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Peeks at certificates exposed by other hosts.

Project description


Certpeek peeks at the certificates exposed by SSL/TLS enabled hosts. Perfect for a quick look for debugging.

And, it support tunneling through a HTTP proxy!

Certpeek in action


Usage: certpeek [OPTIONS] HOST

  Peeks at certificates exposed by other hosts.

  --version          Show the version and exit.
  --proxy TEXT       Proxy to use.
  --servername TEXT  Custom SNI name to send in handshake.
  --no-servername    Do not send SNI in the handshake.
  --print-pem        Print certs in PEM format.
  --first-only       Only process the first retrieved cert.
  --openssl-format   Print cert info like OpenSSL.
  -h, --help         Show this message and exit.

Install with pip:

pip install certpeek

or with pipx:

pipx install certpeek

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