Any tools to help network security

David Miller dmiller at
Wed Dec 21 19:12:12 UTC 2011

On 12/21/2011 2:03 PM, sthaug at wrote:
>> We discover there are so many (source) ip not belonging to our network
>> to go to outside.
>> We can block it but don't know how to locate the source.
>> Any tools can be easily found out.
> Steinar Haug, Nethelp consulting, sthaug at

Also -

Which get you to some strategies for finding the source(s) on your 
network (which I believe was the OP's question).  Including:


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