sslscan 命令详解

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sslscan 命令可以方便的测试启用 SSL/TLS 的服务以发现支持的密码套件。

sslscan 命令安装：

-bash/zsh: sslscan: command not found

# Windows (WSL2)
sudo apt-get update sudo apt-get install sslscan

# Debian
apt-get install sslscan

# Ubuntu
apt-get install sslscan

# Arch Linux
pacman -S sslscan

# Kali Linux
apt-get install sslscan

# Fedora
dnf install sslscan

# OS X
brew install sslscan
# Raspbian
apt-get install sslscan

# Dockerfile
dockerfile.run/sslscan

sslscan 命令补充说明：

sslscan 命令可以用于测试启用 SSL / TLS 的服务，以发现其支持的密码套件，目前 sslscan 版本 2 现已发布。这包括对后端扫描代码的重大重写，这意味着它不再依赖 OpenSSL 版本进行许多检查。这意味着可以支持旧协议（SSLv2 和 SSLv3），以及支持 TLSv1.3 - 无论编译时使用的 OpenSSL 版本。

$ sslscan


                   _
           ___ ___| |___  ___ __ _ _ __
          / __/ __| / __|/ __/ _` | '_ \
          \__ \__ \ \__ \ (_| (_| | | | |
          |___/___/_|___/\___\__,_|_| |_|


                2.1.1 (Mingw)
                OpenSSL 3.0.9 30 May 2023

sslscan 命令语法：

sslscan [options] [host:port | host]

sslscan 命令选项：

  --targets=<file>     A file containing a list of hosts to check.
                       Hosts can  be supplied  with ports (host:port)
  --sni-name=<name>    Hostname for SNI
  --ipv4, -4           Only use IPv4
  --ipv6, -6           Only use IPv6

  --show-certificate   Show full certificate information
  --show-client-cas    Show trusted CAs for TLS client auth
  --no-check-certificate  Don't warn about weak certificate algorithm or keys
  --ocsp               Request OCSP response from server
  --pk=<file>          A file containing the private key or a PKCS#12 file
                       containing a private key/certificate pair
  --pkpass=<password>  The password for the private  key or PKCS#12 file
  --certs=<file>       A file containing PEM/ASN1 formatted client certificates

  --ssl2               Only check if SSLv2 is enabled
  --ssl3               Only check if SSLv3 is enabled
  --tls10              Only check TLSv1.0 ciphers
  --tls11              Only check TLSv1.1 ciphers
  --tls12              Only check TLSv1.2 ciphers
  --tls13              Only check TLSv1.3 ciphers
  --tlsall             Only check TLS ciphers (all versions)
  --show-ciphers       Show supported client ciphers
  --show-cipher-ids    Show cipher ids
  --iana-names         Use IANA/RFC cipher names rather than OpenSSL ones
  --show-times         Show handhake times in milliseconds

  --no-cipher-details  Disable EC curve names and EDH/RSA key lengths output
  --no-ciphersuites    Do not check for supported ciphersuites
  --no-compression     Do not check for TLS compression (CRIME)
  --no-fallback        Do not check for TLS Fallback SCSV
  --no-groups          Do not enumerate key exchange groups
  --no-heartbleed      Do not check for OpenSSL Heartbleed (CVE-2014-0160)
  --no-renegotiation   Do not check for TLS renegotiation
  --show-sigs          Enumerate signature algorithms

  --starttls-ftp       STARTTLS setup for FTP
  --starttls-imap      STARTTLS setup for IMAP
  --starttls-irc       STARTTLS setup for IRC
  --starttls-ldap      STARTTLS setup for LDAP
  --starttls-mysql     STARTTLS setup for MYSQL
  --starttls-pop3      STARTTLS setup for POP3
  --starttls-psql      STARTTLS setup for PostgreSQL
  --starttls-smtp      STARTTLS setup for SMTP
  --starttls-xmpp      STARTTLS setup for XMPP
  --xmpp-server        Use a server-to-server XMPP handshake
  --rdp                Send RDP preamble before starting scan

  --bugs               Enable SSL implementation bug work-arounds
  --no-colour          Disable coloured output
  --sleep=<msec>       Pause between connection request. Default is disabled
  --timeout=<sec>      Set socket timeout. Default is 3s
  --connect-timeout=<sec>  Set connect timeout. Default is 75s
  --verbose            Display verbose output
  --version            Display the program version
  --xml=<file>         Output results to an XML file. Use - for STDOUT.
  --help               Display the help text you are now reading

sslscan 命令实例：

sslscan 在端口 443 上测试服务器：

sslscan www.hexun.com

------------------------------------------------------
Version: 2.1.1 (Mingw)
OpenSSL 3.0.9 30 May 2023

