🐧 Как проверить шифрование TLS / SSL в любом месте на любом порту |

🐧 Как проверить шифрование TLS / SSL в любом месте на любом порту

Мануал

Установим Git.

$ apt install git
Склонируем репозиторий testsl.sh.
$ git clone --depth 1 https://github.com/drwetter/testssl.sh.git
Cloning into 'testssl.sh'...
remote: Enumerating objects: 84, done.
remote: Counting objects: 100% (84/84), done.
remote: Compressing objects: 100% (80/80), done.
remote: Total 84 (delta 12), reused 18 (delta 3), pack-reused 0
Unpacking objects: 100% (84/84), done.

Покажем справочную информацию

:~/testssl.sh$ ./testssl.sh --help
     "testssl.sh [options] <URI>"    or    "testssl.sh <options>"


"testssl.sh <options>", where <options> is:

     --help                        what you're looking at
     -b, --banner                  displays banner + version of testssl.sh
     -v, --version                 same as previous
     -V, --local                   pretty print all local ciphers
     -V, --local <pattern>         which local ciphers with <pattern> are available? If pattern is not a number: word match

     <pattern>                     is always an ignore case word pattern of cipher hexcode or any other string in the name, kx or bits

"testssl.sh <URI>", where <URI> is:

                              host|host:port|URL|URL:port   port 443 is default, URL can only contain HTTPS protocol)

"testssl.sh [options] <URI>", where [options] is:

     -t, --starttls <protocol>     Does a default run against a STARTTLS enabled <protocol,
                                   protocol is <ftp|smtp|lmtp|pop3|imap|xmpp|telnet|ldap|nntp|postgres|mysql>
     --xmpphost <to_domain>        For STARTTLS enabled XMPP it supplies the XML stream to-'' domain -- sometimes needed
     --mx <domain/host>            Tests MX records from high to low priority (STARTTLS, port 25)
     --file/-iL <fname>            Mass testing option: Reads one testssl.sh command line per line from <fname>.
                                   Can be combined with --serial or --parallel. Implicitly turns on "--warnings batch".
                                   Text format 1: Comments via # allowed, EOF signals end of <fname>
                                   Text format 2: nmap output in greppable format (-oG), 1 port per line allowed
     --mode <serial|parallel>      Mass testing to be done serial (default) or parallel (--parallel is shortcut for the latter)
     --warnings <batch|off>        "batch" doesn't continue when a testing error is encountered, off continues and skips warnings
     --connect-timeout <seconds>   useful to avoid hangers. Max <seconds> to wait for the TCP socket connect to return
     --openssl-timeout <seconds>   useful to avoid hangers. Max <seconds> to wait before openssl connect will be terminated

single check as <options>  ("testssl.sh URI" does everything except -E and -g):
     -e, --each-cipher             checks each local cipher remotely
     -E, --cipher-per-proto        checks those per protocol
     -s, --std, --standard         tests certain lists of cipher suites by strength
     -f, --pfs, --fs, --nsa        checks (perfect) forward secrecy settings
     -p, --protocols               checks TLS/SSL protocols (including SPDY/HTTP2)
     -g, --grease                  tests several server implementation bugs like GREASE and size limitations
     -S, --server-defaults         displays the server's default picks and certificate info
     -P, --server-preference       displays the server's picks: protocol+cipher
     -x, --single-cipher <pattern> tests matched <pattern> of ciphers
                                   (if <pattern> not a number: word match)
     -c, --client-simulation       test client simulations, see which client negotiates with cipher and protocol
     -h, --header, --headers       tests HSTS, HPKP, server/app banner, security headers, cookie, reverse proxy, IPv4 address

     -U, --vulnerable              tests all (of the following) vulnerabilities (if applicable)
     -H, --heartbleed              tests for Heartbleed vulnerability
     -I, --ccs, --ccs-injection    tests for CCS injection vulnerability
     -T, --ticketbleed             tests for Ticketbleed vulnerability in BigIP loadbalancers
     -BB, --robot                  tests for Return of Bleichenbacher's Oracle Threat (ROBOT) vulnerability
     -R, --renegotiation           tests for renegotiation vulnerabilities
     -C, --compression, --crime    tests for CRIME vulnerability (TLS compression issue)
     -B, --breach                  tests for BREACH vulnerability (HTTP compression issue)
     -O, --poodle                  tests for POODLE (SSL) vulnerability
     -Z, --tls-fallback            checks TLS_FALLBACK_SCSV mitigation
     -W, --sweet32                 tests 64 bit block ciphers (3DES, RC2 and IDEA): SWEET32 vulnerability
     -A, --beast                   tests for BEAST vulnerability
     -L, --lucky13                 tests for LUCKY13
     -F, --freak                   tests for FREAK vulnerability
     -J, --logjam                  tests for LOGJAM vulnerability
     -D, --drown                   tests for DROWN vulnerability
     -4, --rc4, --appelbaum        which RC4 ciphers are being offered?

