Cannot get to CentOS/Apache2 (VirtualBox) website after changing listening port

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http://serverfault.com – I have a webserver built via virtualbox that I had running fine with Port 80. I am currently trying to change the port # to 8088 so that our IT people can open it to the outside world to allow external connections. I have edited my httpd.conf and changed the listen directive as well as added a virtualhost entry for *:8088. I have also added the port into selinux. However, I am still unable to connect to the site by going http://IP:8088, it times out saying it could not connect. I have checked netstat and it appears that apache is listening to it: tcp 0 0 :::8088 :::* LISTE (HowTos)