[Snort-users] Problems installing/configuring Snort on Fedora

Michael Brown redcrosse at ...3147...
Thu May 7 13:52:30 EDT 2015


Yes, that is the correct interface, thanks.

> On May 7, 2015, at 12:25 PM, Joel Esler (jesler) <jesler at ...589...> wrote:
> 
> You’ve specified the interface as "eno1”.  Is that the correct interface on Fedora?
> 
> --
> Joel Esler
> Open Source Manager
> Threat Intelligence Team Lead
> Talos Group
> 
> 
>> On May 7, 2015, at 9:37 AM, snort_user <redcrosse at ...3147... <mailto:redcrosse at ...3147...>> wrote:
>> 
>> Hello,
>> 
>> I'm trying to install and run Snort 2.9.7 on Fedora 21.  The Snort
>> installation appears to work fine.  When I try to test Snort using
>> the ./snort -T -i eno1 -u snort -g snort -c /etc/snort/snort.conf
>> command, it fails with the following output:
>> Rule application order:
>> activation->dynamic->pass->drop->sdrop->reject->alert->log
>> Verifying Preprocessor Configurations!
>> pcap DAQ configured to passive.
>> Acquiring network traffic from "eno1".
>> ERROR: Cannot set gid: 1001
>> Fatal Error, Quitting..
>> 
>> If I try to run Snort using the ./snort -A fast -b -d -i eno1 -u snort
>> -g snort -c /etc/snort/snort.conf -l /var/log/snort command, it fails
>> with the following output:
>> Rule application order:
>> activation->dynamic->pass->drop->sdrop->reject->alert->log
>> Verifying Preprocessor Configurations!
>> pcap DAQ configured to passive.
>> Acquiring network traffic from "eno1".
>> Reload thread starting...
>> Reload thread started, thread 0x7f4d14672700 (10779)
>> ERROR: Can't start DAQ (-1) - socket: Operation not permitted!
>> Fatal Error, Quitting..
>> 
>> Obviously, there is a problem with the configuration somewhere.  I
>> followed the instructions at
>> https://s3.amazonaws.com/snort-org-site/production/document_files/files/000/000/059/original/snort-fedora17-18-19-2970.pdf?AWSAccessKeyId=AKIAIXACIED2SPMSC7GA&Expires=1426107376&Signature=V9TkUOJ10YRVOyfpNw8LnujC8Xo%3D <https://s3.amazonaws.com/snort-org-site/production/document_files/files/000/000/059/original/snort-fedora17-18-19-2970.pdf?AWSAccessKeyId=AKIAIXACIED2SPMSC7GA&Expires=1426107376&Signature=V9TkUOJ10YRVOyfpNw8LnujC8Xo%3D>. without success.  I searched for similar errors on the Internet, but have not found a solution.  Running the commands above as root produces the same results.  No information is written to the /var/log/messages or /var/log/snort logs.  
>> 
>> The complete snort.conf file is below.  Any help would be appreciated.  
>> 
>> Thanks,
>> 
>> Redcrosse
>> 
>> Here is the config file:
>> #--------------------------------------------------
>> #   VRT Rule Packages Snort.conf
>> #
>> #   For more information visit us at:
>> #     http://www.snort.org <http://www.snort.org/>                   Snort Website
>> #     http://vrt-blog.snort.org/ <http://vrt-blog.snort.org/>    Sourcefire VRT Blog
>> #
>> #     Mailing list Contact:      snort-sigs at lists.sourceforge.net <mailto:snort-sigs at lists.sourceforge.net>
>> #     False Positive reports:    fp at ...1935... <mailto:fp at ...1935...>
>> #     Snort bugs:                bugs at ...950... <mailto:bugs at ...950...>
>> #
>> #     Compatible with Snort Versions:
>> #     VERSIONS : 2.9.7.0
>> #
>> #     Snort build options:
>> #     OPTIONS : --enable-gre --enable-mpls --enable-targetbased
>> --enable-ppm --enable-perfprofil
>> ing --enable-zlib --enable-active-response --enable-normalizer
>> --enable-reload --enable-react --
>> enable-flexresp3
>> #
>> #     Additional information:
>> #     This configuration file enables active response, to run snort in
>> #     test mode -T you are required to supply an interface -i
>> <interface>
>> #     or test mode will fail to fully validate the configuration and
>> #     exit with a FATAL error
>> #--------------------------------------------------
>> 
>> ###################################################
>> # This file contains a sample snort configuration. 
>> # You should take the following steps to create your own custom
>> configuration:
>> #
>> #  1) Set the network variables.
