{
  "gex": {
    "1024": {
      "g": 5,
      "p": 154067266396939542649477786989185246326972329227354082117465153687565448762165312464217098764495735400448920074568765934646366109539476631699137604671343954500193640444570473536623188627358578439774307376164792106148598666338930933731316602274985044716679151360726594778343503292557570515634106485347391504503
    },
    "2048": {
      "g": 2,
      "p": 27563193761019613247548371515177384316847824084225106575480908301740963029577884518805700103933765448879089250317670699933971166856529337504768586720594415576825536007382135694131716027111714061100841761749822020754156419143810430565148835961970956363111754308338096248801098929382458584828572042568833550036021892768381735827949705413332687427015324170803133885714537808622879781418431109894681339228328166404895494906516248573754651270645933469226846071724872274977032213549845864353958976270035758083448230949065801706382212021676539586755532340818103650910602731316026640461852485541663126139304916917947269649507
    },
    "3072": {
      "g": 5,
      "p": 5575923964586446705810625443350082680433466497383356489359774242201267549980853845898885160473135577452074603622553416186622764466728702611151924060792496072615682554287667681731207059195079154907812022012745931699364595414155845356516319811133026165908030267127094795616539467032516608876298942709849641404810666801359593212713255507156147855149897968980970682352020085208294008371493797664741933792439241373695604634054822447213706561202932405579837070602571089462869437616308181729282405320192778187069946748947815845919523616003883182600101518332614968728977039799492329542127875269247453999315991057921250054881640513094590356722992018829164146669214327670210280342319305413899947632993893032186051127584092830694588842222490248134127162178496677336100237079967471647393977756338431784802263309965779147737118186278154313279451072178777592056677166200627778718842966888281542735349998195215442090147448433408991576968183
    },
    "4096": {
      "g": 5,
      "p": 976951295264818423814145019577337453096150708929133947663617059780531823187267669457274376239922990754565873607169297360130845448890187786417291079028249783343691789029846601268451296215690213314903456083541355333577410427311881447971805367287874755208402111333422968368451979967217112619004757239404543838081056965194576102381572120583895519909508502077839433017599462987534790187172217008688898403493699506006892763021401178801686094777652418481981973197885366829425516267223099115519867835559992580606475071986737636731536139151008910349139549914420903767704918705510727888937892264183257416630361488728759325665204922817978833631452181366703578751176215779036039400699827111940559816332514905675631290180232033979396358604934908399487110559746953814910475411470091844316895516479895890496829257363243806878927318973639089666158411572986024413229580732689027574150715667833718324676812987145613179913019883840857808049641967605742131995345962765802322558278466405708472375287654348164304900134737497706307550004663308994669291588750190858473103742825980828087081827089508559983559563488318286456702229164823620033123459216766651465604306009327293755006068253526975443215723337098424636939323727106901403320003615330611942886711287
    },
    "6144": {
      "g": 5,
      "p": 28670036454806703861177710080835332331930467388214333783639650115162808796682530669471492642591215523115384359329143985097804755479990919750116315893810887548209881507618134490827779695994579801974944330238483811387014252979631658089560284924614113794428727981121867924787310634742888344120906103954106951053676447057288510963679709647950382648091330356237103607555327525617606310539236883975182912896226593707904833363356716455880661148117175182332888617503152919525644296232757879356561346285252846226533999776917746774544120808268727842167410961206695495779520900668164375264099457594649954127868912240338429524825451783762057070403604585098655502434376892552983291649135978214881046777737893995146999532263140016757302157347492531022441069746568098017599611945510865543991803596088725364132116210069263268198176927456516163801082222933925484938914515586156155129959233337491573862182922111259900069919069372938338133269864386091723555509699281398276468631872687159014337640004658366704031954769211036290677304836343513929986169447357413513704348973456413346898991721327809073454410380316406741899171623668747143410708955923451994568471881358720577482417090820734291156525184898034711814482791216197341079462124809756474410949656862099011582537276761025112907367929720959798313677363442823397904643257274617514134736626714745158260727653821174764104715501766809375712151810872494765913332633121080896735366419480092125378255823527129334372142924469328190405946050620929928358747106317079080489444931780761523664354238019404154112459019686198556666053208302420238270669563333164393627162915732648261305672475611518427891914405044028125108193306493070946292308649048542446647055046274865214348478915891274873511250632626444652002080703060770390325487967304425834693087645002138657374707485374518723074611005864082577999993945714701852359927336578327
    },
    "768": "EOF",
    "8192": {
      "g": 5,
