Services > mDNS

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HalfBit
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PostPosted: Sat Nov 19, 2022 17:40    Post subject: Services > mDNS Reply with quote
Is anyone using the mDNS setting at the very bottom of the Services page that could explain what their use case is, or what this setting does exactly?
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egc
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PostPosted: Sat Nov 19, 2022 17:47    Post subject: Reply with quote
Some explanation is in a sticky in the Advanced Networking forum to which I have moved this thread Smile

But it is a standard Linux application

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HalfBit
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Joined: 04 Sep 2009
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Location: AR, USA

PostPosted: Sun Nov 20, 2022 13:56    Post subject: Reply with quote
Found it! Thank you.
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R7000 Nighthawk - DD-WRT v3.0-r50308
R7000 Nighthawk - DD-WRT v3.0-r50308
~~~~~~~~~~Dismantled for learning opportunities~~~~~~~~~~
WRT54Gv2
WRT54Gv8.2
~~~~~~~~~~Other Settings~~~~~~~~~
https://nextdns.io/?from=2d3sq39x
https://pi-hole.net/
https://github.com/DNSCrypt/dnscrypt-proxy
Fried Chicken
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Joined: 12 Jun 2019
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PostPosted: Mon Nov 21, 2022 6:26    Post subject: Reply with quote
Is there a risk of a bad actor joining a network, spoofing DNS queries and redirecting to a phishing (or similarly bad actor) IP address?
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Alozaros
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PostPosted: Mon Nov 21, 2022 13:31    Post subject: Reply with quote
Fried Chicken wrote:
Is there a risk of a bad actor joining a network, spoofing DNS queries and redirecting to a phishing (or similarly bad actor) IP address?


There is always a risk if the bad actor joins the network...with or without mDNS turned on...
mDNS helps for local discovery and acts only on the local level (internal LAN)...and you can specify the interface that it will work on too...have a read the mDNS guide made by our noble guru egc https://forum.dd-wrt.com/phpBB2/viewtopic.php?t=331904

So, its up to you to not let the bad actors to access your main network...or if you have those concerns about your IoT or untrusted devices you need to isolate those on a vlan with or without WAN access... Confused

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TP-Link WR1043NDv2 -Gargoyle OS 1.15.x AP,DNS,QoS,Quotas
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Broadcom
Netgear R7000 --DD-WRT 55460 Gateway/SmartDNS/DoH,AD-Block,Firewall,Forced DNS,x3VLAN,VPN
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Stubby DNS over TLS I DNSCrypt v2 by mac913
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