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Hlídač Web NÚKIB Detailní analýza HTTPs pro Web NÚKIB

Web NÚKIB
https://portal.nukib.gov.cz

Národní úřad pro kybernetickou a informační bezpečnost Národní úřad pro kybernetickou a informační bezpečnost


Zabezpečení komunikace

T
Certifikát expiruje za 19 dní.

Výsledek analýzy HTTPS na portal.nukib.gov.cz ze dne 05.08.2026

Služba je chráněna certifikátem od certifikační autority, kterou hlavní prohlížeče neznají nebo jí nedůvěřují. V českých podmínkách to znamená nejspíše certifikáty vydané našimi vnitrostátními autoritami (ICA, PostSignum a eIdentity), které sice stát zákonem prohlásil za důvěryhodné, ale které nesplňují mezinárodní podmínky nutné proto, aby je za důvěryhodné pokládali i autoři prohlížečů.


Detailní analýza

Detailní report z HTTPs analýzy pomocí nástroje testssl.sh

server portal.nukib.gov.cz/185.48.23.26
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 -- TLS 1.3 client determined
}
protocol_negotiated OK {
Default protocol TLS1.3
}
cipher_negotiated OK {
TLS_AES_256_GCM_SHA384, 253 bit ECDH (X25519)
}
cipher-tls1_2_xc02c OK {
TLSv1.2   xc02c   ECDHE-ECDSA-AES256-GCM-SHA384     ECDH 253   AESGCM      256      TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384
}
cipher-tls1_2_xcca9 OK {
TLSv1.2   xcca9   ECDHE-ECDSA-CHACHA20-POLY1305     ECDH 253   ChaCha20    256      TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256
}
cipher-tls1_2_xc02b OK {
TLSv1.2   xc02b   ECDHE-ECDSA-AES128-GCM-SHA256     ECDH 253   AESGCM      128      TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256
}
cipherorder_TLSv1_2 INFO {
ECDHE-ECDSA-AES256-GCM-SHA384 ECDHE-ECDSA-CHACHA20-POLY1305 ECDHE-ECDSA-AES128-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
}
supportedciphers_TLSv1_3 INFO {
TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 TLS_AES_128_GCM_SHA256
}
FS OK {
offered
}
FS_ciphers INFO {
TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256 ECDHE-ECDSA-AES256-GCM-SHA384 ECDHE-ECDSA-CHACHA20-POLY1305 TLS_AES_128_GCM_SHA256 ECDHE-ECDSA-AES128-GCM-SHA256
}
FS_ECDHE_curves OK {
prime256v1 secp384r1 X25519
}
TLS_extensions INFO {
'server name/#0' 'renegotiation info/#65281' 'EC point formats/#11' 'key share/#51' 'supported versions/#43' 'extended master secret/#23' 'application layer protocol negotiation/#16'
}
TLS_session_ticket INFO {
no -- no lifetime advertised
}
SSL_sessionID_support INFO {
yes
}
sessionresumption_ticket INFO {
not supported
}
sessionresumption_ID INFO {
supported
}
TLS_timestamp INFO {
off by -3 seconds from your localtime
}
certificate_compression INFO {
none
}
clientAuth INFO {
none
}
cert_numbers INFO {
1
}
cert_signatureAlgorithm OK {
ECDSA with SHA384
}
cert_keySize OK {
EC 384 bits (curve P-384)
}
cert_keyUsage INFO {
Digital Signature
}
cert_extKeyUsage INFO {
TLS Web Server Authentication
}
cert_serialNumber INFO {
0516D714DD015FAC479E74D9020549C8614F
}
cert_serialNumberLen INFO {
18
}
cert_fingerprintSHA1 INFO {
FAAAA1CE5DE1D5291F0340A068D6C6E0A86A14F6
}
cert_fingerprintSHA256 INFO {
8D2228E0BBA37FA5E9B94120CC77ECD83FEB2245C72ACDBD15ED71AE983057B3
}
cert INFO {
