Report for msebera.cz

{
  "gex": {
    "1024": "EOF",
    "2048": {
      "g": 2,
      "p": 24695550527615209531830693973357357233638008567859776101058985321052791585985312733867285917176781575100565343320586815581377655358149102588499269592280006169550767424962609157176039223217539051229745374051215762061856329435965561453872700797400486135591109307860910142386922903813757821365762613986184342352772851832865501510341081518893006498269390533038579429320044564122468113040383160952476410986760544802896730567070280902749263795613395437027801529019920930626547571577540622707528100509065767573934174521841330731161693460156258410038897182907931306224122891067526385984770252829282075270118669305827459063347
    },
    "3072": {
      "g": 2,
      "p": 5331926118947128382474171339218470136272028949743812866273810130769845587944649527164443960447019380901224823166593219104789224020100732682277024192508428770005404400955238226462915206649129100974725533168434001466888131369517661128864993709156706469423463885766360249724822287253703168571037783954060206226691832299651390221132009666600628341832718942697166975809481827260005363480995667681353122958663383719987458650806739588363475819607843066616981470732676639410352694163552882785602327970686047008704983034348929272014795266356370285953293987627778186695579804414435842781206505691165158688181849163417508528168015723971610256212300261832126552270668730274200749468638986908320614154293341418095008963312387391081542113680133707401962804124996276119272546608231349198380134752429250522553339679162036956321370898723039130008923182422345548434079002690665048778315626680889581957770500675946768338658394766620298380764699
    },
    "4096": {
      "g": 5,
      "p": 815250982932737028559676240958155994660399697064599323247840262228976638912355841084934488443891713324124031598441281673462962287842002978513046628565094090777935186607984602136009871992484834253837195918102495991660024072073079707478721032780563790280205096946484521959176260404481241984787125782384377778825051704373835356646253281398847481155583555572734092145444508588523689012378512388829739323404240663933487982855675022822976522499529771956505411336370431679589717038752460281991102771109046878380898275946181435039308259644005458901438688394492105542529253500903399535762271307348823042935577142958045726410038261196185333437837275421868723469235294990754840574099654388147524031658210591804462919369518413829540819751714832827151742204815228682682107332797354825095908858388357339914921060941642709850894204132687696383150471876501452492221755597049671300385242549635609474791098055325738710504700565648725811865325547773386300130894977107876337761629496523159768418956760956198728242612212053475957933082388131959234130285957667719029563999008972135727673695171796089202717847052549740428068903912770780628614960042498341943920283601551651713728476502339496988270360260292628710917020064078014038516005987064602834222498527
    },
    "6144": {
      "g": 2,
      "p": 32684863935739042993282041081208397858732619410285057635061044759053180585882023363511929716236033191733208559920619148313793238323321173038416942749240202269514054959824825894747146189455672534426219593321079651415709695524154691124522240873358194997865674358384541562603412366896780361500687768153231354583710117615145243668088745599132548617103077535646158824950961686149471989775033206169223719536465728687083500677916316341042867477965342197887579171197120859585659542964421521888089205452251479003001083515321047796053017943213755173067309111402035266698450959909243894317051156587484805379850391117036492095495198429875921907739783807687031475746197516161899866953235379376084315853212781369934032916167523866321907526658276804080824558143011391285213109379040148654974935331691032663663722156649786665123302185091694849563726971908184795889175853522558577891184315328582897242733553288749684447092267485971875915253324295759543144539560731461747590263188925221554868126090533791177702149468554307055624449930792968111751985711417861500126451857441222904270264290608366515337358281459138048118696133894853077749756774512153245124264574146839250863336693934310679039927884589054946022462662435693853402218263189106295933232781004029675408558861192763549297168998653918062556428817982565149669539115580735163715750539556546514816037108014353580093246078335016936728290461609440535322560859524090615183740507289565228422640379610477125317504724510637374802254606287934257265119476392313352176131075906176176112226445371439452158387624591139982772569905652981445351455065357684188931526912513831022757515655004428486132780132419852235469348014273603025491686210503077630480818620767643429474493736752520787540200949597255352791136594113482649528179955164403089331584191408192192516999849959079844875172930871812481579327813927073468567508732180163
