hello,I m using a cisco 1841 router to allow access to intenal web site from outside :Router: Wan(f0/1) = 192.168.0.143, Lan(f0/0)= 192.168.159.100,web server : 192.168.159.50ip nat inside source static tcp 192.168.159.50 80 interface FastEthernet0/1...