[Snort-users] Snort Error

John Sage jsage at ...2022...
Wed Sep 24 08:49:06 EDT 2003


On Wed, Sep 24, 2003 at 07:01:46AM -0700, Messay wrote:
> I am somewhat a novice with Snort on Linux. I have installed
snort-2.0.2.tar.gz and libpcap-0.7.2.tar.gz on Linux 8.2. I'm running
a laptop with 3com pcmcia card.
> (model: 3CCFE575CT). I have win xp on the same machine and have no
problems with snort (win version)
> I have followed all proper directions for installing snort on Linux
and have received no errors during the process. However when I try to
run snort i get the following error
> ============
> Error: Failed to lookup for interface: no suitable device
found. Please specify one with -i 
> switch. Fatal Error, Quitting...
> ============
> If anybody has any information or suggesting regarding the error I
would appreciate some feedback. Thanks 

First of all, is Linux itself able to see your PCMCIA card? Do you
have basic connectivity?

Assuming "Yes"...

How are you starting snort? What is your command line?

Mine reads:

snort202 -b -i ppp0 -o -c /etc/snort/snort202.conf &

Note the "-i ppp0" -- I'm telling snort to look at a specific

Are you doing something similar?

- John
"Warning: time of day goes back, taking countermeasures."

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