What is DNS zone transfer attack?
DNS zone transfer, also known as DNS query type AXFR, is a process by which a DNS server passes a copy of part of its database to another DNS server. The client requesting a zone transfer may be a slave server or secondary server, requesting data from a master server or a primary server.
How do I allow DNS transfer zones?
Suggested Actions
- In the DNS Manager, right-click the name of the DNS zone and click Properties.
- On the Zone Transfers tab, click Allow zone transfer.
- Select Only to the following servers.
- Click Edit, then in the IP addresses of the secondary servers list, enter the IP addresses of the servers you wish to specify.
What is zone transfer with Dig?
Digging DNS with a Zone Transfer Usually, a zone transfer is a normal operation between primary and secondary DNS servers in order to synchronise the records for a domain. This is typically not something you want to be externally accessible.
What is the use of DNS zone transfer?
2.1 Attempt a DNS zone transfer. Zone transfers are typically used to replicate DNS data across a number of DNS servers, or to back up DNS files. A user or server will perform a specific zone transfer request from a name server.
How does a DNS server transfer a zone?
DNS zone transfer, also known as DNS query type AXFR, is a process by which a DNS server passes a copy of part of its database to another DNS server. The portion of the database that is replicated is known as a zone.
Why are DNS zone files vulnerable to attack?
This exposed DNS zone data could make your network more vulnerable to attack, because attackers will use this DNS zone data to help them map out your network in terms of the domain names, computer names, and IP addresses of your sensitive network resources. The process of replicating a zone file to multiple DNS servers is called zone transfer.
Can a zone be transferred to a rogue DNS server?
If the zone transfer setting is configured to allow zone transfers to any server, you may send your Domain Name System (DNS) zone data to a rogue DNS server.
Can a malicious party use a DNS zone transfer?
However, if you do not protect your servers, malicious parties may use AXFR to get information about all your hosts. DNS (Domain Name System) is like an Internet phonebook. It is responsible for resolving human-readable hostnames into machine-readable IP addresses.