014.01.58.5. How would you resolve the issue where a friend's machine at 192.168.34.37 is unable to send you email due to a blocked connection?
This question assesses the candidate's problem-solving skills related to iptables configuration. It requires knowledge of rule insertion and chain manipulation to resolve the issue described in the text.
To resolve the issue of my friend's machine (192.168.34.37) being unable to send you email due to a blocked connection, you can use the following command:
iptables -I INPUT -s 192.168.34.37 -j ACCEPT
By inserting this rule at the beginning of the INPUT chain, it ensures that the connection from your friend's machine is allowed, addressing the problem.
