Intercept Dns port

Discussion in 'Tomato Firmware' started by shadowken, Nov 9, 2013.

  1. shadowken

    shadowken Networkin' Nut Member

    Recently , I noticed that the intercept dns port option in dnsmasq GUI doesn't work at all ... I have checked through "iptables -t nat -nvL" and the output below should work flawlessly but it's not :
    DNAT udp -- * * ! udp dpt:53 to:

    before I use this option I was using iptables to intercept the dns port by adding the below to firewall scripts and it's was working ok :
    "iptables -t nat -I PREROUTING -s -p udp --dport 53 -j DNAT --to"

    But If I don't use intercept dns option and add the below to firewall script :
    "iptables -t nat -I PREROUTING -s -p udp --dport 53 -j DNAT --to" ... I changed the dns ip address on the computer and it works as it should be , now anyone tries to change the dns ip address they won't be able to avoid the content filtering I configured on opendns .

    Have anyone noticed this issue ?

    The Intercept dns port option was working before and I hope this issue get fixed on next builds .
    I'm using Toastman the latest build 1.28.7503.2 VLAN .


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    Last edited: Nov 9, 2013
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