      "p": 921151750808717809911100359031916761579010035268259577686625577751619222467132552189494356777244002935622645429061396510006810139440062515611886696556860905109277940795126760565234325299607849913984986156946165420182514238249447341956573133510690387702428306483549696138756324272874883794956346761923550958394823239001526859949519241557201328167378131680766825550795886366456729624616058674222749616324344776300141265063487627158775052735505400571873836376227630694264652345671124188600876205054215546890452986592365517246824454076505355177117881410112952776548517913337482738058056353981133509206131941820563341667456936466146984650759109032933695391740926176665022459838431544002265962147973399464244960001222103022105700304517185823289285857899709910482311894497239032419331481909930476648421289306539385440834324066593134362772354652775509454124457081547716816169835577610970861162932562840387919813077480313475799475940722798474427722282540642480297286767594172697113431846490902166435780853609827865767921924399352420079658031498792188795078613549912814163265454864458049344694138614263926805584354063704029459505865575934403610803322949276040737262520061210482517915067908448172726355666633074938213857573101645458301472515791679526681338153764991071828365367694915366461525073756239226379899609113902515134161757516287895693880204160275390632435448474535060989870013599905348932693048491549273548368250209954146356642855104794779078402694983284306698357560575018323323060233783110120581106471281268001561596896224587920337944515081648123414674884143401211154053445272477770600685896609294094229030531166428630895874718804301831600238596623140221638728716705471635634345331538067086854335459156515469959688166460235387334043102498432642396479020656193590967827016292162421126430020111701252070081549952415912327288512863849001860456365577696677346417943239217174574448877729308824094659123954223629684165841253002794134664683690992822459177696374352486033358480266284035899510529152129154140340980509830062788417101844358318484034088679148154809336732401862619676924517042212166007125448871569224897847943250755620304869226416392374510226226596289894633816569746198382581313315301065298814743244713864377684470845843269709685799172911002005511331149460244912132269438344537426103496127553723873205762277916050349439096403559361049585639522421547364898017133065675620086044973868891539025785391606586883233461672533943456594304883306773132993396766799371312863
    }
  },
  "host_keys": {
    "ecdsa-sha2-nistp256": {
      "algorithm": "ecdsa-sha2-nistp256",
      "ascii": "AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAJsNt0eUsI0PD2v6Tu5H4XggGyT4o5o0xads9ufwscutlJ+tAIHLbP/2beC4o2CeTdFX8pvvE1z0mL17sgVNMU=",
      "fingerprint": "d4:4a:70:df:98:e1:4f:62:10:7b:cc:a8:de:89:78:b6",
      "n": 53758119451154525124211316071757419185569017097090004218323663954599287540032723305195132929071876091045204642500195604254771492428443895862393623857673413,
      "name": "nistp256"
    },
    "ssh-ed25519": {
      "algorithm": "ssh-ed25519",
      "ascii": "AAAAC3NzaC1lZDI1NTE5AAAAIMQNl10BZqf2mZ4291F+n7BOARbAjY1DYxY6ldz2a8TI",
      "fingerprint": "c8:7b:36:3c:e3:13:7a:b4:6e:1c:a4:85:cc:8f:67:0e",
      "n": -27114757232032916321506094051701072867571845377418220204591006981773312932664
    },
    "ssh-rsa": {
      "algorithm": "ssh-rsa",
      "ascii": "AAAAB3NzaC1yc2EAAAADAQABAAABAQDXuuhvSAAg/4JsyKJrAGJ0fjEPVFyoBD328K5qFLaavZ+VxkF+KIhfHQcE12/lEf5CYDpQhZEPx1VO8CguagwL1Y0TRe1J9K+JNFS61tcYh2NtT3h+8G45mOYu6nr4Dd3k2TgEPOiXsvDTf028yoCik5/K6guUSL3tjqkehViGfcoLuOYrKgrkmjihRmpSWB13GJn03HmDHhpnwQtN55Wf7eq9u8Mb1UoEcmejX9T2Nxc0F/zAb+O9bdUBmvigZq5Kg/64TeoeXACWCl/IFh9o2Y+c7pJzMnEsWp1fL9rQiLqivrkXt/Mn6mnXVIXBO25KO5nWnnnF2Infy8TQRZTN",
      "e": 65537,
      "fingerprint": "66:bb:26:19:f7:9d:f8:50:16:7d:ae:53:0c:76:7c:46",
      "n": 27233403312008733712481886176229584475804872207875260936982179878629226244696458261073440292047718104684630479819827470796109635711467706037165609169006887830909617250130903320396244372662308841154808580772687722646228073449619924100648994055932197358359871788715941432534418238414733664103619442407859964284731911254520893661935835043485963136397990867670066692089553244228789354643497221431850869384651022250257658856454673531783308138134928531697372910115057177119480768257626841311760837497237975693367184390652604662170920708518623359466985997394921772750997271536157510700965307639473190982030507577213500888269
    }
  },
  "ident": "SSH-2.0-OpenSSH_7.4",
  "ip": "149.129.61.68",
  "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",
      "aes128-cbc",
      "aes192-cbc",
      "aes256-cbc",
      "blowfish-cbc",
      "cast128-cbc",
      "3des-cbc"
    ],
    "encryption_algorithms_server_to_client": [
      "chacha20-poly1305@openssh.com",
      "aes128-ctr",
      "aes192-ctr",
      "aes256-ctr",
      "aes128-gcm@openssh.com",
      "aes256-gcm@openssh.com",
      "aes128-cbc",
      "aes192-cbc",
      "aes256-cbc",
      "blowfish-cbc",
      "cast128-cbc",
      "3des-cbc"
    ],
    "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-group-exchange-sha1",
      "diffie-hellman-group14-sha256",
      "diffie-hellman-group14-sha1",
      "diffie-hellman-group1-sha1"
    ],
    "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": [
      "ssh-rsa",
      "rsa-sha2-512",
      "rsa-sha2-256",
      "ecdsa-sha2-nistp256",
      "ssh-ed25519"
    ]
  }
}

