Hello,

I just had a very unusual production outage.

All traffic was flowing through the SRX3400 (in chassis cluster mode) no
problem.

Suddenly, DNS started to fail.  Was not passing through the firewall at all
-- all other traffic was.

The resolution was to disable the DNS ALG.

Nothing interesting in the flow log.

Anyone seen this?  Tips?  Tricks?  ALGs are evil?

Scott
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