다른 프로세스를 테스트하기 위해 DNS 서버에 대한 연결을 차단하는 풍부한 규칙을 추가했으며 패킷 캡처에서는 다음 풍부한 규칙에 의해 지정된 IP 주소에서 보낸 패킷이 여전히 허용되는 것으로 나타났습니다.
block
interfaces:
sources:
services:
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
dmz
interfaces:
sources:
services: ssh
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
drop
interfaces:
sources:
services:
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
external
interfaces:
sources:
services: ssh
ports:
masquerade: yes
forward-ports:
icmp-blocks:
rich rules:
home
interfaces:
sources:
services: dhcpv6-client ipp-client samba-client ssh
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
internal
interfaces:
sources:
services: dhcpv6-client ipp-client samba-client ssh
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
public (default, active)
interfaces: eno16780032
sources:
services: dhcpv6-client samba ssh
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
rule family="ipv4" source address="10.7.6.11/32" drop
trusted
interfaces:
sources:
services:
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules:
work
interfaces:
sources:
services: dhcpv6-client ipp-client ssh
ports:
masquerade: no
forward-ports:
icmp-blocks:
rich rules: