Requirements: Set the specified ip to access the specified port, other ip cannot access
One, ban all ip access
IP security policy needs to be turned on
Or win+R input secpol.msc
1. First create an ip security policy
2. Click Add to create a security policy without using the Add Wizard
Continue to add
Second, let go of the ip that needs to be accessed
1. Set the ip address that needs to be released
2. Customize the name, continue to add
Select "a specific ip address or subnet" for the source address, "my ip address" for the destination address, and "443" for the port
3. First restrict all ip access to port 443, and then release some ip access
Select "Restrict all ip access to port 443" and click Next
then click add
Name customization, I filled in " Block ip access ", continue to the next step
Select Block, continue to the next step, and then click Finish
Continue to click Add to add another
continue to the next step
Continue to click Next, click Finish
4. Set the corresponding sequence, first set to block, then set to allow
Continue to click Add to continue to the next step
Then come to this interface, choose to allow ip access, and continue to the next step
click OK
After clicking OK, return to the strategist interface, right-click Assign, and then the ip restriction access setting is complete
