My previous router, a Draytek model, had a rule in its firewall that blocked local port 137-139 connecting to remote port 53. I have heard port 53 mentioned a few times in various threads. Should I have a rule like this in my new routers firewall and if so, what should I put in the various boxes? I have attempted to emulate the Draytek firewall rule in my Asus router, but I don't know what it is doing or even, whether it is necessary (see attached screenshot). Could someone advise me please?
Screenshot - 25_05_2014 , 11_45_51.jpg
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