A DNS zone transfer attack might allow an attacker to set up a new unauthorized DNS server under their control.

How would you prevent it$?$

Question $17$Answer

a$.$

By properly configuring the secondary DNS server to only transfer zones to authorized primary servers

b$.$

By properly configuring the primary DNS server to only transfer zones to authorized secondary DNS servers

c$.$

By closing the port UDP $53$ from Internet

d$.$

By closing the port TCP $53$ from Internet

e$.$

By properly configuring the secondary DNS server to retrieve zones from only an authorized primary server