One host can't connect to the dev instance

[eolmstead]

I have a dev instance setup and I can connect to it from multiple different hosts in our network, except the one I am doing development on. 

$ openssl s_client -connect dev########.service-now.com:443 --state
CONNECTED(00000003)
SSL_connect:before SSL initialization
SSL_connect:SSLv3/TLS write client hello
SSL_connect:error in SSLv3/TLS write client hello
write:errno=104 #                                                        # 104 is ECONNRESET for "Connection reset by peer"
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Is there a place I can go to unblock the IP or find out why the remote is disconnecting?

[-O-]

It may be a crypto protocol problem.

Does your browser use at least TLS1.2?

[eolmstead]

Browser isn't involved, I am connecting from OpenSSL.

[-O-]

The same.

What happens if you add command line parameter -tls1_2?

[eolmstead]

Same error:


$ openssl s_client -connect dev142043.service-now.com:443 --state -tls1_2
CONNECTED(00000003)
SSL_connect:before SSL initialization
SSL_connect:SSLv3/TLS write client hello
SSL_connect:error in SSLv3/TLS write client hello
write:errno=104