[Snort-users] Problems with snort

Adriano Bandeira de Araújo adriano.araujo at ...11704...
Mon Apr 26 06:48:01 EDT 2004


Hi,

I´m with a problem... I installed the snort with MySQL and ACID (RedHat9), but it doesn´t show me any alerts.

here is the part of the syslog

Apr 26 10:37:22 russoe kernel: device eth0 entered promiscuous mode
Apr 26 10:37:22 russoe snort: Initializing daemon mode
Apr 26 10:37:22 russoe snort: PID path stat checked out ok, PID path set to /var/run/
Apr 26 10:37:22 russoe snort: Writing PID "6768" to file "/var/run//snort_eth0.pid"
Apr 26 10:37:22 russoe snort: ,-----------[Flow Config]----------------------
Apr 26 10:37:22 russoe snort: | Stats Interval:  0
Apr 26 10:37:22 russoe snort: | Hash Method:     2
Apr 26 10:37:22 russoe snort: | Memcap:          10485760
Apr 26 10:37:22 russoe snort: | Rows  :          4099
Apr 26 10:37:22 russoe snort: | Overhead Bytes:  16400(%0.16)
Apr 26 10:37:22 russoe snort: `----------------------------------------------
Apr 26 10:37:22 russoe snort: HttpInspect Config:
Apr 26 10:37:22 russoe snort:     GLOBAL CONFIG
Apr 26 10:37:22 russoe snort:       Max Pipeline Requests:    0
Apr 26 10:37:22 russoe snort:       Inspection Type:          STATELESS
Apr 26 10:37:22 russoe snort:       Detect Proxy Usage:       NO
Apr 26 10:37:22 russoe snort:       IIS Unicode Map Filename: /etc/snort/unicode.map
Apr 26 10:37:22 russoe snort:       IIS Unicode Map Codepage: 1252
Apr 26 10:37:22 russoe snort:     DEFAULT SERVER CONFIG:
Apr 26 10:37:22 russoe snort:       Ports:
Apr 26 10:37:22 russoe snort: 80
Apr 26 10:37:22 russoe snort: 8080
Apr 26 10:37:22 russoe snort: 8180
Apr 26 10:37:22 russoe snort:
Apr 26 10:37:22 russoe snort:       Flow Depth: 300
Apr 26 10:37:22 russoe snort:       Max Chunk Length: 500000
Apr 26 10:37:22 russoe snort:       Inspect Pipeline Requests: YES
Apr 26 10:37:22 russoe snort:       URI Discovery Strict Mode: NO
Apr 26 10:37:22 russoe snort:       Allow Proxy Usage: NO
Apr 26 10:37:22 russoe snort:       Disable Alerting: NO
Apr 26 10:37:22 russoe snort:       Oversize Dir Length: 500
Apr 26 10:37:22 russoe snort:       Only inspect URI: NO
Apr 26 10:37:22 russoe snort:       Ascii: YES alert: NO
Apr 26 10:37:22 russoe snort:       Double Decoding: YES alert: YES
Apr 26 10:37:22 russoe snort:       %U Encoding: YES alert: YES
Apr 26 10:37:22 russoe snort:       Bare Byte: YES alert: YES
Apr 26 10:37:22 russoe snort:       Base36: OFF
Apr 26 10:37:22 russoe snort:       UTF 8: OFF
Apr 26 10:37:22 russoe snort:       IIS Unicode: YES alert: YES
Apr 26 10:37:22 russoe snort:       Multiple Slash: YES alert: NO
Apr 26 10:37:22 russoe snort:       IIS Backslash: YES alert: NO
Apr 26 10:37:22 russoe snort:       Directory: YES alert: NO
Apr 26 10:37:22 russoe snort:       Apache WhiteSpace: YES alert: YES
Apr 26 10:37:22 russoe snort:       IIS Delimiter: YES alert: YES
Apr 26 10:37:22 russoe snort:       IIS Unicode Map: GLOBAL IIS UNICODE MAP CONFIG
Apr 26 10:37:22 russoe snort:       Non-RFC Compliant Characters:
Apr 26 10:37:22 russoe snort: NONE
Apr 26 10:37:22 russoe snort:
Apr 26 10:37:22 russoe snort: rpc_decode arguments:
Apr 26 10:37:22 russoe snort:     Ports to decode RPC on: 111 32771
Apr 26 10:37:22 russoe snort:     alert_fragments: INACTIVE
Apr 26 10:37:22 russoe snort:     alert_large_fragments: ACTIVE
Apr 26 10:37:22 russoe snort:     alert_incomplete: ACTIVE
Apr 26 10:37:22 russoe snort:     alert_multiple_requests: ACTIVE
Apr 26 10:37:22 russoe snort: telnet_decode arguments:
Apr 26 10:37:22 russoe snort:     Ports to decode telnet on: 21 23 25 119
Apr 26 10:37:22 russoe snort: Snort initialization completed successfully




