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Re: No SNI support on multisite installation

March 15, 2024 02:26PM
On Fri, Mar 15, 2024 at 2:05 PM Thomas Ward via nginx <nginx@nginx.org> wrote:
>
> If you only have one IP, then you cannot fix this. SNI is what determines which certificate to serve for the request. The only solution would be individual IPs for each domain, thus not needing SNI to get the correct cert for each domain.

The real fix needs to be made in openrusty. SNI is a standard
extension. its about time openrusty properly support it.

Another way to fix it is, find a CA to issue a certificate that
includes all the domains in the Subject Alt Name. So the end entity
certificate issued would have, say, 10 or 12 different domains so the
same cert can be used for all the connections.

Google serves a cert like that for 'google.com', but they own all the
web properties.

$ openssl s_client -connect google.com:443 -servername google.com |
openssl x509 -text -noout

...
DNS:*.google.com, DNS:*.appengine.google.com, DNS:*.bdn.dev, DNS
:*.origin-test.bdn.dev, DNS:*.cloud.google.com, DNS:*.crowdsource.google.com, DN
S:*.datacompute.google.com, DNS:*.google.ca, DNS:*.google.cl, DNS:*.google.co.in
, DNS:*.google.co.jp, DNS:*.google.co.uk, DNS:*.google.com.ar, DNS:*.google.com.
au, DNS:*.google.com.br, DNS:*.google.com.co, DNS:*.google.com.mx, DNS:*.google.
com.tr, DNS:*.google.com.vn, DNS:*.google.de, DNS:*.google.es, DNS:*.google.fr,
DNS:*.google.hu, DNS:*.google.it, DNS:*.google.nl, DNS:*.google.pl, DNS:*.google
.pt, DNS:*.googleapis.cn, DNS:*.googlevideo.com, DNS:*.gstatic.cn, DNS:*.gstatic
-cn.com, DNS:googlecnapps.cn, DNS:*.googlecnapps.cn, DNS:googleapps-cn.com, DNS:
*.googleapps-cn.com, DNS:gkecnapps.cn, DNS:*.gkecnapps.cn, DNS:googledownloads.c
n, DNS:*.googledownloads.cn, DNS:recaptcha.net.cn, DNS:*.recaptcha.net.cn, DNS:r
ecaptcha-cn.net, DNS:*.recaptcha-cn.net, DNS:widevine.cn, DNS:*.widevine.cn, DNS
:ampproject.org.cn, DNS:*.ampproject.org.cn, DNS:ampproject.net.cn, DNS:*.amppro
ject.net.cn, DNS:google-analytics-cn.com, DNS:*.google-analytics-cn.com, DNS:goo
gleadservices-cn.com, DNS:*.googleadservices-cn.com, DNS:googlevads-cn.com, DNS:
*.googlevads-cn.com, DNS:googleapis-cn.com, DNS:*.googleapis-cn.com, DNS:googleo
ptimize-cn.com, DNS:*.googleoptimize-cn.com, DNS:doubleclick-cn.net, DNS:*.doubl
eclick-cn.net, DNS:*.fls.doubleclick-cn.net, DNS:*.g.doubleclick-cn.net, DNS:dou
bleclick.cn, DNS:*.doubleclick.cn, DNS:*.fls.doubleclick.cn, DNS:*.g.doubleclick
.cn, DNS:dartsearch-cn.net, DNS:*.dartsearch-cn.net, DNS:googletraveladservices-
cn.com, DNS:*.googletraveladservices-cn.com, DNS:googletagservices-cn.com, DNS:*
.googletagservices-cn.com, DNS:googletagmanager-cn.com, DNS:*.googletagmanager-c
n.com, DNS:googlesyndication-cn.com, DNS:*.googlesyndication-cn.com, DNS:*.safef
rame.googlesyndication-cn.com, DNS:app-measurement-cn.com, DNS:*.app-measurement
-cn.com, DNS:gvt1-cn.com, DNS:*.gvt1-cn.com, DNS:gvt2-cn.com, DNS:*.gvt2-cn.com,
DNS:2mdn-cn.net, DNS:*.2mdn-cn.net, DNS:googleflights-cn.net, DNS:*.googlefligh
ts-cn.net, DNS:admob-cn.com, DNS:*.admob-cn.com, DNS:googlesandbox-cn.com, DNS:*
.googlesandbox-cn.com, DNS:*.safenup.googlesandbox-cn.com, DNS:*.gstatic.com, DN
S:*.metric.gstatic.com, DNS:*.gvt1.com, DNS:*.gcpcdn.gvt1.com, DNS:*.gvt2.com, D
NS:*.gcp.gvt2.com, DNS:*.url.google.com, DNS:*.youtube-nocookie.com, DNS:*.ytimg
.com, DNS:android.com, DNS:*.android.com, DNS:*.flash.android.com, DNS:g.cn, DNS
:*.g.cn, DNS:g.co, DNS:*.g.co, DNS:goo.gl, DNS:www.goo.gl, DNS:google-analytics.
com, DNS:*.google-analytics.com, DNS:google.com, DNS:googlecommerce.com, DNS:*.g
ooglecommerce.com, DNS:ggpht.cn, DNS:*.ggpht.cn, DNS:urchin.com, DNS:*.urchin.co
m, DNS:youtu.be, DNS:youtube.com, DNS:*.youtube.com, DNS:youtubeeducation.com, D
NS:*.youtubeeducation.com, DNS:youtubekids.com, DNS:*.youtubekids.com, DNS:yt.be
, DNS:*.yt.be, DNS:android.clients.google.com, DNS:developer.android.google.cn,
DNS:developers.android.google.cn, DNS:source.android.google.cn, DNS:developer.ch
rome.google.cn, DNS:web.developers.google.cn
...

Jeff
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Subject Author Posted

No SNI support on multisite installation

Saint Michael March 11, 2024 02:36AM

RE: No SNI support on multisite installation

Thomas Ward via nginx March 15, 2024 02:06PM

Re: No SNI support on multisite installation

noloader March 15, 2024 02:26PM

RE: No SNI support on multisite installation

Thomas Ward via nginx March 15, 2024 02:38PM

Re: No SNI support on multisite installation

noloader March 15, 2024 02:48PM



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