Security Incidents mailing list archives

Re: Unusual ICMP Traffic


From: Gary Flynn <flynngn () jmu edu>
Date: Tue, 22 Oct 2002 21:59:38 -0400

jeff () thepostmaster net wrote:

Has anyone seen this type of ICMP traffic?


No, but I'm going to start looking ASAP. A google search on revconnecttome
turned up some interesting hits:

From:
http://www.lwave.ca/DCHub/protocol.html


   $RevConnectToMe

A passive client may send this to cause a peer to send a $ConnectToMe back.

$RevConnectToMe <nick> <remoteNick>
   * <nick> is the sender of the message.
   * <remoteNick> is the user which should send to $ConnectToMe.

The server must send this message unmodified to <remoteNick>. If <remoteNick> is an active client, it must send a $ConnectToMe to <nick>. If not, it must ignore the message.




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