config/snort/snort.conf

   1 ###################################################
   2 # IPFire snort.conf
   3 #
   4 # some parts of this file are changed/updated by the webif
   5 ###################################################
   6 # VERSIONS : 2.9.5.0
   7
   8 include /etc/snort/vars
   9
  10 ###################################################
  11 # Step #1: Set the network variables.  For more information, see README.variables
  12 ###################################################
  13
  14 # taken from /etc/snort vars
  15 #ipvar HOME_NET any
  16
  17 # Set up the external network addresses. Leave as "any" in most situations
  18 ipvar EXTERNAL_NET any
  19
  20 # List of DNS servers on your network
  21 #ipvar DNS_SERVERS $HOME_NET
  22
  23 # List of SMTP servers on your network
  24 ipvar SMTP_SERVERS $HOME_NET
  25
  26 # List of web servers on your network
  27 ipvar HTTP_SERVERS $HOME_NET
  28
  29 # List of sql servers on your network
  30 ipvar SQL_SERVERS $HOME_NET
  31
  32 # List of telnet servers on your network
  33 ipvar TELNET_SERVERS $HOME_NET
  34
  35 # List of ssh servers on your network
  36 ipvar SSH_SERVERS $HOME_NET
  37
  38 # List of ftp servers on your network
  39 ipvar FTP_SERVERS $HOME_NET
  40
  41 # List of sip servers on your network
  42 ipvar SIP_SERVERS $HOME_NET
  43
  44 # List of ports you run web servers on
  45 portvar HTTP_PORTS [80,81,82,83,84,85,86,87,88,89,311,383,444,591,593,631,901,1220,1414,1741,1830,2301,2381,2809,3037,3057,3128,3702,4343,4848,5250,6080,6988,7000,7001,7144,7145,7510,7777,7779,8000,8008,8014,8028,8080,8085,8088,8090,8118,8123,8180,8181,8222,8243,8280,8300,8500,8800,8888,8899,9000,9060,9080,9090,9091,9443,9999,11371,34443,34444,41080,50002,55555]
  46
  47 # List of ports you want to look for SHELLCODE on.
  48 portvar SHELLCODE_PORTS !80
  49
  50 # List of ports you might see oracle attacks on
  51 portvar ORACLE_PORTS 1024:
  52
  53 # List of ports you want to look for SSH connections on:
  54 portvar SSH_PORTS [22,222]
  55
  56 # List of ports you run ftp servers on
  57 portvar FTP_PORTS [21,2100,3535]
  58
  59 # List of ports you run SIP servers on
  60 portvar SIP_PORTS [5060,5061,5600]
  61
  62 # List of file data ports for file inspection
  63 portvar FILE_DATA_PORTS [$HTTP_PORTS,110,143]
  64
  65 # List of GTP ports for GTP preprocessor
  66 portvar GTP_PORTS [2123,2152,3386]
  67
  68 # other variables, these should not be modified
  69 ipvar AIM_SERVERS [64.12.24.0/23,64.12.28.0/23,64.12.161.0/24,64.12.163.0/24,64.12.200.0/24,205.188.3.0/24,205.188.5.0/24,205.188.7.0/24,205.188.9.0/24,205.188.153.0/24,205.188.179.0/24,205.188.248.0/24]
  70
  71 # Path to your rules files (this can be a relative path)
  72 # Note for Windows users:  You are advised to make this an absolute path,
  73 # such as:  c:\snort\rules
  74 var RULE_PATH /etc/snort/rules
  75 var SO_RULE_PATH /etc/snort/so_rules
  76 var PREPROC_RULE_PATH /etc/snort/preproc_rules
  77
  78 # If you are using reputation preprocessor set these
  79 # Currently there is a bug with relative paths, they are relative to where snort is
  80 # not relative to snort.conf like the above variables
  81 # This is completely inconsistent with how other vars work, BUG 89986
  82 # Set the absolute path appropriately
  83 var WHITE_LIST_PATH /etc/snort/rules
  84 var BLACK_LIST_PATH /etc/snort/rules
  85
  86
  87 ###################################################
  88 # Step #2: Configure the decoder.  For more information, see README.decode
  89 ###################################################
  90
  91 # Stop generic decode events:
  92 config disable_decode_alerts
  93
  94 # Stop Alerts on experimental TCP options
  95 config disable_tcpopt_experimental_alerts
  96
  97 # Stop Alerts on obsolete TCP options
  98 config disable_tcpopt_obsolete_alerts
  99
 100 # Stop Alerts on T/TCP alerts
 101 # config disable_tcpopt_ttcp_alerts
 102
 103 # Stop Alerts on all other TCPOption type events:
 104 config disable_tcpopt_alerts
 105
 106 # Stop Alerts on invalid ip options
