this post was submitted on 09 Aug 2024
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submitted 3 months ago* (last edited 3 months ago) by [email protected] to c/selfhosted
 

Hi guys for those of you that use pi-hole (or similar solutions like adguard home, etc) and wireguard how far away can you be from your wireguard/pi-hole server before latency becomes a major issue?

Also on a side note how many milliseconds of latency would you guys consider to be to slow?

Edit I meant dns latency sorry for not mentioning

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[–] computergeek125 2 points 3 months ago

Others have some good information here - all I'd like to add to the root is that Windows and Mac have a built-in DNS cache and it's pretty straightforward to add a DNS cache to systemd distros (if it's not already installed or in use) using systemd-resolved or dnsmasq if you really dislike systemd. Some distros enable this from install time.

Systems that utilize a DNS cache will keep copies of DNS query results for a period of time, making the application-level name lookup speed essentially 0ms for a cached result. Cold results obviously incur the latency of the DNS server itself.