SSH Report for index.do

Score: F

Server Parameters

Server version SSH-2.0-OpenSSH_7.4
Compression none
zlib@openssh.com

Host Keys

ssh-rsa Generally considered secure a
2048-bit key
66:bb:26:19:f7:9d:f8:50:16:7d:ae:53:0c:76:7c:46
AAAAB3NzaC1yc2EAAAADAQABAAABAQDXuuhvSAAg/4JsyKJrAGJ0fjEPVFyoBD32
8K5qFLaavZ+VxkF+KIhfHQcE12/lEf5CYDpQhZEPx1VO8CguagwL1Y0TRe1J9K+J
NFS61tcYh2NtT3h+8G45mOYu6nr4Dd3k2TgEPOiXsvDTf028yoCik5/K6guUSL3t
jqkehViGfcoLuOYrKgrkmjihRmpSWB13GJn03HmDHhpnwQtN55Wf7eq9u8Mb1UoE
cmejX9T2Nxc0F/zAb+O9bdUBmvigZq5Kg/64TeoeXACWCl/IFh9o2Y+c7pJzMnEs
Wp1fL9rQiLqivrkXt/Mn6mnXVIXBO25KO5nWnnnF2Infy8TQRZTN
a
rsa-sha2-512 Generally considered secure a
2048-bit key
66:bb:26:19:f7:9d:f8:50:16:7d:ae:53:0c:76:7c:46
AAAAB3NzaC1yc2EAAAADAQABAAABAQDXuuhvSAAg/4JsyKJrAGJ0fjEPVFyoBD32
8K5qFLaavZ+VxkF+KIhfHQcE12/lEf5CYDpQhZEPx1VO8CguagwL1Y0TRe1J9K+J
NFS61tcYh2NtT3h+8G45mOYu6nr4Dd3k2TgEPOiXsvDTf028yoCik5/K6guUSL3t
jqkehViGfcoLuOYrKgrkmjihRmpSWB13GJn03HmDHhpnwQtN55Wf7eq9u8Mb1UoE
cmejX9T2Nxc0F/zAb+O9bdUBmvigZq5Kg/64TeoeXACWCl/IFh9o2Y+c7pJzMnEs
Wp1fL9rQiLqivrkXt/Mn6mnXVIXBO25KO5nWnnnF2Infy8TQRZTN
a
rsa-sha2-256 Generally considered secure a
2048-bit key
66:bb:26:19:f7:9d:f8:50:16:7d:ae:53:0c:76:7c:46
AAAAB3NzaC1yc2EAAAADAQABAAABAQDXuuhvSAAg/4JsyKJrAGJ0fjEPVFyoBD32
8K5qFLaavZ+VxkF+KIhfHQcE12/lEf5CYDpQhZEPx1VO8CguagwL1Y0TRe1J9K+J
NFS61tcYh2NtT3h+8G45mOYu6nr4Dd3k2TgEPOiXsvDTf028yoCik5/K6guUSL3t
jqkehViGfcoLuOYrKgrkmjihRmpSWB13GJn03HmDHhpnwQtN55Wf7eq9u8Mb1UoE
cmejX9T2Nxc0F/zAb+O9bdUBmvigZq5Kg/64TeoeXACWCl/IFh9o2Y+c7pJzMnEs
Wp1fL9rQiLqivrkXt/Mn6mnXVIXBO25KO5nWnnnF2Infy8TQRZTN
a
ecdsa-sha2-nistp256 NIST curves considered insecure b
d4:4a:70:df:98:e1:4f:62:10:7b:cc:a8:de:89:78:b6
AAAAE2VjZHNhLXNoYTItbmlzdHAyNTYAAAAIbmlzdHAyNTYAAABBBAJsNt0eUsI0
PD2v6Tu5H4XggGyT4o5o0xads9ufwscutlJ+tAIHLbP/2beC4o2CeTdFX8pvvE1z
0mL17sgVNMU=
a
ssh-ed25519 Generally considered secure a
c8:7b:36:3c:e3:13:7a:b4:6e:1c:a4:85:cc:8f:67:0e
AAAAC3NzaC1lZDI1NTE5AAAAIMQNl10BZqf2mZ4291F+n7BOARbAjY1DYxY6ldz2
a8TI
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 1024-bit group. Group is less than 2048 bits
DB662973FB21C0B7BF21AB46AFD3E2002AE70C92DE6B9AEAFECF7B0A96D7ACB0
24B7C29DB18E70CB945FA54C7773519BC7161648AFE4939058AC40ECDBBD3636
F5BF45863117E955007C9D0F9333BB4EF62F7C9F6298AB79A309C734F3CF201C
61EBC3926ADD4E80968A65D9F60535164ACE7A7BFEDC1022002BB2BBA4960077
f
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
