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Chickenkebab
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mDNS letter from VM

Hi, I received a letter about multicast DNS, I got this few days after I put my PS4 into a DMZ, because for some reason all call of duty games say my nat type goes from moderate then after 1 game online it turns strict, putting ps4 into DMZ keeps nat type open and call of duty games work fine again and can actually find people, I presume virgin media are wanting me to take this out of the DMZ, I've also blocked the port 5353 although if ps4 is in DMZ I doubt that changes anything anyway.. how do I go about making the ps4 work without these nat type issues, port forwarding confuses me and I don't know the type of service to select and port numbers that call of duty games separately needs etc, any help is greatly apprecaited, it's just the ps4 in the DMZ thats caused this and I need to know how to make nat type open for all of ps4 games

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Superuser
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Re: mDNS letter from VM

This seems to be caused by Spotify on the PS4:

http://community.virginmedia.com/t5/Security-matters/Multicast-DNS-letter/m-p/3315434#M24364

If you don't want to take the PS4 out of the DMZ then you can use port forwarding to ensure that inbound packets on port 5353 UDP are redirected to an unused IP address.  Full explanation here:

http://community.virginmedia.com/t5/Security-matters/mDNS-and-SSDP-vulnerabilities-a-suggestion-for-...

The way I prevent NAT issues with my PS3 & PS4 is to put the hub into modem mode and use my own router that works without putting the PS4 in the DMZ or any need for port forwarding.

______________________
Scott

Disclaimer - I don't work for Virgin Media. I'm just another VM user trying to help out so my answers may be wrong Smiley Happy If my answer solves your problem please mark it as helpful as it may help others
My setup: Vivid 200 Optical fibre with Superhub 2 in modem mode connected to a Netgear R7000 router. Telewest/VM user since 2001.  


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Superuser
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Re: mDNS letter from VM

This seems to be caused by Spotify on the PS4:

http://community.virginmedia.com/t5/Security-matters/Multicast-DNS-letter/m-p/3315434#M24364

If you don't want to take the PS4 out of the DMZ then you can use port forwarding to ensure that inbound packets on port 5353 UDP are redirected to an unused IP address.  Full explanation here:

http://community.virginmedia.com/t5/Security-matters/mDNS-and-SSDP-vulnerabilities-a-suggestion-for-...

The way I prevent NAT issues with my PS3 & PS4 is to put the hub into modem mode and use my own router that works without putting the PS4 in the DMZ or any need for port forwarding.

______________________
Scott

Disclaimer - I don't work for Virgin Media. I'm just another VM user trying to help out so my answers may be wrong Smiley Happy If my answer solves your problem please mark it as helpful as it may help others
My setup: Vivid 200 Optical fibre with Superhub 2 in modem mode connected to a Netgear R7000 router. Telewest/VM user since 2001.