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curl -sv --tlsv1.3 https://example.com 2>&1 | grep -i "SSL connection"cross-platform · bash · Expert
Makes a TLS 1.3 connection and filters the verbose diagnostics for the negotiated cipher line. The 2>&1 redirect merges stderr so grep can see it, and the whole pipeline ends at your terminal rather than at an interpreter.
Think you can spot these under time pressure?
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