Index: snort-2.8.4.1/etc/snort.conf
===================================================================
--- snort-2.8.4.1.orig/etc/snort.conf	2009-04-21 21:39:51.000000000 +0200
+++ snort-2.8.4.1/etc/snort.conf	2009-07-12 19:54:47.000000000 +0200
@@ -6,6 +6,7 @@
 #
 ###################################################
 # This file contains a sample snort configuration. 
+# Most preprocessors and rules were disabled to save memory.
 # You can take the following steps to create your own custom configuration:
 #
 #  1) Set the variables for your network
@@ -43,10 +44,10 @@
 # or you can specify the variable to be any IP address
 # like this:
 
-var HOME_NET any
+var HOME_NET 192.168.1.0/24
 
 # Set up the external network addresses as well.  A good start may be "any"
-var EXTERNAL_NET any
+var EXTERNAL_NET !$HOME_NET
 
 # Configure your server lists.  This allows snort to only look for attacks to
 # systems that have a service up.  Why look for HTTP attacks if you are not
@@ -107,8 +108,8 @@
 # Path to your rules files (this can be a relative path)
 # Note for Windows users:  You are advised to make this an absolute path,
 # such as:  c:\snort\rules
-var RULE_PATH ../rules
-var PREPROC_RULE_PATH ../preproc_rules
+var RULE_PATH /etc/snort/rules
+var PREPROC_RULE_PATH /etc/snort/preproc_rules
 
 # Configure the snort decoder
 # ============================
@@ -307,11 +308,11 @@
 # lots of options available here. See doc/README.http_inspect.
 # unicode.map should be wherever your snort.conf lives, or given
 # a full path to where snort can find it.
-preprocessor http_inspect: global \
-    iis_unicode_map unicode.map 1252 
+#preprocessor http_inspect: global \
+#    iis_unicode_map unicode.map 1252
 
-preprocessor http_inspect_server: server default \
-    profile all ports { 80 8080 8180 } oversize_dir_length 500
+#preprocessor http_inspect_server: server default \
+#    profile all ports { 80 8080 8180 } oversize_dir_length 500
 
 #
 #  Example unique server configuration
@@ -345,7 +346,7 @@
 # no_alert_incomplete - don't alert when a single segment
 #                       exceeds the current packet size
 
-preprocessor rpc_decode: 111 32771
+#preprocessor rpc_decode: 111 32771
 
 # bo: Back Orifice detector
 # -------------------------
@@ -368,7 +369,7 @@
 #   3       Back Orifice Server Traffic Detected
 #   4       Back Orifice Snort Buffer Attack
 
-preprocessor bo
+#preprocessor bo
 
 # ftp_telnet: FTP & Telnet normalizer, protocol enforcement and buff overflow
 # ---------------------------------------------------------------------------
@@ -391,32 +392,32 @@
 # or use commandline option
 # --dynamic-preprocessor-lib <full path to libsf_ftptelnet_preproc.so>
 
-preprocessor ftp_telnet: global \
-   encrypted_traffic yes \
-   inspection_type stateful
-
-preprocessor ftp_telnet_protocol: telnet \
-   normalize \
-   ayt_attack_thresh 200
+#preprocessor ftp_telnet: global \
+#   encrypted_traffic yes \
+#   inspection_type stateful
+
+#preprocessor ftp_telnet_protocol: telnet \
+#   normalize \
+#   ayt_attack_thresh 200
 
 # This is consistent with the FTP rules as of 18 Sept 2004.
 # CWD can have param length of 200
 # MODE has an additional mode of Z (compressed)
 # Check for string formats in USER & PASS commands
 # Check nDTM commands that set modification time on the file.
-preprocessor ftp_telnet_protocol: ftp server default \
-   def_max_param_len 100 \
-   alt_max_param_len 200 { CWD } \
-   cmd_validity MODE < char ASBCZ > \
-   cmd_validity MDTM < [ date nnnnnnnnnnnnnn[.n[n[n]]] ] string > \
-   chk_str_fmt { USER PASS RNFR RNTO SITE MKD } \
-   telnet_cmds yes \
-   data_chan
-
-preprocessor ftp_telnet_protocol: ftp client default \
-   max_resp_len 256 \
-   bounce yes \
-   telnet_cmds yes
+#preprocessor ftp_telnet_protocol: ftp server default \
+#   def_max_param_len 100 \
+#   alt_max_param_len 200 { CWD } \
+#   cmd_validity MODE < char ASBCZ > \
+#   cmd_validity MDTM < [ date nnnnnnnnnnnnnn[.n[n[n]]] ] string > \
+#   chk_str_fmt { USER PASS RNFR RNTO SITE MKD } \
+#   telnet_cmds yes \
+#   data_chan
+
+#preprocessor ftp_telnet_protocol: ftp client default \
+#   max_resp_len 256 \
+#   bounce yes \
+#   telnet_cmds yes
 
 # smtp: SMTP normalizer, protocol enforcement and buffer overflow
 # ---------------------------------------------------------------------------
@@ -434,15 +435,15 @@
 # or use commandline option
 # --dynamic-preprocessor-lib <full path to libsf_smtp_preproc.so>
 
