hello all and thx for having me 
my problem-: 
unable to remote access the dvr from another computer throught the internet 
the setup-: 
1 pc in office connected to internet via bt homehub (dsl modem/router) 
1 dvr unit running 4 cams with 500gb built in hd 
the pc and the unit are both hard wired to router/modem with cat cables etc 
as you might of guessed its the ip numbers/gateway numbers/port opening tht im struggling with 
the external ip of the router is 82. etc etc 
the internal ip`s are 192.168.etc subnet is 255.255.255.0 
i thinkyou know the setup 
i could really do with someone outlining the whole network setup etc 
i.e pc should be 192.168.1.1 dvr should be 192.168.1.2 gateway should be etc 
also what ports should be opened for the dvr to be accessed 
can i change the default port 80 to anything on the dvr 
does the dns setting on dvr need filling in 
i really need your help guys   
thx in advance 
p.s i managed to setup a rudimentry surveilance system at home with just a 10 pound webcam and a netgear router and had my friend access it from his pc at home using tracker_com software lol 
help me plz