-----BEGIN CERTIFICATE----- MIIDdjCCAv2gAwIBAgISBRbXFN0BX6xHnnTZAgVJyGFPMAoGCCqGSM49BAMDMDMx CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQDEwNZ RTIwHhcNMjYwNzExMDYzMTIwWhcNMjYwODI1MDYzMTE5WjAAMHYwEAYHKoZIzj0C AQYFK4EEACIDYgAEgdunpPPVSwqMb8RIl6T4kNTcjjj2d5+kTCzlPH5pzhXe7kPZ IaloOClMQpoHtAduxKWELN6TICTRrW5jbWVtfP0kieHbiXwt55fYVABZ+Kndxrsl noX+MiwxFF1Z653eo4ICBTCCAgEwDgYDVR0PAQH/BAQDAgeAMBMGA1UdJQQMMAoG CCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHwYDVR0jBBgwFoAUuVnyjs8i8IbTN0j/ dhQYuoLYVYcwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAChhdodHRwOi8veWUy LmkubGVuY3Iub3JnLzAhBgNVHREBAf8EFzAVghNwb3J0YWwubnVraWIuZ292LmN6 MBMGA1UdIAQMMAowCAYGZ4EMAQIBMC4GA1UdHwQnMCUwI6AhoB+GHWh0dHA6Ly95 ZTIuYy5sZW5jci5vcmcvODAuY3JsMIIBDAYKKwYBBAHWeQIEAgSB/QSB+gD4AHYA wjF+V0UZo0XufzjespBB68fCIVoiv3/Vta12mtkOUs0AAAGfUBUiKwAABAMARzBF AiAgkOkGRbO33ThH5PuPEKkPQbBbjvNPsViFYK/EAdz64gIhAMlKrijIbc8JMnDF +wEeazFO6CDpFPJcUbr5hJvUcGdJAH4AbP5QGUOoXqkWvFLRM+TcyR7xQRx9JYQg 0XOAnhgY6zoAAAGfUBUjGwAIAAAFABSrtIQEAwBHMEUCIBcDaZOehIBDadwub2WE 6To2wUTOcZ64ij/LII9cwxuwAiEA6ziynciqltpKCz+Z1hY3G6eMEnx7tYF/vKYM xxO0oQ4wCgYIKoZIzj0EAwMDZwAwZAIwBKkXOEaqqG5cPbJjg8D6zD18mbDg0SRb RJmb8MFS7TmPP6CkhcMHYousNT7MomSZAjAzQHSdBMW2fUzya9ta55cv/J36lVHG swTK+lqztzdw+QnEFA1VSH4Fol3prRuBd7Y= -----END CERTIFICATE-----
}
cert_commonName INFO {
no CN field in subject
}
cert_commonName_wo_SNI INFO {
request w/o SNI didn't succeed, usual for EC certificates
}
cert_subjectAltName INFO {
portal.nukib.gov.cz
}
cert_trust OK {
Ok via SAN (SNI mandatory)
}
cert_chain_of_trust CRITICAL {
failed (chain incomplete).
}
cert_certificatePolicies_EV INFO {
no
}
cert_expirationStatus MEDIUM {
expires < 30 days (19)
}
cert_notBefore INFO {
2026-07-11 06:31
}
cert_notAfter MEDIUM {
2026-08-25 06:31
}
cert_extlifeSpan OK {
certificate has no extended life time according to browser forum
}
cert_eTLS INFO {
not present
}
cert_crlDistributionPoints INFO {
http://ye2.c.lencr.org/80.crl
}
cert_ocspURL INFO {
--
}
OCSP_stapling INFO {
not offered
}
cert_mustStapleExtension INFO {
--
}
DNS_CAArecord OK {
issue=letsencrypt.org
}
certificate_transparency OK {
yes (certificate extension)
}
certs_countServer INFO {
3
}
certs_list_ordering_problem INFO {
no
}
cert_caIssuers INFO {
YE2 (Let's Encrypt from US)
}
intermediate_cert <#1> INFO {
-----BEGIN CERTIFICATE----- MIICjDCCAhGgAwIBAgIQTfOxXdbAeExQfNN7WObxFTAKBggqhkjOPQQDAzAuMQsw CQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4GA1UEAxMHUm9vdCBZRTAeFw0y NTA5MDMwMDAwMDBaFw0yODA5MDIyMzU5NTlaMDMxCzAJBgNVBAYTAlVTMRYwFAYD VQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQDEwNZRTIwdjAQBgcqhkjOPQIBBgUr gQQAIgNiAARxmrQzkdbEEL3MqXt3dJQttYc47axkdDTHud5TPqM2z5uSD5cmk0Wr HlWXvnlvqBLqiB34kluxIbmMyAiq3/YD6e80/vV259K8XQIdjFXloYOa0mIU71f7 HQ09PvYDlw+jge4wgeswDgYDVR0PAQH/BAQDAgGGMBMGA1UdJQQMMAoGCCsGAQUF BwMBMBIGA1UdEwEB/wQIMAYBAf8CAQAwHQYDVR0OBBYEFLlZ8o7PIvCG0zdI/3YU GLqC2FWHMB8GA1UdIwQYMBaAFKPIJlqOoUzQNWP8myPIOq5W809WMDIGCCsGAQUF BwEBBCYwJDAiBggrBgEFBQcwAoYWaHR0cDovL3llLmkubGVuY3Iub3JnLzATBgNV HSAEDDAKMAgGBmeBDAECATAnBgNVHR8EIDAeMBygGqAYhhZodHRwOi8veWUuYy5s ZW5jci5vcmcvMAoGCCqGSM49BAMDA2kAMGYCMQDIcnw5dcZLN9ffynXnnkLD/itS JEycJPb3sRkzeqBowup7vOsAwaqoCnNn/jh9wycCMQCJM6CPlaOC4pQYYbJtVPYb DKrIb2EKk5NpOpE6/XttQYZV/3gilB9l+Cc/DOVwmyg= -----END CERTIFICATE-----
