Andriy Mahats's Profile

Latest Posts

Re: Limit of 5 domain names per certificate - any plan to increase it?
Hi @VittG We are not considering to increase the number of domains per certificate. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Failed to create order: Some of the identifiers requested were rejected
Hi @Robert Zou The Certification Authority Authorization (CAA) DNS Resource Record does not specify Buypass CA, so we are not authorized to issue certificates for robertzou.tk domain.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Unable to validate sub-domains on prod server, only on test.
Hi @lars Our implementation will not verify the challenge again until we get explicit request from client. As we see there were no further requests in production for challenge verification from…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Unable to validate sub-domains on prod server, only on test.
Hi @lars There were challenge validation attempts on 3 domains - one base domain and two subdomains. The challenge on base domain was validated successfully.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Unable to validate sub-domains on prod server, only on test.
Hi @lars Could you provide us with more details, like “MDC-correlationId” response header value, which is sent as a response header from our server and also the date/time for the failed challenge…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Deactivating an Authorization
Hi @Stefan We have released a fix today to resolve this issue in our production environment. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- 1
- Questions
- Reported - view
Re: DNS-01 validation and caching
Hello @Andreea Ramstadt We consider the querying of authoritative DNS servers as improvement to our current solution, however we haven’t taken that decision yet and the ETA is unknown.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: DNS-01 validation and caching
Hello @Andreea Ramstadt We do not require the TXT record to be sole or the first record, if multiple are present. We are not using the authoritative DNS server.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Deactivating an Authorization
Hi @Stefan Thanks for reporting the issue and detailed info. We have identified the bug and fixed it in test environment. We plan to deploy the fix to production.…
- Andriy_Mahats
- 4 yrs ago
- 1
- Questions
- Reported - view
Re: All authorizations were not finalized by the CA.
Hello @Tor Christian There was single attempt to validate DNS challenge on that authorization. After querying the TXT records on validation domain name no records were found.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: MALFORMED_BAD_REQUEST while renew an expiring certificate
Hi @Jozsef Szilagyi Thanks for reporting detailed info and update. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Authentication after updating CAA
Hi @Stuart Henderson We have identified a bug and deployed a fix yesterday. Please let us know in case you still experience issues getting certificate. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- 1
- Questions
- Reported - view
Re: List of ips to allow on firewall
Hi FYI: we added support for following of redirects during the http challenge validation. It is now available in production and test environments. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Future features
Hi @chin We added support for following of redirects during the http challenge validation. It is now available in production and test environments. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- 1
- Discussion
- Reported - view
Re: Support for IDN Domains
Hi @Georg We added support for following of redirects during the http challenge validation. It is now available in production and test environments. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Do you follow redirect when validate http-01 ?
Hi @chin We added support for following of redirects during the http challenge validation. It is now available in production and test environments. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Support for verifying challenges over IPv6
Hi @Andre Tomt Thanks. Sorry for the late reply. We do not support verifying challenges over IPv6 at the moment. We plan to add support for this during next year. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Support for OCSP Must-Staple
Hi @Chris Hoye Sorry for late reply. We do not have support for OCSP Must Staple at the moment, but will consider to include it. Regards, Andriy
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Keep the same DNS challenge string for renewals?
Hi @Captain Mish The value provisioned as TXT record is the digest of key-authorization (see more here: https://tools.ietf.org/html/rfc8555#section-8.4 and https://tools.ietf.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Support for verifying challenges over IPv6
Hi @Andre Tomt Could you provide us with more details, like “MDC-correlationId” response header value, which is sent as a response header from our server and also the date/time for the failed…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: mail and acme-client
Hi @22Decembre After analyzing the source code of OpenBSD’s acme-client we found that it cannot be used with our API. Here is the snippet from source as of today: https://cvsweb.openbsd.…
- Andriy_Mahats
- 4 yrs ago
- Questions
- Reported - view
Re: Future features
Hi @fomm While we recognize that international domain names serve an important purpose, we are more concerned about their possible utilization in phishing attacks.…
- Andriy_Mahats
- 5 yrs ago
- Discussion
- Reported - view
Re: ACME V2 error: HTTP 406 Not Acceptable
Hi @Anindya It looks that there is a content negotiation issue on the endpoint to download the certificate. According to https://tools.ietf.org/html/rfc8555#section-7.4.…
- Andriy_Mahats
- 5 yrs ago
- Questions
- Reported - view
Re: "Certificate won't be issued for more than 2 domain(s)"
Hi @Calvin Hoy Sorry for any miscommunication. We support 5 domains in production after a release earlier today. Prior to this date we supported them in test only.…
- Andriy_Mahats
- 5 yrs ago
- Questions
- Reported - view
Re: ACME V2 - staging vs production behaviour is different.
Hi @webprofusion We plan to adjust the test and production environments to have equal features with respect to multi-domain and will update the info on community once this is in place.…
- Andriy_Mahats
- 5 yrs ago
- Questions
- Reported - view

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Community

Andriy Mahats

Re: Limit of 5 domain names per certificate - any plan to increase it?

Re: Failed to create order: Some of the identifiers requested were rejected

Re: Unable to validate sub-domains on prod server, only on test.

Re: Unable to validate sub-domains on prod server, only on test.

Re: Unable to validate sub-domains on prod server, only on test.

Re: Deactivating an Authorization

Re: DNS-01 validation and caching

Re: DNS-01 validation and caching

Re: Deactivating an Authorization

Re: All authorizations were not finalized by the CA.

Re: MALFORMED_BAD_REQUEST while renew an expiring certificate

Re: Authentication after updating CAA

Re: List of ips to allow on firewall

Re: Future features

Re: Support for IDN Domains

Re: Do you follow redirect when validate http-01 ?

Re: Support for verifying challenges over IPv6

Re: Support for OCSP Must-Staple

Re: Keep the same DNS challenge string for renewals?

Re: Support for verifying challenges over IPv6

Re: mail and acme-client

Re: Future features

Re: ACME V2 error: HTTP 406 Not Acceptable

Re: "Certificate won't be issued for more than 2 domain(s)"

Re: ACME V2 - staging vs production behaviour is different.

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