Palo_Alto_Networks
PCNSE · Question #139
The Network Security Administrator discovers that the company's NAT-aware SIP phone system is not working properly through the Palo Alto Networks firewall, even though SIP traffic is being allowed by
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Submitted by helene.fr· Apr 18, 2026Configuration Troubleshooting
Question
The Network Security Administrator discovers that the company's NAT-aware SIP phone system is not working properly through the Palo Alto Networks firewall, even though SIP traffic is being allowed by policy. Which configuration change can resolve this issue?
Exhibit
Options
- ADisable ALG within the security policy that permits SIP traffic
- BCreate an application override policy to assign all traffic to and from SIP phones to the sip
- CCreate a security policy that allows any traffic to and from SIP phones.
- DDisable ALG within the SIP application
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Topics
#SIP#NAT Traversal#Application Layer Gateway (ALG)#Troubleshooting