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# Create a small html document called '''/var/www/html/index.html''' that displays a short message. If you do not know how to use HTML markup language, just type a simple <u>text</u> message...
# <u>Restart</u> your '''c7host''' VM.
# On Switch to your '''c7hostcentos1''' VM and click on the following link to open a web-browser view your html or text message: '''http://localhost'''<br><br>
# '''IMPORTANT:''' Before proceeding, '''flush the iptables rules''' for '''INPUT''', '''OUTPUT''', and '''FORWARD''' chains for both your '''c7host''' and '''centos1''' VMs.
# Issue an iptables command to verify that both the the iptables rules have no rules for those chains for your '''c7host''' and '''centos1''' VM's<br><br>
# On your '''c7host''' VM, add (append) an iptables rule to '''REJECT''' <u>incoming</u> requests to http ( via TCP, port:80) by issuing the command:<br><b><code><span style="color:#3366CC;font-size:1.2em;">iptables -A INPUT -p tcp --sport dport 80 -j REJECT</span></code></b># CLick Switch to your centos1 VM, and cLick on the following link to launch your message in a web-browser: '''http://localhost'''<br>
What happenned? If your message didn't load, why do you think it didn't load?
# Issue the following itables rules to make an exception to view incoming web requests on your local machine (interface card: lo - loopback address): <br><b><code><span style="color:#3366CC;font-size:1.2em;">iptables -A INPUT -i lo -j ACCEPT</span></code></b>
