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Comment on I’m about to throw my entire Pihole out the window

fuzzy_feeling@programming.dev ⁨1⁩ ⁨year⁩ ago

I vote for 60 day lease time, iirc the clients try to get a new lease when half of the time is over, so they can keep the ip.

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NaibofTabr@infosec.pub ⁨1⁩ ⁨year⁩ ago
Maybe, but I suspect it’s working like this:

Pi boots then requests locally configured IP from DHCP server

DHCP server grants 30 day lease for requested IP

Pihole runs fine for awhile, DNS requests are properly handled

IP lease expires, DHCP server returns IP to available address pool but doesn’t reassign it to anything yet

time passes

Random wireless device connects to router, DHCP server assigns IP to new device

DNS requests to Pihole fail because the IP was assigned to the recently connected wireless device

This would explain why Pihole appears to cause problems every month, sometimes a little longer.
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