Hi Wei,

Any chance you got a core dump from this?

I am not tracking any known crashing bugs myself.

RHEL6 or RHEL7?

Brian

Sent from my iPhone

> On Apr 2, 2018, at 5:16 PM, Yang, Wei <[log in to unmask]> wrote:
> 
> For the record:
> 
> We have an instance of Xcache to serve CVMFS for SLAC batch nodes. It crashed this morning after receiving ~9.5K non-handshake connections from sn160.s02.sjc01.qualys.com in 5 seconds (did our friend Artem Harutyunyan used to work at Qualys? I know he left a long time ago). 
> 
> I don¹t know if there is a remedy to this. I will setup a firewall rule before I restarting the Xcache.
> 
> regards,
> --
> Wei Yang  |  [log in to unmask]  |  650-926-3338(O)
> 
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