<html><head><style type="text/css"><!-- DIV {margin:0px;} --></style></head><body><div style="font-family:times new roman, new york, times, serif;font-size:12pt">Thanks!<br><br>The oddball thing seems to be that the guy's firewall seems to be ok with the duplicate packets (which means the firewall programmers understood this issue), and it doesn't think it's an attack. The connection is being rejected by the email server. <br><div> <br><br></div><span style="font-family:comic sans ms;">Richard Hubbard </span><br>ATTO Technology Inc<div><br></div><div style="font-family: times new roman,new york,times,serif; font-size: 12pt;"><br><div style="font-family: arial,helvetica,sans-serif; font-size: 10pt;">----- Original Message ----<br>From: Robert Wolfe <robertwolfe@localnet.com><br>To: nflug@nflug.org<br>Sent: Monday, October 13, 2008 9:47:30 AM<br>Subject: Re: [nflug] Wierd stuff, not necessarily linux related, but I call
upon smarter people than I..<br><br>On Mon, 2008-10-13 at 06:38 -0700, Richard Hubbard wrote:<br><br>> So, the question is...Has anyone had similar experiences? Does anyone<br>> here run Qmail or Postfix (I'm not sure which one was rejecting the<br>> duplicated packets) Is there a "syn attack" setting that can be<br>> configured that I can tell people about which will allow their servers<br>> to lighten up a little?<br><br>We actually run both here at LocalNet/CoreComm. I'll try and do some digging<br>and see what I can find, but AFAIK we have never had this sort of<br>problem (we use Cisco routers and switches here).<br><br>_______________________________________________<br>nflug mailing list<br><a ymailto="mailto:nflug@nflug.org" href="mailto:nflug@nflug.org">nflug@nflug.org</a><br><a href="http://www.nflug.org/mailman/listinfo/nflug" target="_blank">http://www.nflug.org/mailman/listinfo/nflug</a><br></div></div></div><br>
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