$> openssl s_client -connect www.google.com:443 -cipher LOW
CONNECTED(00000003) depth=1 /C=ZA/O=Thawte Consulting (Pty) Ltd./CN=Thawte SGC CA verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=www.google.com i:/C=ZA/O=Thawte Consulting (Pty) Ltd./CN=Thawte SGC CA 1 s:/C=ZA/O=Thawte Consulting (Pty) Ltd./CN=Thawte SGC CA i:/C=US/O=VeriSign, Inc./OU=Class 3 Public Primary Certification Authority --- [..snip..]
Testing for MEDIUM cipher (up to 128 bits)
$> openssl s_client -connect www.natwest.com:443 -cipher MEDIUM
CONNECTED(00000003) depth=1 /O=VeriSign Trust Network/OU=VeriSign, Inc./OU=VeriSign International Server CA - Class 3/OU=www.verisign.com/CP S Incorp.by Ref. LIABILITY LTD.(c)97 VeriSign verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/C=GB/ST=Lothian/L=Edinburgh/O=Royal Bank of Scotland Group/OU=E-Services/OU=Terms of use at www.verisign.co.uk/rpa (c)05/OU=Authenticated by VeriSign/OU=Member, VeriSign Trust Network/CN=www.natwest.com i:/O=VeriSign Trust Network/OU=VeriSign, Inc./OU=VeriSign International Server CA - Class 3/OU=www.verisign.com/CPS Incorp.by Ref. LIABILITY LTD.(c)97 VeriSign 1 s:/O=VeriSign Trust Network/OU=VeriSign, Inc./OU=VeriSign International Server CA - Class 3/OU=www.verisign.com/CPS Incorp.by Ref. LIABILITY LTD.(c)97 VeriSign i:/C=US/O=VeriSign, Inc./OU=Class 3 Public Primary Certification Authority --- [..snip..]
Testing for HIGH cipher (above 128 bits)
$>openssl s_client -connect www.google.com:443 -cipher HIGH
CONNECTED(00000003) depth=1 /C=ZA/O=Thawte Consulting (Pty) Ltd./CN=Thawte SGC CA verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/C=US/ST=California/L=Mountain View/O=Google Inc/CN=www.google.com [..snip..]