Domain S Dns Name Palo Alto
It s time to take back control of your dns traffic.
Domain s dns name palo alto. By configuring rules under the dns proxy rules tab the palo alto networks firewall can forward selective domains to dns servers different from the configured primary and secondary. A domain name is extracted from a received dns request. 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.
The domain name system dns is wide open for attackers. Logrhythm palo alto. 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.
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. 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. Dns is ubiquitous across the internet.
Palo alto do this with fqdn objects. 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.
It s used to normalize or convert the username and groupnames from fqdn to their corresponding netbios domain name format. The result is then checked every 30 mins by default. 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.
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. 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.