>> #  2) Configure the decoder
>> #  3) Configure the base detection engine
>> #  4) Configure dynamic loaded libraries
>> #  5) Configure preprocessors
>> #  6) Configure output plugins
>> #  7) Customize your rule set
>> #  8) Customize preprocessor and decoder rule set
>> #  9) Customize shared object rule set
>> ###################################################
>> 
>> ###################################################
>> # Step #1: Set the network variables.  For more information, see
>> README.variables
>> ###################################################
>> 
>> # Setup the network addresses you are protecting
>> var HOME_NET 192.168.2.0/24
>> 
>> # Set up the external network addresses. Leave as "any" in most
>> situations
>> var EXTERNAL_NET $HOME_NET
>> 
>> # List of DNS servers on your network 
>> var DNS_SERVERS $HOME_NET
>> 
>> # List of SMTP servers on your network
>> var SMTP_SERVERS $HOME_NET
>> 
>> # List of web servers on your network
>> var HTTP_SERVERS $HOME_NET
>> 
>> # List of sql servers on your network 
>> var SQL_SERVERS $HOME_NET
>> 
>> # List of telnet servers on your network
>> var TELNET_SERVERS $HOME_NET
>> 
>> # List of ssh servers on your network
>> var SSH_SERVERS $HOME_NET
>> 
>> # List of ftp servers on your network
>> var FTP_SERVERS $HOME_NET
>> 
>> # List of sip servers on your network
>> var SIP_SERVERS $HOME_NET
>> 
>> # List of ports you run web servers on
>> portvar HTTP_PORTS
>> [80,81,311,383,591,593,901,1220,1414,1741,1830,2301,2381,2809,3037,3128,3702,
>> 4343,4848,5250,6988,7000,7001,7144,7145,7510,7777,7779,8000,8008,8014,8028,8080,8085,8088,8090,8
>> 118,8123,8180,8181,8243,8280,8300,8800,8888,8899,9000,9060,9080,9090,9091,9443,9999,11371,34443,
>> 34444,41080,50002,55555]
>> 
>> # List of ports you want to look for SHELLCODE on.
>> portvar SHELLCODE_PORTS !80
>> 
>> # List of ports you might see oracle attacks on
>> portvar ORACLE_PORTS 1024:
>> 
>> # List of ports you want to look for SSH connections on:
>> portvar SSH_PORTS 22
>> 
>> # List of ports you run ftp servers on
>> portvar FTP_PORTS [21,2100,3535]
>> 
>> # List of ports you run SIP servers on
>> portvar SIP_PORTS [5060,5061,5600]
>> 
>> # List of file data ports for file inspection
>> portvar FILE_DATA_PORTS [$HTTP_PORTS,110,143]
>> 
>> # List of GTP ports for GTP preprocessor
>> portvar GTP_PORTS [2123,2152,3386]
>> 
>> # other variables, these should not be modified
>> 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.
>> 188.3.0/24,205.188.5.0/24,205.188.7.0/24,205.188.9.0/24,205.188.153.0/24,205.188.179.0/24,205.18
>> 8.248.0/24]
>> 
>> # 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 SO_RULE_PATH so_rules
>> var PREPROC_RULE_PATH preproc_rules
>> 
>> # If you are using reputation preprocessor set these
>> # Currently there is a bug with relative paths, they are relative to
>> where snort is
>> # not relative to snort.conf like the above variables
>> # This is completely inconsistent with how other vars work, BUG 89986
>> # Set the absolute path appropriately
>> var WHITE_LIST_PATH rules
>> var BLACK_LIST_PATH rules
>> 
>> ###################################################
>> # Step #2: Configure the decoder.  For more information, see
>> README.decode
>> ###################################################
>> 
>> # Stop generic decode events:
>> config disable_decode_alerts
>> 
>> # Stop Alerts on experimental TCP options
>> config disable_tcpopt_experimental_alerts
>> 
>> # Stop Alerts on obsolete TCP options
>> config disable_tcpopt_obsolete_alerts
>> 
>> # Stop Alerts on T/TCP alerts
>> config disable_tcpopt_ttcp_alerts
>> 
>> # Stop Alerts on all other TCPOption type events:
>> config disable_tcpopt_alerts
>> 
>> # Stop Alerts on invalid ip options
>> config disable_ipopt_alerts
>> 
>> # Alert if value in length field (IP, TCP, UDP) is greater th elength of
>> the packet
>> # config enable_decode_oversized_alerts
>> 
>> # Same as above, but drop packet if in Inline mode (requires
>> enable_decode_oversized_alerts)
>> # config enable_decode_oversized_drops
>> 
>> # Configure IP / TCP checksum mode
>> config checksum_mode: all
>> 
>> # Configure maximum number of flowbit references.  For more information,
>> see README.flowbits
>> # config flowbits_size: 64
>> 
>> # Configure ports to ignore 
>> # config ignore_ports: tcp 21 6667:6671 1356
>> # config ignore_ports: udp 1:17 53
>> 
>> # Configure active response for non inline operation. For more
>> information, see REAMDE.active
>> # config response: eth0 attempts 2
>> 
>> # Configure DAQ related options for inline operation. For more
>> information, see README.daq
>> #
>> # config daq: <type>
>> # config daq_dir: <dir>
>> # config daq_mode: <mode>
>> # config daq_var: <var>
>> #
>> # <type> ::= pcap | afpacket | dump | nfq | ipq | ipfw
>> # <mode> ::= read-file | passive | inline
>> # <var> ::= arbitrary <name>=<value passed to DAQ
>> # <dir> ::= path as to where to look for DAQ module so's
>> 
>> # Configure specific UID and GID to run snort as after dropping privs.
