Skip to main content
Search type Search syntax
Tags [tag]
Exact "words here"
Author user:1234
user:me (yours)
Score score:3 (3+)
score:0 (none)
Answers answers:3 (3+)
answers:0 (none)
isaccepted:yes
hasaccepted:no
inquestion:1234
Views views:250
Code code:"if (foo != bar)"
Sections title:apples
body:"apples oranges"
URL url:"*.example.com"
Saves in:saves
Status closed:yes
duplicate:no
migrated:no
wiki:no
Types is:question
is:answer
Exclude -[tag]
-apples
For more details on advanced search visit our help page
Results tagged with
Search options questions only not deleted user 70328

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

1 vote
3 answers
845 views

Snort Unable to detect portscans in LAN

Setup Information I am doing experiment on portscan detection using snort 2.9.8.I have 10 systems in my lab with id:1,2,3,...,10. i have installed snort in my lab-pc with id:1.Now i am using Pc with id … Doubt When i scan the machine on which snort is installed(id:1),i get the portscan alerts,however when i scan other systems(ex: system with id:3),snort doesnot generate any alerts. …
user10012's user avatar
  • 191
1 vote
0 answers
123 views

snort spp_sfPortscan Preprocessor Customization [closed]

I am working in snort 2.9.8.0. I want to modify the snort code for Portscanning Detection,i.e spp_sfPortscan.c and its related code to build a customized portScan detector. …
user10012's user avatar
  • 191
2 votes
0 answers
1k views

Snort Portscan Preprocessor Analysis

Doubt I noticed that if I am doing the same TCP portscan for a 2nd time from system B or from system C, snort is not detecting the portscan. … Can anyone explain what is the reason for this, and it would be nice if someone provide some insight on life of packets inside Snort? …
user10012's user avatar
  • 191
1 vote
0 answers
121 views

Snort Modules Tweaking

I want to tweak and add new functionalities to snort code(Preprocessor)(v2.9.8). … I have also seen that backtrack/kali-linux is preinstalled with snort,but i wish to know where is the location of snort source code to make changes. If anybody knows better options,please suggest! …
user10012's user avatar
  • 191