IP Addresses, CIDR Blocks, and Wildcard Masks
- Sources accept public IPv4 addresses and private non-routable IPs (RFC-1918 compliant). You may add public IPs for Registered Networks in Secure Access.
- Sources accept CIDR blocks.
- Sources do not require a deployed IPsec tunnel for the source IP addresses.
- Sources only accept valid IPv4 addresses.
For information about wildcard masks, see Using Wildcard Masks on Access Rules.