tcpdump

[Kevin Martin]

tony.chamberlain at lemko.com wrote:
> I want to look at all the traffic coming to my web browser (192.168.5.191)
> (tomcat on port 80) using tcpdump.
>
> If I say  tcpdump port 80
>
> that will get 80 coming and going.  Also if I say
> tcpdump dst port 80
> I will still get any traffic I have to other web sites.
>
> I thought  tcpdump (dst port 80) and (dst host 192.168.5.191)
> would work but that does not seem to get anything.  I went to
> 192.168.5.191/~chamberl  from another machine, got my web page
> but nothing in the tcp dump.
>
> What is the correct way to do this (all incoming to my web browser)?
> Theoretically besdies 192.168.5.191 I would also like 127.0.0.1
>
>
>   

Are you listening on the correct device?  I just tried:

tcpdump dst port 22 and dst host 10.10.20.20

and didn't get anything but when I added the "-i <device>" that 
10.10.20.20 is bound to then I got the correct information.

Kevin