Snort.org Blog: VRT Rule release for 05/30/2012

[Joel Esler <jesler () sourcefire com>]

http://blog.snort.org/2012/05/vrt-rule-release-for-05302012.html

The following changes were made to the snort.conf:

HTTP_PORTS now reads like:
portvar HTTP_PORTS 
[80,81,311,591,593,901,1220,1414,1741,1830,2301,2381,2809,3128,3702,4343,4848,5250,7001,7145,7510,7777,7779,8000,8008,8014,8028,8080,8088,8090,8118,8123,8180,8181,8243,8280,8800,8888,8899,9080,9090,9091,9443,9999,11371,55555]

Stream5's configuration now reads like:

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 81 311 443 465 563 591 593 636 901 989 992 993 994 995 1220 1414 1830 2301 2381 2809 3128 3702 4343 4848 
5250 7907 7001 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 8088 8090 8118 8123 8180 8243 8280 8800 8888 8899 9080 9090 9091 9443 9999 
11371 55555
preprocessor stream5_udp: timeout 180


Finally http_inspect's configuration now reads like:


preprocessor http_inspect: global iis_unicode_map unicode.map 1252 compress_depth 65535 decompress_depth 65535
preprocessor http_inspect_server: server default \
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 } \
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 81 311 591 593 901 1220 1414 1741 1830 2301 2381 2809 3128 3702 4343 4848 5250 7001 7145 7510 7777 7779 8000 
8008 8014 8028 8080 8088 8090 8118 8123 8180 8181 8243 8280 8800 8888 8899 9080 9090 9091 9443 9999 11371 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

As always the most current Snort configuration documents are here for the currently supported versions of Snort.

http://www.snort.org/vrt/snort-conf-configurations/

--
Joel Esler
Senior Research Engineer, VRT
OpenSource Community Manager
Sourcefire

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