nanog mailing list archives
Re: Open relays and open proxies
From: Daniel Concepcion <dani () danielcp net>
Date: Fri, 25 Apr 2003 16:31:33 +0200
I think that the end of the spam and open relays will be when the smtp servers talk only with servers with trust.Amazingly, even though I am posting in this thread... it is *not* about spam.
Uops, sorry for the mistake ;) But for me the spam is really a big problem when use open proxys or relays or misconfigured smtp servers.
Don't be fooled by the mention of open relays. Open proxies are abused for many purposes, of which spam is a minor one. I've seen open proxies in recent DoS source addresses for example.
The big problem in dDoS are the smurf, virus and trojans. Generally every machine infected have an open proxy. But the open proxy itself isn't dangerous. They are only use as intermediate hop for attack machines or control other trojans. Regards, Daniel
Current thread:
- Re: Open relays and open proxies, (continued)
- 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)
- Re: Open relays and open proxies Valdis . Kletnieks (Apr 25)
- Re: Open relays and open proxies John Payne (Apr 25)
- Re: Open relays and open proxies Daniel Concepcion (Apr 25)
- Re: Open relays and open proxies John Payne (Apr 25)
- Re: Open relays and open proxies Jack Bates (Apr 25)
- Re: Open relays and open proxies Adi Linden (Apr 25)
- Re: Open relays and open proxies Jeff Kell (Apr 24)
- Re: Open relays and open proxies jlewis (Apr 24)
- Re: Open relays and open proxies Paul Vixie (Apr 24)
- Re: Open relays and open proxies Jack Bates (Apr 24)
- Re: Open relays and open proxies John Payne (Apr 24)