>> For more information see 
>> snort -h command line options
>> #
>> # config set_gid:
>> # config set_uid:
>> 
>> # Configure default snaplen. Snort defaults to MTU of in use interface.
>> For more information see
>> README
>> #
>> # config snaplen:
>> #
>> 
>> # Configure default bpf_file to use for filtering what traffic reaches
>> snort. For more informati
>> on see snort -h command line options (-F)
>> #
>> # config bpf_file:
>> #
>> 
>> # Configure default log directory for snort to log to.  For more
>> information see snort -h comman
>> d line options (-l)
>> #
>> # config logdir:
>> 
>> 
>> ###################################################
>> # Step #3: Configure the base detection engine.  For more information,
>> see  README.decode
>> ###################################################
>> 
>> # Configure PCRE match limitations
>> config pcre_match_limit: 3500
>> config pcre_match_limit_recursion: 1500
>> 
>> # Configure the detection engine  See the Snort Manual, Configuring
>> Snort - Includes - Config
>> config detection: search-method ac-split search-optimize max-pattern-len
>> 20
>> 
>> # Configure the event queue.  For more information, see
>> README.event_queue
>> config event_queue: max_queue 8 log 5 order_events content_length
>> 
>> ###################################################
>> ## Configure GTP if it is to be used.
>> ## For more information, see README.GTP
>> ####################################################
>> 
>> # config enable_gtp
>> 
>> ###################################################
>> # Per packet and rule latency enforcement
>> # For more information see README.ppm
>> ###################################################
>> 
>> # Per Packet latency configuration
>> #config ppm: max-pkt-time 250, \
>> #   fastpath-expensive-packets, \
>> #   pkt-log
>> 
>> # Per Rule latency configuration
>> #config ppm: max-rule-time 200, \
>> #   threshold 3, \
>> #   suspend-expensive-rules, \
>> #   suspend-timeout 20, \
>> #   rule-log alert
>> 
>> ###################################################
>> # Configure Perf Profiling for debugging
>> # For more information see README.PerfProfiling
>> ###################################################
>> 
>> #config profile_rules: print all, sort avg_ticks
>> #config profile_preprocs: print all, sort avg_ticks
>> 
>> ###################################################
>> # Configure protocol aware flushing
>> # For more information see README.stream5
>> ###################################################
>> config paf_max: 16000
>> 
>> ###################################################
>> # Step #4: Configure dynamic loaded libraries.  
>> # For more information, see Snort Manual, Configuring Snort - Dynamic
>> Modules
>> ###################################################
>> 
>> # path to dynamic preprocessor libraries
>> dynamicpreprocessor
>> directory /usr/lib64/snort-2.9.7.0_dynamicpreprocessor/
>> 
>> # path to base preprocessor engine
>> dynamicengine /usr/lib64/snort-2.9.7.0_dynamicengine/libsf_engine.so
>> 
>> # path to dynamic rules libraries
>> dynamicdetection directory /usr/local/lib/snort_dynamicrules
>> 
>> ###################################################
>> # Step #5: Configure preprocessors
>> # For more information, see the Snort Manual, Configuring Snort -
>> Preprocessors
>> ###################################################
>> 
>> # GTP Control Channle Preprocessor. For more information, see README.GTP
>> # preprocessor gtp: ports { 2123 3386 2152 }
>> 
>> # Inline packet normalization. For more information, see
>> README.normalize
>> # Does nothing in IDS mode
>> preprocessor normalize_ip4: [df], [rf]
>> preprocessor normalize_tcp: \
>> preprocessor normalize_icmp4
>> preprocessor normalize_ip6
>> preprocessor normalize_icmp6