    },
    "768": "EOF",
    "8192": {
      "g": 2,
      "p": 1081477650356716966468008028122691327639768646685083430442838580506340108060892884099300338347512083383614043392750233082062548589138474528187586363292515329102462290440879124599626474520772152813157536828735805334100860420379362069652531208783236969599507004048662654514434177393073103698536304249849194496689374183814406907054657931401914833752976582061850480901111932774585358732930247854090405411744931660439218063915665628334535090621730300177550650567742692359939605592366974540160706991739268274311227219592578284934079280867448059953016852589939206536913570416519508416937879827612201972654952167595634627921901091012641257476365467147887431022217892028142009323827499765191702741330858774898034590927108310680395055470805871534225348049834066257054519479738149538999058577708391175511104063211532843512090291444619672052390668655146002588382078467684037496336190246653230236610745359512344548838118980141181444907819118210812941482791530918724162031294829296568251559762548132878296317699938441090823602680375086491122684740498974477784498229736444839215308060240991589431186507525396520700462762739052067847056098920130343138944211046847688942588408926776702272126578126553069209345643101992243511736317023870922816199566147292504477751420215621270484115422457578129480096485138391496172951297594411732620189203084462066566048971845791157031501625622665691244387203816234486791524487785972330746190031764324009527565135289043404737548532138796829450870833146127926309448713719412597054105969750368770716457637286875567901619813720740884964202448133835480419499465220917444151224301359928683835427565975294031516250866505250107619040834985620259862727776272211732329765645130074999711385903103861969840782274063556560346652694310742066750205640223115038833493684501131498997138202936428675658104664584348367078386998966926653973088025167733803847576769455025273760340197720764371633965939884825778354444630201034875590526907711937882339077624865583798796365068932660925355630567449639033164652339089365621219968611912133962137347030186689575551847240536650476802459367533059779693148647340490567112789847881456357748276172830709779850146592954758114493763673019593055961891849886050600255181688895853354088982763889245207401140471864660518766290973137684883640577186362414105443151456415955796707695265291961328158809326718348265916293552534653229296440289403680347413971795605558941173760205422729422766735498446214826117327641855541376054622706603950024947
    }
  },
  "host_keys": {
    "ssh-ed25519": {
      "algorithm": "ssh-ed25519",
      "ascii": "AAAAC3NzaC1lZDI1NTE5AAAAIDN6ShoSJQVe0b7D9H3A9UVjdo9tqnG8WWZjbzkRl2BE",
      "fingerprint": "2b:43:e5:2a:a8:1c:b3:5d:28:de:b5:63:45:e2:1f:4d",
      "fingerprint_new": "SHA256:o2YwzDruZyR0uX0zgoDRwOE8XHmQEp1dlOo08SN9gXk=",
      "n": 23284022051748675339955571024507585233098002640948159196111733524196989820996
    }
  },
  "ident": "SSH-2.0-OpenSSH_8.4p1 Debian-5+deb11u5",
  "ip": "104.248.248.192",
  "supported": {
    "compression_algorithms_client_to_server": [
      "none"
    ],
    "compression_algorithms_server_to_client": [
      "none"
    ],
    "encryption_algorithms_client_to_server": [
      "aes256-ctr",
      "aes256-gcm@openssh.com",
      "aes192-ctr",
      "chacha20-poly1305@openssh.com"
    ],
    "encryption_algorithms_server_to_client": [
      "aes256-ctr",
      "aes256-gcm@openssh.com",
      "aes192-ctr",
      "chacha20-poly1305@openssh.com"
    ],
    "kex_algorithms": [
      "diffie-hellman-group-exchange-sha256",
      "curve25519-sha256@libssh.org",
      "diffie-hellman-group1-sha1",
      "kex-strict-s-v00@openssh.com"
    ],
    "languages_client_to_server": [
      ""
    ],
    "languages_server_to_client": [
      ""
    ],
    "mac_algorithms_client_to_server": [
      "umac-128-etm@openssh.com",
      "hmac-sha2-256-etm@openssh.com",
      "hmac-sha2-512-etm@openssh.com",
      "hmac-sha2-512",
      "hmac-sha2-256"
    ],
    "mac_algorithms_server_to_client": [
      "umac-128-etm@openssh.com",
      "hmac-sha2-256-etm@openssh.com",
      "hmac-sha2-512-etm@openssh.com",
      "hmac-sha2-512",
      "hmac-sha2-256"
    ],
    "server_host_key_algorithms": [
      "ssh-ed25519"
    ]
  }
}

