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Re: CURLOPT_IPRESOLVE difference between 8.19.0 and 8.20.0
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From: Jicea via curl-library <curl-library_at_lists.haxx.se>
Date: Sun, 3 May 2026 11:46:40 +0000
> > I wonder if this change is intentional or not, the behaviour of curl previous versions seems reasonable to me (error with only-IPv6 addresses when using --ipv4).
> > Tests have been made on macOS and ArchLinux.
>
>
> Yes, this is intentional and originated from https://github.com/curl/curl/issues/21146where our solution is to treat literal ip addresses as "what the user asked for", overriding the CURLOPT_IPRESOLVE in such cases.
>
>
> While the issue was about proxy connections, we wanted a solution that applies to all hostname/address resolutions equally.
>
>
> Kind regards,
> Stefan
Thanks for the clarification!
Regards,
Jean-Christophe
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Date: Sun, 3 May 2026 11:46:40 +0000
> > I wonder if this change is intentional or not, the behaviour of curl previous versions seems reasonable to me (error with only-IPv6 addresses when using --ipv4).
> > Tests have been made on macOS and ArchLinux.
>
>
> Yes, this is intentional and originated from https://github.com/curl/curl/issues/21146where our solution is to treat literal ip addresses as "what the user asked for", overriding the CURLOPT_IPRESOLVE in such cases.
>
>
> While the issue was about proxy connections, we wanted a solution that applies to all hostname/address resolutions equally.
>
>
> Kind regards,
> Stefan
Thanks for the clarification!
Regards,
Jean-Christophe
____________________________________________________________________________________________________________
Ce message et ses pieces jointes peuvent contenir des informations confidentielles ou privilegiees et ne doivent donc
pas etre diffuses, exploites ou copies sans autorisation. Si vous avez recu ce message par erreur, veuillez le signaler
a l'expediteur et le detruire ainsi que les pieces jointes. Les messages electroniques etant susceptibles d'alteration,
Orange decline toute responsabilite si ce message a ete altere, deforme ou falsifie. Merci.
This message and its attachments may contain confidential or privileged information that may be protected by law;
they should not be distributed, used or copied without authorisation.
If you have received this email in error, please notify the sender and delete this message and its attachments.
As emails may be altered, Orange is not liable for messages that have been modified, changed or falsified.
Thank you.
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