>> 
>> # Target-based IP defragmentation.  For more inforation, see
>> README.frag3
>> preprocessor frag3_global: max_frags 65536
>> preprocessor frag3_engine: policy windows detect_anomalies overlap_limit
>> 10 min_fragment_length 
>> 100 timeout 180
>> 
>> # Target-Based stateful inspection/stream reassembly.  For more
>> inforation, see README.stream5
>> preprocessor stream5_global: track_tcp yes, \
>>   track_udp yes, \
>>   track_icmp no, \ 
>>   max_tcp 262144, \
>>   max_udp 131072, \
>>   max_active_responses 2, \
>>   min_response_seconds 5
>> preprocessor stream5_tcp: policy windows, detect_anomalies, require_3whs
>> 180, \
>>   overlap_limit 10, small_segments 3 bytes 150, timeout 180, \
>>    ports client 21 22 23 25 42 53 79 109 110 111 113 119 135 136 137
>> 139 143 \
>>        161 445 513 514 587 593 691 1433 1521 1741 2100 3306 6070 6665
>> 6666 6667 6668 6669 \
>>        7000 8181 32770 32771 32772 32773 32774 32775 32776 32777 32778
>> 32779, \
>>    ports both 80 81 311 383 443 465 563 591 593 636 901 989 992 993 994
>> 995 1220 1414 1830 2301
>> 2381 2809 3037 3128 3702 4343 4848 5250 6988 7907 7000 7001 7144 7145
>> 7510 7802 7777 7779 \
>>        7801 7900 7901 7902 7903 7904 7905 7906 7908 7909 7910 7911 7912
>> 7913 7914 7915 7916 \
>>        7917 7918 7919 7920 8000 8008 8014 8028 8080 8085 8088 8090 8118
>> 8123 8180 8243 8280 830
>> 0 8800 8888 8899 9000 9060 9080 9090 9091 9443 9999 11371 34443 34444
>> 41080 50002 55555
>> preprocessor stream5_udp: timeout 180
>> 
>> # performance statistics.  For more information, see the Snort Manual,
>> Configuring Snort - Prepr
>> ocessors - Performance Monitor
>> # preprocessor perfmonitor: time 300 file /var/snort/snort.stats pktcnt
>> 10000
>> 
>> # HTTP normalization and anomaly detection.  For more information, see
>> README.http_inspect
>> preprocessor http_inspect: global iis_unicode_map unicode.map 1252
>> compress_depth 65535 decompre
>> ss_depth 65535
>> preprocessor http_inspect_server: server default \
>>    http_methods { GET POST PUT SEARCH MKCOL COPY MOVE LOCK UNLOCK
>> NOTIFY POLL BCOPY BDELETE BMO
>> VE LINK UNLINK OPTIONS HEAD DELETE TRACE TRACK CONNECT SOURCE SUBSCRIBE
>> UNSUBSCRIBE PROPFIND PRO
>> PPATCH BPROPFIND BPROPPATCH RPC_CONNECT PROXY_SUCCESS BITS_POST CCM_POST
>> SMS_POST RPC_IN_DATA RP
>> C_OUT_DATA RPC_ECHO_DATA } \
>>    chunk_length 500000 \
>>    server_flow_depth 0 \
>>    client_flow_depth 0 \
>>    post_depth 65495 \
>>    oversize_dir_length 500 \
>>    max_header_length 750 \
>>    max_headers 100 \
>>    max_spaces 200 \
>>    small_chunk_length { 10 5 } \
>>    ports { 80 81 311 383 591 593 901 1220 1414 1741 1830 2301 2381 2809
>> 3037 3128 3702 4343 484
>> 8 5250 6988 7000 7001 7144 7145 7510 7777 7779 8000 8008 8014 8028 8080
>> 8085 8088 8090 8118 8123
>> 8180 8181 8243 8280 8300 8800 8888 8899 9000 9060 9080 9090 9091 9443
>> 9999 11371 34443 34444 41
>> 080 50002 55555 } \
>>    non_rfc_char { 0x00 0x01 0x02 0x03 0x04 0x05 0x06 0x07 } \
>>    enable_cookie \
>>    extended_response_inspection \
>>    inspect_gzip \
>>    normalize_utf \
>>    unlimited_decompress \
>>    normalize_javascript \
>>    apache_whitespace no \
>>    ascii no \
>>    bare_byte no \
>>    directory no \
>>    double_decode no \
>>    iis_backslash no \
>>    iis_delimiter no \
>>    iis_unicode no \
>>    multi_slash no \
>>    utf_8 no \
>>    u_encode yes \
>>    webroot no
>> 
>> # ONC-RPC normalization and anomaly detection.  For more information,
>> see the Snort Manual, Conf
>> iguring Snort - Preprocessors - RPC Decode
>> preprocessor rpc_decode: 111 32770 32771 32772 32773 32774 32775 32776
>> 32777 32778 32779 no_aler
>> t_multiple_requests no_alert_large_fragments no_alert_incomplete
>> 
>> # Back Orifice detection.
