Clarify error message in the case of pre TLS clients
Clarify error message in the case of pre TLS clients

txt3rob/sniproxy,balyanrobin/sniproxy,0xa/sniproxy,txt3rob/sniproxy,balyanrobin/sniproxy,dlundquist/sniproxy,balyanrobin/sniproxy,deeper-think/sniproxy,txt3rob/sniproxy,dlundquist/sniproxy,0xa/sniproxy,deeper-think/sniproxy,deeper-think/sniproxy,0xa/sniproxy,balyanrobin/sniproxy,dlundquist/sniproxy,0xa/sniproxy,dlundquist/sniproxy