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 servi

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)

A
2% (1)
B
82% (47)
C
5% (3)
D
11% (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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