}
intermediate_cert_fingerprintSHA256 <#1> INFO {
97658DE8C68DFA98ACE1E5028A63D54A1AAE911B3E21471076C6850CD08CBAB4
}
intermediate_cert_notBefore <#1> INFO {
2025-09-03 00:00
}
intermediate_cert_notAfter <#1> OK {
2028-09-02 23:59
}
intermediate_cert_expiration <#1> OK {
ok > 40 days
}
intermediate_cert_chain <#1> INFO {
YE2 <-- Root YE
}
intermediate_cert <#2> INFO {
-----BEGIN CERTIFICATE----- MIICpjCCAiugAwIBAgIRAIchZfw0tuX7qK3Vs3BftTowCgYIKoZIzj0EAwMwTzEL MAkGA1UEBhMCVVMxKTAnBgNVBAoTIEludGVybmV0IFNlY3VyaXR5IFJlc2VhcmNo IEdyb3VwMRUwEwYDVQQDEwxJU1JHIFJvb3QgWDIwHhcNMjYwNTEzMDAwMDAwWhcN MzIwOTAyMjM1OTU5WjAuMQswCQYDVQQGEwJVUzENMAsGA1UEChMESVNSRzEQMA4G A1UEAxMHUm9vdCBZRTB2MBAGByqGSM49AgEGBSuBBAAiA2IABDwS/6vhrcVqcbBo +wgdI3fwn9x7DNJJOY/lTOti0vkwuRN87RhEhTH17E7XyFjWsPYhIPt/wzOqxTd2 b+4ZJNy9ID04YywF9U5zasDVyGSNErVNtz8uSGh5izW87j77GaOB6zCB6DAOBgNV HQ8BAf8EBAMCAQYwEwYDVR0lBAwwCgYIKwYBBQUHAwEwDwYDVR0TAQH/BAUwAwEB /zAdBgNVHQ4EFgQUo8gmWo6hTNA1Y/ybI8g6rlbzT1YwHwYDVR0jBBgwFoAUfEKW rt5LSDv6kviejM9ti6lyN5UwMgYIKwYBBQUHAQEEJjAkMCIGCCsGAQUFBzAChhZo dHRwOi8veDIuaS5sZW5jci5vcmcvMBMGA1UdIAQMMAowCAYGZ4EMAQIBMCcGA1Ud HwQgMB4wHKAaoBiGFmh0dHA6Ly94Mi5jLmxlbmNyLm9yZy8wCgYIKoZIzj0EAwMD aQAwZgIxAMU19WCtmxVND8UHBZRoma49Z7jPs64Dma0eTu1OChVbB/2J7GV3nvYK Ax54uk1G9QIxAO0miLVJu8PLNiXXXkiE/gsK3CTRTF/aeo4bMX42Zw40csRU6AC2 6hSW1/IWaas6dg== -----END CERTIFICATE-----
}
intermediate_cert_fingerprintSHA256 <#2> INFO {
0FC0901CCA2BAE9E9FDBB02D50D02F1094F7B36672086991B9E897626DC485F0
}
intermediate_cert_notBefore <#2> INFO {
2026-05-13 00:00
}
intermediate_cert_notAfter <#2> OK {
2032-09-02 23:59
}
intermediate_cert_expiration <#2> OK {
ok > 40 days
}
intermediate_cert_chain <#2> INFO {
Root YE <-- ISRG Root X2
}
intermediate_cert_badOCSP OK {
intermediate certificate(s) is/are ok
}
HTTP_status_code INFO {
200 OK ('/')
}
HTTP_clock_skew INFO {
0 seconds from localtime
}
HTTP_headerTime INFO {
1785960490
}
HSTS_time OK {
365 days (=31536000 seconds) > 15552000 seconds
}
HSTS_subdomains OK {
includes subdomains
}
HSTS_preload INFO {
domain is NOT marked for preloading
}
HPKP INFO {
No support for HTTP Public Key Pinning
}
banner_server INFO {
No Server banner line in header, interesting!
}
banner_application INFO {
No application banner found
}
cookie_count INFO {
1 at '/'
}
cookie_secure OK {
All (1) at '/' marked as secure
}
cookie_httponly INFO {
1/1 at '/' marked as HttpOnly
}
X-Content-Type-Options OK {
nosniff
}
Content-Security-Policy OK {
default-src 'self'; style-src 'self' 'unsafe-inline'; frame-ancestors 'none'; form-action 'self' https://sso.nukib.gov.cz; frame-src https://www.youtube-nocookie.com; base-uri 'self'
}
Permissions-Policy OK {
geolocation=(), camera=(), microphone=(), usb=(), payment=(), accelerometer=(), gyroscope=(), magnetometer=(), clipboard-read=(), clipboard-write=(self), fullscreen=(*)
}
Referrer-Policy INFO {
strict-origin-when-cross-origin
}
Cache-Control INFO {
no-store
}
banner_reverseproxy
zranitelnosti: CWE-200
INFO {
X-Cache-Status: MISS
}
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 {
