[Snort-users] MacOSX bus error, snort- install

John Kraus johnkraus3 at ...11827...
Mon Dec 29 22:03:29 EST 2008

I keep getting a bus error on my MacOSX after installing Snort- and
running in IDS mode, despite having followed, as best I can, the
installation instructions, previous posts to this list, and other advice
pertaining to this problem.

Attached are (1) my installation script, (2) my snort.conf file, and (3) the
output from the installation and execution.  All the information I could
think of about my system and my installation is in these files.

Note the bus error at the end....

Macintosh-107:johnkraus3 root# snort -v -i en1 -c
Running in IDS mode

        --== Initializing Snort ==--
Initializing Output Plugins!
Initializing Preprocessors!
Initializing Plug-ins!
Parsing Rules file /usr/local/share/rules/snort.conf
PortVar 'HTTP_PORTS' defined :  [ 80 ]
PortVar 'SHELLCODE_PORTS' defined :  [ 0:79 81:65535 ]
PortVar 'ORACLE_PORTS' defined :  [ 1521 ]
Frag3 global config:
    Max frags: 65536
    Fragment memory cap: 4194304 bytes
Frag3 engine config:
    Target-based policy: FIRST
    Fragment timeout: 60 seconds
    Fragment min_ttl:   1
    Fragment ttl_limit (not used): 5
    Fragment Problems: 1
Stream5 global config:
    Track TCP sessions: ACTIVE
    Max TCP sessions: 8192
    Memcap (for reassembly packet storage): 8388608
    Track UDP sessions: INACTIVE
    Track ICMP sessions: INACTIVE
Stream5 TCP Policy config:
    Reassembly Policy: FIRST
    Timeout: 30 seconds
    Min ttl:  1
        Static Flushpoint Sizes: YES
    Reassembly Ports:
      21 client (Footprint)
      23 client (Footprint)
      25 client (Footprint)
      42 client (Footprint)
      53 client (Footprint)
      80 client (Footprint)
      110 client (Footprint)
      111 client (Footprint)
      135 client (Footprint)
      136 client (Footprint)
      137 client (Footprint)
      139 client (Footprint)
      143 client (Footprint)
      445 client (Footprint)
      513 client (Footprint)
      514 client (Footprint)
      1433 client (Footprint)
      1521 client (Footprint)
      2401 client (Footprint)
      3306 client (Footprint)
HttpInspect Config:
      Max Pipeline Requests:    0
      Inspection Type:          STATELESS
      Detect Proxy Usage:       NO
      IIS Unicode Map Filename: /usr/local/share/rules/unicode.map
      IIS Unicode Map Codepage: 1252
      Server profile: All
      Ports: 80 8080 8180
      Server Flow Depth: 300
      Client Flow Depth: 300
      Max Chunk Length: 500000
      Max Header Field Length: 0
      Inspect Pipeline Requests: YES
      URI Discovery Strict Mode: NO
      Allow Proxy Usage: NO
      Disable Alerting: NO
      Oversize Dir Length: 500
      Only inspect URI: NO
      Normalize HTTP Headers: NO
      Normalize HTTP Cookies: NO
      Ascii: YES alert: NO
      Double Decoding: YES alert: YES
      %U Encoding: YES alert: YES
      Bare Byte: YES alert: YES
      Base36: OFF
      UTF 8: OFF
      IIS Unicode: YES alert: YES
      Multiple Slash: YES alert: NO
      IIS Backslash: YES alert: NO
      Directory Traversal: YES alert: NO
      Web Root Traversal: YES alert: YES
      Apache WhiteSpace: YES alert: NO
      IIS Delimiter: YES alert: NO
      Non-RFC Compliant Characters: NONE
      Whitespace Characters: 0x09 0x0b 0x0c 0x0d
rpc_decode arguments:
    Ports to decode RPC on: 111 32771
    alert_fragments: INACTIVE
    alert_large_fragments: ACTIVE
    alert_incomplete: ACTIVE
    alert_multiple_requests: ACTIVE
Portscan Detection Config:
    Detect Protocols:  TCP UDP ICMP IP
    Detect Scan Type:  portscan portsweep decoy_portscan
    Sensitivity Level: Low
    Memcap (in bytes): 10000000
    Number of Nodes:   36900

Tagged Packet Limit: 256
Loading dynamic engine
/usr/local/lib/snort_dynamicengine/libsf_engine.dylib... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor/libsf_dcerpc_preproc.dylib... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor/libsf_dns_preproc.dylib... done
Loading dynamic preprocessor library
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor/libsf_smtp_preproc.dylib... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor/libsf_ssh_preproc.dylib... done
Bus error

I would be grateful for any suggestions on solving the bus error problem.
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