Snort ids fatal error

["taree ahmed" <tareeahmed () gmail com>]

Hi,

  Dear team, could you please provide any clue in this regard
.Detail is as follows :

whenever i try to run startup script for snort which is located in :
cd /etc/init.d/ , it doesnot start snort

./snort start

Starting Intrusion Database System: SNORT

no service is starting as confirmed from  :  ps -ax | grep snort

if we further scrutinize to "cat snort", following command gives error :

 $SNORT_PATH/snort -c $CONFIG -i $IFACE -g $SNORT_GID $OPTIONS

what this command does is as follows :

snort -c /etc/snort/snort.conf -i eth0 -g snort -D

The output of this command is as follows :
------------------------------------------------------------------------------------------------------
[root@localhost bin]# snort -c /etc/snort/snort.conf -i eth0 -g snort
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
ERROR: /etc/snort/snort.conf(285) => Invalid file name for IIS Unicode Map file.
Fatal Error, Quitting..
-----------------------------------------------------------------------------------------------------------------------

Now, if we read line#285 of snort.conf as indicated by error , it
points to unicode.map

line#284: preprocessor http_inspect: global \
line#285:     iis_unicode_map unicode.map 1252

unicode.map is located in cd ~/snort-2.1.2/etc and there seems nothing
wrong with this file.

can you help me figure out problem ?

thanks.

              tariq ahmad

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