>> preprocessor bo
>> 
>> # FTP / Telnet normalization and anomaly detection.  For more
>> information, see README.ftptelnet
>> preprocessor ftp_telnet: global inspection_type stateful
>> encrypted_traffic no check_encrypted
>> preprocessor ftp_telnet_protocol: telnet \
>>    ayt_attack_thresh 20 \
>>    normalize ports { 23 } \
>>    detect_anomalies
>> preprocessor ftp_telnet_protocol: ftp server default \
>>    def_max_param_len 100 \
>>    ports { 21 2100 3535 } \
>>    telnet_cmds yes \
>>    ignore_telnet_erase_cmds yes \
>>    ftp_cmds { ABOR ACCT ADAT ALLO APPE AUTH CCC CDUP } \
>>    ftp_cmds { CEL CLNT CMD CONF CWD DELE ENC EPRT } \
>>    ftp_cmds { EPSV ESTA ESTP FEAT HELP LANG LIST LPRT } \
>>    ftp_cmds { LPSV MACB MAIL MDTM MIC MKD MLSD MLST } \
>>    ftp_cmds { MODE NLST NOOP OPTS PASS PASV PBSZ PORT } \
>>    ftp_cmds { PROT PWD QUIT REIN REST RETR RMD RNFR } \
>>    ftp_cmds { RNTO SDUP SITE SIZE SMNT STAT STOR STOU } \
>>    ftp_cmds { STRU SYST TEST TYPE USER XCUP XCRC XCWD } \
>>    ftp_cmds { XMAS XMD5 XMKD XPWD XRCP XRMD XRSQ XSEM } \
>>    ftp_cmds { XSEN XSHA1 XSHA256 } \
>>    alt_max_param_len 0 { ABOR CCC CDUP ESTA FEAT LPSV NOOP PASV PWD
>> QUIT REIN STOU SYST XCUP XP
>> WD } \
>>    alt_max_param_len 200 { ALLO APPE CMD HELP NLST RETR RNFR STOR STOU
>> XMKD } \
>>    alt_max_param_len 256 { CWD RNTO } \
>>    alt_max_param_len 400 { PORT } \
>>    alt_max_param_len 512 { SIZE } \
>>    chk_str_fmt { ACCT ADAT ALLO APPE AUTH CEL CLNT CMD } \
>>    chk_str_fmt { CONF CWD DELE ENC EPRT EPSV ESTP HELP } \
>>    chk_str_fmt { LANG LIST LPRT MACB MAIL MDTM MIC MKD } \
>>    chk_str_fmt { MLSD MLST MODE NLST OPTS PASS PBSZ PORT } \
>>    chk_str_fmt { PROT REST RETR RMD RNFR RNTO SDUP SITE } \
>>    chk_str_fmt { SIZE SMNT STAT STOR STRU TEST TYPE USER } \
>>    chk_str_fmt { XCRC XCWD XMAS XMD5 XMKD XRCP XRMD XRSQ } \ 
>>    chk_str_fmt { XSEM XSEN XSHA1 XSHA256 } \
>>    cmd_validity ALLO < int [ char R int ] > \    
>>    cmd_validity EPSV < [ { char 12 | char A char L char L } ] > \
>>    cmd_validity MACB < string > \
>>    cmd_validity MDTM < [ date nnnnnnnnnnnnnn[.n[n[n]]] ] string > \
>>    cmd_validity MODE < char ASBCZ > \
>>    cmd_validity PORT < host_port > \
>>    cmd_validity PROT < char CSEP > \
>>    cmd_validity STRU < char FRPO [ string ] > \    
>>    cmd_validity TYPE < { char AE [ char NTC ] | char I | char L
>> [ number ] } >
>> preprocessor ftp_telnet_protocol: ftp client default \
>>    max_resp_len 256 \
>>    bounce yes \
>>    ignore_telnet_erase_cmds yes \
>>    telnet_cmds yes
>> 
>> 
>> # SMTP normalization and anomaly detection.  For more information, see
>> README.SMTP
>> preprocessor smtp: ports { 25 465 587 691 } \
>>    inspection_type stateful \
>>    b64_decode_depth 0 \
>>    qp_decode_depth 0 \
>>    bitenc_decode_depth 0 \
>>    uu_decode_depth 0 \
>>    log_mailfrom \
>>    log_rcptto \
>>    log_filename \
>>    log_email_hdrs \
>>    normalize cmds \
>>    normalize_cmds { ATRN AUTH BDAT CHUNKING DATA DEBUG EHLO EMAL ESAM
>> ESND ESOM ETRN EVFY } \
>>    normalize_cmds { EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT
>> RSET SAML SEND SOML } \
>>    normalize_cmds { STARTTLS TICK TIME TURN TURNME VERB VRFY X-ADAT
>> X-DRCP X-ERCP X-EXCH50 } \
>>    normalize_cmds { X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN
>> XLICENSE XQUE XSTA XTRN XU
>> SR } \
>>    max_command_line_len 512 \
>>    max_header_line_len 1000 \
>>    max_response_line_len 512 \
>>    alt_max_command_line_len 260 { MAIL } \
>>    alt_max_command_line_len 300 { RCPT } \
>>    alt_max_command_line_len 500 { HELP HELO ETRN EHLO } \
>>    alt_max_command_line_len 255 { EXPN VRFY ATRN SIZE BDAT DEBUG EMAL
>> ESAM ESND ESOM EVFY IDENT
>> NOOP RSET } \
>>    alt_max_command_line_len 246 { SEND SAML SOML AUTH TURN ETRN DATA