############################################################################################################################

the command: #snort -c /etc/snort/snort.conf show me....


Running in IDS mode
Log directory = /var/log/snort

Initializing Network Interface eth0

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

+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...
,-----------[Flow Config]----------------------
| Stats Interval:  0
| Hash Method:     2
| Memcap:          10485760
| Rows  :          4099
| Overhead Bytes:  16400(%0.16)
`----------------------------------------------
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
    Self preservation threshold: 500
    Self preservation period: 90
    Suspend threshold: 1000
    Suspend period: 30
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: INACTIVE
    Log Flushed Streams: INACTIVE
    MinTTL: 1
    TTL Limit: 5
    Async Link: 0
    State Protection: 0
    Self preservation threshold: 50
    Self preservation period: 90
    Suspend threshold: 200
    Suspend period: 30
Stream4_reassemble config:
    Server reassembly: INACTIVE
    Client reassembly: ACTIVE
    Reassembler alerts: ACTIVE
    Zero out flushed packets: INACTIVE
    flush_data_diff_size: 500
    Ports: 21 23 25 53 80 110 111 143 513 1433
    Emergency Ports: 21 23 25 53 80 110 111 143 513 1433
HttpInspect Config:
    GLOBAL CONFIG
      Max Pipeline Requests:    0
      Inspection Type:          STATELESS
      Detect Proxy Usage:       NO
      IIS Unicode Map Filename: /etc/snort/unicode.map
      IIS Unicode Map Codepage: 1252
    DEFAULT SERVER CONFIG:
      Ports: 80 8080 8180
      Flow Depth: 300
      Max Chunk Length: 500000
      Inspect Pipeline Requests: YES
      URI Discovery Strict Mode: NO
      Allow Proxy Usage: NO
      Disable Alerting: NO
      Oversize Dir Length: 500
      Only inspect URI: 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: YES alert: NO
      Apache WhiteSpace: YES alert: YES
      IIS Delimiter: YES alert: YES
      IIS Unicode Map: GLOBAL IIS UNICODE MAP CONFIG
      Non-RFC Compliant Characters: NONE
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
database: compiled support for ( mysql )
database: configured to use mysql
database:          user = snort
database: password is set
database: database name = snort
database:          host = localhost
database:   sensor name = 10.9.1.250
database:     sensor id = 1
database: schema version = 106
database: using the "log" facility
1773 Snort rules read...
1773 Option Chains linked into 170 Chain Headers
0 Dynamic rules
+++++++++++++++++++++++++++++++++++++++++++++++++++


+-----------------------[thresholding-config]----------------------------------
| memory-cap : 1048576 bytes
+-----------------------[thresholding-global]----------------------------------
| none
+-----------------------[thresholding-local]-----------------------------------
| gen-id=1      sig-id=2275       type=Threshold tracking=dst count=5   seconds=60
+-----------------------[suppression]------------------------------------------
-------------------------------------------------------------------------------
Rule application order: ->activation->dynamic->alert->pass->log

        --== Initialization Complete ==--

-*> Snort! <*-
Version 2.1.2 (Build 25)
By Martin Roesch (roesch at ...1935..., www.snort.org)





Adriano Bandeira de Araújo
Secretaria de Orçamento Federal - SOF
(61) 348-2111 

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