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  • Apologies for the formatting, wasn't sure how to have grave accents show up as literal instead of making it into a code block. Commented Oct 15, 2014 at 22:44
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    Thanks for sharing, but can I suggest you use echo 'QUIT' so you don't have to install gtimeout. The second line should read... if echo 'QUIT' | openssl s_client -connect $ip:443 -ssl3 | grep -q 'Protocol : SSLv3' ; then Commented Nov 11, 2014 at 2:44
  • Using "Protocol : SSLv3" also seems to be dubious. Per this page: security.stackexchange.com/a/71459/51963, "Cipher : 0000" may be a better string to search for. Commented Jul 13, 2016 at 16:40