Re: Hardware Requirement for Snort NIDS/NIPS Engine

[Joel Esler <jesler () sourcefire com>]

On Mar 18, 2013, at 9:46 AM, Kaushal Shriyan <kaushalshriyan () gmail com> wrote:

> Can someone please suggest hardware requirements for Snort NIDS/NIPS Engine specifically CPU cycles, Storage space 
> and Memory size and also any RAID Level to be configured if there are multiple hard disk device attached to the 
> server.

This depends on how many rules you are running, if Snort is configured to be ran in multi-core mode, how much traffic 
you have passing the system, size of packets that is in the traffic.  As far as RAID, that's up to you.


> Also help me about the number of network NIC port requirement which needs to be set in promiscuous mode.

Depends on how many links you are trying to sniff.  I generally recommend one port for management, and then one port 
for each port in promiscuous mode.

--
Joel Esler
Senior Research Engineer, VRT
OpenSource Community Manager
Sourcefire

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