>> RSET QUIT ONEX QUEU STARTT
>> LS TICK TIME TURNME VERB X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50
>> XGEN XLICENSE XQUE XSTA XTR
>> N XUSR } \
>>    valid_cmds { ATRN AUTH BDAT CHUNKING DATA DEBUG EHLO EMAL ESAM ESND
>> ESOM ETRN EVFY } \ 
>>    valid_cmds { EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT RSET
>> SAML SEND SOML } \
>>    valid_cmds { STARTTLS TICK TIME TURN TURNME VERB VRFY X-ADAT X-DRCP
>> X-ERCP X-EXCH50 } \
>>    valid_cmds { X-EXPS X-LINK2STATE XADR XAUTH XCIR XEXCH50 XGEN
>> XLICENSE XQUE XSTA XTRN XUSR }
>> \
>>    xlink2state { enabled }
>> 
>> # Portscan detection.  For more information, see README.sfportscan
>> # preprocessor sfportscan: proto  { all } memcap { 10000000 }
>> sense_level { low }
>> 
>> # ARP spoof detection.  For more information, see the Snort Manual -
>> Configuring Snort - Preproc
>> essors - ARP Spoof Preprocessor
>> # preprocessor arpspoof
>> # preprocessor arpspoof_detect_host: 192.168.40.1 f0:0f:00:f0:0f:00
>> 
>> # SSH anomaly detection.  For more information, see README.ssh
>> preprocessor ssh: server_ports { 22 } \
>>                  autodetect \
>>                  max_client_bytes 19600 \
>>                  max_encrypted_packets 20 \
>>                  max_server_version_len 100 \
>>                  enable_respoverflow enable_ssh1crc32 \
>>                  enable_srvoverflow enable_protomismatch
>> 
>> # SMB / DCE-RPC normalization and anomaly detection.  For more
>> information, see README.dcerpc2
>> preprocessor dcerpc2: memcap 102400, events [co ]
>> preprocessor dcerpc2_server: default, policy WinXP, \
>>    detect [smb [139,445], tcp 135, udp 135, rpc-over-http-server 593],
>> \
>>    autodetect [tcp 1025:, udp 1025:, rpc-over-http-server 1025:], \
>>    smb_max_chain 3, smb_invalid_shares ["C$", "D$", "ADMIN$"]
>> 
>> # DNS anomaly detection.  For more information, see README.dns
>> preprocessor dns: ports { 53 } enable_rdata_overflow
>> 
>> # SSL anomaly detection and traffic bypass.  For more information, see
>> README.ssl
>> preprocessor ssl: ports { 443 465 563 636 989 992 993 994 995 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
>> 
>> # SDF sensitive data preprocessor.  For more information see
>> README.sensitive_data
>> preprocessor sensitive_data: alert_threshold 25
>> 
>> # SIP Session Initiation Protocol preprocessor.  For more information
>> see README.sip
>> preprocessor sip: max_sessions 40000, \
>>   ports { 5060 5061 5600 }, \
>>   methods { invite \
>>             cancel \
>>             ack \
>>             bye \
>>             register \
>>             options \
>>             refer \
>>             subscribe \
>>             update \
>>             join \
>>             info \
>>             message \
>>             notify \
>>             benotify \
>>             do \
>>             qauth \
>>             sprack \
>>             publish \
>>             service \
>>             unsubscribe \
>>             prack }, \
>>   max_uri_len 512, \
>>   max_call_id_len 80, \
>>   max_requestName_len 20, \
>>   max_from_len 256, \
>>   max_to_len 256, \
>>   max_via_len 1024, \
>>   max_contact_len 512, \
>>   max_content_len 2048 
>> 
>> # IMAP preprocessor.  For more information see README.imap
>> preprocessor imap: \
>>   ports { 143 } \
>>   b64_decode_depth 0 \
>>   qp_decode_depth 0 \
>>   bitenc_decode_depth 0 \
>>   uu_decode_depth 0
>> 
>> # POP preprocessor. For more information see README.pop
>> preprocessor pop: \
>>   ports { 110 } \
>>   b64_decode_depth 0 \
>>   qp_decode_depth 0 \
>>   bitenc_decode_depth 0 \
>>   uu_decode_depth 0
>> 
>> # Modbus preprocessor. For more information see README.modbus
>> preprocessor modbus: ports { 502 }
>> 
>> # DNP3 preprocessor. For more information see README.dnp3
