M Lu wrote:

Thank you Tom for your advice. When using '-n' with tcpdump, the IP has been printed and it also looks good. Well, I will try to ask him to replace the DMZ machine with another one for testing and see if the problem goes away.

Thanks again, Tom.

--

tcpdump -n -i eth2 host 24.61.157.240


20:24:25.944632 24.61.157.240.3453 > 10.0.18.201.80: S 506447029:506447029(0) win 16384 <mss 1460,nop,nop,sackOK> (DF)
20:24:25.945120 10.0.18.201.80 > 24.61.157.240.3453: S 2207623183:2207623183(0) ack 506447030 win 65535 <mss 1460,nop,nop,sackOK> (DF)
20:24:28.890543 10.0.18.201.80 > 24.61.157.240.3453: S 2207623183:2207623183(0) ack 506447030 win 65535 <mss 1460,nop,nop,sackOK> (DF)
20:24:28.912287 24.61.157.240.3453 > 10.0.18.201.80: S 506447029:506447029(0) win 16384 <mss 1460,nop,nop,sackOK> (DF)
20:24:28.912429 10.0.18.201.80 > 24.61.157.240.3453: . ack 1 win 65535 (DF)
20:24:34.898505 10.0.18.201.80 > 24.61.157.240.3453: S 2207623183:2207623183(0) ack 506447030 win 65535 <mss 1460,nop,nop,sackOK> (DF)
20:24:34.920981 24.61.157.240.3453 > 10.0.18.201.80: S 506447029:506447029(0) win 16384 <mss 1460,nop,nop,sackOK> (DF)
20:24:34.921121 10.0.18.201.80 > 24.61.157.240.3453: . ack 1 win 65535 (DF)



Try also using the -e option:

tcpdump -nei eth2 host ....

-Tom
--
Tom Eastep    \ Nothing is foolproof to a sufficiently talented fool
Shoreline,     \ http://shorewall.net
Washington USA  \ [EMAIL PROTECTED]



-------------------------------------------------------
This SF.Net email is sponsored by BEA Weblogic Workshop
FREE Java Enterprise J2EE developer tools!
Get your free copy of BEA WebLogic Workshop 8.1 today.
http://ads.osdn.com/?ad_id=4721&alloc_id=10040&op=click
------------------------------------------------------------------------
leaf-user mailing list: [EMAIL PROTECTED]
https://lists.sourceforge.net/lists/listinfo/leaf-user
SR FAQ: http://leaf-project.org/pub/doc/docmanager/docid_1891.html

Reply via email to