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ids proto parser : null port what do these codes mean?


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#1 bluebird100

bluebird100

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Posted 29 June 2012 - 01:50 AM

Many of these IDS warnings in router security logs in the last few days, in specifics does anyone know what the different codes mean : i.e what the { S.A.U.P} {F.R.P} {F.A..} and {S.ARUP} that appear as the only differences in the attempts mean?. An explantiion of what is being attempted would be really helpful.

Thanks.




06:11:38 29 Jun

IDS proto parser : tcp null port (1 of 1) : 115.236.59.28 81.xxxxx 0060 TCP 0->0 [S.A.UP] seq 3029953125 ack 0 win 80



04:41:27 29 Jun

IDS proto parser : tcp null port (1 of 1) : 115.236.59.28 81.xxxxxxx 0060 TCP 0->0 [.F.R.P] seq 3029953125 win 80



03:05:55 29 Jun

IDS proto parser : tcp null port (1 of 1) : 115.236.59.28 81.xxxxx 0060 TCP 0->0 [.FA...] seq 3029953125 ack 0 win 80



02:56:43 29 Jun

IDS proto parser : tcp null port (1 of 1) : 115.236.59.28 81.xxxxxx 0060 TCP 0->0 [S.ARUP] seq 3029953125 ack 0 win 80

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