Snort is an open source network intrusion detection and prevention system (NIDS/NIPS).

learn more… | top users | synonyms

2
votes
1answer
43 views

Ideas on how I can fragment captured network traffic?

I am trying to create a lab environment where I can analyze common IDS solutions (starting with Snort specifically) and their ability to reassemble fragmented IP trains. I have a collection of ...
1
vote
1answer
64 views

Snort even though working properly does not report majority of rules

I have installed Snort 2.9.7.0 and it does not detect majority of attacks, such as nmap port scans, downloading exe files, opening documents containing keyword "root". I use Snort together with ...
0
votes
1answer
22 views

why isn't my rule alerting to snort?

I am in the process of writing a custom snort rule for this exploit; http://www.exploit-db.com/exploits/35712/ and this is what I have so far alert tcp any any -> any any (msg:"BulletProof FTP ...
2
votes
0answers
333 views

Security Onion:snorby alerts shows all local nerwork source IP(public and private)

I have just installed Security Onion distro based on ubuntu. This distro does a great job of combining multiple tools like snort/suricata,sguil,snorby,elsa,bro ids,squert. In my Security Onion ...
1
vote
0answers
76 views

Barnyard2 Can't pull xref from unified2 format

I have snort configured to log unified2 in my snort.conf file and am using barnyard2 to parse the unified2 results. It works, except I can seem to figure out to pull the event reference (xref) out of ...
1
vote
0answers
192 views

Snort sfportscan does not log in unified2 file format

I'm running Snort version 2.9.6.0 and I'm not able to log events from the sfportscan preprocessor using the unified2 file format. This is the conf (actually is the default one): preprocessor ...
1
vote
0answers
329 views

Snort not showing dropped/blocked packets

This question is about SNORT- I m basically trying to detect PING FLOOD attack. I have included the rule**(drop icmp any any -> any any (itype:8; threshold, track by_src, count 20, ...
0
votes
0answers
51 views

problem with my snort rule

I have written this rule but when I try to reload Snort it is failing. I have commented out the rule and reloaded snort; it is working so I know it's the rule. alert tcp any any -> any 5466 ...
0
votes
0answers
33 views

What is a Packet Identifier (pid) used for?

I'm trying to analyze a pcap file using snort using the following command: snort -r file.pcap I got the output which had n number of packets and at the top i had this Packet Identifier pid=14782. ...
0
votes
0answers
40 views

Possible to run snort without modifiers?

Is there anyway (e.g some command line argument) with which we can tell snort to run and perform detection but without caring for the rule modifiers if there are any ? e.g alert tcp any any -> ...