Re: Problem with stream4 Preprocessor

[Kevin Ross <kevross33 () googlemail com>]

This may be because you should be using stream 5.

Example config:
# 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, 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 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 5250 7907 7001 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 8028 8080 8088 8118 8123 8180 8243
8280 8888 9090 9091 9443 9999 11371
preprocessor stream5_udp: timeout 180

Regards,
Kevin

On 28 May 2012 13:10, Tran M. Thang <tmthang () vncert vn> wrote:

> Anyone can help me to solve problem with stream4 Preprocessor? I installed
> snort 2.9.22 and configured with Stream4 preprocessor option enable. But, I
> had error "Unknown preprocessor: "stream4" and I couldn't locate file
> spp_stream4.c anywhere. Anyone can help me to solve this problem?
>
> Thanks
>
>
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