#####################################################################
  testssl version 3.2.4 from https://testssl.sh/

  This program is free software. Distribution and modification under
  GPLv2 permitted. USAGE w/o ANY WARRANTY. USE IT AT YOUR OWN RISK!

  Please file bugs @ https://testssl.sh/bugs/
#####################################################################

  Using OpenSSL 3.6.5 (Sep 29 2026)  [~103 ciphers]
  on kali:/usr/bin/openssl

 Start 2026-11-04 09:05:46        -->> 34.79.5.199:31234 (shelly-101-eu.shelly.cloud) <<--

 rDNS (34.79.5.199):     --
 Service detected:       HTTP

 Testing protocols via sockets except NPN+ALPN 

 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      not offered
 TLS 1.1    not offered
 TLS 1.2    offered (OK)
 TLS 1.3    offered (OK): final
 NPN/SPDY   not offered
 ALPN/HTTP2 http/1.1 (offered)

 Testing cipher categories 

 NULL ciphers (no encryption)                      not offered (OK)
 Anonymous NULL Ciphers (no authentication)        not offered (OK)
 Export ciphers (w/o ADH+NULL)                     not offered (OK)
 LOW: 64 Bit + DES, RC[2,4], MD5 (w/o export)      not offered (OK)
 Triple DES Ciphers / IDEA                         not offered
 Obsoleted CBC ciphers (AES, ARIA etc.)            offered
 Strong encryption (AEAD ciphers) with no FS       offered (OK)
 Forward Secrecy strong encryption (AEAD ciphers)  offered (OK)


 Testing server's cipher preferences 

Hexcode  Cipher Suite Name (OpenSSL)       KeyExch.   Encryption  Bits     Cipher Suite Name (IANA/RFC)
-----------------------------------------------------------------------------------------------------------------------------
SSLv2
 - 
SSLv3
 - 
TLSv1
 - 
TLSv1.1
 - 
TLSv1.2 (server order)
 xc02f   ECDHE-RSA-AES128-GCM-SHA256       ECDH 253   AESGCM      128      TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256              
 xc030   ECDHE-RSA-AES256-GCM-SHA384       ECDH 253   AESGCM      256      TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384              
 xc027   ECDHE-RSA-AES128-SHA256           ECDH 253   AES         128      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256              
 xc028   ECDHE-RSA-AES256-SHA384           ECDH 253   AES         256      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384              
 xcca8   ECDHE-RSA-CHACHA20-POLY1305       ECDH 253   ChaCha20    256      TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256        
 xc061   ECDHE-ARIA256-GCM-SHA384          ECDH 253   ARIAGCM     256      TLS_ECDHE_RSA_WITH_ARIA_256_GCM_SHA384             
 xc060   ECDHE-ARIA128-GCM-SHA256          ECDH 253   ARIAGCM     128      TLS_ECDHE_RSA_WITH_ARIA_128_GCM_SHA256             
 xc014   ECDHE-RSA-AES256-SHA              ECDH 253   AES         256      TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA                 
 xc013   ECDHE-RSA-AES128-SHA              ECDH 253   AES         128      TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA                 
 x9d     AES256-GCM-SHA384                 RSA        AESGCM      256      TLS_RSA_WITH_AES_256_GCM_SHA384                    
 xc09d   AES256-CCM                        RSA        AESCCM      256      TLS_RSA_WITH_AES_256_CCM                           
 xc051   ARIA256-GCM-SHA384                RSA        ARIAGCM     256      TLS_RSA_WITH_ARIA_256_GCM_SHA384                   
 x9c     AES128-GCM-SHA256                 RSA        AESGCM      128      TLS_RSA_WITH_AES_128_GCM_SHA256                    
 xc09c   AES128-CCM                        RSA        AESCCM      128      TLS_RSA_WITH_AES_128_CCM                           
 xc050   ARIA128-GCM-SHA256                RSA        ARIAGCM     128      TLS_RSA_WITH_ARIA_128_GCM_SHA256                   
 x3d     AES256-SHA256                     RSA        AES         256      TLS_RSA_WITH_AES_256_CBC_SHA256                    
 x3c     AES128-SHA256                     RSA        AES         128      TLS_RSA_WITH_AES_128_CBC_SHA256                    
 x35     AES256-SHA                        RSA        AES         256      TLS_RSA_WITH_AES_256_CBC_SHA                       
 x2f     AES128-SHA                        RSA        AES         128      TLS_RSA_WITH_AES_128_CBC_SHA                       
TLSv1.3 (server order)
 x1302   TLS_AES_256_GCM_SHA384            ECDH/MLKEM AESGCM      256      TLS_AES_256_GCM_SHA384                             
 x1303   TLS_CHACHA20_POLY1305_SHA256      ECDH/MLKEM ChaCha20    256      TLS_CHACHA20_POLY1305_SHA256                       
 x1301   TLS_AES_128_GCM_SHA256            ECDH/MLKEM AESGCM      128      TLS_AES_128_GCM_SHA256                             

 Has server cipher order?     yes (OK) -- TLS 1.3 and below


 Testing robust forward secrecy (FS) -- omitting Null Authentication/Encryption, 3DES, RC4 