no session ticket extension
}
ROBOT OK {
not vulnerable, no RSA key transport cipher
}
secure_renego
zranitelnosti: CWE-310
WARN {
OpenSSL handshake didn't succeed
}
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
MEDIUM {
potentially VULNERABLE, br gzip HTTP compression detected  - 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 {
no RSA certificate, can't be used with SSLv2 elsewhere
}
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-ECDSA-AES256-GCM-SHA384
}
clientsimulation-android_500 INFO {
TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256
}
clientsimulation-android_60 INFO {
TLSv1.2 ECDHE-ECDSA-AES128-GCM-SHA256
}
clientsimulation-android_70 INFO {
No connection
}
clientsimulation-android_81 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-android_90 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-android_X INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-chrome_74_win10 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-chrome_79_win10 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-firefox_66_win81 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-firefox_71_win10 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
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 {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-ie_11_win81 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-ie_11_winphone81 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-ie_11_win10 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-edge_15_win10 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-edge_17_win10 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-opera_66_win10 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-safari_9_ios9 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-safari_9_osx1011 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-safari_10_osx1012 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-safari_121_ios_122 INFO {
TLSv1.3 TLS_CHACHA20_POLY1305_SHA256
}
clientsimulation-safari_130_osx_10146 INFO {
TLSv1.3 TLS_CHACHA20_POLY1305_SHA256
}
clientsimulation-apple_ats_9_ios9 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-java_6u45 INFO {
No connection
}
clientsimulation-java_7u25 INFO {
No connection
}
clientsimulation-java_8u161 INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-java1102 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-java1201 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
clientsimulation-openssl_102e INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-openssl_110l INFO {
TLSv1.2 ECDHE-ECDSA-AES256-GCM-SHA384
}
clientsimulation-openssl_111d INFO {
TLSv1.3 TLS_AES_256_GCM_SHA384
}
clientsimulation-thunderbird_68_3_1 INFO {
TLSv1.3 TLS_AES_128_GCM_SHA256
}
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 {
0
}
protocol_support_score_weighted INFO {
0
}
key_exchange_score INFO {
0
}
key_exchange_score_weighted INFO {
0
}
cipher_strength_score INFO {
0
}
cipher_strength_score_weighted INFO {
0
}
final_score INFO {
0
}
overall_grade CRITICAL {
T
}
grade_cap_reason_1 INFO {
Grade capped to T. Issues with the chain of trust (chain incomplete)
}
scanTime INFO {
81
}