Disable Firefox DNS Cache

I found some quick and easy way (two settings to add in about:config) on how to disable DNS caching in Firefox:

network.dnsCacheExpiration (integer) = 0
network.dnsCacheEntries (integer) = 0

If you have tons of Firefox windows with even more tons of tabs open like me and being in the need to tweak host’s IP address while a site is moving, this prevents you from re-starting the Fox. The setting is working immediately.

Via: How to disable Firefox DNS Cache?

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