Snort mailing list archives
Re: Unknown ClassType
From: Alex Kirk <akirk () sourcefire com>
Date: Mon, 10 Sep 2012 14:42:13 -0400
I've run into this a time or two myself when I had commented out something above, where the line before what I'd commented out wasn't fully terminated (i.e. had a "\" at the end to indicate multi-line config). I'd take a look at what's directly above the line for including your classification.config (probably the IP rep preprocessor), and see if you accidentally messed something up there. On Mon, Sep 10, 2012 at 2:36 PM, Brian Swan <steelysama () gmail com> wrote:
Hi,
I am trying to implement Snort 2.9.3.1 on a server running CentOS 6.3
64-bit. I had previously run it successfully using the same version on a
machine with Fedora 17 32-bit. I am using a very similar configuration, but
for some reason it will not accept the rules properly. Here is the output
that I am getting:
Running in IDS mode
--== Initializing Snort ==--
Initializing Output Plugins!
Initializing Preprocessors!
Initializing Plug-ins!
Parsing Rules file "snort.conf"
PortVar 'HTTP_PORTS' defined : [ 80 ]
PortVar 'SHELLCODE_PORTS' defined : [ 0:79 81:65535 ]
PortVar 'ORACLE_PORTS' defined : [ 1024:65535 ]
PortVar 'SSH_PORTS' defined : [ 22 ]
PortVar 'FTP_PORTS' defined : [ 21 2100 3535 ]
PortVar 'SIP_PORTS' defined : [ 5060:5061 5600 ]
PortVar 'FILE_DATA_PORTS' defined : [ 80 110 143 ]
PortVar 'GTP_PORTS' defined : [ 2123 2152 3386 ]
Detection:
Search-Method = AC-Full-Q
Split Any/Any group = enabled
Search-Method-Optimizations = enabled
Maximum pattern length = 20
Tagged Packet Limit: 256
Loading dynamic engine
/usr/local/lib/snort_dynamicengine/libsf_engine.so... done
Loading all dynamic detection libs from
/usr/local/lib/snort_dynamicrules...
WARNING: No dynamic libraries found in directory
/usr/local/lib/snort_dynamicrules.
Finished Loading all dynamic detection libs from
/usr/local/lib/snort_dynamicrules
Loading all dynamic preprocessor libs from
/usr/local/lib/snort_dynamicpreprocessor/...
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_gtp_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_ssh_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_smtp_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_reputation_preproc.so...
done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_dnp3_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_dce2_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_dns_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_imap_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_sdf_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_pop_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_ssl_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_ftptelnet_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_sip_preproc.so... done
Loading dynamic preprocessor library
/usr/local/lib/snort_dynamicpreprocessor//libsf_modbus_preproc.so... done
Finished Loading all dynamic preprocessor libs from
/usr/local/lib/snort_dynamicpreprocessor/
Log directory = /var/log/snort
WARNING: ip4 normalizations disabled because not inline.
WARNING: tcp normalizations disabled because not inline.
WARNING: icmp4 normalizations disabled because not inline.
WARNING: ip6 normalizations disabled because not inline.
WARNING: icmp6 normalizations disabled because not inline.
Frag3 global config:
Max frags: 65536
Fragment memory cap: 4194304 bytes
Frag3 engine config:
Bound Address: default
Target-based policy: WINDOWS
Fragment timeout: 180 seconds
Fragment min_ttl: 1
Fragment Anomalies: Alert
Overlap Limit: 10
Min fragment Length: 100
Stream5 global config:
Track TCP sessions: ACTIVE
Max TCP sessions: 262144
Memcap (for reassembly packet storage): 8388608
Track UDP sessions: ACTIVE
Max UDP sessions: 131072
Track ICMP sessions: INACTIVE
Track IP sessions: INACTIVE
Log info if session memory consumption exceeds 1048576
Send up to 2 active responses
Wait at least 5 seconds between responses
Protocol Aware Flushing: ACTIVE
Maximum Flush Point: 16000
Stream5 TCP Policy config:
Bound Address: default
Reassembly Policy: WINDOWS
Timeout: 180 seconds
Limit on TCP Overlaps: 10
Maximum number of bytes to queue per session: 1048576
Maximum number of segs to queue per session: 2621
Options:
Require 3-Way Handshake: YES
3-Way Handshake Timeout: 180
Detect Anomalies: YES
Reassembly Ports:
21 client (Footprint)
22 client (Footprint)
23 client (Footprint)
25 client (Footprint)
42 client (Footprint)
53 client (Footprint)
79 client (Footprint)
80 client (Footprint) server (Footprint)
81 client (Footprint) server (Footprint)
109 client (Footprint)
110 client (Footprint)
111 client (Footprint)
113 client (Footprint)
119 client (Footprint)
135 client (Footprint)
136 client (Footprint)
137 client (Footprint)
139 client (Footprint)
143 client (Footprint)
161 client (Footprint)
additional ports configured but not printed.
