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Hlídač Open data ČTÚ Detailní analýza HTTPs pro Open data ČTÚ

Open data ČTÚ
http://data.ctu.cz/

Český telekomunikační úřad 125 datových sad veřejně dostupných


Zabezpečení komunikace

A
Certifikát expiruje za 44 dní.

Výsledek analýzy HTTPS na data.ctu.cz ze dne 30.06.2026

Všechno je v nejlepším pořádku a web se drží doporučených postupů.


Detailní analýza

Detailní report z HTTPs analýzy pomocí nástroje testssl.sh

server data.ctu.cz/185.178.175.96
pre_128cipher INFO {
No 128 cipher limit bug
}
SSLv2 OK {
not offered
}
SSLv3 OK {
not offered
}
TLS1 INFO {
not offered
}
TLS1_1 INFO {
not offered
}
TLS1_2 OK {
offered
}
TLS1_3 OK {
offered with final
}
NPN INFO {
not offered
}
ALPN_HTTP2 OK {
h2
}
ALPN INFO {
http/1.1
}
cipherlist_NULL
zranitelnosti: CWE-327
OK {
not offered
}
cipherlist_aNULL
zranitelnosti: CWE-327
OK {
not offered
}
cipherlist_EXPORT
zranitelnosti: CWE-327
OK {
not offered
}
cipherlist_LOW
zranitelnosti: CWE-327
OK {
not offered
}
cipherlist_3DES_IDEA
zranitelnosti: CWE-310
INFO {
not offered
}
cipherlist_AVERAGE
zranitelnosti: CWE-310
INFO {
not offered
}
cipherlist_GOOD INFO {
not offered
}
cipherlist_STRONG OK {
offered
}
cipher_order OK {
server
}
protocol_negotiated OK {
Default protocol TLS1.3
}
cipher_negotiated OK {
TLS_AES_256_GCM_SHA384, 253 bit ECDH (X25519)
}
cipher-tls1_2_xc030 OK {
TLSv1.2   xc030   ECDHE-RSA-AES256-GCM-SHA384       ECDH 253   AESGCM      256      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
}
cipher-tls1_2_xcca8 OK {
TLSv1.2   xcca8   ECDHE-RSA-CHACHA20-POLY1305       ECDH 253   ChaCha20    256      TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256
}
cipher-tls1_2_xc061 OK {
TLSv1.2   xc061   ECDHE-ARIA256-GCM-SHA384          ECDH 253   ARIAGCM     256      TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384
}
cipher-tls1_2_xc02f OK {
TLSv1.2   xc02f   ECDHE-RSA-AES128-GCM-SHA256       ECDH 253   AESGCM      128      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256
}
cipher-tls1_2_xc060 OK {
TLSv1.2   xc060   ECDHE-ARIA128-GCM-SHA256          ECDH 253   ARIAGCM     128      TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256
}
cipherorder_TLSv1_2 INFO {
ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-CHACHA20-POLY1305 ECDHE-ARIA256-GCM-SHA384 ECDHE-RSA-AES128-GCM-SHA256 ECDHE-ARIA128-GCM-SHA256
}
prioritize_chacha_TLSv1_2 INFO {
false
}
cipher-tls1_3_x1302 OK {
TLSv1.3   x1302   TLS_AES_256_GCM_SHA384            ECDH 253   AESGCM      256      TLS_AES_256_GCM_SHA384
}
cipher-tls1_3_x1303 OK {
TLSv1.3   x1303   TLS_CHACHA20_POLY1305_SHA256      ECDH 253   ChaCha20    256      TLS_CHACHA20_POLY1305_SHA256
}
cipher-tls1_3_x1301 OK {
TLSv1.3   x1301   TLS_AES_128_GCM_SHA256            ECDH 253   AESGCM      128      TLS_AES_128_GCM_SHA256
}
cipherorder_TLSv1_3 INFO {
TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 TLS_AES_128_GCM_SHA256
}
prioritize_chacha_TLSv1_3 INFO {
false
}
FS OK {
offered
}
FS_ciphers INFO {
TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-CHACHA20-POLY1305 ECDHE-ARIA256-GCM-SHA384 TLS_AES_128_GCM_SHA256 ECDHE-RSA-AES128-GCM-SHA256 ECDHE-ARIA128-GCM-SHA256
}
FS_ECDHE_curves OK {
prime256v1 secp384r1 secp521r1 X25519 X448
}
TLS_extensions INFO {
'renegotiation info/#65281' 'server name/#0' 'EC point formats/#11' 'session ticket/#35' 'supported versions/#43' 'key share/#51' 'supported_groups/#10' 'max fragment length/#1' 'application layer protocol negotiation/#16' 'extended master secret/#23'
}
TLS_session_ticket INFO {
valid for 300 seconds only (<daily)
}
SSL_sessionID_support INFO {
yes
}
sessionresumption_ticket INFO {
supported
}
sessionresumption_ID INFO {
supported
}
TLS_timestamp INFO {
random
}
certificate_compression INFO {
none
}
clientAuth INFO {
none
}
cert_numbers INFO {
1
}
cert_signatureAlgorithm OK {
SHA256 with RSA
}
cert_keySize INFO {
RSA 2048 bits (exponent is 65537)
}
cert_keyUsage INFO {
Digital Signature, Key Encipherment
}
cert_extKeyUsage INFO {
TLS Web Server Authentication
}
cert_serialNumber INFO {
066F209ACAB4CC95D4170ECC292DF3D2A4D2
}
cert_serialNumberLen INFO {
18
}
cert_fingerprintSHA1 INFO {
8FCE1D676CEBE11B974E4E6F415DA2B17469D21D
}
cert_fingerprintSHA256 INFO {
F3AC79FD63F5B6621B501881A8C2B37DBE342569CD093DFE63BF4D370FD283C6
}
cert INFO {
-----BEGIN CERTIFICATE----- MIIFEDCCA/igAwIBAgISBm8gmsq0zJXUFw7MKS3z0qTSMA0GCSqGSIb3DQEBCwUA MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD EwNSMTIwHhcNMjYwNTE3MDIwNDIwWhcNMjYwODE1MDIwNDE5WjAaMRgwFgYDVQQD Ew9kYXRhLmN0dS5nb3YuY3owggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIB AQCzkl8cNCEwFQa575ZHB/HdOXd4cnlBRRB9HekAefL0ck5Ppr+ON0Qwgx4Xt1Jt TeORCzQYen81UJSHQb+6hHHbUpa526bvL0CS3WCkf5du3tg5cK4KP9KMAssB9S+V E5QeveRwI+lkke3Sw6hc1XMJFgDcZwQssQiYM9D28L4GcpTp15hBveZPFMTKiDaJ qrUtCK7xIr8tKv+0bhVXdAZgIKCWTYuamNia4BnUJEt19fLH+FbHOg540xij4Ch3 gYTZ32zkuzxOx/Vv29PNQxG8pTcefidayoyiuziO01f9Q9iuAlUd2Oix1nFVmhNH QK9IzajfLS/Jhcbv9yjj+YTFAgMBAAGjggI1MIICMTAOBgNVHQ8BAf8EBAMCBaAw EwYDVR0lBAwwCgYIKwYBBQUHAwEwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUEI0+ eHxLEth532IBDnSG8Hu6jtYwHwYDVR0jBBgwFoAUALUp8i2ObzHom0yteD763OkM 0dIwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAChhdodHRwOi8vcjEyLmkubGVu Y3Iub3JnLzA0BgNVHREELTArggtkYXRhLmN0dS5jeoILZGF0YS5jdHUuZXWCD2Rh dGEuY3R1Lmdvdi5jejATBgNVHSAEDDAKMAgGBmeBDAECATAuBgNVHR8EJzAlMCOg IaAfhh1odHRwOi8vcjEyLmMubGVuY3Iub3JnLzgzLmNybDCCAQoGCisGAQQB1nkC BAIEgfsEgfgA9gB1AMIxfldFGaNF7n843rKQQevHwiFaIr9/1bWtdprZDlLNAAAB njPi7vYAAAQDAEYwRAIgeCk7gUljMo3reHEEnrC0ewMiuei/6amBRLF4gGSRAKIC IDhdlG8bP4vU9XhOaJLJUlutvwUlOYikHdXRAtYvUtU7AH0AbP5QGUOoXqkWvFLR M+TcyR7xQRx9JYQg0XOAnhgY6zoAAAGeM+LwDwAIAAAFAAvfm2IEAwBGMEQCIAye Ojn8CQXxPmAeugGOCYejzqZyYwk3Lr+2FNJI1ig6AiAFAva3x5TZuAaxv0l5uEOO 