vennem

i bought a night owl setup, and i setup everythig and it works with the viewing program but i want to be able to view at work using ie or firefox. my isp blocks port 80, so i setup the web port as 81 and the dvr has 192.168.1.101 assigned to it and i fowarded the web port, and the media port to the dvr but i can not get it to work, i tryed to even view it wile in the network by going to 192.168.1.101 and that dosent even work. thanks for any help