Stream5 UDP Policy config:
Timeout: 180 seconds
HttpInspect Config:
GLOBAL CONFIG
Max Pipeline Requests: 0
Inspection Type: STATELESS
Detect Proxy Usage: NO
IIS Unicode Map Filename: ./unicode.map
IIS Unicode Map Codepage: 1252
Memcap used for logging URI and Hostname: 150994944
Max Gzip Memory: 838860
Max Gzip Sessions: 5518
Gzip Compress Depth: 65535
Gzip Decompress Depth: 65535
DEFAULT SERVER CONFIG:
Server profile: All
Ports (PAF): 80 81 311 591 593 901 1220 1414 1830 2301 2381 2809
3128 3702 4343 5250 7001 7145 7510 7777 7779 8000 8008 8014 8028 8080 8088
8118 8123 8180 8181 8243 8280 8800 8888 8899 9080 9090 9091 9443 9999 11371
55555
Server Flow Depth: 0
Client Flow Depth: 0
Max Chunk Length: 500000
Small Chunk Length Evasion: chunk size <= 10, threshold >= 5 times
Max Header Field Length: 750
Max Number Header Fields: 100
Max Number of WhiteSpaces allowed with header folding: 0
Inspect Pipeline Requests: YES
URI Discovery Strict Mode: NO
Allow Proxy Usage: NO
Disable Alerting: NO
Oversize Dir Length: 500
Only inspect URI: NO
Normalize HTTP Headers: NO
Inspect HTTP Cookies: YES
Inspect HTTP Responses: YES
Extract Gzip from responses: YES
Unlimited decompression of gzip data from responses: YES
Normalize Javascripts in HTTP Responses: YES
Max Number of WhiteSpaces allowed with Javascript Obfuscation in
HTTP responses: 200
Normalize HTTP Cookies: NO
Enable XFF and True Client IP: NO
Log HTTP URI data: NO
Log HTTP Hostname data: NO
Extended ASCII code support in URI: NO
Ascii: YES alert: NO
Double Decoding: YES alert: NO
%U Encoding: YES alert: YES
Bare Byte: YES alert: NO
UTF 8: YES alert: NO
IIS Unicode: YES alert: NO
Multiple Slash: YES alert: NO
IIS Backslash: YES alert: NO
Directory Traversal: YES alert: NO
Web Root Traversal: YES alert: NO
Apache WhiteSpace: YES alert: NO
IIS Delimiter: YES alert: NO
IIS Unicode Map: GLOBAL IIS UNICODE MAP CONFIG
Non-RFC Compliant Characters: 0x00 0x01 0x02 0x03 0x04 0x05 0x06
0x07
Whitespace Characters: 0x09 0x0b 0x0c 0x0d
rpc_decode arguments:
Ports to decode RPC on: 111 32770 32771 32772 32773 32774 32775 32776
32777 32778 32779
alert_fragments: INACTIVE
alert_large_fragments: INACTIVE
alert_incomplete: INACTIVE
alert_multiple_requests: INACTIVE
FTPTelnet Config:
GLOBAL CONFIG
Inspection Type: stateful
Check for Encrypted Traffic: YES alert: NO
Continue to check encrypted data: NO
TELNET CONFIG:
Ports: 23
Are You There Threshold: 20
Normalize: YES
Detect Anomalies: YES
FTP CONFIG:
FTP Server: default
Ports (PAF): 21 2100 3535
Check for Telnet Cmds: YES alert: YES
Ignore Telnet Cmd Operations: YES alert: YES
Identify open data channels: NO
FTP Client: default
Check for Bounce Attacks: YES alert: YES
Check for Telnet Cmds: YES alert: YES
Ignore Telnet Cmd Operations: YES alert: YES
Max Response Length: 256
SMTP Config:
Ports: 25 465 587 691
Inspection Type: Stateful
Normalize: ATRN AUTH BDAT DATA DEBUG EHLO EMAL ESAM ESND ESOM ETRN
EVFY EXPN HELO HELP IDENT MAIL NOOP ONEX QUEU QUIT RCPT RSET SAML SEND
STARTTLS SOML TICK TIME TURN TURNME VERB VRFY X-EXPS XADR XAUTH XCIR
XEXCH50 XGEN XLICENSE X-LINK2STATE XQUE XSTA XTRN XUSR CHUNKING X-ADAT
X-DRCP X-ERCP X-EXCH50
Ignore Data: No
Ignore TLS Data: No
Ignore SMTP Alerts: No
Max Command Line Length: 512
Max Specific Command Line Length:
ATRN:255 AUTH:246 BDAT:255 DATA:246 DEBUG:255
EHLO:500 EMAL:255 ESAM:255 ESND:255 ESOM:255
ETRN:246 EVFY:255 EXPN:255 HELO:500 HELP:500
IDENT:255 MAIL:260 NOOP:255 ONEX:246 QUEU:246
QUIT:246 RCPT:300 RSET:246 SAML:246 SEND:246
SIZE:255 STARTTLS:246 SOML:246 TICK:246 TIME:246
TURN:246 TURNME:246 VERB:246 VRFY:255 X-EXPS:246
XADR:246 XAUTH:246 XCIR:246 XEXCH50:246 XGEN:246
XLICENSE:246 X-LINK2STATE:246 XQUE:246 XSTA:246 XTRN:246
XUSR:246
Max Header Line Length: 1000
Max Response Line Length: 512
X-Link2State Alert: Yes
Drop on X-Link2State Alert: No
Alert on commands: None
