However, TLS1.0 still shows up in a lot of tcpdump packets:Is this compiled with GnuTLS or OpenSSL?
Since it is ".el6" that would generally imply a RHEL build. That would in turn mean it is most likely compiled against the known insecure and broken MozNSS libs. So neither GnuTLS or OpenSSL.
--Quanah -- Quanah Gibson-Mount