>> preprocessor dnp3: ports { 20000 } \
>>   memcap 262144 \
>>   check_crc
>> 
>> # Reputation preprocessor. For more information see README.reputation
>> preprocessor reputation: \
>>   memcap 500, \
>>   priority whitelist, \
>>   nested_ip inner, \
>>   whitelist $WHITE_LIST_PATH/white_list.rules, \
>>   blacklist $BLACK_LIST_PATH/black_list.rules 
>> 
>> ###################################################
>> # Step #6: Configure output plugins
>> # For more information, see Snort Manual, Configuring Snort - Output
>> Modules
>> ###################################################
>> 
>> # unified2 
>> # Recommended for most installs
>> # output unified2: filename merged.log, limit 128, nostamp,
>> mpls_event_types, vlan_event_types
>> 
>> # Additional configuration for specific types of installs
>> # output alert_unified2: filename snort.alert, limit 128, nostamp
>> # output log_unified2: filename snort.log, limit 128, nostamp 
>> 
>> # syslog
>> # output alert_syslog: LOG_AUTH LOG_ALERT
>> 
>> # pcap
>> # output log_tcpdump: tcpdump.log
>> 
>> # metadata reference data.  do not modify these lines
>> include classification.config
>> include reference.config
>> 
>> 
>> ###################################################
>> # Step #7: Customize your rule set
>> # For more information, see Snort Manual, Writing Snort Rules
>> #
>> # NOTE: All categories are enabled in this conf file
>> ###################################################
>> 
>> # site specific rules
>> include $RULE_PATH/local.rules
>> 
>> include $RULE_PATH/app-detect.rules
>> include $RULE_PATH/attack-responses.rules
>> include $RULE_PATH/backdoor.rules
>> include $RULE_PATH/bad-traffic.rules
>> include $RULE_PATH/blacklist.rules
>> include $RULE_PATH/botnet-cnc.rules
>> include $RULE_PATH/browser-chrome.rules
>> include $RULE_PATH/browser-firefox.rules
>> include $RULE_PATH/browser-ie.rules
>> include $RULE_PATH/browser-other.rules
>> include $RULE_PATH/browser-plugins.rules
>> include $RULE_PATH/browser-webkit.rules
>> include $RULE_PATH/chat.rules
>> include $RULE_PATH/content-replace.rules
>> include $RULE_PATH/ddos.rules
>> include $RULE_PATH/dns.rules
>> include $RULE_PATH/dos.rules
>> include $RULE_PATH/experimental.rules
>> include $RULE_PATH/exploit-kit.rules
>> include $RULE_PATH/exploit.rules
>> include $RULE_PATH/file-executable.rules
>> include $RULE_PATH/file-flash.rules
>> include $RULE_PATH/file-identify.rules
>> include $RULE_PATH/file-image.rules
>> include $RULE_PATH/file-multimedia.rules
>> include $RULE_PATH/file-office.rules
>> include $RULE_PATH/file-other.rules
>> include $RULE_PATH/file-pdf.rules
>> include $RULE_PATH/finger.rules
>> include $RULE_PATH/ftp.rules
>> include $RULE_PATH/icmp-info.rules
>> include $RULE_PATH/icmp.rules
>> include $RULE_PATH/imap.rules
>> include $RULE_PATH/indicator-compromise.rules
>> include $RULE_PATH/indicator-obfuscation.rules
>> include $RULE_PATH/indicator-shellcode.rules
>> include $RULE_PATH/info.rules
>> include $RULE_PATH/malware-backdoor.rules
>> include $RULE_PATH/malware-cnc.rules
>> include $RULE_PATH/malware-other.rules
>> include $RULE_PATH/malware-tools.rules
>> include $RULE_PATH/misc.rules
>> include $RULE_PATH/multimedia.rules
>> include $RULE_PATH/mysql.rules
>> include $RULE_PATH/netbios.rules
>> include $RULE_PATH/nntp.rules
>> include $RULE_PATH/oracle.rules
>> include $RULE_PATH/os-linux.rules
>> include $RULE_PATH/os-other.rules
>> include $RULE_PATH/os-solaris.rules
>> include $RULE_PATH/os-windows.rules
>> include $RULE_PATH/other-ids.rules
>> include $RULE_PATH/p2p.rules
>> include $RULE_PATH/phishing-spam.rules
>> include $RULE_PATH/policy-multimedia.rules
>> include $RULE_PATH/policy-other.rules
>> include $RULE_PATH/policy.rules
>> include $RULE_PATH/policy-social.rules
