26 March 2012 | 4,542 views

SSLyze v0.4 Released – Scan & Analyze SSL Server Configuration

Check Your Web Security with Acunetix

SSLyze is a Fast and Full-Featured SSL Scanner – it enables Better, faster scanning to analyze the configuration of SSL servers.

Supports cipher suites scanning, insecure renegotiation verification, session resumption testing, client certificates, and more. Tested on Python 2.6 & 2.7 with Ubuntu and Windows 7, both 32 and 64 bits. Might work on other platforms as well. Based on OpenSSL and a custom SSL Python wrapper.

We first mentioned SSLyze when it popped up last year in December -

sslyze – Fast and Full-Featured SSL Configuration Scanner

New in v0.4

  • Support for OpenSSL 1.0.1 and TLS 1.1 and 1.2 scanning. See –tlsv1_1 and –tlsv1_2.
  • Support for HTTP CONNECT proxies. See –https_tunnel.
  • Support for StartTLS with SMTP and XMPP. See –starttls.
  • Improved/clarified output.
  • Various bug fixes.

You can download SSLyze v0.4 here:


Or read more here.

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