DNS Proxy Overview
Table of Contents
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- Objects > Addresses
- Objects > Address Groups
- Objects > Regions
- Objects > Dynamic User Groups
- Objects > Application Groups
- Objects > Application Filters
- Objects > Services
- Objects > Service Groups
- Objects > External Dynamic Lists
- Objects > Custom Objects > Spyware/Vulnerability
- Objects > Custom Objects > URL Category
- Objects > Security Profiles > Antivirus
- Objects > Security Profiles > Anti-Spyware Profile
- Objects > Security Profiles > Vulnerability Protection
- Objects > Security Profiles > File Blocking
- Objects > Security Profiles > WildFire Analysis
- Objects > Security Profiles > Data Filtering
- Objects > Security Profiles > DoS Protection
- Objects > Security Profiles > GTP Protection
- Objects > Security Profiles > SCTP Protection
- Objects > Security Profile Groups
- Objects > Log Forwarding
- Objects > Authentication
- Objects > Decryption > Forwarding Profile
- Objects > Schedules
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- Firewall Interfaces Overview
- Common Building Blocks for Firewall Interfaces
- Common Building Blocks for PA-7000 Series Firewall Interfaces
- Tap Interface
- HA Interface
- Virtual Wire Interface
- Virtual Wire Subinterface
- PA-7000 Series Layer 2 Interface
- PA-7000 Series Layer 2 Subinterface
- PA-7000 Series Layer 3 Interface
- Layer 3 Interface
- Layer 3 Subinterface
- Log Card Interface
- Log Card Subinterface
- Decrypt Mirror Interface
- Aggregate Ethernet (AE) Interface Group
- Aggregate Ethernet (AE) Interface
- Network > Interfaces > VLAN
- Network > Interfaces > Loopback
- Network > Interfaces > Tunnel
- Network > Interfaces > SD-WAN
- Network > VLANs
- Network > Virtual Wires
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- Network > Network Profiles > GlobalProtect IPSec Crypto
- Network > Network Profiles > IPSec Crypto
- Network > Network Profiles > IKE Crypto
- Network > Network Profiles > Monitor
- Network > Network Profiles > Interface Mgmt
- Network > Network Profiles > QoS
- Network > Network Profiles > LLDP Profile
- Network > Network Profiles > SD-WAN Interface Profile
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- Device > Setup
- Device > Setup > Management
- Device > Setup > Interfaces
- Device > Setup > Telemetry
- Device > Setup > Content-ID
- Device > Setup > WildFire
- Device > Log Forwarding Card
- Device > Config Audit
- Device > Administrators
- Device > Admin Roles
- Device > Access Domain
- Device > Authentication Sequence
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- Security Policy Match
- QoS Policy Match
- Authentication Policy Match
- Decryption/SSL Policy Match
- NAT Policy Match
- Policy Based Forwarding Policy Match
- DoS Policy Match
- Routing
- Test Wildfire
- Threat Vault
- Ping
- Trace Route
- Log Collector Connectivity
- External Dynamic List
- Update Server
- Test Cloud Logging Service Status
- Test Cloud GP Service Status
- Device > Virtual Systems
- Device > Shared Gateways
- Device > Certificate Management
- Device > Certificate Management > Certificate Profile
- Device > Certificate Management > OCSP Responder
- Device > Certificate Management > SSL/TLS Service Profile
- Device > Certificate Management > SCEP
- Device > Certificate Management > SSL Decryption Exclusion
- Device > Response Pages
- Device > Server Profiles
- Device > Server Profiles > SNMP Trap
- Device > Server Profiles > Syslog
- Device > Server Profiles > Email
- Device > Server Profiles > HTTP
- Device > Server Profiles > NetFlow
- Device > Server Profiles > RADIUS
- Device > Server Profiles > TACACS+
- Device > Server Profiles > LDAP
- Device > Server Profiles > Kerberos
- Device > Server Profiles > SAML Identity Provider
- Device > Server Profiles > DNS
- Device > Server Profiles > Multi Factor Authentication
- Device > Local User Database > Users
- Device > Local User Database > User Groups
- Device > Scheduled Log Export
- Device > Software
- Device > Dynamic Updates
- Device > Licenses
- Device > Support
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- Network > GlobalProtect > MDM
- Network > GlobalProtect > Device Block List
- Network > GlobalProtect > Clientless Apps
- Network > GlobalProtect > Clientless App Groups
- Objects > GlobalProtect > HIP Profiles
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- Use the Panorama Web Interface
- Context Switch
- Panorama Commit Operations
- Defining Policies on Panorama
- Log Storage Partitions for a Panorama Virtual Appliance in Legacy Mode
- Panorama > Setup > Interfaces
- Panorama > High Availability
- Panorama > Administrators
- Panorama > Admin Roles
- Panorama > Access Domains
- Panorama > Device Groups
- Panorama > Plugins
- Panorama > Log Ingestion Profile
- Panorama > Log Settings
- Panorama > Scheduled Config Export
End-of-Life (EoL)
DNS Proxy Overview
You can configure the firewall to act as a DNS server.
First, create a DNS proxy and select the interfaces to which the
proxy applies. Then specify the default DNS primary and secondary
servers to which the firewall sends the DNS queries when it doesn’t
find the domain name in its DNS proxy cache (and when the domain
name doesn’t match a proxy rule).
To direct DNS queries to different DNS servers based on domain
names, create DNS proxy rules. Specifying multiple DNS servers can
ensure localization of DNS queries and increase efficiency. For
example, you can forward all corporate DNS queries to a corporate
DNS server and forward all other queries to ISP DNS servers.
Use the following tabs to define a DNS proxy (beyond the default
DNS primary and secondary servers):
- Static Entries—Allows you to configure static FQDN-to-IP address mappings that the firewall caches and sends to hosts in response to DNS queries.
- DNS Proxy Rules—Allows you to specify domain names and corresponding primary and secondary DNS servers to resolve queries that match the rule. If the domain name isn’t in the DNS proxy cache, the firewall searches for a match in the DNS proxy (on the interface on which the query arrived), and forwards the query to a DNS server based on the match results. If no match results, the firewall sends the query to the default DNS primary and secondary servers. You can enable caching of domains that match the rule.
- Advanced—You must enable caching (select Cache) and Cache EDNS Responses if the DNS proxy object will be used to resolve DNS/FQDN queries that the firewall generates. The Advanced tab also allows you to control TCP queries and UDP Query Retries. The firewall sends TCP or UDP DNS queries through the configured interface. UDP queries switch over to TCP when a DNS query response is too long for a single UDP packet.