Connected to 222.84.159.11

Testing SSL server www.hexun.com on port 443 using SNI name www.hexun.com

  SSL/TLS Protocols:
SSLv2     disabled
SSLv3     disabled
TLSv1.0   disabled
TLSv1.1   disabled
TLSv1.2   enabled
TLSv1.3   enabled

  TLS Fallback SCSV:
Server supports TLS Fallback SCSV

  TLS renegotiation:
Session renegotiation not supported

  TLS Compression:
Compression disabled

  Heartbleed:
TLSv1.3 not vulnerable to heartbleed
TLSv1.2 not vulnerable to heartbleed

  Supported Server Cipher(s):
Preferred TLSv1.3  256 bits  TLS_AES_256_GCM_SHA384        Curve 25519 DHE 253
Accepted  TLSv1.3  256 bits  TLS_CHACHA20_POLY1305_SHA256  Curve 25519 DHE 253
Accepted  TLSv1.3  128 bits  TLS_AES_128_GCM_SHA256        Curve 25519 DHE 253
Preferred TLSv1.2  128 bits  ECDHE-RSA-AES128-GCM-SHA256   Curve 25519 DHE 253
Accepted  TLSv1.2  128 bits  ECDHE-RSA-AES128-SHA256       Curve 25519 DHE 253
Accepted  TLSv1.2  128 bits  ECDHE-RSA-AES128-SHA          Curve 25519 DHE 253
Accepted  TLSv1.2  128 bits  AES128-GCM-SHA256
Accepted  TLSv1.2  128 bits  AES128-CCM8
Accepted  TLSv1.2  128 bits  AES128-CCM
Accepted  TLSv1.2  128 bits  AES128-SHA256
Accepted  TLSv1.2  128 bits  AES128-SHA
Accepted  TLSv1.2  256 bits  ECDHE-RSA-AES256-GCM-SHA384   Curve 25519 DHE 253
Accepted  TLSv1.2  256 bits  ECDHE-RSA-AES256-SHA384       Curve 25519 DHE 253
Accepted  TLSv1.2  256 bits  ECDHE-RSA-AES256-SHA          Curve 25519 DHE 253
Accepted  TLSv1.2  256 bits  AES256-GCM-SHA384
Accepted  TLSv1.2  256 bits  AES256-CCM8
Accepted  TLSv1.2  256 bits  AES256-CCM
Accepted  TLSv1.2  256 bits  AES256-SHA256
Accepted  TLSv1.2  256 bits  AES256-SHA
Accepted  TLSv1.2  112 bits  ECDHE-RSA-DES-CBC3-SHA        Curve 25519 DHE 253
Accepted  TLSv1.2  112 bits  DES-CBC3-SHA

  Server Key Exchange Group(s):
TLSv1.3  128 bits  secp256r1 (NIST P-256)
TLSv1.3  192 bits  secp384r1 (NIST P-384)
TLSv1.3  260 bits  secp521r1 (NIST P-521)
TLSv1.3  128 bits  x25519
TLSv1.3  224 bits  x448
TLSv1.2  128 bits  secp256r1 (NIST P-256)
TLSv1.2  192 bits  secp384r1 (NIST P-384)
TLSv1.2  260 bits  secp521r1 (NIST P-521)
TLSv1.2  128 bits  x25519
TLSv1.2  224 bits  x448

  SSL Certificate:
Signature Algorithm: sha256WithRSAEncryption
RSA Key Strength:    2048

Subject:  *.hexun.com
Altnames: DNS:*.hexun.com, DNS:hexun.com
Issuer:   Secure Site CA G2

Not valid before: Aug 29 00:00:00 2023 GMT
Not valid after:  Sep 28 23:59:59 2024 GMT

sslscan 显示证书信息：

sslscan --show-certificate www.hexun.com

----------------------------
Version: 2.1.1 Windows 64-bit (Mingw)
OpenSSL 3.0.9 30 May 2023

Connected to 183.134.34.29

Testing SSL server www.hexun.com on port 443 using SNI name www.hexun.com

  SSL/TLS Protocols:
SSLv2     disabled
SSLv3     disabled
TLSv1.0   disabled
TLSv1.1   disabled
TLSv1.2   enabled
TLSv1.3   enabled

  TLS Fallback SCSV:
Server supports TLS Fallback SCSV

  TLS renegotiation:
Session renegotiation not supported

  TLS Compression:
Compression disabled

  Heartbleed:
TLSv1.3 not vulnerable to heartbleed
TLSv1.2 not vulnerable to heartbleed

