No it is not, i can acess port 80 on the IP address of the EX2, it responds, but the web server of the EX2 gives that messages, so the problem is on the EX2 web server that only permits access to the same subnet of it’s own ip address.
[root@ghost ~]$ nmap -sT -sV -P0 -p 80 192.168.2.18
Starting Nmap 6.40 ( http://nmap.org ) at 2015-06-04 10:15 WEST
Nmap scan report for 192.168.2.165
Host is up (0.024s latency).
PORT STATE SERVICE VERSION
80/tcp open http Apache httpd
[root@ghost ~]$ GET http://192.168.2.165
403 ForbiddenForbidden
You don't have permission to access / on this server.