spp_anomsensor: Anomaly threshold exceeded in alert.log

[francisv () dagupan com]

Hi,

I'm logging all alerts to MySQL but why is Snort producing
/var/log/snort/alert? Here's the content (and continuously growing):

[**] [104:1:1] spp_anomsensor: Anomaly threshold exceeded: 13.3085 [**]
09/09-14:29:10.585623 195.159.0.151:40167 -> 202.91.161.5:8081
TCP TTL:49 TOS:0x20 ID:49962 IpLen:20 DgmLen:60 DF
******S* Seq: 0xF030EEA5  Ack: 0x0  Win: 0x16D0  TcpLen: 40
TCP Options (5) => MSS: 1460 SackOK TS: 2591895224 0 NOP WS: 0

---
 francis a. vidal [bitstop network services] | http://www.bitstop.ph
 streaming media + web hosting               | http://www.keystone.ph
 v(02)330-2871,(02)330-2872; f(02)330-2873   | http://www.kuro.ph 



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