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Does Curl Use Ciphers?

Alexander Ross • • 6 min read
Does Curl Use Ciphers?

TLS 1.3 ciphers are supported since curl 7.61 for OpenSSL 1.1. ... 1+ with options CURLOPT_TLS13_CIPHERS and --tls13-ciphers . If you are using a different SSL backend you can try setting TLS 1.3 cipher suites by using the respective regular cipher option.

Does cURL use TLS by default?

curl is designed to use a "safe version" of SSL/TLS by default.

How does cURL test TLS?

Resolution
  1. Different ways to check TLS version your instance is using:
  2. 1) Curl command:
  3. A) TLS1.0 --> curl -v -s --tlsv1.0 -o /dev/null/ 2>&1.
  4. B) TLS1.1 --> curl -v -s --tlsv1.1 -o /dev/null/ 2>&1.
Alexander Ross
Author

Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.