Comments (1)
Currently DVSNI challenges involve the server connecting to port 443 at the address found via A/AAAA records of the domain name being verified. Trusting A/AAAA records does not seem all that different to trusting SRV records, so perhaps clients could be allowed to provide their host, port and service type to the server which could then check that the host and port are in the appropriate SRV RRSet.
from acme-spec.
Related Issues (20)
- 7.4 DNS Challenge *pre*pends label HOT 5
- 9.1 update outbound cxn methods HOT 1
- Differing description of {DVSNI, DNS} validation mechanism in 7.2, 9.2 HOT 1
- Add RECOMMENDED line to stronger DNS validation HOT 1
- Dns challenge signature is too long for dns TXT record HOT 6
- Specify type of "true" / "false" value for "tls" field. HOT 3
- .well-known ACME challenge files blocked 403 Forbidden in some Nginx configurations HOT 8
- method needed for forwarding *.acme.invalid to correct server HOT 3
- Register .well-known/acme-challenge with IANA HOT 2
- Describe 'validationRecord' (part of a challenge-resource) HOT 1
- Usage of RFC3339 - "5.3 Rarely Used Options" HOT 3
- Clarification on which spec to use HOT 2
- ASN1_mbstring_ncopy string too long with multiple alt-names HOT 3
- Domain validation and usage of userkey pair discussion HOT 1
- Travis integration may expose integration keys HOT 6
- http-01 and dns-01 challenges: just use account key HOT 1
- dns-01 walk-up HOT 1
- Letsencrypt behind a firewall with NAT HOT 4
- --agree-tos in ACME clients: acceptable or not? HOT 2
- Add alternate hostname for http challange HOT 9
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from acme-spec.