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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hi All,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Unusual request.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>We have a client server that is getting responses from RDP /Remote Desktop servers<o:p></o:p></p><p class=MsoNormal>The trouble is, my client isn’t sending the requests, so it’s obviously coming from a spoofed source claiming to be my client’s IP, and therefore sending responses back to my clients IP.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’ve blocked the traffic internationally, but, at a Multilateral peering exchange, how the HECK do I drop traffic for a specific /32!!<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Does anyone have any techniques to share to black hole traffic destined to this IP? Perhaps spoof some packets back to the sources with icmp unreachables or something similar?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>This one’s got me boggled <span style='font-family:Wingdings'>J</span><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Cheers for any help, feel free to post on-list if its relevant to the discussion, I’m sure there are others who this has affected and who it will affect in the future.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Graphs are included below to help visualize some of this traffic. (It’s the big green bit).<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sean.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img width=603 height=166 id="Picture_x0020_1" src="cid:image007.png@01CCFB83.4B9CB330" alt="Description: https://www.ozservers.com.au/images/network/oz_peering.gif"><span lang=EN-AU><o:p></o:p></span></p><p class=MsoNormal><img width=603 height=166 id="Picture_x0020_2" src="cid:image008.png@01CCFB83.4B9CB330" alt="Description: https://www.ozservers.com.au/images/network/oz_syd_peering.gif"><span lang=EN-AU><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-AU><o:p> </o:p></span></p></div></body></html>