SSH Report for msebera.cz

Score: F

Server Parameters

Server version	SSH-2.0-OpenSSH_8.4p1 Debian-5+deb11u5
Compression	none

Host Keys

ssh-ed25519	Generally considered secure	a
	2b:43:e5:2a:a8:1c:b3:5d:28:de:b5:63:45:e2:1f:4d AAAAC3NzaC1lZDI1NTE5AAAAIDN6ShoSJQVe0b7D9H3A9UVjdo9tqnG8WWZjbzkR l2BE	a

Key Exchange

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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	a
4096 bit request	4096-bit group C7D5773A9200CD53CB4C9244931BB61A711BA1EA3735C53C933074E733E2DAFB BC1F737A508EA82790EF95F7989A889A8FFBC707E9A88090ED5FBA0F485638CB AC547DE653E9D80D09E8795B68C70570547E49D611E08F9D47AEFC22AE8D81D8 863CAC593896D4B126CA806247C2954360BDAB96247050BE8C3D7E39C3C2D5B0 C74811B0AC00CB338A3F48F7A799F86C563DE5EDAF8BE8A62201068993157142 14FBDC466B240833E37029585311F49D8837BCC48A07CA56B505A9D42F14363C 3950AB9F768307C2B627FA8DE1263663C251706BFA2F23C5B85CEBC3AFA399FC 791D20F1B94C5DFD3E78665FE6846C8E213136E8CA5A24930DAE9EFEBD54616B B3EA08E5FB9346098F42F1593A5D5F1E3B73FE184F5CD674BE7F0C46171E0F83 268B3C231C9B552449FA882EAA67EFA52399A3867DFD17248CF5245052377726 0F4FFE155AE5838A4F883EA27DE00AECE89B984F185A795C34DD71F4F424F919 D7F32D48F2FBC9FBE41E631E6443397AA5E75B6AAC98619A9241A8D162DCBFD8 EB1056E8ED62A655A2D50FAA162EF86DA4DEA51ECB168193F1C34C558335D27E C393C6AA1B789A23BBC08781011B2FCB2A02A7C33632BB33D1D5FB72E5C9FE9B EDEA1FC4079638D7FD6FFD965CF01ADB026D4638CE0A0D20E47BA0D9AD72ED51 36A562AE955374E2A80809076AD250D7E8F59854A820BA342FB92151A4FCC2DF	a
6144 bit request	6144-bit group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	a
8192 bit request	8192-bit group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	a
curve25519-sha256@libssh.org	Generally considered secure	a
diffie-hellman-group1-sha1	SHA1 is broken. DH group1 is broken	f
kex-strict-s-v00@openssh.com		a

Message Authentication

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-sha2-512	Generally considered secure	a
hmac-sha2-256	Generally considered secure	a

Encryption

aes256-ctr	Generally considered secure	a
aes256-gcm@openssh.com	Generally considered secure	a
aes192-ctr	Generally considered secure	a
chacha20-poly1305@openssh.com	Possibly affected by Terrapin MITM	d

SSH Report for msebera.cz

Server Parameters

Host Keys

Key Exchange

Message Authentication

Encryption

SSH Configuration Statistics