I have Sophos XG 17 set up. I created SSL VPN connection, and logged into user portal to download the config file for use on OpenVPN. I'm currently using iPhone. I noticed the file name on the config file indicates the public IP currently I'm at. Upon connection, within seconds, I'm able to access resources immediately. On another occasion, I tried to connect once again, this time, it seemed to take over 2 minutes to connect. But upon connection, I can still access resources. There is an option to override the server address, in the openvpn config. Since I have my firewall configured using Sophos service for dynamic dns, upon putting the Sophos provided FQDN, I'm able to connect within seconds once again. I tested this several times. Without using Sophos FQDN, it connects very slow. I also noticed that my public IP address has changed since I generated the config file. The public IP address seen on the config file during initial download is no longer my current IP address. Is this the reason it's taking a long time for client to connect to Sophos Firewall? If so, is it ok if IP address keeps on changing? I don't need to download new config file every time, just overide it with Sophos provided FQDN?
How do I do this in TunnelBlick (Mac)? I download the config file for Mac, I get connected, but it takes the same 2 minutes or so. Unfortunately, I don't know if it's possible to put server address onto TunnelBlick config. I can't see how. Hope others can shed light on this.
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