-preprocessor smtp: \
-  ports { 25 587 691 } \
-  inspection_type stateful \
-  normalize cmds \
-  normalize_cmds { EXPN VRFY RCPT } \
-  alt_max_command_line_len 260 { MAIL } \
-  alt_max_command_line_len 300 { RCPT } \
-  alt_max_command_line_len 500 { HELP HELO ETRN } \
-  alt_max_command_line_len 255 { EXPN VRFY }
+#preprocessor smtp: \
+#  ports { 25 587 691 } \
+#  inspection_type stateful \
+#  normalize cmds \
+#  normalize_cmds { EXPN VRFY RCPT } \
+#  alt_max_command_line_len 260 { MAIL } \
+#  alt_max_command_line_len 300 { RCPT } \
+#  alt_max_command_line_len 500 { HELP HELO ETRN } \
+#  alt_max_command_line_len 255 { EXPN VRFY }
 
 # sfPortscan
 # ----------
@@ -498,9 +499,9 @@
 #       false alerts, especially under heavy load with dropped packets; which is why
 #       the option is off by default.
 #
-preprocessor sfportscan: proto  { all } \
-                         memcap { 10000000 } \
-                         sense_level { low }
+#preprocessor sfportscan: proto  { all } \
+#                         memcap { 10000000 } \
+#                         sense_level { low }
 
 # arpspoof
 #----------------------------------------
@@ -623,9 +624,9 @@
 # or use commandline option
 # --dynamic-preprocessor-lib <full path to libsf_dns_preproc.so>
 
-preprocessor dns: \
-    ports { 53 } \
-    enable_rdata_overflow
+#preprocessor dns: \
+#    ports { 53 } \
+#    enable_rdata_overflow
 
 # SSL
 #----------------------------------------
@@ -649,7 +650,7 @@
 #   To add reassembly on port 443 to Stream5, use 'port both 443' in the 
 #   Stream5 configuration.
 
-preprocessor ssl: noinspect_encrypted, trustservers
+#preprocessor ssl: noinspect_encrypted, trustservers
 
 
 ####################################################################
@@ -811,41 +812,41 @@
 include $RULE_PATH/bad-traffic.rules
 include $RULE_PATH/exploit.rules
 include $RULE_PATH/scan.rules
-include $RULE_PATH/finger.rules
-include $RULE_PATH/ftp.rules
-include $RULE_PATH/telnet.rules
-include $RULE_PATH/rpc.rules
-include $RULE_PATH/rservices.rules
-include $RULE_PATH/dos.rules
-include $RULE_PATH/ddos.rules
-include $RULE_PATH/dns.rules
-include $RULE_PATH/tftp.rules
-
-include $RULE_PATH/web-cgi.rules
-include $RULE_PATH/web-coldfusion.rules
-include $RULE_PATH/web-iis.rules
-include $RULE_PATH/web-frontpage.rules
-include $RULE_PATH/web-misc.rules
-include $RULE_PATH/web-client.rules
-include $RULE_PATH/web-php.rules
-
-include $RULE_PATH/sql.rules
-include $RULE_PATH/x11.rules
-include $RULE_PATH/icmp.rules
-include $RULE_PATH/netbios.rules
-include $RULE_PATH/misc.rules
-include $RULE_PATH/attack-responses.rules
-include $RULE_PATH/oracle.rules
-include $RULE_PATH/mysql.rules
-include $RULE_PATH/snmp.rules
-
-include $RULE_PATH/smtp.rules
-include $RULE_PATH/imap.rules
-include $RULE_PATH/pop2.rules
-include $RULE_PATH/pop3.rules
+#include $RULE_PATH/finger.rules
+#include $RULE_PATH/ftp.rules
+#include $RULE_PATH/telnet.rules
+#include $RULE_PATH/rpc.rules
+#include $RULE_PATH/rservices.rules
+#include $RULE_PATH/dos.rules
+#include $RULE_PATH/ddos.rules
+#include $RULE_PATH/dns.rules
+#include $RULE_PATH/tftp.rules
+
+#include $RULE_PATH/web-cgi.rules
+#include $RULE_PATH/web-coldfusion.rules
+#include $RULE_PATH/web-iis.rules
+#include $RULE_PATH/web-frontpage.rules
+#include $RULE_PATH/web-misc.rules
+#include $RULE_PATH/web-client.rules
+#include $RULE_PATH/web-php.rules
+
+#include $RULE_PATH/sql.rules
+#include $RULE_PATH/x11.rules
+#include $RULE_PATH/icmp.rules
+#include $RULE_PATH/netbios.rules
+#include $RULE_PATH/misc.rules
+#include $RULE_PATH/attack-responses.rules
+#include $RULE_PATH/oracle.rules
+#include $RULE_PATH/mysql.rules
+#include $RULE_PATH/snmp.rules
+
+#include $RULE_PATH/smtp.rules
+#include $RULE_PATH/imap.rules
+#include $RULE_PATH/pop2.rules
+#include $RULE_PATH/pop3.rules
 
-include $RULE_PATH/nntp.rules
-include $RULE_PATH/other-ids.rules
+#include $RULE_PATH/nntp.rules
+#include $RULE_PATH/other-ids.rules
 # include $RULE_PATH/web-attacks.rules
 # include $RULE_PATH/backdoor.rules
 # include $RULE_PATH/shellcode.rules
@@ -859,7 +860,7 @@
 # include $RULE_PATH/p2p.rules
 # include $RULE_PATH/spyware-put.rules
 # include $RULE_PATH/specific-threats.rules
-include $RULE_PATH/experimental.rules
+#include $RULE_PATH/experimental.rules
 
 # include $PREPROC_RULE_PATH/preprocessor.rules
 # include $PREPROC_RULE_PATH/decoder.rules
