On 6/8/02 6:22 AM, "Steven M. Bellovin" <[EMAIL PROTECTED]> wrote:
> DNS packets are limited to 512 bytes.

No they are not.  They are limited to 64K.  Even without EDNS0, a large
response can fall back to TCP.  You know this.

> Few MTUs are larger than 1500.

What is the average size of a CERT (honest question, I have no idea)?

> Anyway -- the concept is called "appkeys", and has been discussed in
> the dnsext working group.  Check the archives.

I thought APPKEY was addressing putting non-self-validating keys into the
DNS, relying on DNSSEC to insure a chain of trust.

Rgds,
-drc

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