Antivirus > Configuration > Profiles > New or Edit > Protection > Network Attack Blocker
If enabled, Network Attack Blocker inspects inbound network traffic for activity that is typical of network attacks. On detecting an attempted network attack that targets your computer, network activity is blocked from the attacking computer.
Enable Network Attack Blocker
Add the attacking computer to the list of blocked computers for X Minutes
Exclusions
Addresses of exclusions comma delimited - Specifies IP addresses to be excluded. Accepts both IPv4 and IPv6 CIDR address notation. Example: 1.2.3.4/24,1234::cdef/96.
If no slash character is included with an IPv4 address, such as 1.2.3.4, then /32 is appended.
If no slash character is included with an IPv6 address, such as 1234::cdef, then /128 is appended.