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North American Network Operators Group

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Re: ISPs are asked to block yet another port

  • From: Christopher L. Morrow
  • Date: Mon Jun 23 12:03:24 2003


On Mon, 23 Jun 2003, Sean Donelan wrote:

>
> http://www.lurhq.com/popup_spam.html
>
> How many ports should ISPs block?  People still buy and connect insecure
> computers to the net.
>
>

ISP's could block all ports and save everyone the hassle of having an
Internet.... (I am just kidding of course)

Two interesting points though:

1) Spammers adapt
2) default insecure OS installs cause problems

Not new points, but interesting none-the-less. Spammers have adapted quite
quickly and readily to almost all 'fixes' imposed by providers and most
default OS installs are insecure still after all this time. With notable
exceptions most OS installs are still tailored for closed network
installs, lots of never to be used ports listening with old versions of
daemon's installed :(




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