 107 # config disable_ipopt_alerts
 108
 109 # Alert if value in length field (IP, TCP, UDP) is greater th elength of the packet
 110 # config enable_decode_oversized_alerts
 111
 112 # Same as above, but drop packet if in Inline mode (requires enable_decode_oversized_alerts)
 113 # config enable_decode_oversized_drops
 114
 115 # Configure IP / TCP checksum mode
 116 config checksum_mode: all
 117
 118 # Configure maximum number of flowbit references.  For more information, see README.flowbits
 119 # config flowbits_size: 64
 120
 121 # Configure ports to ignore
 122 # config ignore_ports: tcp 21 6667:6671 1356
 123 # config ignore_ports: udp 1:17 53
 124
 125 # Configure active response for non inline operation. For more information, see REAMDE.active
 126 # config response: eth0 attempts 2
 127
 128 # Configure DAQ related options for inline operation. For more information, see README.daq
 129 #
 130 # config daq: <type>
 131 # config daq_dir: <dir>
 132 # config daq_mode: <mode>
 133 # config daq_var: <var>
 134 #
 135 # <type> ::= pcap | afpacket | dump | nfq | ipq | ipfw
 136 # <mode> ::= read-file | passive | inline
 137 # <var> ::= arbitrary <name>=<value passed to DAQ
 138 # <dir> ::= path as to where to look for DAQ module so's
 139
 140 # Configure specific UID and GID to run snort as after dropping privs. For more information see snort -h command line options
 141 #
 142 # config set_gid:
 143 # config set_uid:
 144
 145 # Configure default snaplen. Snort defaults to MTU of in use interface. For more information see README
 146 #
 147 # config snaplen:
 148 #
 149
 150 # Configure default bpf_file to use for filtering what traffic reaches snort. For more information see snort -h command line options (-F)
 151 #
 152 # config bpf_file:
 153 #
 154
 155 # Configure default log directory for snort to log to.  For more information see snort -h command line options (-l)
 156 #
 157 # config logdir:
 158
 159
 160 ###################################################
 161 # Step #3: Configure the base detection engine.  For more information, see  README.decode
 162 ###################################################
 163
 164 # Configure PCRE match limitations
 165 config pcre_match_limit: 3500
 166 config pcre_match_limit_recursion: 1500
 167
 168 # Configure the detection engine  See the Snort Manual, Configuring Snort - Includes - Config
 169 config detection: search-method ac-split search-optimize max-pattern-len 20
 170
 171 # Configure the event queue.  For more information, see README.event_queue
 172 config event_queue: max_queue 8 log 5 order_events content_length
 173
 174 ###################################################
 175 ## Configure GTP if it is to be used.
 176 ## For more information, see README.GTP
 177 ####################################################
 178
 179 # config enable_gtp
 180
 181 ###################################################
 182 # Per packet and rule latency enforcement
 183 # For more information see README.ppm
 184 ###################################################
 185
 186 # Per Packet latency configuration
 187 #config ppm: max-pkt-time 250, \
 188 #   fastpath-expensive-packets, \
 189 #   pkt-log
 190
 191 # Per Rule latency configuration
 192 #config ppm: max-rule-time 200, \
 193 #   threshold 3, \
 194 #   suspend-expensive-rules, \
 195 #   suspend-timeout 20, \
 196 #   rule-log alert
 197
 198 ###################################################
 199 # Configure Perf Profiling for debugging
 200 # For more information see README.PerfProfiling
 201 ###################################################
 202
 203 #config profile_rules: print all, sort avg_ticks
 204 #config profile_preprocs: print all, sort avg_ticks
 205
 206 ###################################################
 207 # Configure protocol aware flushing
 208 # For more information see README.stream5
 209 ###################################################
 210 config paf_max: 16000
 211
 212 ###################################################
 213 # Step #4: Configure dynamic loaded libraries.
