nanog mailing list archives
RE: Stealth Blocking
From: Roeland Meyer <rmeyer () mhsc com>
Date: Thu, 24 May 2001 17:49:54 -0700
From: Mitch Halmu [mailto:mitch () netside net] Sent: Thursday, May 24, 2001 2:48 PM On Thu, 24 May 2001, Matt Cramer wrote:
I will give you a solid reason why we won't try this, quoting research with POP-before-SMTP conducted by the founder of MAPS TSI, Chip Rosenthal http://users.laserlink.net/~chip/relay-pres-9910/ You don't have to believe me that our clients will not accept that, take his words instead: "Our users hated it - particularly those using MS Outlook" No need to describe what happens when your clients hate your service...
On that same page, I found this very interesting. The part about false positive, to normal relay testing, got my attention. Guys, there are more cases that may look like an open relay, but really aren't. <quote> Escalating Credentials Curently deployed in Laser Link network Amalgamation of two mechanisms: POP-before-SMTP Rate limiting Count mail from originating IP address ... Disadvantages: Complex implementation Will users accept upper limit? False positive to conventional relay testing </quote>
Current thread:
- Re: "Big Red", (continued)
- Re: "Big Red" Mitch Halmu (May 24)
- Re: "Big Red" Aaron (May 25)
- Re: "Big Red" Scott Francis (May 25)
- Re: Stealth Blocking John Fraizer (May 24)
- Re: Stealth Blocking Dave Rand (May 24)
- RE: Stealth Blocking Roeland Meyer (May 24)
- RE: Stealth Blocking Jason Slagle (May 24)
- Re: Stealth Blocking Shawn McMahon (May 25)
- Re: Stealth Blocking Jason Slagle (May 25)
- RE: Stealth Blocking Jason Slagle (May 24)
- Re: Stealth Blocking Shawn McMahon (May 25)
- Re: Stealth Blocking J.D. Falk (May 26)
- Re: Stealth Blocking mike harrison (May 26)
- RE: Stealth Blocking jlewis (May 25)
- Re: Stealth Blocking Shawn McMahon (May 25)
- Re: Stealth Blocking Dan Hollis (May 25)
- Re: EMAIL != FTP Mitch Halmu (May 25)