[Snort-users] Problems with snort

Harper, Patrick patrick.harper at ...11593...
Mon Apr 26 08:09:17 EDT 2004


are you on a switch?  where are you looking for alerts?

 
 

  _____  

From: Adriano Bandeira de Araújo [mailto:adriano.araujo at ...11704...] 
Sent: Monday, April 26, 2004 7:49 AM
To: snort-users at lists.sourceforge.net
Subject: [Snort-users] Problems with snort




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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