Changes

* Try to use Using Firefox on c7host to see , check whether you can view the same webpage from in lin1 (by default you may need the IP address of lin1wont). Also, Firefox should not work be able to connect to that same webpage if lin1 wasn't configured to permit HTTP traffic through, which lin1 isn't configured to do by default.* Check your Next, check the iptables rules in lin1 and try to figure out why Firefox cannot could not connect to lin1 from c7host. Read by reading the output of <code>iptables -L</code> on lin1 carefully looking for clues that iptables on whether lin1 is letting inbound http traffic (TCP port 80) pass through.* If the output of <code>iptables -L</code> on lin1 isn't letting HTTP traffic through, which by default configuration it wontdoes not, add a rule on to the iptables in lin1 to allow inbound traffic to pass through to Apache (TCP port 80).* Go back to c7host after you verified that verifing lin1 is letting permits http traffic through and once again verify that test whether Firefox on c7host displays the webpage from lin1 (you may need to give Firefox the IP address of lin1to view the webpage). Now it should.