exclude subnets with a leading `!` suggestion: ```ini permitted_subnets = 172.16.0.0/12, 10.0.0.0/8, !10.8.0.0/24 ```
exclude subnets with a leading
!suggestion:
permitted_subnets = 172.16.0.0/12, 10.0.0.0/8, !10.8.0.0/24