5hFNieAMs9iNQagTimtS0zANBgkqhkiG9w0BAQsFAAOCAQEAPOcZumiYVLcrVo99 v35Uuownrn0ZlfJtrFxBwVkzGVqqwhukwQNmVXAElkzc73tWVqSMLlEzwc/3vMct p6gCjJroQwUvv/3Fua6UdqWwhIq+p7NbLCzuJ47xyav2n4KZAx092QPgOqw8WXIp NMoJ6303E9JUOh7mmJ9Mk2C5dYOzdL9ocweo3u5ETkS9hkLktODvI8YWhUUn4qXL 1AWVHtpWvjUXt8lGNRnkTEa7IRSdPzdNL3IqgjTvDSc34spxCYJARPNSroj+oURn 1Mm7D7kSJ8xRHsjyioAPwhPs1or5JEnAAKpGve/tbHezQVZR88ms06iININ2Z7yB 7lmghw== -----END CERTIFICATE-----
}
cert_commonName OK {
data.ctu.gov.cz
}
cert_commonName_wo_SNI INFO {
voatt-ctu2.zcom.cz
}
cert_subjectAltName INFO {
data.ctu.cz data.ctu.eu data.ctu.gov.cz
}
cert_trust OK {
Ok via SAN (SNI mandatory)
}
cert_chain_of_trust OK {
passed.
}
cert_certificatePolicies_EV INFO {
no
}
cert_expirationStatus OK {
45 >= 30 days
}
cert_notBefore INFO {
2026-05-17 02:04
}
cert_notAfter OK {
2026-08-15 02:04
}
cert_extlifeSpan OK {
certificate has no extended life time according to browser forum
}
cert_eTLS INFO {
not present
}
cert_crlDistributionPoints INFO {
http://r12.c.lencr.org/83.crl
}
cert_ocspURL INFO {
--
}
OCSP_stapling INFO {
not offered
}
cert_mustStapleExtension INFO {
--
}
DNS_CAArecord LOW {
--
}
certificate_transparency OK {
yes (certificate extension)
}
certs_countServer INFO {
2
}
certs_list_ordering_problem INFO {
no
}
cert_caIssuers INFO {
R12 (Let's Encrypt from US)
}
intermediate_cert <#1> INFO {
-----BEGIN CERTIFICATE----- MIIFBjCCAu6gAwIBAgIRAMISMktwqbSRcdxA9+KFJjwwDQYJKoZIhvcNAQELBQAw TzELMAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2Vh cmNoIEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDEwHhcNMjQwMzEzMDAwMDAw WhcNMjcwMzEyMjM1OTU5WjAzMQswCQYDVQQGEwJVUzEWMBQGA1UEChMNTGV0J3Mg RW5jcnlwdDEMMAoGA1UEAxMDUjEyMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB CgKCAQEA2pgodK2+lP474B7i5Ut1qywSf+2nAzJ+Npfs6DGPpRONC5kuHs0BUT1M 5ShuCVUxqqUiXXL0LQfCTUA83wEjuXg39RplMjTmhnGdBO+ECFu9AhqZ66YBAJpz kG2Pogeg0JfT2kVhgTU9FPnEwF9q3AuWGrCf4yrqvSrWmMebcas7dA8827JgvlpL Thjp2ypzXIlhZZ7+7Tymy05v5J75AEaz/xlNKmOzjmbGGIVwx1Blbzt05UiDDwhY XS0jnV6j/ujbAKHS9OMZTfLuevYnnuXNnC2i8n+cF63vEzc50bTILEHWhsDp7CH4 WRt/uTp8n1wBnWIEwii9Cq08yhDsGwIDAQABo4H4MIH1MA4GA1UdDwEB/wQEAwIB hjAdBgNVHSUEFjAUBggrBgEFBQcDAgYIKwYBBQUHAwEwEgYDVR0TAQH/BAgwBgEB /wIBADAdBgNVHQ4EFgQUALUp8i2ObzHom0yteD763OkM0dIwHwYDVR0jBBgwFoAU ebRZ5nu25eQBc4AIiMgaWPbpm24wMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzAC hhZodHRwOi8veDEuaS5sZW5jci5vcmcvMBMGA1UdIAQMMAowCAYGZ4EMAQIBMCcG A1UdHwQgMB4wHKAaoBiGFmh0dHA6Ly94MS5jLmxlbmNyLm9yZy8wDQYJKoZIhvcN AQELBQADggIBAI910AnPanZIZTKS3rVEyIV29BWEjAK/duuz8eL5boSoVpHhkkv3 4eoAeEiPdZLj5EZ7G2ArIK+gzhTlRQ1q4FKGpPPaFBSpqV/xbUb5UlAXQOnkHn3m FVj+qYv87/WeY+Bm4sN3Ox8BhyaU7UAQ3LeZ7N1X01xxQe4wIAAE3JVLUCiHmZL+ qoCUtgYIFPgcg350QMUIWgxPXNGEncT921ne7nluI02V8pLUmClqXOsCwULw+PVO ZCB7qOMxxMBoCUeL2Ll4oMpOSr5pJCpLN3tRA2s6P1KLs9TSrVhOk+7LX28NMUlI usQ/nxLJID0RhAeFtPjyOCOscQBA53+NRjSCak7P4A5jX7ppmkcJECL+S0i3kXVU y5Me5BbrU8973jZNv/ax6+ZK6TM8jWmimL6of6OrX7ZU6E2WqazzsFrLG3o2kySb zlhSgJ81Cl4tv3SbYiYXnJExKQvzf83DYotox3f0fwv7xln1A2ZLplCb0O+l/AK0 YE0DS2FPxSAHi0iwMfW2nNHJrXcY3LLHD77gRgje4Eveubi2xxa+Nmk/hmhLdIET iVDFanoCrMVIpQ59XWHkzdFmoHXHBV7oibVjGSO7ULSQ7MJ1Nz51phuDJSgAIU7A 0zrLnOrAj/dfrlEWRhCvAgbuwLZX1A2sjNjXoPOHbsPiy+lO1KF8/XY7 -----END CERTIFICATE-----