tuning / connect options (most also can be preset via environment variables):
     --fast                        omits some checks: using openssl for all ciphers (-e), show only first preferred cipher.
     -9, --full                    includes tests for implementation bugs and cipher per protocol (could disappear)
     --bugs                        enables the "-bugs" option of s_client, needed e.g. for some buggy F5s
     --assume-http                 if protocol check fails it assumes HTTP protocol and enforces HTTP checks
     --ssl-native                  fallback to checks with OpenSSL where sockets are normally used
     --openssl <PATH>              use this openssl binary (default: look in $PATH, $RUN_DIR of testssl.sh)
     --proxy <host:port|auto>      (experimental) proxy connects via <host:port>, auto: values from $env ($http(s)_proxy)
     -6                            also use IPv6. Works only with supporting OpenSSL version and IPv6 connectivity
     --ip <ip>                     a) tests the supplied <ip> v4 or v6 address instead of resolving host(s) in URI
                                   b) arg "one" means: just test the first DNS returns (useful for multiple IPs)
     -n, --nodns <min|none>        if "none": do not try any DNS lookups, "min" queries A, AAAA and MX records
     --sneaky                      leave less traces in target logs: user agent, referer
     --ids-friendly                skips a few vulnerability checks which may cause IDSs to block the scanning IP
     --phone-out                   allow to contact external servers for CRL download and querying OCSP responder
     --add-ca <cafile>             path to <cafile> or a comma separated list of CA files enables test against additional CAs.
     --basicauth <user:pass>       provide HTTP basic auth information.

output options (can also be preset via environment variables):
     --quiet                       don't output the banner. By doing this you acknowledge usage terms normally appearing in the banner
     --wide                        wide output for tests like RC4, BEAST. PFS also with hexcode, kx, strength, RFC name
     --show-each                   for wide outputs: display all ciphers tested -- not only succeeded ones
     --mapping <openssl|           openssl: use the OpenSSL cipher suite name as the primary name cipher suite name form (default)
                iana|rfc             -> use the IANA/(RFC) cipher suite name as the primary name cipher suite name form
                no-openssl|          -> don't display the OpenSSL cipher suite name, display IANA/(RFC) names only
                no-iana|no-rfc>      -> don't display the IANA/(RFC) cipher suite name, display OpenSSL names only
     --color <0|1|2|3>             0: no escape or other codes,  1: b/w escape codes,  2: color (default), 3: extra color (color all ciphers)
     --colorblind                  swap green and blue in the output
     --debug <0-6>                 1: screen output normal but keeps debug output in /tmp/.  2-6: see "grep -A 5 '^DEBUG=' testssl.sh"

file output options (can also be preset via environment variables)
     --log, --logging              logs stdout to '${NODE}-p${port}${YYYYMMDD-HHMM}.log' in current working directory (cwd)
     --logfile|-oL <logfile>       logs stdout to 'dir/${NODE}-p${port}${YYYYMMDD-HHMM}.log'. If 'logfile' is a dir or to a specified 'logfile'
     --json                        additional output of findings to flat JSON file '${NODE}-p${port}${YYYYMMDD-HHMM}.json' in cwd
     --jsonfile|-oj <jsonfile>     additional output to the specified flat JSON file or directory, similar to --logfile
     --json-pretty                 additional JSON structured output of findings to a file '${NODE}-p${port}${YYYYMMDD-HHMM}.json' in cwd
     --jsonfile-pretty|-oJ <jsonfile>  additional JSON structured output to the specified file or directory, similar to --logfile
     --csv                         additional output of findings to CSV file '${NODE}-p${port}${YYYYMMDD-HHMM}.csv' in cwd or directory
     --csvfile|-oC <csvfile>       additional output as CSV to the specified file or directory, similar to --logfile
     --html                        additional output as HTML to file '${NODE}-p${port}${YYYYMMDD-HHMM}.html'
     --htmlfile|-oH <htmlfile>     additional output as HTML to the specified file or directory, similar to --logfile
     --out(f,F)ile|-oa/-oA <fname> log to a LOG,JSON,CSV,HTML file (see nmap). -oA/-oa: pretty/flat JSON.
                                   "auto" uses '${NODE}-p${port}${YYYYMMDD-HHMM}'. If fname if a dir uses 'dir/${NODE}-p${port}${YYYYMMDD-HHMM}'
     --hints                       additional hints to findings
     --severity <severity>         severities with lower level will be filtered for CSV+JSON, possible values <LOW|MEDIUM|HIGH|CRITICAL>
     --append                      if (non-empty) <logfile>, <csvfile>, <jsonfile> or <htmlfile> exists, append to file. Omits any header
     --outprefix <fname_prefix>    before  '${NODE}.' above prepend <fname_prefix>


Options requiring a value can also be called with '=' e.g. testssl.sh -t=smtp --wide --openssl=/usr/bin/openssl <URI>.
<URI> always needs to be the last parameter.