 214 # For more information, see Snort Manual, Configuring Snort - Dynamic Modules
 215 ###################################################
 216
 217 # path to dynamic preprocessor libraries
 218 dynamicpreprocessor directory /usr/lib/snort_dynamicpreprocessor/
 219
 220 # path to base preprocessor engine
 221 dynamicengine /usr/lib/snort_dynamicengine/libsf_engine.so
 222
 223 # path to dynamic rules libraries
 224 # dynamicdetection directory /usr/local/lib/snort_dynamicrules
 225
 226
 227 ###################################################
 228 # Step #5: Configure preprocessors
 229 # For more information, see the Snort Manual, Configuring Snort - Preprocessors
 230 ###################################################
 231
 232 # GTP Control Channle Preprocessor. For more information, see README.GTP
 233 # preprocessor gtp: ports { 2123 3386 2152 }
 234
 235 # Inline packet normalization. For more information, see README.normalize
 236 # Does nothing in IDS mode
 237 preprocessor normalize_ip4
 238 preprocessor normalize_tcp: ips ecn stream
 239 preprocessor normalize_icmp4
 240 preprocessor normalize_ip6
 241 preprocessor normalize_icmp6
 242
 243 # Target-based IP defragmentation.  For more inforation, see README.frag3
 244 preprocessor frag3_global: max_frags 65536
 245 preprocessor frag3_engine: policy windows detect_anomalies overlap_limit 10 min_fragment_length 100 timeout 180
 246
 247 # Target-Based stateful inspection/stream reassembly.  For more inforation, see README.stream5
 248 preprocessor stream5_global: track_tcp yes, \
 249    track_udp yes, \
 250    track_icmp no, \
 251    max_tcp 262144, \
 252    max_udp 131072, \
 253    max_active_responses 2, \
 254    min_response_seconds 5
 255 preprocessor stream5_tcp: policy windows, detect_anomalies, require_3whs 180, \
 256    overlap_limit 10, small_segments 3 bytes 150, timeout 180, \
 257     ports client 21 22 23 25 42 53 70 79 109 110 111 113 119 135 136 137 139 143 \
 258         161 222 445 513 514 587 593 691 1433 1521 1741 2100 3306 6070 6665 6666 6667 6668 6669 \
 259         7000 8181 32770 32771 32772 32773 32774 32775 32776 32777 32778 32779, \
 260     ports both 80 81 82 83 84 85 86 87 88 89 110 311 383 443 444 465 563 591 593 631 636 901 989 992 993 994 995 1220 1414 1830 2301 2381 2809 3037 3057 3128 3702 4343 4848 5250 6080 6988 7907 7000 7001 7144 7145 7510 7802 7777 7779 \
 261         7801 7900 7901 7902 7903 7904 7905 7906 7908 7909 7910 7911 7912 7913 7914 7915 7916 \
 262         7917 7918 7919 7920 8000 8008 8014 8028 8080 8085 8088 8090 8118 8123 8180 8222 8243 8280 8300 8500 8800 8888 8899 9000 9060 9080 9090 9091 9443 9999 11371 34443 34444 41080 50002 55555
 263 preprocessor stream5_udp: timeout 180
 264
 265 # performance statistics.  For more information, see the Snort Manual, Configuring Snort - Preprocessors - Performance Monitor
 266 # preprocessor perfmonitor: time 300 file /var/snort/snort.stats pktcnt 10000
 267
 268 # HTTP normalization and anomaly detection.  For more information, see README.http_inspect
 269 preprocessor http_inspect: global iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535
 270 preprocessor http_inspect_server: server default \
 271     http_methods { GET POST PUT SEARCH MKCOL COPY MOVE LOCK UNLOCK NOTIFY POLL BCOPY BDELETE BMOVE LINK UNLINK OPTIONS HEAD DELETE TRACE TRACK CONNECT SOURCE SUBSCRIBE UNSUBSCRIBE PROPFIND PROPPATCH BPROPFIND BPROPPATCH RPC_CONNECT PROXY_SUCCESS BITS_POST CCM_POST SMS_POST RPC_IN_DATA RPC_OUT_DATA RPC_ECHO_DATA } \
 272     chunk_length 500000 \
 273     server_flow_depth 0 \
 274     client_flow_depth 0 \
 275     post_depth 65495 \
 276     oversize_dir_length 500 \
 277     max_header_length 750 \
 278     max_headers 100 \
