nanog mailing list archives
RE: Open relays and open proxies
From: "David Schwartz" <davids () webmaster com>
Date: Thu, 24 Apr 2003 13:38:50 -0700
I am seeing an increasing number of hosts on our network become an open proxy. So far the response to this has been reactive, once I receive complaints from spam victims I deal with the source of the problem.
Is there an accepted way of blocking open proxy and open relay traffic at the network edge?
Educate your customers. Seriously. The details depend upon which type of problem you need to solve: 1) Customers are being tricked into installing open proxies, say by downloading executable from file sharing services. 2) Customers are trying to set up proxies to allow them to share their Internet connection with family members, but aren't securing them properly. 3) Customers are deliberately setting up open proxies as anonymizers. Perhaps you have some other variation on these themes, but if you look at all of these, you should be able to see that education is the best solution. The possible exception is 3, in which case threats may be more appropriate. DS
Current thread:
- Re: Open relays and open proxies, (continued)
- Re: Open relays and open proxies Niels Bakker (Apr 25)
- Re: Open relays and open proxies Curtis Maurand (Apr 25)
- Re: Open relays and open proxies bdragon (Apr 26)
- Re: Open relays and open proxies Curtis Maurand (Apr 27)
- RE: Open relays and open proxies Rafi Sadowsky (Apr 25)
- Re: Open relays and open proxies Nathan J. Mehl (Apr 30)
- Re: Open relays and open proxies Nathan J. Mehl (Apr 30)
- Re: Open relays and open proxies Leo Bicknell (Apr 25)
- Re: Open relays and open proxies John Payne (Apr 25)
- Re: Open relays and open proxies Jeff Kell (Apr 24)
- Re: Open relays and open proxies Paul Vixie (Apr 24)
- Re: Open relays and open proxies Rob Thomas (Apr 24)
- Re: Open relays and open proxies Jeff Kell (Apr 24)
- Re: Open relays and open proxies John Payne (Apr 24)
- Re: Open relays and open proxies Jack Bates (Apr 24)
- Re: Open relays and open proxies Valdis . Kletnieks (Apr 25)
- Re: Open relays and open proxies Daniel Concepcion (Apr 25)