Alert on unknown commands: No
SMTP Memcap: 838860
MIME Max Mem: 838860
Base64 Decoding: Enabled
Base64 Decoding Depth: Unlimited
Quoted-Printable Decoding: Enabled
Quoted-Printable Decoding Depth: Unlimited
Unix-to-Unix Decoding: Enabled
Unix-to-Unix Decoding Depth: Unlimited
Non-Encoded MIME attachment Extraction: Enabled
Non-Encoded MIME attachment Extraction Depth: Unlimited
Log Attachment filename: Enabled
Log MAIL FROM Address: Enabled
Log RCPT TO Addresses: Enabled
Log Email Headers: Enabled
Email Hdrs Log Depth: 1464
SSH config:
Autodetection: ENABLED
Challenge-Response Overflow Alert: ENABLED
SSH1 CRC32 Alert: ENABLED
Server Version String Overflow Alert: ENABLED
Protocol Mismatch Alert: ENABLED
Bad Message Direction Alert: DISABLED
Bad Payload Size Alert: DISABLED
Unrecognized Version Alert: DISABLED
Max Encrypted Packets: 20
Max Server Version String Length: 100
MaxClientBytes: 19600 (Default)
Ports:
22
DCE/RPC 2 Preprocessor Configuration
Global Configuration
DCE/RPC Defragmentation: Enabled
Memcap: 102400 KB
Events: co
SMB Fingerprint policy: Disabled
Server Default Configuration
Policy: WinXP
Detect ports (PAF)
SMB: 139 445
TCP: 135
UDP: 135
RPC over HTTP server: 593
RPC over HTTP proxy: None
Autodetect ports (PAF)
SMB: None
TCP: 1025-65535
UDP: 1025-65535
RPC over HTTP server: 1025-65535
RPC over HTTP proxy: None
Invalid SMB shares: C$ D$ ADMIN$
Maximum SMB command chaining: 3 commands
DNS config:
DNS Client rdata txt Overflow Alert: ACTIVE
Obsolete DNS RR Types Alert: INACTIVE
Experimental DNS RR Types Alert: INACTIVE
Ports: 53
SSLPP config:
Encrypted packets: not inspected
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
Server side data is trusted
Sensitive Data preprocessor config:
Global Alert Threshold: 25
Masked Output: DISABLED
SIP config:
Max number of sessions: 40000
Max number of dialogs in a session: 4 (Default)
Status: ENABLED
Ignore media channel: DISABLED
Max URI length: 512
Max Call ID length: 80
Max Request name length: 20 (Default)
Max From length: 256 (Default)
Max To length: 256 (Default)
Max Via length: 1024 (Default)
Max Contact length: 512
Max Content length: 2048
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
IMAP Config:
Ports: 143
IMAP Memcap: 838860
Base64 Decoding: Enabled
Base64 Decoding Depth: Unlimited
Quoted-Printable Decoding: Enabled
Quoted-Printable Decoding Depth: Unlimited
Unix-to-Unix Decoding: Enabled
Unix-to-Unix Decoding Depth: Unlimited
Non-Encoded MIME attachment Extraction: Enabled
Non-Encoded MIME attachment Extraction Depth: Unlimited
POP Config:
Ports: 110
POP Memcap: 838860
Base64 Decoding: Enabled
Base64 Decoding Depth: Unlimited
Quoted-Printable Decoding: Enabled
Quoted-Printable Decoding Depth: Unlimited
Unix-to-Unix Decoding: Enabled
Unix-to-Unix Decoding Depth: Unlimited
Non-Encoded MIME attachment Extraction: Enabled
Non-Encoded MIME attachment Extraction Depth: Unlimited
Modbus config:
Ports:
502
DNP3 config:
Memcap: 262144
Check Link-Layer CRCs: ENABLED
Ports:
20000
Reputation config:
WARNING: Can't find any whitelist/blacklist entries. Reputation
Preprocessor disabled.
+++++++++++++++++++++++++++++++++++++++++++++++++++
Initializing rule chains...
ERROR: /etc/snort/rules/backdoor.rules(92) Unknown ClassType: misc-activity
Fatal Error, Quitting..
The Unknown ClassType error occurs consistently. If I comment out one rule
from the snort.conf, then the error occurs with another.
I have been searching for an answer on this without success. Any help that
can be provided would be greatly appreciated.
Thank you.
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-- Alex Kirk AEGIS Program Lead Sourcefire Vulnerability Research Team +1-410-423-1937 alex.kirk () sourcefire com
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Current thread:
- Unknown ClassType Brian Swan (Sep 10)
- Re: Unknown ClassType Alex Kirk (Sep 10)