Intrusion Detection Systems

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Recommendations for installing OSSIM

I'm an apprentice in web security and I was assigned with the task of researching about OSSIM. Bear with my infinite ignorance as I take my questions to the stack exchange gurus. What I know so far: ...
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1answer
1k views

Solutions to TCP FIN Host Sweep (Signature 3032)

The Intrusion Prevention System is giving me an attack with signature 3032, TCP FIN Host Sweep on one of the ip addresses. I need a solution or recommendation on how to avoid the TCP FIN Host Sweep.
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5answers
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How to check if someone is in my computer [duplicate]

Igen suspect that someone is may be controlling my computer using some remote desktop app. How I check if I am right or not? My only clue is that my mouse sometimes start to move randomly (it is not ...
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2answers
84 views

Block all kind of querys from ip [closed]

I want to check my network intrusion detection system (physical intrusion like unauthorized gadgets or devices in wifi/ethernet). Until now everything is ok, but I was wondering if I block every query ...
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2answers
155 views

anomaly detection: feature calculation problem [closed]

I have a question about how to calculate features selected in [ 1 ]. It assumes that the impact of DoS attack on features are nSrcs=nDsts=1, nPkts/sec>a, nSYN/Pkts>b, ... (Table 1 of [ 1 ]) ...
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2answers
79 views

Ips used by the same person?

Is it possible to find out if ips are from the same location and used by one person. We have a situation were three ips have been logged etc. We know for sure that two are from the same person this ...
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1answer
42 views

network IDS capabilities for attack detection [closed]

Is a Network Intrusion Detection System (NIDS) (pattern matching, protocol analysis or behavior analysis) able to detect buffer overflow in the network traffic?