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After updating to 2.9.4.6, S5: Session exceeded configured max bytes to queue messages
From: "C. L. Martinez" <carlopmart () gmail com>
Date: Tue, 30 Apr 2013 08:28:22 +0000

Hi all,

 After updating to 2.9.4.6 (from 2.9.4.1) I can see a lot of errrors like
this:

Apr 30 08:19:28 nsm01 snort[34067]: S5: Session exceeded configured max
bytes to queue 1048576 using 1048634 bytes (client queue). 10.230.7.72 1544
--> 10.196.0.15 80 (0) : LWstate 0x9 LWFlags 0x6007
Apr 30 08:19:29 nsm01 snort[34067]: S5: Session exceeded configured max
bytes to queue 1048576 using 1049720 bytes (server queue). 10.196.4.5 33039
--> 10.196.0.72 25 (0) : LWstate 0x9 LWFlags 0x406007
Apr 30 08:19:53 nsm01 snort[34067]: S5: Session exceeded configured max
bytes to queue 1048576 using 1048917 bytes (server queue). 10.196.0.58 3316
--> 10.196.4.5 25 (0) : LWstate 0x9 LWFlags 0x406007

My stream5 config is:

preprocessor stream5_global: memcap 268435456, 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,
max_queued_segs 262100, \
    ports client 21 22 23 25 42 53 70 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 82 83 84 85 86 87 88 89 110 311 383 443 465 563 591
593 631 636 901 989 992 993 994 995 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 8222 8243 8280 8300 8800 8888 8899 9000 9060 9080 9090 9091 9443
9999 11371 34443 34444 41080 55555 \
        1090 3200 3210 3300 3310 3333 3600 3610 8100 50000:50010 51000:51010
preprocessor stream5_udp: timeout 180

Do I need to add "max_queued_bytes 0" to stream5_tcp ?? I'm not convinced
of it ...
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