Date: Wed, 5 Jan 2011 11:15:00 -0500 From: Kevin Wilcox <kevin.wilcox@gmail.com> To: freebsd-questions@freebsd.org Subject: Re: Bot? Message-ID: <AANLkTi=%2B=FGeQevAnxii6m2XK7i%2B617Mt4EkQfd2Ucv0@mail.gmail.com> In-Reply-To: <4D249298.9080706@nrdx.com> References: <4D249129.6090008@webtent.net> <4D249298.9080706@nrdx.com>
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On 5 January 2011 10:47, Jerry Bell <jerry@nrdx.com> wrote: > There could be reasons you > aren't seeing a spike, such as you're only looking at traffic processed by > the MTA, or it simply doesn't show as a material increase on a graph of > traffic on the network interface if the server is busy. Those are good points and to go a little further regarding looking at traffic... To really see what your machine is doing, consider taking a look at the network flows. pfflowd, netflowd, ipaudit and a host of others can get you flow data with mostly minimal overhead. kmw
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