GIAC
GSLC · Question #568
Which of the following firewall rules only denies DNS zone transfers?
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Security Architecture & Engineering
Question
Which of the following firewall rules only denies DNS zone transfers?
Options
- Adeny udp any any port 53
- Bdeny ip any any
- Cdeny tcp any any port 53
- Ddeny all dns packets
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Topics
#firewall rules#DNS zone transfers#TCP vs UDP#port 53