F5F Stay Refreshed Software Operating Systems The PfSense DNS server isn't maintaining itself for extended periods.

The PfSense DNS server isn't maintaining itself for extended periods.

The PfSense DNS server isn't maintaining itself for extended periods.

C
147
01-24-2026, 02:43 AM
#1
I attempted to restore the system to its original settings, but the PfSense continues to behave erratically. The issue seems linked to the DNS server being online, yet it fails quickly after a reset. This inconsistency is confusing, particularly after such a change. To diagnose further, consider checking network stability, verifying hardware connections, and reviewing recent updates or changes. Since you're using it as a home router for learning, ensure all components are properly configured and powered.
C
CadentAlphadog
01-24-2026, 02:43 AM #1

I attempted to restore the system to its original settings, but the PfSense continues to behave erratically. The issue seems linked to the DNS server being online, yet it fails quickly after a reset. This inconsistency is confusing, particularly after such a change. To diagnose further, consider checking network stability, verifying hardware connections, and reviewing recent updates or changes. Since you're using it as a home router for learning, ensure all components are properly configured and powered.

D
DrGiggleWits
Member
59
01-24-2026, 03:43 AM
#2
You might want to examine the log files to see if a memory leak is causing the issue or if the CPU usage is becoming too high. It could also stem from a configuration mistake. Providing some system details would be useful—your PfSense version, along with an overview of your DNS settings—would help.
D
DrGiggleWits
01-24-2026, 03:43 AM #2

You might want to examine the log files to see if a memory leak is causing the issue or if the CPU usage is becoming too high. It could also stem from a configuration mistake. Providing some system details would be useful—your PfSense version, along with an overview of your DNS settings—would help.