>> include $RULE_PATH/policy-spam.rules
>> include $RULE_PATH/pop2.rules
>> include $RULE_PATH/pop3.rules
>> include $RULE_PATH/protocol-finger.rules
>> include $RULE_PATH/protocol-ftp.rules
>> include $RULE_PATH/protocol-icmp.rules
>> include $RULE_PATH/protocol-imap.rules
>> include $RULE_PATH/protocol-pop.rules
>> include $RULE_PATH/protocol-services.rules
>> include $RULE_PATH/protocol-voip.rules
>> include $RULE_PATH/pua-adware.rules
>> include $RULE_PATH/pua-other.rules
>> include $RULE_PATH/pua-p2p.rules
>> include $RULE_PATH/pua-toolbars.rules
>> include $RULE_PATH/rpc.rules
>> include $RULE_PATH/rservices.rules
>> include $RULE_PATH/scada.rules
>> include $RULE_PATH/scan.rules
>> include $RULE_PATH/server-apache.rules
>> include $RULE_PATH/server-iis.rules
>> include $RULE_PATH/server-mail.rules
>> include $RULE_PATH/server-mssql.rules
>> include $RULE_PATH/server-mysql.rules
>> include $RULE_PATH/server-oracle.rules
>> include $RULE_PATH/server-other.rules
>> include $RULE_PATH/server-webapp.rules
>> include $RULE_PATH/shellcode.rules
>> include $RULE_PATH/smtp.rules
>> include $RULE_PATH/snmp.rules
>> include $RULE_PATH/specific-threats.rules
>> include $RULE_PATH/spyware-put.rules
>> include $RULE_PATH/sql.rules
>> include $RULE_PATH/telnet.rules
>> include $RULE_PATH/tftp.rules
>> include $RULE_PATH/virus.rules
>> include $RULE_PATH/voip.rules
>> include $RULE_PATH/web-activex.rules
>> include $RULE_PATH/web-attacks.rules
>> include $RULE_PATH/web-cgi.rules
>> include $RULE_PATH/web-client.rules
>> include $RULE_PATH/web-coldfusion.rules
>> include $RULE_PATH/web-frontpage.rules
>> include $RULE_PATH/web-iis.rules
>> include $RULE_PATH/web-misc.rules
>> include $RULE_PATH/web-php.rules
>> include $RULE_PATH/x11.rules
>> 
>> ###################################################
>> # Step #8: Customize your preprocessor and decoder alerts
>> # For more information, see README.decoder_preproc_rules
>> ###################################################
>> 
>> # decoder and preprocessor event rules
>> # include $PREPROC_RULE_PATH/preprocessor.rules
>> # include $PREPROC_RULE_PATH/decoder.rules
>> # include $PREPROC_RULE_PATH/sensitive-data.rules
>> 
>> ###################################################
>> # Step #9: Customize your Shared Object Snort Rules
>> # For more information, see
>> http://vrt-blog.snort.org/2009/01/using-vrt-certified-shared-object- <http://vrt-blog.snort.org/2009/01/using-vrt-certified-shared-object->
>> rules.html
>> ###################################################
>> 
>> # dynamic library rules
>> # include $SO_RULE_PATH/bad-traffic.rules
>> # include $SO_RULE_PATH/chat.rules
>> # include $SO_RULE_PATH/dos.rules
>> # include $SO_RULE_PATH/exploit.rules
>> # include $SO_RULE_PATH/icmp.rules
>> # include $SO_RULE_PATH/imap.rules
>> # include $SO_RULE_PATH/misc.rules
>> # include $SO_RULE_PATH/multimedia.rules
>> # include $SO_RULE_PATH/netbios.rules
>> # include $SO_RULE_PATH/nntp.rules
>> # include $SO_RULE_PATH/p2p.rules
>> # include $SO_RULE_PATH/smtp.rules
>> # include $SO_RULE_PATH/snmp.rules
>> # include $SO_RULE_PATH/specific-threats.rules
>> # include $SO_RULE_PATH/web-activex.rules
>> # include $SO_RULE_PATH/web-client.rules
>> # include $SO_RULE_PATH/web-iis.rules
>> # include $SO_RULE_PATH/web-misc.rules
>> 
>> # Event thresholding or suppression commands. See threshold.conf 
>> include threshold.conf
>> 
>> 
>> 
>> 
>> 
>> ------------------------------------------------------------------------------
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>> Go to this URL to change user options or unsubscribe:
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>> 
>> Please visit http://blog.snort.org to stay current on all the latest Snort news!
> 

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