Project #40098 - Network Security

Hardware and software week 10

 

Firewall port control

 

This far into the course you should have already learned to modify host based firewall settings. We have done this for FTP, RDP and possibly for file sharing. This week we are taking extra measures to ensure that only inbound (ingress) connections we want are allowed. We will also be taking extra measures to ensure that only outbound (egress) connections we are permitting are allowed.

 

Unfortunately, many organizations overlook the importance of egress filtering. Only Standard service ports should be open to the Internet because it minimizes the likelihood of Trojan based malware from connecting back to the Command and Control ports or remote control ports.

 

For the Course Project this week, configure each VM guest's client firewall to only allow ingress and egress ports permitted from the earlier Course Project assignments. Make sure you can access a remote web server on ports 80 and 443 in addition to the previously assign ports. Test your configuration changes as you make each one to be able to troubleshoot appropriately if there is an issue.

 

Exercise: Some security professionals believe it's best to block all ports, and then open only what you need. Others believe it better for end-users to make changes slowly and react to their inbound support calls. Which do you feel makes the most sense? Write a paragraph defending your position.

 

Document your results about how to accomplish this and include screenshots of the process.

 

Submit your completed assignment to the drop box below. Please check the Course Calendar for specific due dates

 

 

 

 

 

 

 

 

 

Subject Computer
Due By (Pacific Time) 09/16/2014 09:00 am
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