On Thu, May 21, 2015 at 10:33:27PM +0800, King Cao wrote: > Many thanks for your help. The server only allows sepcifc IP, so I am > afraid that internet can't acees this server. I will try to dump the > package to compare it.
Yes, a packet dump of the handshake should tell the whole story. Make sure to use "tcpdump -s0" so that you capture the full packet, not just the TCP headers. > So may I know if Exchange server will only pick one > of 64 ciphers list provided by client? or there is the limitation on > openssl client just sent out 64 cipher list during handshake? Exchange 2003 ignores ciphers after the 64th in the TLS client HELLO message. No such limitation in OpenSSL. -- Viktor.