here is the out put even after blocking all smtp
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21:17:31.259275 192.168.0.101.4730 > 207.24.89.66.smtp: S 556950735:556950735(0) win 64240 <mss 1460,nop,nop,sackOK> (DF)
21:17:32.064278 192.168.0.101.4732 > 216.240.135.98.smtp: S 557195445:557195445(0) win 64240 <mss 1460,nop,nop,sackOK> (DF)
21:17:33.021182 192.168.0.101.4735 > 202.163.96.6.smtp: S 557501406:557501406(0) win 64240 <mss 1460,nop,nop,sackOK> (DF)
21:17:33.519967 192.168.0.101.4727 > 216.127.83.228.smtp: S 556716191:556716191(0) win 64240 <mss 1460,nop,nop,sackOK> (DF)
21:17:34.224181 192.168.0.101.4730 > 207.24.89.66.smtp: S 556950735:556950735(0) win 64240 <mss 1460,nop,nop,sackOK> (DF)
21:17:35.028993 192.168.0.101.4732 > 216.240.135.98.smtp: S 557195445:557195445(0) win 64240 <mss 1460,nop,nop,sackOK> (DF)
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From: Gavin Hamill <gdh@xxxxxxxxxxxxxx> To: netfilter@xxxxxxxxxxxxxxxxxxx Subject: Re: smtp Date: Fri, 14 May 2004 16:53:13 +0100
On Friday 14 May 2004 16:41, azeem ahmad wrote: > hi > sorry for disturbing you a lot > but i dont know how can i capture the screen. should i write it down
That's OK there are a couple of easy alternatives. Either 'ssh' into the machine (google for 'putty' - a good SSH client for windows) and copy and paste the output.. or redirect the output from tcpdump to a file, the same way you can with any UNIX command...
$ tcpdump -n -i eth1 port 25 >dump.txt
Then you can just insert this text file into the body of your email.
Cheers, Gavin.
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