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IP Access Control Lists (ACLs) are filters provided to protect the SBC from attacks by blocking IP traffic that may be harmful to the network. ACLs allows user to specify rules to permit or deny packets into the SBC.
General rules:
When you create a SIP Port, the system also creates an ACL that allows connection attempts to all ports on the IP address of the SIP Port. For example, SSH to the IP address is allowed. To prevent unwanted access, ACLs should be used.
Refer to the following pages for additional ACL details:
Additional topics in this section: