RE: snort on an old FreeBSD box (builds but won't r un)

[Chris Arnold <chris.arnold () WheelHouse com>]

Nope.  I just built snort 1.8.4 (debugging enabled this time) with libpcap
0.7.1 and libnet 1.0.2a.    Everything builds nicely.  It will execute
without a segfault but just doesn't work.  At least it's running nicely on
Solaris for me :)

Chris

# snort -v 
snort.c:681: Parsing command line...
snort.c:701: Processing cmd line switch: v
snort.c:1165: Verbose Flag active
Failed to lookup for interface: SIOCGIFCONF: Operation not supported. Please
specify one with -i switch
Fatal Error, Quitting..
# snort -v -i fxp0
snort.c:681: Parsing command line...
snort.c:701: Processing cmd line switch: v
snort.c:1165: Verbose Flag active
snort.c:701: Processing cmd line switch: i
snort.c:895: Interface = fxp0
snort.c:1251: pcap_cmd is NULL
Log directory = /var/log/snort
snort.c:172: Opening interface: fxp0

Initializing Network Interface fxp0
snaplength info: set=1514/compiled=1514/wanted=0
ioctl(SIOC*MTU): Operation not supported
Automagic MTU discovery failed. Using default 1500ERROR: OpenPcap() device
fxp0 open: 
        BIOCSETIF: fxp0: Invalid argument
Fatal Error, Quitting..

-----Original Message-----
From: Martin Roesch [mailto:roesch () sourcefire com]
Sent: Monday, March 18, 2002 10:31 AM
To: Chris Arnold; snort-users () lists sourceforge net
Subject: Re: [Snort-users] snort on an old FreeBSD box (builds but won't
run)


That's really weird, try it without the -I option.  From the error message
it looks like it's trying to go into readback mode (like you had used the -r
switch).  Try just snort -v and see what happens.

     -Marty


On 3/18/02 1:00 AM, "Chris Arnold" <chris.arnold () WheelHouse com> wrote:

> Hi, all.  I had a whim to build snort 1.8.3 (with libpcap 0.7.1) for an
old
> FreeBSD box.  Everything compiles nicely but running is a different story:
>
> # snort -v -i fxp0
> Log directory = /var/log/snort
>
> Initializing Network Interface fxp0
> ioctl(SIOC*MTU): Operation not supported
> Automagic MTU discovery failed. Using default 1500ERROR: OpenPcap() device
> fxp0 open: 
>       fxp0: Invalid argument
> Fatal Error, Quitting..
>
> Rebuild with debugging enabled and report back?  The default tcpdump for
the
> box runs without a problem.
>
> Chris
>
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-- 
Martin Roesch - Founder/CEO, Sourcefire Inc. - (410)290-1616
Sourcefire: Professional Snort Sensor and Management Console appliances
roesch () sourcefire com - http://www.sourcefire.com
Snort: Open Source Network IDS - http://www.snort.org

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