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Outbound port redirection
- chriscund
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23 Sep 2018 18:34 #93015
by chriscund
Outbound port redirection was created by chriscund
Hi There!
I have a challenge, I am trying to use clean DNS servers to stop browsing where they should not, however it is all too easy to set other dns servers on devices.
Rather than set a firewall rule to block all other dns servers on port 53, is there a way to create a NAT rule that redirects outbound traffic on port 53 to an internal server?
Cheers
Chris
I have a challenge, I am trying to use clean DNS servers to stop browsing where they should not, however it is all too easy to set other dns servers on devices.
Rather than set a firewall rule to block all other dns servers on port 53, is there a way to create a NAT rule that redirects outbound traffic on port 53 to an internal server?
Cheers
Chris
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- hornbyp
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23 Sep 2018 23:29 #93018
by hornbyp
Replied by hornbyp on topic Re: Outbound port redirection
I don't think there's any choice, other than to block outbound at the firewall. I've done that, and note with interest all the devices that ignore the settings they were given by DHCP and try to access 8.8.8.8
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- chriscund
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29 Sep 2018 17:33 #93074
by chriscund
Replied by chriscund on topic Re: Outbound port redirection
Thanks hornbyp, i was after monitoring all those iot devices so yes will block dns.
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