Hi Maxim,

Thank you a lot for the quick reply, I'll give it a test tomorrow morning!

And Robert has a valid point indeed, why is it actually disabled by default?

Robert Paprocki <mailto:[email protected]>
14 February 2016 at 22:46


Out of curiosity, is there a philosophical/design reason this option is not enabled by default?

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Maxim Dounin <mailto:[email protected]>
14 February 2016 at 21:58
Hello!


http://nginx.org/r/proxy_ssl_server_name

Lucas Rolff <mailto:[email protected]>
14 February 2016 at 20:14
Hi guys,

I'm having a rather odd behavior - I use nginx as a reverse proxy (basically as a CDN) - where if the file isn't in cache, I do use proxy_pass to the origin server, to get the file and then cache it.

This works perfectly in most cases, but if the origin is running apache and happen to use the Apache Directive "SSLStrictSNIVHostCheck" where it's set to On.

Basically it decides whether a non-SNI client is allowed to access a name-based virtual host over SSL or not. But when using proxy_pass this seems to the apache server that it's a non-SNI client: [Sun Feb 14 19:32:50 2016] [error] No hostname was provided via SNI for a name based virtual host [Sun Feb 14 19:33:00 2016] [error] No hostname was provided via SNI for a name based virtual host

I was able to replicate this issue on multiple nginx versions (both on 1.8.1, 1.9.9 and 1.9.10).
It results in 403 forbidden for the client.

If I set the directive SSLStrictSNIVHostCheck to off, I do not get a 403 forbidden - and the files I try to fetch gets fetched correctly. (Meaning proxy_pass do understand SNI).

The nginx zone does a proxy_pass https://my_domain; and the my_domain is running on a server that runs SNI.

Best Regards,
Lucas Rolff

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