Выполним симуляции клиента.

~/testssl.sh$ ./testssl.sh --client-simulation --log https://www.example.org
###########################################################
    testssl.sh       3.1dev from https://testssl.sh/dev/
    (e345abb 2020-04-13 23:01:15 -- )

      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 1.0.2-chacha (1.0.2k-dev)" [~179 ciphers]
 on debian:./bin/openssl.Linux.x86_64
 (built: "Jan 18 17:12:17 2019", platform: "linux-x86_64")


 Start 2020-04-13 23:23:38        -->> 93.184.216.34:443 (www.example.org) <<--

 Further IP addresses:   2606:2800:220:1:248:1893:25c8:1946 
 rDNS (93.184.216.34):   --
 Service detected:       HTTP


 Running client simulations (HTTP) via sockets 

 Android 4.4.2                TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 5.0.0                TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 6.0                  TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 7.0                  TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 8.1 (native)         TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 9.0 (native)         TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Android 10.0 (native)        TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Chrome 74 (Win 10)           TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Chrome 79 (Win 10)           TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Firefox 66 (Win 8.1/10)      TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Firefox 71 (Win 10)          TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 IE 6 XP                      No connection
 IE 8 Win 7                   TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
 IE 8 XP                      No connection
 IE 11 Win 7                  TLSv1.2 DHE-RSA-AES128-GCM-SHA256, 2048 bit DH  
 IE 11 Win 8.1                TLSv1.2 DHE-RSA-AES128-GCM-SHA256, 2048 bit DH  
 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, 256 bit ECDH (P-256)
 Edge 17 (Win 10)             TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Opera 66 (Win 10)            TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Safari 9 iOS 9               TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 9 OS X 10.11          TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 10 OS X 10.12         TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 12.1 (iOS 12.2)       TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Safari 13.0 (macOS 10.14.6)  TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Apple ATS 9 iOS 9            TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Java 6u45                    No connection
 Java 7u25                    TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
 Java 8u161                   TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Java 11.0.2 (OpenJDK)        TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Java 12.0.1 (OpenJDK)        TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 OpenSSL 1.0.2e               TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 OpenSSL 1.1.0l (Debian)      TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 OpenSSL 1.1.1d (Debian)      TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Thunderbird (68.3)           TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)

 Done 2020-04-13 23:24:09 [  32s] -->> 93.184.216.34:443 (www.example.org) <<--

Проверим сохраненный файл логов.

~/testssl.sh$ cat www.example.org_p443-20200413-2323.log 
## Scan started as: "testssl.sh --client-simulation --log https://www.example.org"
## at debian:./bin/openssl.Linux.x86_64
## version testssl: 3.1dev e345abb from 2020-04-13
## version openssl: "1.0.2-chacha" from "Jan 18 17:12:17 2019")

 Start 2020-04-13 23:23:38        -->> 93.184.216.34:443 (www.example.org) <<--

 Further IP addresses:   2606:2800:220:1:248:1893:25c8:1946 
 rDNS (93.184.216.34):   --
 Service detected:       HTTP


 Running client simulations (HTTP) via sockets 

 Android 4.4.2                TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 5.0.0                TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 6.0                  TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 7.0                  TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 8.1 (native)         TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Android 9.0 (native)         TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Android 10.0 (native)        TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Chrome 74 (Win 10)           TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Chrome 79 (Win 10)           TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Firefox 66 (Win 8.1/10)      TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Firefox 71 (Win 10)          TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 IE 6 XP                      No connection
 IE 8 Win 7                   TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
 IE 8 XP                      No connection
 IE 11 Win 7                  TLSv1.2 DHE-RSA-AES128-GCM-SHA256, 2048 bit DH  
 IE 11 Win 8.1                TLSv1.2 DHE-RSA-AES128-GCM-SHA256, 2048 bit DH  
 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, 256 bit ECDH (P-256)
 Edge 17 (Win 10)             TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Opera 66 (Win 10)            TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Safari 9 iOS 9               TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 9 OS X 10.11          TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 10 OS X 10.12         TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Safari 12.1 (iOS 12.2)       TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Safari 13.0 (macOS 10.14.6)  TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Apple ATS 9 iOS 9            TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Java 6u45                    No connection
 Java 7u25                    TLSv1.0 ECDHE-RSA-AES128-SHA, 256 bit ECDH (P-256)
 Java 8u161                   TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 Java 11.0.2 (OpenJDK)        TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Java 12.0.1 (OpenJDK)        TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 OpenSSL 1.0.2e               TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 OpenSSL 1.1.0l (Debian)      TLSv1.2 ECDHE-RSA-AES128-GCM-SHA256, 256 bit ECDH (P-256)
 OpenSSL 1.1.1d (Debian)      TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)
 Thunderbird (68.3)           TLSv1.3 TLS_AES_256_GCM_SHA384, 256 bit ECDH (P-256)

