Domain S Dns Name Palo Alto

A dns name is configured in the fqdn object in a security policy.

Domain s dns name palo alto. Palo alto do this with fqdn objects. Using dig command i am able to cache some of the addresses on palo alto but they get deleted right away but not all so for now i have added static entries for dns proxy but the. To enable dns sinkholing for a custom list of domains you must create an external dynamic list that includes the domains enable the sinkhole action in an anti spyware profile and attach the profile to a security policy rule. Palo alto networks firewall uses the domain map to store the fully qualified active directory domain name fqdn and its equivalent netbios domain netbios name.

When a client attempts to access a malicious domain in the list the firewall forges the destination ip address in the packet to the default palo alto networks server or. The result is then checked every 30 mins by default. The domain name system dns is wide open for attackers. Logrhythm palo alto.

The source of the dns query is the ingress interface of dns request which in this case would be either ethernet1 2 or ethernet1 3. A domain name is extracted from a received dns request. The received dns request is blocked in response to determining based on a policy t using dns communications to filter domain names palo alto networks inc. Dns is ubiquitous across the internet.

Once committed the management plane performs the dns lookup and the the resulting ip address es are pushed to the data plane pan os 7 1 allows 32 ip addresses for each fqdn object. According to palo alto networks unit 42 threat research almost 80 percent of malware uses dns to initiate command and control c2 let alone use advanced evasion tactics like dns tunneling or the high volume of malicious domains. To enable dns sinkholing for domain queries using dns security you must activate your dns security subscription create or modify an anti spyware policy to reference the dns security service enable the sinkhole action and attach the profile to a security policy rule. Dynamic block list for newly registered domains if palo alto networks is configured to alert on young domains rather than block it may be that you are correlating with other log sources to perform broader analytics that results in an ai engine alert indicating a malicious young domain with a high degree of certainty.

We are connected to the cloud by site to site vpn on palo alto and until recently our private domains have stopped resolving and name servers are not finding their way.