hmac-sha2-256-etm@openssh.com",
      "umac-128-etm@openssh.com",
      "hmac-sha2-512",
      "hmac-sha2-256",
      "umac-128@openssh.com"
    ],
    "mac_algorithms_server_to_client": [
      "hmac-sha2-512-etm@openssh.com",
      "hmac-sha2-256-etm@openssh.com",
      "umac-128-etm@openssh.com",
      "hmac-sha2-512",
      "hmac-sha2-256",
      "umac-128@openssh.com"
    ],
    "server_host_key_algorithms": [
      "ssh-ed25519",
      "rsa-sha2-512",
      "rsa-sha2-256"
    ]
  }
}

SSH Report for 54.170.200.172

Score: F

Server Parameters

Server version SSH-2.0-OpenSSH_8.9p1 Ubuntu-3ubuntu0.6
Compression none
zlib@openssh.com

Host Keys

ssh-ed25519 Generally considered secure a
37:3d:f9:90:40:5b:67:24:7c:75:d5:00:cc:32:96:53
AAAAC3NzaC1lZDI1NTE5AAAAIG7+vgBcEsHSkvOHgrcAdmA2NqGlhQf8XveVcjIj
neU/
a
rsa-sha2-512 Generally considered secure a
3072-bit key
63:10:cf:f5:9c:d7:17:f9:39:7b:e2:33:8f:53:bb:0c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a
rsa-sha2-256 Generally considered secure a
3072-bit key
63:10:cf:f5:9c:d7:17:f9:39:7b:e2:33:8f:53:bb:0c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a

Key Exchange

curve25519-sha256@libssh.org Generally considered secure a
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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3072 bit request 3072-bit group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4096 bit request 4096-bit group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6144 bit request 6144-bit group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8192 bit request 8192-bit group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kex-strict-s-v00@openssh.com Unknown key exchange algorithm f

Message Authentication

hmac-sha2-512-etm@openssh.com Generally considered secure a
hmac-sha2-256-etm@openssh.com Generally considered secure a
umac-128-etm@openssh.com Generally considered secure a
hmac-sha2-512 Generally considered secure a
hmac-sha2-256 Generally considered secure a
umac-128@openssh.com Generally considered secure a

Encryption

chacha20-poly1305@openssh.com Possibly affected by Terrapin MITM d
aes256-gcm@openssh.com Generally considered secure a
aes128-gcm@openssh.com Consider upgrading to 192- or 256- bits. b
aes256-ctr Generally considered secure a
aes192-ctr Generally considered secure a
aes128-ctr Consider upgrading to 192- or 256-bit b