 279     max_spaces 200 \
 280     small_chunk_length { 10 5 } \
 281     ports { 80 81 82 83 84 85 86 87 88 89 311 383 444 591 593 631 901 1220 1414 1741 1830 2301 2381 2809 3037 3057 3128 3702 4343 4848 5250 6080 6988 7000 7001 7144 7145 7510 7777 7779 8000 8008 8014 8028 8080 8085 8088 8090 8118 8123 8180 8181 8222 8243 8280 8300 8500 8800 8888 8899 9000 9060 9080 9090 9091 9443 9999 11371 34443 34444 41080 50002 55555 } \
 282     non_rfc_char { 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 } \
 283     enable_cookie \
 284     extended_response_inspection \
 285     inspect_gzip \
 286     normalize_utf \
 287     unlimited_decompress \
 288     normalize_javascript \
 289     apache_whitespace no \
 290     ascii no \
 291     bare_byte no \
 292     directory no \
 293     double_decode no \
 294     iis_backslash no \
 295     iis_delimiter no \
 296     iis_unicode no \
 297     multi_slash no \
 298     utf_8 no \
 299     u_encode yes \
 300     webroot no
 301
 302 # ONC-RPC normalization and anomaly detection.  For more information, see the Snort Manual, Configuring Snort - Preprocessors - RPC Decode
 303 preprocessor rpc_decode: 111 32770 32771 32772 32773 32774 32775 32776 32777 32778 32779 no_alert_multiple_requests no_alert_large_fragments no_alert_incomplete
 304
 305 # Back Orifice detection.
 306 preprocessor bo
 307
 308 # FTP / Telnet normalization and anomaly detection.  For more information, see README.ftptelnet
 309 preprocessor ftp_telnet: global inspection_type stateful encrypted_traffic no check_encrypted
 310 preprocessor ftp_telnet_protocol: telnet \
 311     ayt_attack_thresh 20 \
 312     normalize ports { 23 } \
 313     detect_anomalies
 314 preprocessor ftp_telnet_protocol: ftp server default \
 315     def_max_param_len 100 \
 316     ports { 21 2100 3535 } \
 317     telnet_cmds yes \
 318     ignore_telnet_erase_cmds yes \
 319     ftp_cmds { ABOR ACCT ADAT ALLO APPE AUTH CCC CDUP } \
 320     ftp_cmds { CEL CLNT CMD CONF CWD DELE ENC EPRT } \
 321     ftp_cmds { EPSV ESTA ESTP FEAT HELP LANG LIST LPRT } \
 322     ftp_cmds { LPSV MACB MAIL MDTM MIC MKD MLSD MLST } \
 323     ftp_cmds { MODE NLST NOOP OPTS PASS PASV PBSZ PORT } \
 324     ftp_cmds { PROT PWD QUIT REIN REST RETR RMD RNFR } \
 325     ftp_cmds { RNTO SDUP SITE SIZE SMNT STAT STOR STOU } \
 326     ftp_cmds { STRU SYST TEST TYPE USER XCUP XCRC XCWD } \
 327     ftp_cmds { XMAS XMD5 XMKD XPWD XRCP XRMD XRSQ XSEM } \
 328     ftp_cmds { XSEN XSHA1 XSHA256 } \
 329     alt_max_param_len 0 { ABOR CCC CDUP ESTA FEAT LPSV NOOP PASV PWD QUIT REIN STOU SYST XCUP XPWD } \
 330     alt_max_param_len 200 { ALLO APPE CMD HELP NLST RETR RNFR STOR STOU XMKD } \
 331     alt_max_param_len 256 { CWD RNTO } \
 332     alt_max_param_len 400 { PORT } \
 333     alt_max_param_len 512 { SIZE } \
 334     chk_str_fmt { ACCT ADAT ALLO APPE AUTH CEL CLNT CMD } \
 335     chk_str_fmt { CONF CWD DELE ENC EPRT EPSV ESTP HELP } \
 336     chk_str_fmt { LANG LIST LPRT MACB MAIL MDTM MIC MKD } \
 337     chk_str_fmt { MLSD MLST MODE NLST OPTS PASS PBSZ PORT } \
 338     chk_str_fmt { PROT REST RETR RMD RNFR RNTO SDUP SITE } \
 339     chk_str_fmt { SIZE SMNT STAT STOR STRU TEST TYPE USER } \
 340     chk_str_fmt { XCRC XCWD XMAS XMD5 XMKD XRCP XRMD XRSQ } \
 341     chk_str_fmt { XSEM XSEN XSHA1 XSHA256 } \
 342     cmd_validity ALLO < int [ char R int ] > \
 343     cmd_validity EPSV < [ { char 12 | char A char L char L } ] > \
 344     cmd_validity MACB < string > \
 345     cmd_validity MDTM < [ date nnnnnnnnnnnnnn[.n[n[n]]] ] string > \
 346     cmd_validity MODE < char ASBCZ > \
 347     cmd_validity PORT < host_port > \
 348     cmd_validity PROT < char CSEP > \
 349     cmd_validity STRU < char FRPO [ string ] > \
