I'm currently evaluating firewalls. My goal is to block all traffics from VPN providers. We have the VPN IP address list from the IP2Proxy in the following format with IP address ranges in decimal format.
"17496733","17496733","VPN","TH","Thailand"
"17496784","17496784","VPN","TH","Thailand"
"17543533","17543533","VPN","KR","Korea (Republic of)"
"17544563","17544563","VPN","KR","Korea (Republic of)"
How can we use Sophos firewall to block the 11 millions VPN servers?
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