221
edits
Changes
→Adding a rule
* Install the Apache web server on lin1 (the package is called httpd).
* Enable and start that service.
* Install links elinks (a command-line web browser) and see if you can connect to http://localhost (it should work by default).
* Using Firefox on c7host, check whether you can view the same webpage in lin1 (by default you wont).
* Next, check the iptables rules in lin1 and try to figure out why Firefox could not connect from c7host by reading the output of <code>iptables -L</code> on lin1 carefully looking for clues whether lin1 is letting inbound http traffic (TCP port 80) through.