 350     cmd_validity TYPE < { char AE [ char NTC ] | char I | char L [ number ] } >
 351 preprocessor ftp_telnet_protocol: ftp client default \
 352     max_resp_len 256 \
 353     bounce yes \
 354     ignore_telnet_erase_cmds yes \
 355     telnet_cmds yes
 356
 357
 358 # SMTP normalization and anomaly detection.  For more information, see README.SMTP
 359 preprocessor smtp: ports { 25 465 587 691 } \
 360     inspection_type stateful \
 361     b64_decode_depth 0 \
 362     qp_decode_depth 0 \
 363     bitenc_decode_depth 0 \
 364     uu_decode_depth 0 \
 365     log_mailfrom \
 366     log_rcptto \
 367     log_filename \
 368     log_email_hdrs \
 369     normalize cmds \
 370     normalize_cmds { ATRN AUTH BDAT CHUNKING DATA DEBUG EHLO EMAL ESAM ESND ESOM ETRN EVFY } \
 371     normalize_cmds { EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT RSET SAML SEND SOML } \
 372     normalize_cmds { STARTTLS TICK TIME TURN TURNME VERB VRFY X-ADAT X-DRCP X-ERCP X-EXCH50 } \
 373     normalize_cmds { X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN XLICENSE XQUE XSTA XTRN XUSR } \
 374     max_command_line_len 512 \
 375     max_header_line_len 1000 \
 376     max_response_line_len 512 \
 377     alt_max_command_line_len 260 { MAIL } \
 378     alt_max_command_line_len 300 { RCPT } \
 379     alt_max_command_line_len 500 { HELP HELO ETRN EHLO } \
 380     alt_max_command_line_len 255 { EXPN VRFY ATRN SIZE BDAT DEBUG EMAL ESAM ESND ESOM EVFY IDENT NOOP RSET } \
 381     alt_max_command_line_len 246 { SEND SAML SOML AUTH TURN ETRN DATA RSET QUIT ONEX QUEU STARTTLS TICK TIME TURNME VERB X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN XLICENSE XQUE XSTA XTRN XUSR } \
 382     valid_cmds { ATRN AUTH BDAT CHUNKING DATA DEBUG EHLO EMAL ESAM ESND ESOM ETRN EVFY } \
 383     valid_cmds { EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT RSET SAML SEND SOML } \
 384     valid_cmds { STARTTLS TICK TIME TURN TURNME VERB VRFY X-ADAT X-DRCP X-ERCP X-EXCH50 } \
 385     valid_cmds { X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN XLICENSE XQUE XSTA XTRN XUSR } \
 386     xlink2state { enabled }
 387
 388 # Portscan detection.  For more information, see README.sfportscan
 389 preprocessor sfportscan: proto  { all } memcap { 10000000 } sense_level { medium }
 390
 391 # ARP spoof detection.  For more information, see the Snort Manual - Configuring Snort - Preprocessors - ARP Spoof Preprocessor
 392 # preprocessor arpspoof
 393 # preprocessor arpspoof_detect_host: 192.168.40.1 f0:0f:00:f0:0f:00
 394
 395 # SSH anomaly detection.  For more information, see README.ssh
 396 preprocessor ssh: server_ports { 22 222 } \
 397                   autodetect \
 398                   max_client_bytes 19600 \
 399                   max_encrypted_packets 20 \
 400                   max_server_version_len 100 \
 401                   enable_respoverflow enable_ssh1crc32 \
 402                   enable_srvoverflow enable_protomismatch
 403
 404 # SMB / DCE-RPC normalization and anomaly detection.  For more information, see README.dcerpc2
 405 preprocessor dcerpc2: memcap 102400, events [co ]
 406 preprocessor dcerpc2_server: default, policy WinXP, \
 407     detect [smb [139,445], tcp 135, udp 135, rpc-over-http-server 593], \
 408     autodetect [tcp 1025:, udp 1025:, rpc-over-http-server 1025:], \
 409     smb_max_chain 3, smb_invalid_shares ["C$", "D$", "ADMIN$"]
 410
 411 # DNS anomaly detection.  For more information, see README.dns
 412 preprocessor dns: ports { 53 } enable_rdata_overflow
 413
 414 # SSL anomaly detection and traffic bypass.  For more information, see README.ssl
