Re: [thredds] Help diagnosing server congestion

• To: tom cook <tmcook@xxxxxxxx>
• Subject: Re: [thredds] Help diagnosing server congestion
• From: Sean Arms <sarms@xxxxxxxx>
• Date: Thu, 28 Aug 2014 08:32:47 -0600

Hi Tim,

Which version of the TDS are you using?

Thanks!

Sean


On Thu, Aug 28, 2014 at 8:21 AM, tom cook <tmcook@xxxxxxxx> wrote:

> Hi All,
> I'm hoping you can help me with a more sysadmin type issue. Over the
> past few days we have been unable to maintain a responsive TDS server
> for 24 hours. The remedy is to restart tomcat and then we are good to
> go. In the past, I've had issues with foreign IP addresses scanning
> directories and initiating large NCSS downloads, but I've blocked
> everything outside of the US. Looking through the logs, I'm seeing
> mostly US Govt affiliated connections, and some ISP/AmazonCloud
> servers. I kinda sorta know how to use netstat, but I'm having trouble
> id'ing the culprit or the culprits. Admittedly, the hardware is old
> (soon to be replaced), but I have a hunch this is related to NCSS,
> since that was always the service that brought us down in the past.
> So, I was wondering if any of you can help with suggestions/best
> practices/tips that you use to monitor and secure your incoming
> connections with TDS.
> Thanks,
> Tom
>
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