[NCLUG] setting up wireless to use dns

Bob Proulx bob at proulx.com
Thu Jul 19 14:54:48 MDT 2007


Stephen Warren wrote:
> Otherwise, I'd try this in a window whilst trying to resolve a hostname
> in another:
> 
> tcpdump -i wlan0 not port 22 # or whatever port runs SSH

Because specifically there are dns problems and this is for debugging
those add the -n option to avoid doing dns lookups as part of the
tcpdump command itself.

  tcpdump -n -i wlan0 not port ssh

       -n  Don't convert addresses (i.e., host addresses, port numbers,
           etc.) to names.

Bob



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