Re: Snort problems

[Adam Kennedy <akennedy () niesc k12 in us>]

Erek Adams wrote:
> On Thu, 6 Mar 2003, Adam Kennedy wrote:
>
>
> > I've got so far one server that snort is installed on, but after running
> > snort (snort -D -d -c /etc/snort/snort.conf -i eth0 -l /var/log/snort)
> > it spits the following into the syslog, then dies silently:
> > Mar  6 14:12:56 changeme kernel: device eth0 left promiscuous mode
>
>
> What version of snort?
>
> If you are using binary logging, then remove the -d parameter.
>
> Remove the -D and then start snort by hand.  See if it initializes and
> runs at all.
>
> Does it leave a core file when it dies?  If so, get a backtrace from gdb
> and see what the output is.  If it doesn't core, start snort under gdb and
> see what causes it to die.

Snort 1.9.1

I've removed the -D from snort, and ran it. Here's the output (not sure 
if list strips attachments, but just in case):

## Begin Log
Log directory = /var/log/snort

Initializing Network Interface eth0

        --== Initializing Snort ==--
Initializing Output Plugins!
Decoding Ethernet on interface eth0
Parsing Rules file /etc/snort/snort.conf

+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...
Initializing Preprocessors!
Initializing Plug-ins!
No arguments to frag2 directive, setting defaults to:
    Fragment timeout: 60 seconds
    Fragment memory cap: 4194304 bytes
    Fragment min_ttl:   0
    Fragment ttl_limit: 5
    Fragment Problems: 0
Stream4 config:
    Stateful inspection: ACTIVE
    Session statistics: INACTIVE
    Session timeout: 30 seconds
    Session memory cap: 8388608 bytes
    State alerts: INACTIVE
    Evasion alerts: INACTIVE
    Scan alerts: ACTIVE
    Log Flushed Streams: INACTIVE
    MinTTL: 1
    TTL Limit: 5
    Async Link: 0
    State Protection: 0
    Self preservation threshold: 0
    Self preservation period: 0
    Suspend threshold: 0
    Suspend period: 0
Stream4_reassemble config:
    Server reassembly: INACTIVE
    Client reassembly: ACTIVE
    Reassembler alerts: ACTIVE
    Ports: 21 23 25 53 80 110 111 143 513 1433
    Emergency Ports: 21 23 25 53 80 110 111 143 513 1433
http_decode arguments:
    Unicode decoding
    IIS alternate Unicode decoding
    IIS double encoding vuln
    Flip backslash to slash
    Include additional whitespace separators
    Ports to decode http on: 80
rpc_decode arguments:
    Ports to decode RPC on: 111 32771
    alert_fragments: INACTIVE
    alert_large_fragments: ACTIVE
    alert_incomplete: ACTIVE
    alert_multiple_requests: ACTIVE
telnet_decode arguments:
    Ports to decode telnet on: 21 23 25 119
Conversation Config:
   KeepStats: 0
   Conv Count: 32000
   Timeout   : 60
   Alert Odd?: 0
   Allowed IP Protocols:  All

Portscan2 config:
    log: /var/log/snort/scan.log
    scanners_max: 3200
    targets_max: 5000
    target_limit: 5
    port_limit: 20
    timeout: 60
Opening /var/log/snort/snort.log.1047064436
ERROR: cannot open raw socket for libnet, exiting...
Fatal Error, Quitting..
## End Log

Any ideas? I have a feeling it's something with flexresp and libnet. I'm 
using Libnet 1.0.2a


--
------------------------------------------------
| Northern Indiana Educational Services Center |
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| Adam Kennedy - akennedy () niesc k12 in us      |
| Certified Linux Administrator - Master Level |
| Phone: (574) 254-0111 x113                   |
| Fax: (574) 254-0148                          |
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