Question

Question 1:

Go into your firewall settings on your Windows system or the virtual machine you are using here. You can find them in Control Panel, System and Security, Windows Firewall. What are the settings for your Incoming Connections (should be listed underneath the status of your firewall)?

Question 2

Go into Allow apps to communicate through the Windows Firewall. What apps are allowed?

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Question 3

Are there any that you were surprised to see allowed to communicate?

Question 4

Check the Event Viewer on your Windows system for any security violations. Do you find any?

Question 5

These are iptables rules from a Linux system. Can you explain what these rules are doing?

iptables -A INPUT -i eth0 -p tcp --dport 80 -m state --state NEW,ESTABLISHED -j ACCEPT
iptables -A OUTPUT -o eth0 -p tcp --sport 80 -m state --state ESTABLISHED -j ACCEPT

iptables -A INPUT -i eth0 -p tcp --dport 443 -m state --state NEW,ESTABLISHED -j ACCEPT

iptables -A OUTPUT -o eth0 -p tcp --sport 443 -m state --state ESTABLISHED -j ACCEPT

Question 6

Which type of rules would you consider to be more fine-grained and why? The Windows firewall or the Linux firewall?

Question 7

Are there advantages to the Windows firewall over the Linux firewall or the Linux firewall over the Windows firewall? Explain.

Answer 1

"Linux Firewalls and thin advantages over the windows: - rightarrow The most important and first advantage is Linux is the more secure than windows as a firewall platform rightarrow The most sucessful reason is that use should put your firewall on a Linux or Unix platform is alternative rightarrow In nowdays Industry is even begining to lose confidence in Microsoft's ability to Create Secure applications rightarrow Windows is very user - friendly rightarrow And the Linux is less user-friendly \r\n The windows firewall acts like a profection between our computer and the rest of the internet world rightarrow When we try to allow an application to communicate through the firewall then its called adding an ""exception"". rightarrow Windows creates exception for its own system services and apps rightarrow When we want to install a new apps that wants to communicate with outside world rightarrow Sometimes we might want to create an exception manually ti allow an app to communicate with the internet"