Then, if you are behind a firewall that disallow output connections the next step will be to open the destination port 993 to the IP address: 18.104.22.168.
You can test your connectivity to Redsmin in your side with the command below:
openssl s_client -connect ssl.redsmin.com:993...that should produce something like the following output (extract):
CONNECTED(00000003)Use Ctrl+C to exit this program, execute:
New, TLSv1/SSLv3, Cipher is AES256-GCM-SHA384
Server public key is 2048 bit
Secure Renegotiation IS supported
Timeout : 300 (sec)
Verify return code: 19 (self signed certificate in certificate chain) ---
redsmin start... and you are good to go!