Ensure No Firewall Rules with source 'ANY', service 'ANY' and destination 'ANY' from 'WAN' Zone

HochStufe 1Manuelle Prüfungsophos

Beschreibung

Allowed firewall rules with no specific source or ANY service definitions from WAN/untrusted zone could lead to unintended exposure to the outside threats. Reviewed in the Sophos Firewall web admin console (SFOS has no plain-text configuration export to audit offline).

So wird geprüft

Prüfmethode: Manuelle Prüfung

Diese Empfehlung kann nicht automatisch geprüft werden. Ein Scan führt sie mit diesen Anweisungen auf, wenn Sie --include-manual übergeben.

Navigate to 'Protect > Rules and policies > Firewall rules'. Filter 'Destination zone' to 'LAN' or 'DMZ'. Verify that no allowed firewall rules from 'WAN' zone with service definition 'ANY' to 'LAN' or 'DMZ' zone with destination network set to 'ANY'.

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

Navigate to 'Protect > Rules and policies > Firewall rules'. Filter 'Destination zone' to 'LAN' or 'DMZ'. Remove allowed firewall rules from 'WAN' zone with service definition 'ANY' to 'LAN' or 'DMZ' zone with destination network set to 'ANY'. Or change the rule to specific source/destination with target service definition.

Eigenschaften

Betriebssysteme: Beliebig
Tags: sophosfirewall-policy
Referenz: CIS Sophos Firewall v22 Benchmark v1.0.0 - 5.10 Ensure No Firewall Rules with source 'ANY', service 'ANY' and destination 'ANY' from 'WAN' Zone