A nice tool for SSL cipher testing is this Perl script: ssl-cipher-check.pl, however, in Backtrack and also on other distros you may get this error the first time you run it: ssl-cipher-check.pl -vw my.exampledomain.com 443 … ERROR: Unable to find /usr/bin/gnutls-cli-debug. Please install the gnutls-devel package To avoid that simply install the missing package as …