  Supported Server Cipher(s):
Preferred TLSv1.3  256 bits  TLS_AES_256_GCM_SHA384        Curve 25519 DHE 253
Accepted  TLSv1.3  256 bits  TLS_CHACHA20_POLY1305_SHA256  Curve 25519 DHE 253
Accepted  TLSv1.3  128 bits  TLS_AES_128_GCM_SHA256        Curve 25519 DHE 253
Preferred TLSv1.2  128 bits  ECDHE-RSA-AES128-GCM-SHA256   Curve 25519 DHE 253
Accepted  TLSv1.2  128 bits  ECDHE-RSA-AES128-SHA256       Curve 25519 DHE 253
Accepted  TLSv1.2  128 bits  ECDHE-RSA-AES128-SHA          Curve 25519 DHE 253
Accepted  TLSv1.2  128 bits  AES128-GCM-SHA256
Accepted  TLSv1.2  128 bits  AES128-CCM8
Accepted  TLSv1.2  128 bits  AES128-CCM
Accepted  TLSv1.2  128 bits  AES128-SHA256
Accepted  TLSv1.2  128 bits  AES128-SHA
Accepted  TLSv1.2  256 bits  ECDHE-RSA-AES256-GCM-SHA384   Curve 25519 DHE 253
Accepted  TLSv1.2  256 bits  ECDHE-RSA-AES256-SHA384       Curve 25519 DHE 253
Accepted  TLSv1.2  256 bits  ECDHE-RSA-AES256-SHA          Curve 25519 DHE 253
Accepted  TLSv1.2  256 bits  AES256-GCM-SHA384
Accepted  TLSv1.2  256 bits  AES256-CCM8
Accepted  TLSv1.2  256 bits  AES256-CCM
Accepted  TLSv1.2  256 bits  AES256-SHA256
Accepted  TLSv1.2  256 bits  AES256-SHA
Accepted  TLSv1.2  112 bits  ECDHE-RSA-DES-CBC3-SHA        Curve 25519 DHE 253
Accepted  TLSv1.2  112 bits  DES-CBC3-SHA

  Server Key Exchange Group(s):
TLSv1.3  128 bits  secp256r1 (NIST P-256)
TLSv1.3  192 bits  secp384r1 (NIST P-384)
TLSv1.3  260 bits  secp521r1 (NIST P-521)
TLSv1.3  128 bits  x25519
TLSv1.3  224 bits  x448
TLSv1.2  128 bits  secp256r1 (NIST P-256)
TLSv1.2  192 bits  secp384r1 (NIST P-384)
TLSv1.2  260 bits  secp521r1 (NIST P-521)
TLSv1.2  128 bits  x25519
TLSv1.2  224 bits  x448

