CompTIA Linux+ XK0-006 (V8) Practice Question

A systems administrator needs to block all incoming traffic from a known malicious IP address, 198.51.100.10, on a Linux server. The administrator wants to silently discard the packets without sending a response. Which of the following iptables commands will accomplish this?

  • iptables -A FORWARD -s 198.51.100.10 -j DROP

  • iptables -A INPUT -s 198.51.100.10 -j DROP

  • iptables -A OUTPUT -d 198.51.100.10 -j DROP

  • iptables -A INPUT -s 198.51.100.10 -j REJECT

CompTIA Linux+ XK0-006 (V8)
Security
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