Report for msebera.cz

{
  "gex": {
    "1024": "EOF",
    "2048": {
      "g": 2,
      "p": 28918173236131694399560733404690583270441510502437890067263745041452466206051601416262214640041414056997343400744608822989440563354298833204318820524316993923012824673862882889753205718923367507820541241961463149985127266872808774931013727398563767306104731753694371198625435860921837370216738338959146757171073349688202704541053145700841609709717556692682745075023384623487652092742435203460057526191524156799083406989509623768988103052773763339723960393859189240510683942420529009858222854774376130351870968696272942773493599012395138482589691504420160241181044878292565899612018280946005300429755955632272928055723
    },
    "3072": {
      "g": 2,
      "p": 5009395345492601776958732050023857654649668156215645612408275642383398456371633335163375544066210409241803831560000065118858718101439108455260802918506764967533432204732844542280852700971959835939878243265720211589099236948184631031458523565482789497750885599167308803355593205931338925939995097124459314071990153849673506137950607483697122002777618495742889266469489979074611174582437772291091055263863209616924957517593502913781846938985281638833651263779259077260301337099028234201375548513163937569707227075381466942797228166343895571355448433434921962393294861332105673632837663300868421742910193247503834583055466786133732213861428964521140918104234019603198552560844262137535115571998496467182610842537763534885302490829962184344177657871861104774713010532448135077742407595570062250315145136503644810263495279625795734418807271106546871482879880766942665518445451497744127670350651837416075887758017101909197873522163
    },
    "4096": {
      "g": 2,
      "p": 905668588257138461502444383173469830441764137826432624658390582112743371338987182721991496155561363723932596419569592440899004154378348928678342061987052853572663246994895141721493479160503339408839516832359777895531216354123191737393789439450079214945121833438498373666950166799461630634102563811828444435480327582711313237518729509662701026542044852263284278446985785763343076261582251826018143733485312637020759707263044381051021145778117110416792521442121797032145917021144123389578319779786453431959546034567065245958845132400720972464323355602563428614902808947134839990179433468319344696857468761955363983710940346959005067157195151549299684588259397099453208362550838396423248038744080613104024952813141401979690631469743564105153385223804966185736167843259516117672919802526525993825075790584206469586393389301768957288809459784105613855815204612604417084336412720932111681430217103437372296088094800986953443835288223348009706103801928518685267269083316742713633188168198838213618492214842753325406699448676872511486147495222228885197807511010159342446193503102150762479354942034256130863328595532054744976662789864674913514530148069134433999110926851823465959555160852306906293202885516188268989213022355138378206195883843
    },
    "6144": {
      "g": 5,
      "p": 32684863935739042993282041081208397858732619410285057635061044759053180585882023363511929716236033191733208559920619148313793238323321173038416942749240202269514054959824825894747146189455672534426219593321079651415709695524154691124522240873358194997865674358384541562603412366896780361500687768153231354583710117615145243668088745599132548617103077535646158824950961686149471989775033206169223719536465728687083500677916316341042867477965342197887579171197120859585659542964421521888089205452251479003001083515321047796053017943213755173067309111402035266698450959909243894317051156587484805379850391117036492095495198429875921907739783807687031475746197516161899866953235379376084315853212781369934032916167523866321907526658276804080824558143011391285213109379040148654974935331691032663663722156649786665123302185091694849563726971908184795889175853522558577891184315328582897242733553288749684447092267485971875915253324295759543144539560731461747590263188925221554868126090533791177702149468554307055624449930792968111751985711417861500126451857441222904270264290608366515337358281459138048118696133894853077749756774512153245124264574146839250863336693934310679039927884589054946022462662435693853402218263189106295933232781004029675408558861192763549297168998653918062556428817982565149669539115580735163715750539556546514816037108014353580093246078335016936728290461609440535322560859524090615183740507289565228422640379610477125317504724510637374802254606287934257265119476392313352176131075906176176112226445371439452158387624591139982772569905652981445351455065357684188931526912513831022757515655004428486132780132419852235469348014273603025491686210503077630480818620767643429474493736752520787540200949597255352791136594113482649528179955164403089331584191408192192516999849959079844875172930871812481579327813927073468567508246258463
    },
    "768": "EOF",
    "8192": {
      "g": 2,
      "p": 1081477650356716966468008028122691327639768646685083430442838580506340108060892884099300338347512083383614043392750233082062548589138474528187586363292515329102462290440879124599626474520772152813157536828735805334100860420379362069652531208783236969599507004048662654514434177393073103698536304249849194496689374183814406907054657931401914833752976582061850480901111932774585358732930247854090405411744931660439218063915665628334535090621730300177550650567742692359939605592366974540160706991739268274311227219592578284934079280867448059953016852589939206536913570416519508416937879827612201972654952167595634627921901091012641257476365467147887431022217892028142009323827499765191702741330858774898034590927108310680395055470805871534225348049834066257054519479738149538999058577708391175511104063211532843512090291444619672052390668655146002588382078467684037496336190246653230236610745359512344548838118980141181444907819118210812941482791530918724162031294829296568251559762548132878296317699938441090823602680375086491122684740498974477784498229736444839215308060240991589431186507525396520700462762739052067847056098920130343138944211046847688942588408926776702272126578126553069209345643101992243511736317023870922816199566147292504477751420215621270484115422457578129480096485138391496172951297594411732620189203084462066566048971845791157031501625622665691244387203816234486791524487785972330746190031764324009527565135289043404737548532138796829450870833146127926309448713719412597054105969750368770716457637286875567901619813720740884964202448133835480419499465220917444151224301359928683835427565975294031516250866505250107619040834985620259862727776272211732329765645130074999711385903103861969840782274063556560346652694310742066750205640223115038833493684501131498997138202936428675658104664584348367078386998966926653973088025167733803847576769455025273760340197720764371633965939884825778354444630201034875590526907711937882339077624865583798796365068932660925355630567449639033164652339089365621219968611912133962137347030186689575551847240536650476802459367533059779693148647340490567112789847881456357748276172830709779850146592954758114493763673019593055961891849886050600255181688895853354088982763889245207401140471864660518766290973137684883640577186362414105443151456415955796707695265291961328158809326718348265916293552534653229296440289403680347413971795605558941173760205422729422766735498446214826117327641855541376054622706604018888819
    }
  },
  "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",
      "n": 23284022051748675339955571024507585233098002640948159196111733524196989820996
    }
  },
  "ident": "SSH-2.0-OpenSSH_8.4p1 Debian-2~bpo10+1",
  "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"
    ],
    "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-2~bpo10+1
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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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
curve25519-sha256@libssh.org	Generally considered secure	a
diffie-hellman-group1-sha1	SHA1 is broken. DH group1 is broken	f

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