nanog mailing list archives
Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet)
From: Suresh Ramasubramanian <ops.lists () gmail com>
Date: Thu, 13 Jan 2005 10:25:18 +0530
On Wed, 12 Jan 2005 23:19:47 -0500, Valdis.Kletnieks () vt edu <Valdis.Kletnieks () vt edu> wrote:
On Wed, 12 Jan 2005 19:19:24 PST, Dave Crocker said:In general, that's what dkeys/iim and csv (and maybe spf) are attempting to provide.Yes, but he asked for a rDNS solution specifically...
I think Steve was referring to some things that can be implemented right away, like "if you operate a mailserver, please make sure that it isn't on a host that has reverse dns like ppp-XXX.adsl.example.com, try to give it unique and non generic rDNS, preferably with a hostname that starts off with smtp-out, mail, mta etc)" Basically a call to operators to adopt a consistent forward and reverse DNS naming pattern for their mailservers, static IP netblocks, dynamic IP netblocks etc. -- Suresh Ramasubramanian (ops.lists () gmail com)
Current thread:
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet), (continued)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Eric Brunner-Williams in Portland Maine (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Steven Champeon (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Eric Brunner-Williams in Portland Maine (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Steven Champeon (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Eric Brunner-Williams in Portland Maine (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Adi Linden (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Steven Champeon (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Valdis . Kletnieks (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Dave Crocker (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Valdis . Kletnieks (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Suresh Ramasubramanian (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Steven Champeon (Jan 12)
- Re: fixing insecure email infrastructure (was: Re: [eweek article] Window of "anonymity" when domain exists, whois not updated yet) Andre Oppermann (Jan 13)
- Re: marking dynamic ranges, was fixing insecure email infrastructure John Levine (Jan 13)
- Re: marking dynamic ranges, was fixing insecure email infrastructure Markus Stumpf (Jan 24)
- Re: marking dynamic ranges, was fixing insecure email infrastructure Suresh Ramasubramanian (Jan 24)
- Re: marking dynamic ranges, was fixing insecure email infrastructure Markus Stumpf (Jan 25)
- Re: marking dynamic ranges, was fixing insecure email infrastructure Valdis . Kletnieks (Jan 25)
- Re: marking dynamic ranges, was fixing insecure email infrastructure Markus Stumpf (Jan 25)
- Re: marking dynamic ranges, was fixing insecure email infrastructure J.D. Falk (Jan 25)
- Re: marking dynamic ranges, was fixing insecure email infrastructure Valdis . Kletnieks (Jan 25)