Snort mailing list archives
"HTTP inspect preprocessor: UNKNOWN METHOD"
From: saiwer saiwer <saiwer.saiwer () gmail com>
Date: Thu, 20 Jun 2013 16:58:38 +0200
Hello all, I wrote again the same message because the other e-mail has a horrible format. I have a problem with HTTP inspect preprocessor. There are alerts "UNKNOWN METHOD" with correct requests. For example, in this alert POST method is clear but preprocessor create an event: Capture information: (Event) sensor id: 0 event id: 18 event second: 1371723727 event microsecond: 370955 sig id: 31 gen id: 119 revision: 1 classification: 2 priority: 3 ip source: XXX.XXX.XXX.XXX ip destination: YYY.YYY.YYY.YYY src port: 59918 dest port: 80 protocol: 6 impact_flag: 0 blocked: 0 Packet sensor id: 0 event id: 18 event second: 1371723727 packet second: 1371723727 packet microsecond: 370955 linktype: 1 packet_length: 1438 [ 0] 00 01 D7 A2 87 45 88 43 E1 0C 53 5C 81 00 01 2C .....E.C..S\..., [ 16] 08 00 45 00 05 8C 11 A9 40 00 80 06 D2 62 C0 A8 ..E.....@....b.. [ 32] 32 DE 0A 86 13 54 EA 0E 00 50 BF F4 55 2E E7 08 2....T...P..U... [ 48] E0 EB 50 10 80 07 2F C2 00 00 50 4F 53 54 20 2F ..P.../...POST / [ 64] 6F 77 61 43 6F 72 72 65 6F 2F 65 76 2E 6F 77 61 owaCorreo/ev.owa [ 80] 3F 6F 65 68 3D 31 26 6E 73 3D 50 65 6E 64 69 6E ?oeh=1&ns=Pendin [ 96] 67 52 65 71 75 65 73 74 26 65 76 3D 46 69 6E 69 gRequest&ev=Fini [ 112] 73 68 4E 6F 74 69 66 69 63 61 74 69 6F 6E 52 65 shNotificationRe [ 128] 71 75 65 73 74 26 55 41 3D 30 20 48 54 54 50 2F quest&UA=0 HTTP/ [ 144] 31 2E 31 0D 0A 1.1.. ... http_inspect configuration: preprocessor http_inspect: global iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535 preprocessor http_inspect_server: server default \ 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 81 311 383 591 593 631 901 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 8118 8123 8180 8181 8222 8243 8280 8300 8800 8888 8899 9000 9060 9080 9090 9091 9443 9999 11371 34443 34444 41080 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 preprocessor http_inspect_server: server { YYY.YYY.YYY.YYY } profile iis \ ports { 80 }
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Current thread:
- "HTTP inspect preprocessor: UNKNOWN METHOD" Jose Luis (Jun 20)
- <Possible follow-ups>
- "HTTP inspect preprocessor: UNKNOWN METHOD" saiwer saiwer (Jun 20)
- Re: "HTTP inspect preprocessor: UNKNOWN METHOD" James Lay (Jun 20)
- Re: "HTTP inspect preprocessor: UNKNOWN METHOD" James Lay (Jun 22)
- Re: "HTTP inspect preprocessor: UNKNOWN METHOD" James Lay (Jun 20)