Sslscan

Aus Foxwiki


TMP

NAME

sslscan - Fast SSL/TLS scanner

SYNOPSIS

sslscan [options] [host:port | host]

DESCRIPTION

sslscan queries SSL/TLS services (such as HTTPS) and reports the protocol versions, cipher suites, key exchanges, signature algorithms, and certificates in use. This helps the user understand which parameters are weak from a security standpoint

Colour Terminal outputs
Kennzeichnung Beschreibung
Red Background NULL cipher (no encryption)
Red Broken cipher (<= 40 bit), broken protocol (SSLv2 or SSLv3) or broken certificate signing algorithm (MD5)
Yellow Weak cipher (<= 56 bit or RC4) or weak certificate signing algorithm (SHA-1)
Purple Anonymous cipher (ADH or AECDH)

sslscan can also output results into an XML file for easy consumption by external programs

OPTIONS

GNU Unix Parameter Beschreibung
--help Show summary of options
--targets=<file> A file containing a list of hosts to check. Hosts can be supplied with ports (i.e. host:port). One target per line
--sni-name=<name> Use a different hostname for SNI
--ipv4, -4 Force IPv4 DNS resolution. Default is to try IPv4, and if that fails then fall back to IPv6
--ipv6, -6 Force IPv6 DNS resolution. Default is to try IPv4, and if that fails then fall back to IPv6
--show-certificate Display certificate information
--show-certificates Display the full certificate chain
--no-check-certificate Don't flag certificates signed with weak algorithms (MD5 and SHA-1) or short (<2048 bit) RSA keys
--show-client-cas Show a list of CAs that the server allows for client authentication. Will be blank for IIS/Schannel servers
--show-ciphers Show a complete list of ciphers supported by sslscan
--show-cipher-ids Print the hexadecimal cipher IDs
--iana-names Use IANA/RFC cipher names rather than OpenSSL ones
--show-times Show the time taken for each handshake in milliseconds. Note that only a single request is made with each cipher, and that the size of the ClientHello is not constant, so this should not be used for proper benchmarking or performance testing. You might want to also use --no-cipher-details to make the output a bit clearer
--ssl2 Only check if SSLv2 is enabled
--ssl3 Only check if SSLv3 is enabled
--tls10 Only check TLS 1.0 ciphers
--tls11 Only check TLS 1.1 ciphers
--tls12 Only check TLS 1.2 ciphers
--tls13 Only check TLS 1.3 ciphers
--tlsall Only check TLS ciphers (versions 1.0, 1.1, 1.2, and 1.3)
--ocsp Display OCSP status
--pk=<file> A file containing the private key or a PKCS#12 file containing a private key/certificate pair (as produced by MSIE and Netscape)
--pkpass=<password> The password for the private key or PKCS#12 file
--certs=<file> A file containing PEM/ASN1 formatted client certificates
--no-ciphersuites Do not scan for supported ciphersuites
--no-fallback Do not check for TLS Fallback Signaling Cipher Suite Value (fallback)
--no-renegotiation Do not check for secure TLS renegotiation
--no-compression Do not check for TLS compression (CRIME)
--no-heartbleed Do not check for OpenSSL Heartbleed (CVE-2014-0160)
--no-groups Do not enumerate key exchange groups
--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-pop3 STARTTLS setup for POP3
--starttls-smtp STARTTLS setup for SMTP
--starttls-mysql STARTTLS setup for MySQL
--starttls-xmpp STARTTLS setup for XMPP
--starttls-psql STARTTLS setup for PostgreSQL
--xmpp-server Perform a server-to-server XMPP connection. Try this if --starttls-xmpp is failing
--rdp Send RDP preamble before starting scan
--bugs Enables workarounds for SSL bugs
--timeout=<sec> Set socket timeout. Useful for hosts that fail to respond to ciphers they don't understand. Default is 3s
--connect-timeout=<sec> Set initial connection timeout. Useful for hosts that are slow to respond to the initial connect(). Default is 75s
--sleep=<msec> Pause between connections. Useful on STARTTLS SMTP services, or anything else that's performing rate limiting. Default is disabled
--xml=<file> Output results to an XML file. - can be used to mean stdout
--version Show version of program
--verbose Display verbose output
--no-cipher-details Hide NIST EC curve name and EDH/RSA key length
--no-colour Disable coloured output

EXAMPLES

Scan a local HTTPS server

sslscan localhost
sslscan 127.0.0.1
sslscan 127.0.0.1:443
sslscan [::1]
sslscan [::1]:443
  1. SSLSCAN(1)