}
intermediate_cert_fingerprintSHA256 <#1> INFO {
131FCE7784016899A5A00203A9EFC80F18EBBD75580717EDC1553580930836EC
}
intermediate_cert_notBefore <#1> INFO {
2024-03-13 00:00
}
intermediate_cert_notAfter <#1> OK {
2027-03-12 23:59
}
intermediate_cert_expiration <#1> OK {
ok > 40 days
}
intermediate_cert_chain <#1> INFO {
R12 <-- ISRG Root X1
}
intermediate_cert_badOCSP OK {
intermediate certificate(s) is/are ok
}
HTTP_status_code INFO {
301 Moved Permanently ('/')
}
HTTP_clock_skew INFO {
0 seconds from localtime
}
HTTP_headerTime INFO {
1782850080
}
HSTS LOW {
not offered
}
HPKP INFO {
No support for HTTP Public Key Pinning
}
banner_server INFO {
Apache
}
banner_application INFO {
No application banner found
}
cookie_count INFO {
0 at '/' (30x detected, better try target URL of 30x)
}
X-Content-Type-Options OK {
nosniff
}
Cache-Control INFO {
max-age=1209600
}
banner_reverseproxy
zranitelnosti: CWE-200
INFO {
--
}
heartbleed
zranitelnosti: CVE-2014-0160 CWE-119
OK {
not vulnerable, no heartbeat extension
}
CCS
zranitelnosti: CVE-2014-0224 CWE-310
OK {
not vulnerable
}
ticketbleed
zranitelnosti: CVE-2016-9244 CWE-200
OK {
not vulnerable
}
ROBOT OK {
not vulnerable, no RSA key transport cipher
}
secure_renego
zranitelnosti: CWE-310
OK {
supported
}
secure_client_renego
zranitelnosti: CVE-2011-1473 CWE-310
OK {
not vulnerable
}
CRIME_TLS
zranitelnosti: CVE-2012-4929 CWE-310
OK {
not vulnerable
}
BREACH
zranitelnosti: CVE-2013-3587 CWE-310
OK {
not vulnerable, no gzip/deflate/compress/br HTTP compression  - only supplied '/' tested
}
POODLE_SSL
zranitelnosti: CVE-2014-3566 CWE-310
OK {
not vulnerable, no SSLv3
}
fallback_SCSV OK {
no protocol below TLS 1.2 offered
}
SWEET32 OK {
not vulnerable
}
FREAK
zranitelnosti: CVE-2015-0204 CWE-310
OK {
not vulnerable
}
DROWN OK {
not vulnerable on this host and port
}
DROWN_hint INFO {
Make sure you don't use this certificate elsewhere with SSLv2 enabled services, see https://censys.io/ipv4?q=F3AC79FD63F5B6621B501881A8C2B37DBE342569CD093DFE63BF4D370FD283C6
}
LOGJAM
zranitelnosti: CVE-2015-4000 CWE-310
OK {
not vulnerable, no DH EXPORT ciphers,
}
LOGJAM-common_primes
zranitelnosti: CVE-2015-4000 CWE-310
OK {
no DH key with <= TLS 1.2
}
BEAST
zranitelnosti: CVE-2011-3389 CWE-20
OK {
not vulnerable, no SSL3 or TLS1
}
LUCKY13
zranitelnosti: CVE-2013-0169 CWE-310
OK {
not vulnerable
}
winshock
zranitelnosti: CVE-2014-6321 CWE-94
OK {
not vulnerable
}
RC4 OK {
not vulnerable
}
clientsimulation-android_442 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-android_500 INFO {
TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256
}
clientsimulation-android_60 INFO {
TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256
}
clientsimulation-android_70 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-android_81 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-android_90 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-android_X INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-chrome_74_win10 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-chrome_79_win10 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-firefox_66_win81 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-firefox_71_win10 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-ie_6_xp INFO {
No connection
}
clientsimulation-ie_8_win7 INFO {
No connection
}
clientsimulation-ie_8_xp INFO {
No connection
}
clientsimulation-ie_11_win7 INFO {
No connection
}
clientsimulation-ie_11_win81 INFO {
No connection
}
clientsimulation-ie_11_winphone81 INFO {
No connection
}
clientsimulation-ie_11_win10 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-edge_15_win10 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-edge_17_win10 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-opera_66_win10 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-safari_9_ios9 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-safari_9_osx1011 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-safari_10_osx1012 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-safari_121_ios_122 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-safari_130_osx_10146 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-apple_ats_9_ios9 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-java_6u45 INFO {
No connection
}
clientsimulation-java_7u25 INFO {
No connection
}
clientsimulation-java_8u161 INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-java1102 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-java1201 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-openssl_102e INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-openssl_110l INFO {
TLSv1.2 ECDHE-RSA-AES256-GCM-SHA384
}
clientsimulation-openssl_111d INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-thunderbird_68_3_1 INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
rating_spec INFO {
SSL Labs's 'SSL Server Rating Guide' (version 2009q from 2020-01-30)
}
rating_doc INFO {
https://github.com/ssllabs/research/wiki/SSL-Server-Rating-Guide
}
protocol_support_score INFO {
100
}
protocol_support_score_weighted INFO {
30
}
key_exchange_score INFO {
90
}
key_exchange_score_weighted INFO {
27
}
cipher_strength_score INFO {
90
}
cipher_strength_score_weighted INFO {
36
}
final_score INFO {
93
}
overall_grade OK {
A
}
grade_cap_reason_1 INFO {
Grade capped to A. HSTS is not offered
}
scanTime INFO {
150
}