CompTIA
XK0-004 · Question #105
A new HTTPS web service is being deployed on a server. Which of the following commands should the Linux administrator use to ensure traffic is able to flow through the system firewall to the new…
The correct answer is B. iptables -A INPUT -p tcp --dport 443 -j ACCEPT. root@ubuntu:/boot/grub# iptables -I INPUT --dport 443 -j ACCEPT iptables v1.8.4 (legacy): unknown option "--dport" Try `iptables -h' or 'iptables --help' for more information
Security
Question
A new HTTPS web service is being deployed on a server. Which of the following commands should the Linux administrator use to ensure traffic is able to flow through the system firewall to the new service?
Options
- Aiptables -I OUTPUT -p tcp --sport 443 -j ACCEPT
- Biptables -A INPUT -p tcp --dport 443 -j ACCEPT
- Ciptables -I INPUT --dport 443 -j ACCEPT
- Diptables -A OUTPUT -p tcp --dport 443 -j ACCEPT
How the community answered
(57 responses)- A2% (1)
- B82% (47)
- C5% (3)
- D11% (6)
Explanation
root@ubuntu:/boot/grub# iptables -I INPUT --dport 443 -j ACCEPT iptables v1.8.4 (legacy): unknown option "--dport" Try `iptables -h' or 'iptables --help' for more information
Topics
#iptables#firewall rules#HTTPS#port 443
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