Hello 
I just upgraded my pfsense router from 2.3.4 to 2.4.3, and under DNS servers on the dashboard it lists a dns server I haven’t seen before: 127.0.0.1.
I use open dns’s dns servers, and they are also listed. I can’t seem to find any where to remove 127.0.0.1.
Under system/general setup the only two dns servers listed is the two from open dns that I configured earlier.
Is the 127.0.01 on the dashboard a bug? Or something else entirely?
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That’s localhost, AKA your pfSense
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Ah. It wasn’t listed on the 2.3.4 version, so I wondered where it came from.
Thanks for the quick reply
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All good fam, enjoy. pfSense is incredible.
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It sure is.
The update feature somehow broke on 2.3.4, it couldn’t find any updates, and it couldn’t from console either. So I decided to just do a clean install. And holy smokes, the new installer is much faster than the previous one.
The only problem I ran into was that it had switched my wan and lan interface, so I had an hour of head scathing, before I simply tried swapping the wan & lan cable, and voila - it works again
Restoring from my config backup I did before upgrading, and everything is back to normal
A much higher succes than last weeks linux adventure. I have since put Ubuntu in a Virtual machine, and slowed myself down to learn it properly, so I don’t repeat my last fiasco
Edit for typos.
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I would test your DNS speeds. I used to have a local app I downloaded that would do this.
https://www.grc.com/dns/benchmark.htm
Usually, if you run DNS on your router, as you would be with 127.0.0.1, it is typically faster, lower latency than using a public DNS server. The app I linked will let you do some testing to see what is fastest.
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I forgot about GRC for a minute. Wow this tool is fantastic. Cloudflare and quad9 are the fastest for me.
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I havent used it since cloudflare rolled their DNS server. Ill have to try it this weekend.