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I was trying to capture the traffic of my website

I opened a remote Machine , logged into my website .

Then from my windows machine , opened putty instance logged into that remote Machine

and issued the following command under putty 

sudo tcpdump -n -s 1500 -X src host  mywebsite.com

Please tell me why it is not dumping any data ??

I was surprised because the same command was working on Ubuntu Desktop Terminal but not inside GNU/Linux ??

Pawan
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  • Is it giving any error message? Also try selecting the interface using `-i`. – Yehia Jun 06 '13 at 23:12
  • What happens if the *first* thing you do is log into the remote machine over Putty and start tcpdump, and *then* connect to your Web site on the remote machine? –  Jun 04 '14 at 18:47
  • Does the remote machine have more than one network interface it could use to connect to your Web site? –  Jun 04 '14 at 18:48

1 Answers1

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host need single quote 'host mywebsite'

user3267649
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  • No, it doesn't - tcpdump will take all the arguments after the flags, glue them together with spaces between them, and use that as the filter. –  Jun 04 '14 at 18:45