nanog mailing list archives
Re: Providers removing blocks on port 135?
From: Owen DeLong <owen () delong com>
Date: Sat, 20 Sep 2003 15:05:08 -0700
However, I'm not convinced blocking port 25 on dialups helps much with that. What it does help with is preventing them from connecting to open relays. The real solution in the long run will be two-fold: 1. Internet hosts need to become less penetrable. (or at least one particular brand of software) 2. SMTP AUTH will need to become more widespread and end-to-endish. Owen--On Saturday, September 20, 2003 4:53 PM -0500 Rob Thomas <robt () cymru com> wrote:
Hi, NANOGers. ] I still disagree with this. To prevent SPAM, people shouldn't run open ] relays and the open relay problem should be solved. Breaking legitimate ] port 25 traffic is a temporary hack. I suspect that most spam avoids open relays. The abuse of proxies, routers, and bots for this purpose is far more in vogue. Watch out for worms such as W32.Sanper, which also provide a built-in spam relay network. Remove all of the open mail relays and you are left with...lots of spam. More at NANOG... ;) Thanks, Rob. -- Rob Thomas http://www.cymru.com ASSERT(coffee != empty);
Current thread:
- RE: Providers removing blocks on port 135?, (continued)
- RE: Providers removing blocks on port 135? Owen DeLong (Sep 19)
- RE: Providers removing blocks on port 135? Matthew Kaufman (Sep 19)
- RE: Providers removing blocks on port 135? Owen DeLong (Sep 19)
- RE: Providers removing blocks on port 135? Justin Shore (Sep 19)
- RE: Providers removing blocks on port 135? Owen DeLong (Sep 19)
- RE: Providers removing blocks on port 135? Mark Borchers (Sep 19)
- Re: Providers removing blocks on port 135? bmanning (Sep 19)
- Re: Providers removing blocks on port 135? Sean Donelan (Sep 20)
- Re: Providers removing blocks on port 135? Owen DeLong (Sep 20)
- Re: Providers removing blocks on port 135? Rob Thomas (Sep 20)
- Re: Providers removing blocks on port 135? Owen DeLong (Sep 20)
- Re: Providers removing blocks on port 135? Ray Bellis (Sep 20)
- Re: Providers removing blocks on port 135? David B Harris (Sep 20)
- Re: Providers removing blocks on port 135? Ray Bellis (Sep 20)
- Re: Providers removing blocks on port 135? Niels Bakker (Sep 20)
- Re: Providers removing blocks on port 135? Richard Cox (Sep 20)
- Re: Providers removing blocks on port 135? Margie (Sep 20)
- Re: Providers removing blocks on port 135? Andy Walden (Sep 20)
- Re: Providers removing blocks on port 135? Margie (Sep 20)
- Re: Providers removing blocks on port 135? Jack Bates (Sep 22)
- Re: Providers removing blocks on port 135? Sean Donelan (Sep 20)