topic If you are asking about in Network Security

Manually flush DNS Cache

tsiemers1 — Tue, 12 Mar 2019 13:22:23 GMT

Is their an option in command line to manually flush the DNS cache? Otherwise does disabling it and re-enabling flush the cache?

Marvin Rhoads — Wed, 26 Apr 2017 04:42:24 GMT

If you are asking about FirePOWER Management Center then you can flush it from the cli using shell commands and restarting the daemon.

/etc/rc.d/init.d/nscd restart

That should do it.

I'm not sure if the system setting for DNS Cache in the GUI will accomplish the same thing.

russell — Thu, 09 Nov 2017 22:53:58 GMT

I had to also add sudo to the beginning of the command