014.01.58.Setting Firewall Rules - EmbLogic https://www.emblogic.com/forum/categories/014-01-58-setting-firewall-rules/feed.rss Thu, 13 Aug 26 20:48:14 +0530 014.01.58.Setting Firewall Rules - EmbLogic en-CA 5.a friend's machine at 192.168.34.37 is unable to send you email due to a blocked connection? https://www.emblogic.com/forum/discussion/1291/5-a-friend039s-machine-at-192-168-34-37-is-unable-to-send-you-email-due-to-a-blocked-connection Fri, 02 Feb 2024 15:35:18 +0530 pravjot 1291@/forum/discussions 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.

]]> 4. Explain the significance of the rule "iptables -A INPUT -s 192.168.34.37 -j ACCEPT" https://www.emblogic.com/forum/discussion/1290/4-explain-the-significance-of-the-rule-iptables-a-input-s-192-168-34-37-j-accept Fri, 02 Feb 2024 15:34:31 +0530 pravjot 1290@/forum/discussions 014.01.58.4. Explain the significance of the rule "iptables -A INPUT -s 192.168.34.37 -j ACCEPT" and why it may not work as expected.

This question tests the candidate's comprehension of iptables rules, their order of execution, and potential issues with rule placement in the chain.

]]> 3. Describe the command used to block communication from a specific IP address to your machine https://www.emblogic.com/forum/discussion/1289/3-describe-the-command-used-to-block-communication-from-a-specific-ip-address-to-your-machine Fri, 02 Feb 2024 14:56:24 +0530 pravjot 1289@/forum/discussions 014.01.58.3. Describe the command used to block communication from a specific IP address (192.168.34.63) to your machine.

This question evaluates the candidate's ability to interpret and apply iptables commands for blocking communication from a specified source IP address.

]]> 2. What does "iptables -P FORWARD DROP," do? how does it affect the packet-filtering system https://www.emblogic.com/forum/discussion/1288/2-what-does-iptables-p-forward-drop-do-how-does-it-affect-the-packet-filtering-system Fri, 02 Feb 2024 14:55:34 +0530 pravjot 1288@/forum/discussions 014.01.58.2. What is the purpose of the command "iptables -P FORWARD DROP," and how does it affect the packet-filtering system?

This question assesses the candidate's knowledge of setting default policies for firewall chains using the iptables command and understanding the implications of such configurations.

]]> 1. Can you explain how the iptables system works in practice? https://www.emblogic.com/forum/discussion/1287/1-can-you-explain-how-the-iptables-system-works-in-practice Fri, 02 Feb 2024 14:54:15 +0530 pravjot 1287@/forum/discussions 014.01.58.1. Can you explain how the iptables system works in practice?

This question aims to test the candidate's understanding of the iptables system and its basic functioning as described in the provided text.

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