Hi. I have an Astaro/Sophos UTM (home use edition is free) that I like for protecting my PCs. Right now it is in a double NAT config behind the Actiontec since I could never seem to get the tricky 3-router option to work and so to get VoD and remote DVR control, etc I ended up with this. The one thing I would like is to be able to stream to my tablet/phone while on home wifi (for which I use a bridged AP behind the UTM) from the DVR but since I'm not on the same subnet this doesn't work. If I put the UTM into a bridge mode and let the Actiontec take over DHCP, what ports/protocols will need to pass the UTM for this to work? Does it need multicast or just certain regular ports. (I don't want to spend a bunch of time trying to get it to work if it is a lost cause.). Thanks!
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