 FS is offered (OK)           TLS_AES_256_GCM_SHA384 TLS_CHACHA20_POLY1305_SHA256
                              ECDHE-RSA-AES256-GCM-SHA384 ECDHE-RSA-AES256-SHA384
                              ECDHE-RSA-AES256-SHA ECDHE-RSA-CHACHA20-POLY1305
                              ECDHE-ARIA256-GCM-SHA384 TLS_AES_128_GCM_SHA256
                              ECDHE-RSA-AES128-GCM-SHA256 ECDHE-RSA-AES128-SHA256
                              ECDHE-RSA-AES128-SHA ECDHE-ARIA128-GCM-SHA256 
 KEMs offered                 X25519MLKEM768 
 Elliptic curves offered:     prime256v1 secp384r1 secp521r1 X25519 X448 
 Finite field group:          ffdhe2048 ffdhe3072
 TLS 1.2 sig_algs offered:    RSA-PSS-RSAE+SHA256 RSA-PSS-RSAE+SHA384 RSA-PSS-RSAE+SHA512 
                              RSA+SHA256 RSA+SHA384 RSA+SHA512 RSA+SHA224 
 TLS 1.3 sig_algs offered:    RSA-PSS-RSAE+SHA256 RSA-PSS-RSAE+SHA384 RSA-PSS-RSAE+SHA512 

 Testing server defaults (Server Hello) 

 TLS extensions (standard)    "max fragment length/#1" "EC point formats/#11"
                              "application layer protocol negotiation/#16" "encrypt-then-mac/#22"
                              "extended master secret/#23" "session ticket/#35"
                              "supported versions/#43" "key share/#51" "renegotiation info/#65281"
 Session Ticket RFC 5077 hint 7200 seconds, session tickets keys seems to be rotated < daily
 SSL Session ID support       yes
 Session Resumption           Tickets: yes, ID: no
 TLS clock skew               Random values, no fingerprinting possible 
 Certificate Compression      none
 Client Authentication        none
 Signature Algorithm          SHA256 with RSA
 Server key size              RSA 2048 bits (exponent is 65537)
 Server key usage             Digital Signature, Key Encipherment
 Server extended key usage    TLS Web Server Authentication, TLS Web Client Authentication
 Serial                       393425BF88EBDD03492962D4E9723D5E (OK: length 16)
 Fingerprints                 SHA1 CF08E011A413D80E53E6C1C2D27B64B24A5FDCA7
                              SHA256 CB7138667CBB341FAFA36705A26ACA15193824619F51F926ED3C6D362C67D867
 Common Name (CN)             *.shelly.cloud 
 subjectAltName (SAN)         *.shelly.cloud shelly.cloud 
 Trust (hostname)             Ok via SAN wildcard and CN wildcard (same w/o SNI)
                              wildcard certificate could be problematic, see other hosts at
                              https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=CB7138667CBB341FAFA36705A26ACA15193824619F51F926ED3C6D362C67D867
 Chain of trust               Ok   
 EV cert (experimental)       no 
 Certificate Validity (UTC)   63 >= 60 days (2025-12-07 00:00 --> 2027-01-06 23:59)
 ETS/"eTLS", visibility info  not present
 Certificate Revocation List  --
 OCSP URI                     http://ocsp.sectigo.com
 OCSP stapling                not offered
 OCSP must staple extension   --
 DNS CAA RR (experimental)    not offered
 Certificate Transparency     yes (certificate extension)
 Certificates provided        4
 Issuer                       Sectigo Public Server Authentication CA DV R36 (Sectigo Limited from GB)
 Intermediate cert validity   #1: ok > 40 days (2036-03-21 23:59). Sectigo Public Server Authentication CA DV R36 <-- Sectigo Public Server Authentication Root R46
                              #2: ok > 40 days (2038-01-18 23:59). Sectigo Public Server Authentication Root R46 <-- USERTrust RSA Certification Authority
                              #3: ok > 40 days (2038-01-18 23:59). USERTrust RSA Certification Authority <-- USERTrust RSA Certification Authority
 Intermediate Bad OCSP (exp.) Ok


 Testing HTTP header response @ "/" 

 HTTP Status Code             404 Not Found (Hint: supply a path which doesn't give a "404 Not Found")
 HTTP clock skew              0 sec from localtime
 Strict Transport Security    not offered
 Public Key Pinning           --
 Server banner                (no "Server" line in header, interesting!)
 Application banner           --
 Cookie(s)                    (none issued at "/") -- HTTP status 404 signals you maybe missed the web application
 Security headers             Access-Control-Allow-Origin: *
 Reverse Proxy banner         --


