Firewall stateful handling of ICMP packets

Joe Abley jabley at
Thu Dec 4 16:06:34 UTC 2003

On 4 Dec 2003, at 11:02, Sean Donelan wrote:

> Toll charges do encourage PBX owners and cordless phone makers to 
> improve
> the security of their products?

I think exploits on PBXes which result in multi-thousand dollar 
fradulent toll charges being racked up are so common as to not even be 


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