EF7840BC7248E3E12D223BD86584358750562F5FCB298632E269C7F4347DC441
CEBCBAF5B8AD25C3A3EE85A97FC342EF2B320425ACE6A816200E4A46596E6D91
1E8E5940E4ED1F64275D1A2A1E2DC8A34E26026A8DD9D20AF2E36B2BEB467168
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D3C8CF78FE1AF5D8A4A2B8C092E1FD2688F2829E006C050257DC4C16576AB12A
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0E9A1E408D29FDBE7935625B9AB863891D6D30A54903DD23933303055B8E8647
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7A0AD1EBCBF887A7258C24D8AC9BB86BF847D9AC980919AD9BAF3F29EB5F9FF7
a
6144 bit request 6144-bit group
D9752DD196C5E138B7F542FD56561455DDBDF05DCC107F8A5C8F393529CEBAE3
CECA54E85766015CBFE1856D830D7A20385951C0941FF754570F697951C77F6F
C064C28B708E8A691BDA8C6C1921C7559288EE8A024EB50D923EFF9F143E76B0
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2FC8B0B3CEF237386ED3D4FC6983A8F950B956DC76C09B6AAE22B5B8501B73B6
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4E0D62A122EEF42CA6BEFC7B3517CCB75A293AF2532E29FC2889DFDFC1C0AD17
a
8192 bit request 8192-bit group
D8320CDE33443FD11E472910A82D580EF614A690CF5313E998A6957025083518
35AF6D1DF2FA7AF2F1B234CB85E4174D67D9A32B8CC58DAF6DCFD555275B1D03
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158D421B115F40B124EE448803E07496DE7C2682D4AF433662978CFDCFAC88C9
100C46CC16929A10E3082BCAD4444D59FE57717FB4BE8DE45F4D84716D204AC9
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E9E27BC16F832BC16776609DC2B0E3D605E635258A95907A148D583B44E202BA
4A48211DA3358B7B391B6F3AD0F84D9D7F97DFFA9D819C3D316A59173E8CA970
240349A89E09F0A9B1A4B4C6FFCDD878A977BC9EB254318574C40C49D2DCE56F
F803601E1752BE3824F94D0D66C1C5FDADCC9670BFC85C422811D27F91961EDF
a
diffie-hellman-group16-sha512 Generally considered secure a
diffie-hellman-group18-sha512 Generally considered secure a
diffie-hellman-group-exchange-sha1 SHA1 is broken d
diffie-hellman-group14-sha256 Generally considered secure a
diffie-hellman-group14-sha1 SHA1 is broken. Consider using a unique DH group d
diffie-hellman-group1-sha1 SHA1 is broken. DH group1 is broken f

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
aes128-cbc Consider upgrading to 192- or 256- bits. Consider using CTR mode c
aes192-cbc Consider using CTR mode b
aes256-cbc Consider using CTR mode b
blowfish-cbc 64 bit block size, at least 128 recommended f
cast128-cbc 64 bit block size, at least 128 recommended f
3des-cbc DES is broken f