  SSL Certificate:
    Certificate blob:
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
    Version: 2
    Serial Number: 03:49:4a:da:24:b4:f3:13:24:a6:bf:8d:c8:63:d6:ea
    Signature Algorithm: sha256WithRSAEncryption
    Issuer: /C=US/O=DigiCert Inc/OU=www.digicert.com/CN=Secure Site CA G2
    Not valid before: Aug 29 00:00:00 2023 GMT
    Not valid after: Sep 28 23:59:59 2024 GMT
    Subject: /C=CN/ST=\xE5\x8C\x97\xE4\xBA\xAC\xE5\xB8\x82/O=Beijing Hexun Online Consulting Co.,Ltd/CN=*.hexun.com
    Public Key Algorithm: NULL
    RSA Public Key: (2048 bit)
      RSA Public-Key: (2048 bit)
      Modulus:
          00:a5:f4:43:60:8e:ea:5a:2c:25:9a:42:5f:82:47:
          55:ba:19:f1:ee:97:cc:c1:ea:24:1a:2a:db:47:f9:
          ca:58:59:e3:1d:de:36:c3:93:81:c2:b0:67:f7:9c:
          33:0d:7a:85:fb:5a:7e:ef:5e:5e:9a:5d:6e:0d:1c:
          c6:0b:48:d7:9a:f1:e9:c6:7b:74:3e:13:51:ad:70:
          1f:a2:4d:ba:95:60:bd:d4:30:3c:ad:b0:81:27:97:
          a4:74:7a:63:3b:07:88:13:89:34:78:73:78:34:71:
          a8:3f:94:38:c3:55:93:df:17:37:1e:38:dd:7a:7b:
          1d:e7:98:0a:70:ca:ec:99:aa:d5:ed:bf:63:f8:8a:
          74:75:b7:c0:01:e2:7d:40:4d:6f:63:02:74:61:d3:
          b4:4b:88:b7:fe:54:f8:b4:9b:90:ea:40:e4:01:04:
          16:f3:d4:4a:23:ca:61:84:5a:f1:08:0f:2e:39:f2:
          54:03:69:05:22:0a:22:c2:14:f7:df:f1:01:e2:71:
          cb:55:36:7a:62:6c:79:84:7f:0d:64:6b:d6:cd:57:
          2e:ad:a3:06:c8:bb:4a:c1:1c:0c:af:54:a1:83:52:
          ee:91:bf:7f:12:dc:ad:16:1d:48:9b:ac:94:88:53:
          1d:17:50:97:09:44:42:04:c5:dc:ff:0a:a7:73:8d:
          ac:57
      Exponent: 65537 (0x10001)
    X509v3 Extensions:
      X509v3 Authority Key Identifier:
        C4:11:7E:88:40:86:C2:41:BF:65:F3:1A:E1:B4:53:40:A3:AB:EC:7D
      X509v3 Subject Key Identifier:
        5D:FA:1A:04:2F:4D:42:65:A4:CE:6A:09:B1:C5:41:E3:32:EA:72:D7
      X509v3 Subject Alternative Name:
        DNS:*.hexun.com, DNS:hexun.com
      X509v3 Key Usage: critical
        Digital Signature, Key Encipherment
      X509v3 Extended Key Usage:
        TLS Web Server Authentication, TLS Web Client Authentication
      X509v3 CRL Distribution Points:
        Full Name:
          URI:http://crl3.digicert.com/SecureSiteCAG2.crl
        Full Name:
          URI:http://crl4.digicert.com/SecureSiteCAG2.crl
      X509v3 Certificate Policies:
        Policy: 2.23.140.1.2.2
          CPS: http://www.digicert.com/CPS
      Authority Information Access:
        OCSP - URI:http://ocsp.dcocsp.cn
        CA Issuers - URI:http://crl.digicert-cn.com/SecureSiteCAG2.crt
      X509v3 Basic Constraints:
        CA:FALSE
      CT Precertificate SCTs:
        Signed Certificate Timestamp:
            Version   : v1 (0x0)
            Log ID    : EE:CD:D0:64:D5:DB:1A:CE:C5:5C:B7:9D:B4:CD:13:A2:
                        32:87:46:7C:BC:EC:DE:C3:51:48:59:46:71:1F:B5:9B
            Timestamp : Aug 29 05:41:47.476 2023 GMT
            Extensions: none
            Signature : ecdsa-with-SHA256
                        30:45:02:20:73:25:9D:7F:05:90:94:A2:6F:11:05:88:
                        56:38:1C:E8:29:A9:5E:28:15:FE:4F:6E:0C:26:06:49:
                        28:01:61:9C:02:21:00:A7:34:38:C0:95:1E:EC:8A:D3:
                        A2:4D:E3:02:1C:CC:D2:BF:D6:4A:92:90:13:40:87:33:
                        BF:94:0D:96:E2:05:D2
        Signed Certificate Timestamp:
            Version   : v1 (0x0)
            Log ID    : 48:B0:E3:6B:DA:A6:47:34:0F:E5:6A:02:FA:9D:30:EB:
                        1C:52:01:CB:56:DD:2C:81:D9:BB:BF:AB:39:D8:84:73
            Timestamp : Aug 29 05:41:47.064 2023 GMT
            Extensions: none
            Signature : ecdsa-with-SHA256
                        30:44:02:20:6C:22:81:E6:E8:EF:CF:3E:EC:31:E8:E7:
                        7F:33:02:C3:B7:53:56:92:67:69:57:98:1B:6A:E6:50:
                        5D:23:E6:E6:02:20:05:83:7B:57:0A:3B:8E:B0:E9:5F:
                        73:07:78:C6:DB:2C:7D:06:56:AB:C5:3C:49:35:63:79:
                        53:6C:6B:E6:B1:14
        Signed Certificate Timestamp:
            Version   : v1 (0x0)
            Log ID    : DA:B6:BF:6B:3F:B5:B6:22:9F:9B:C2:BB:5C:6B:E8:70:
                        91:71:6C:BB:51:84:85:34:BD:A4:3D:30:48:D7:FB:AB
            Timestamp : Aug 29 05:41:47.014 2023 GMT
            Extensions: none
            Signature : ecdsa-with-SHA256
                        30:45:02:21:00:CD:02:7A:17:E1:D9:89:DF:E4:1B:72:
                        3D:41:85:ED:7A:19:00:50:B4:40:83:40:3E:85:C9:21:
                        77:CE:E6:45:09:02:20:78:C6:CD:E0:9F:B2:1F:3E:3C:
                        5E:1A:43:16:21:A4:8B:A0:24:3B:63:DF:86:12:DC:51:
                        0B:99:A9:D1:B7:BE:A8
  Verify Certificate:
    unable to get local issuer certificate

  SSL Certificate:
Signature Algorithm: sha256WithRSAEncryption
RSA Key Strength:    2048

Subject:  *.hexun.com
Altnames: DNS:*.hexun.com, DNS:hexun.com
Issuer:   Secure Site CA G2

Not valid before: Aug 29 00:00:00 2023 GMT
Not valid after:  Sep 28 23:59:59 2024 GMT

sslscan 扩展阅读：

CommandNotFound ⚡️ 坑否 - 其他频道扩展阅读：

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