 Testing vulnerabilities 

 Heartbleed (CVE-2014-0160)                not vulnerable (OK), no heartbeat extension
 CCS (CVE-2014-0224)                       not vulnerable (OK)
 Ticketbleed (CVE-2016-9244), experiment.  not vulnerable (OK)
 ROBOT                                     not vulnerable (OK)
 Secure Renegotiation (RFC 5746)           supported (OK)
 Secure Client-Initiated Renegotiation     not vulnerable (OK) -- mitigated (disconnect after 4/10 attempts)
 CRIME, TLS (CVE-2012-4929)                not vulnerable (OK)
 BREACH (CVE-2013-3587)                    no gzip/deflate/compress/br HTTP compression (OK)  - only supplied "/" tested
 POODLE, SSL (CVE-2014-3566)               not vulnerable (OK), no SSLv3 support
 TLS_FALLBACK_SCSV (RFC 7507)              No fallback possible (OK), no protocol below TLS 1.2 offered
 SWEET32 (CVE-2016-2183, CVE-2016-6329)    not vulnerable (OK)
 FREAK (CVE-2015-0204)                     not vulnerable (OK)
 DROWN (CVE-2016-0800, CVE-2016-0703)      not vulnerable on this host and port (OK)
                                           make sure you don't use this certificate elsewhere with SSLv2 enabled services, see
                                           https://search.censys.io/search?resource=hosts&virtual_hosts=INCLUDE&q=CB7138667CBB341FAFA36705A26ACA15193824619F51F926ED3C6D362C67D867
 LOGJAM (CVE-2015-4000), experimental      not vulnerable (OK): no DH EXPORT ciphers, no DH key detected with <= TLS 1.2
 BEAST (CVE-2011-3389)                     not vulnerable (OK), no SSL3 or TLS1
 LUCKY13 (CVE-2013-0169), experimental     potentially VULNERABLE, uses obsolete cipher block chaining ciphers with TLS, see server prefs.
 Winshock (CVE-2014-6321), experimental    not vulnerable (OK)
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Running client simulations (HTTP) via sockets 

 Browser                      Protocol  Cipher Suite Name (OpenSSL)       Forward Secrecy
------------------------------------------------------------------------------------------------
 Android 7.0 (native)         TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       256 bit ECDH (P-256)
 Android 8.1 (native)         TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       253 bit ECDH (X25519)
 Android 9.0 (native)         TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Android 10.0 (native)        TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Android 11/12 (native)       TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Android 13/14 (native)       TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Android 15 (native)          TLSv1.3   TLS_AES_256_GCM_SHA384            X25519MLKEM768
 Chrome 101 (Win 10)          TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Chromium 137 (Win 11)        TLSv1.3   TLS_AES_256_GCM_SHA384            X25519MLKEM768
 Firefox 100 (Win 10)         TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Firefox 137 (Win 11)         TLSv1.3   TLS_AES_256_GCM_SHA384            X25519MLKEM768
 IE 8 Win 7                   No connection
 IE 11 Win 7                  TLSv1.2   ECDHE-RSA-AES128-SHA256           256 bit ECDH (P-256)
 IE 11 Win 8.1                TLSv1.2   ECDHE-RSA-AES128-SHA256           256 bit ECDH (P-256)
 IE 11 Win Phone 8.1          TLSv1.2   ECDHE-RSA-AES128-SHA256           256 bit ECDH (P-256)
 IE 11 Win 10                 TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       256 bit ECDH (P-256)
 Edge 15 Win 10               TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       253 bit ECDH (X25519)
 Edge 101 Win 10 21H2         TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Edge 133 Win 11 23H2         TLSv1.3   TLS_AES_256_GCM_SHA384            X25519MLKEM768
 Safari 18.4 (iOS 18.4)       TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Safari 15.4 (macOS 12.3.1)   TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Safari 18.4 (macOS 15.4)     TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Java 7u25                    No connection
 Java 8u442 (OpenJDK)         TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Java 11.0.2 (OpenJDK)        TLSv1.3   TLS_AES_256_GCM_SHA384            256 bit ECDH (P-256)
 Java 17.0.3 (OpenJDK)        TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 Java 21.0.6 (OpenJDK)        TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 go 1.17.8                    TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 LibreSSL 3.3.6 (macOS)       TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 OpenSSL 1.0.2e               TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       256 bit ECDH (P-256)
 OpenSSL 1.1.1d (Debian)      TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 OpenSSL 3.0.15 (Debian)      TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)
 OpenSSL 3.5.0 (git)          TLSv1.3   TLS_AES_256_GCM_SHA384            X25519MLKEM768
 Apple Mail (16.0)            TLSv1.2   ECDHE-RSA-AES128-GCM-SHA256       256 bit ECDH (P-256)
 Thunderbird (91.9)           TLSv1.3   TLS_AES_256_GCM_SHA384            253 bit ECDH (X25519)


 Rating (experimental) 

 Rating specs (not complete)  SSL Labs's 'SSL Server Rating Guide' (version 2009r from 2025-05-16)
 Specification documentation  https://github.com/ssllabs/research/wiki/SSL-Server-Rating-Guide
 Protocol Support (weighted)  100 (30)
 Key Exchange     (weighted)  90 (27)
 Cipher Strength  (weighted)  90 (36)
 Final Score                  93
 Overall Grade                A+

 Done 2026-11-04 09:06:59 [  75s] -->> 34.79.5.199:31234 (shelly-101-eu.shelly.cloud) <<--