 Done 2020-04-13 23:24:09 [  32s] -->> 93.184.216.34:443 (www.example.org) <<--

Протестируем все уязвимости.
~/testssl.sh$ ./testssl.sh --vulnerable --log https://www.example.org
###########################################################
    testssl.sh       3.1dev from https://testssl.sh/dev/
    (e345abb 2020-04-13 23:01:15 -- )

      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 1.0.2-chacha (1.0.2k-dev)" [~179 ciphers]
 on debian:./bin/openssl.Linux.x86_64
 (built: "Jan 18 17:12:17 2019", platform: "linux-x86_64")


 Start 2020-04-13 23:26:48        -->> 93.184.216.34:443 (www.example.org) <<--

 Further IP addresses:   2606:2800:220:1:248:1893:25c8:1946 
 rDNS (93.184.216.34):   --
 Service detected:       HTTP


 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)
 CRIME, TLS (CVE-2012-4929)                not vulnerable (OK)
 BREACH (CVE-2013-3587)                    potentially NOT ok, uses gzip HTTP compression. - only supplied "/" tested
                                           Can be ignored for static pages or if no secrets in the page
 POODLE, SSL (CVE-2014-3566)               not vulnerable (OK)
 TLS_FALLBACK_SCSV (RFC 7507)              Downgrade attack prevention supported (OK)
 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
                                           https://censys.io/ipv4?q=9250711C54DE546F4370E0C3D3A3EC45BC96092A25A4A71A1AFA396AF7047EB8 could help you to find out
 LOGJAM (CVE-2015-4000), experimental      not vulnerable (OK): no DH EXPORT ciphers, no common prime detected
 BEAST (CVE-2011-3389)                     TLS1: ECDHE-RSA-AES128-SHA ECDHE-RSA-AES256-SHA DHE-RSA-AES128-SHA DHE-RSA-AES256-SHA
                                                 DHE-RSA-CAMELLIA256-SHA DHE-RSA-CAMELLIA128-SHA AES256-SHA CAMELLIA256-SHA AES128-SHA
                                                 CAMELLIA128-SHA DHE-RSA-SEED-SHA SEED-SHA 
                                           VULNERABLE -- but also supports higher protocols  TLSv1.1 TLSv1.2 (likely mitigated)
 LUCKY13 (CVE-2013-0169), experimental     potentially VULNERABLE, uses cipher block chaining (CBC) ciphers with TLS. Check patches
 RC4 (CVE-2013-2566, CVE-2015-2808)        no RC4 ciphers detected (OK)


 Done 2020-04-13 23:28:08 [  82s] -->> 93.184.216.34:443 (www.example.org) <<--

Выполним полное сканирование.

~/testssl.sh$ ./testssl.sh https://blog.sleeplessbeastie.eu
###########################################################
    testssl.sh       3.1dev from https://testssl.sh/dev/
    (e345abb 2020-04-13 23:01:15 -- )

      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 1.0.2-chacha (1.0.2k-dev)" [~179 ciphers]
 on debian:./bin/openssl.Linux.x86_64
 (built: "Jan 18 17:12:17 2019", platform: "linux-x86_64")


Testing all IPv4 addresses (port 443): 104.26.1.232 104.26.0.232
-------------------------------------------------------------------------------------------
 Start 2020-04-13 23:30:08        -->> 104.26.1.232:443 (blog.sleeplessbeastie.eu) <<--

 Further IP addresses:   104.26.0.232 2606:4700:20::681a:e8 2606:4700:20::681a:1e8 
 rDNS (104.26.1.232):    --
 Service detected:       HTTP


 Testing protocols via sockets except NPN+ALPN 

 SSLv2      not offered (OK)
 SSLv3      not offered (OK)
 TLS 1      offered (deprecated)
 TLS 1.1    offered (deprecated)
 TLS 1.2    offered (OK)
 TLS 1.3    offered (OK): final

 

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