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Re: Interesting new spam technique - getting a lot more popular.
On Jun 14, 2006, at 1:53 PM, Church, Chuck wrote:
Since this technique requires a IPinIP or GRE tunnel, wouldn't blockingUnfortunately, that probably won't work for very long, if at all.
First, it's kinda difficult to guarantee your customers will not use a protocol.
Second, unless you have deep packet inspection, what is to stop the spammer from using, say, port 80 for their tunnel?
Third, what's to stop them from using SSH tunnels?
Etc., etc., etc....