What is a Wildcard Mask? - Definition from Techopedia
Wildcard Masks in ACLs Explained
Wildcard Mask - AO!P
Access Control List (ACL) W.lilakiatsakun. ACL Fundamental ▻ Introduction to ACLs ▻ How ACLs work ▻ Creating ACLs ▻ The function of a wildcard mask. - ppt download
Understanding and Using Wild Card Masks for IP Addresses - RouterFreak