Steps: 3311 Request Control > cloud_ip module > Target Deny > Check Non
http://github.itzmx.com/1265578519/kangle/master/ipip/china_ip_list.txt
Fill in flush_time (second) with 1296000, update the IP database once every two weeks, and IPIP generally updates the database once a month, so updating once every two weeks is recommended.
In this way, accessing through overseas IP will prompt a 403 status and cannot be accessed. Similarly, if non is not checked, it will reject domestic IP access.
Here, IPIP is recommended for its high accuracy.
IPIP database free project address: https://github.com/17mon/china_ip_list
anrip database project address: https://github.com/anrip/IpAreaRoute