North American Network Operators Group

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Re: Network Probes

  • From: Matthew R. Potter
  • Date: Thu Mar 09 17:22:44 2000

>Hi,
>
>Has anyone else noticed probes against their network with a spoofed
>source address
>and Src (80) and Dst(2183)
Yes, all from Reserved(Private) IP's.. Over and over and over.. At two
minute intervals. 

Mar  9 11:48:52 xxxxxxxx ipmon[23116]: 11:48:52.169293              xl1
@0:4 b 10.2.8.31,80 -> xxx.xxx.xxx.xxx,51419 PR tcp len 20 40 -AF
Mar  9 11:49:28 xxxxxxxx ipmon[23116]: 11:49:28.286393              xl1
@0:3 b 172.16.0.142,80 -> xxx.xxx.xxx.xxx,6736 PR tcp len 20 163 -AFP

begins again... in 2 minutes.. same IP's, Flags and ports. 

M.