 415 preprocessor ssl: ports { 443 444 465 563 636 989 992 993 994 995 7801 7802 7900 7901 7902 7903 7904 7905 7906 7907 7908 7909 7910 7911 7912 7913 7914 7915 7916 7917 7918 7919 7920 }, trustservers, noinspect_encrypted
 416
 417 # SDF sensitive data preprocessor.  For more information see README.sensitive_data
 418 preprocessor sensitive_data: alert_threshold 25
 419
 420 # SIP Session Initiation Protocol preprocessor.  For more information see README.sip
 421 preprocessor sip: max_sessions 40000, \
 422    ports { 5060 5061 5600 }, \
 423    methods { invite \
 424              cancel \
 425              ack \
 426              bye \
 427              register \
 428              options \
 429              refer \
 430              subscribe \
 431              update \
 432              join \
 433              info \
 434              message \
 435              notify \
 436              benotify \
 437              do \
 438              qauth \
 439              sprack \
 440              publish \
 441              service \
 442              unsubscribe \
 443              prack }, \
 444    max_uri_len 512, \
 445    max_call_id_len 80, \
 446    max_requestName_len 20, \
 447    max_from_len 256, \
 448    max_to_len 256, \
 449    max_via_len 1024, \
 450    max_contact_len 512, \
 451    max_content_len 2048
 452
 453 # IMAP preprocessor.  For more information see README.imap
 454 preprocessor imap: \
 455    ports { 143 } \
 456    b64_decode_depth 0 \
 457    qp_decode_depth 0 \
 458    bitenc_decode_depth 0 \
 459    uu_decode_depth 0
 460
 461 # POP preprocessor. For more information see README.pop
 462 preprocessor pop: \
 463    ports { 110 } \
 464    b64_decode_depth 0 \
 465    qp_decode_depth 0 \
 466    bitenc_decode_depth 0 \
 467    uu_decode_depth 0
 468
 469 # Modbus preprocessor. For more information see README.modbus
 470 preprocessor modbus: ports { 502 }
 471
 472 # DNP3 preprocessor. For more information see README.dnp3
 473 preprocessor dnp3: ports { 20000 } \
 474    memcap 262144 \
 475    check_crc
 476
 477 # Reputation preprocessor. For more information see README.reputation
 478 #preprocessor reputation: \
 479 #   memcap 500, \
 480 #   priority whitelist, \
 481 #   nested_ip inner, \
 482 #   whitelist $WHITE_LIST_PATH/white_list.rules, \
 483 #   blacklist $BLACK_LIST_PATH/black_list.rules
 484
 485
 486 ###################################################
 487 # Step #6: Configure output plugins
 488 # For more information, see Snort Manual, Configuring Snort - Output Modules
 489 ###################################################
 490
 491 # unified2
 492 # Recommended for most installs
 493 # output unified2: filename merged.log, limit 128, nostamp, mpls_event_types, vlan_event_types
 494
 495 # Additional configuration for specific types of installs
 496 # output alert_unified2: filename snort.alert, limit 128, nostamp
 497 # output log_unified2: filename snort.log, limit 128, nostamp
 498
 499 # syslog
 500 # output alert_syslog: LOG_AUTH LOG_ALERT
 501
 502 # pcap
 503 # output log_tcpdump: tcpdump.log
 504
 505 # database
 506 # output database: alert, <db_type>, user=<username> password=<password> test dbname=<name> host=<hostname>
 507 # output database: log, <db_type>, user=<username> password=<password> test dbname=<name> host=<hostname>
 508
 509 # prelude
 510 # output alert_prelude
 511
 512 # metadata reference data.  do not modify these lines
 513 include /etc/snort/rules/classification.config
 514 include /etc/snort/rules/reference.config
 515
 516
 517 ###################################################
 518 # Step #7: Customize your rule set
 519 # For more information, see Snort Manual, Writing Snort Rules
 520 ###################################################
 521
 522 #
 523 # site specific rules
 524 #