https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA10g000000Clm9CAC Zone Protection profile is a set of security policies that you can apply to an interface or zone to protect it from reconnaissance, flooding, brute force, and other types of attacks.
The log type that would provide information about traffic blocked by a Zone Protection profile is Threat4. This log type records events such as packet-based attacks, spyware, viruses, vulnerability exploits, and URL filtering.

https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-admin/networking/configure-interfaces/virtual-wire-interfaces
"The virtual wire supports blocking or allowing traffic based on virtual LAN (VLAN) tags, in addition to supporting security policy rules, App-ID, Content-ID, User-ID, decryption, LLDP, active/passive and active/active HA, QoS, zone protection (with some exceptions), non-IP protocol protection, DoS protection, packet buffer protection, tunnel content inspection, and NAT."

https://docs.paloaltonetworks.com/best-practices/10-2/internet-gateway-best-practices/best-practice-internet-gateway-security-policy/create-best-practice-security-profiles
"Enable extended-capture for critical, high, and medium severity events and single-packet capture for low severity events. " https://docs.paloaltonetworks.com/pan-os/9-1/pan-os-web-interface-help/objects/objects-security-profiles-vulnerability-protection