On Fri, 11 Apr 2003, Richard Ginski wrote:
> On a Windows 2000 machine, we have been redirecting output from TCPDUMP to a text
> file. Unfortunately, when trying to open the files with Ethereal , we receive the
> error message:
>
> "The file "filename" is not a capture file in a format Ethereal understand"
>
> What could we be doing wrong?
>
> We have tried Ethereal 0.9.7 and 0.9.11
>
> Running TCPDUMP command:
>
> tcpdump host "IP address" > text file
>
> Thanks in advance for your help.
Ethereal isn't able to parse the text output of tcpdump. Try
tcpdump -w "output_file" host "IP address"
instead. This will generate a binary dump file that Ethereal can read.
