Exit SK0-004 CompTIA Server+
Question 3 of 5
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Q3 Single choice

A network administrator is tasked to block all outbound SSH connections on the default port from a network subnet of 10.152.8.0/21 on a Linux based firewall.

Which of the following rule sets would accomplish this task?

  • A

    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 22 -j REJECT

  • B

    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 23 -j REJECT

  • C

    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 22 -j ACCEPT

  • D

    iptables -i OUTPUT -d 10.152.8.0/21 -p TCP --dport 23 -j ACCEPT

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