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Chotudin-9437 asked Chotudin-9437 answered

SNI question

Good morning. I have a question on SNI. I know we can use single IP for multiple website.

suppose have a domain constoso.com and I need to host three website like abc.contoso.com, xyz.contoso.com and dxy.contoso.com.

How to implement / where to configure?
How many certificate will require?
Do I need to make any changes on firewall side?
What is the Disadvantage of SNI (except not compatible for IIS 7 and before)


Thanks for help in advance.

windows-server-iis
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I think this post can help with your requirement. Please take a look of the answer with 24 upvotes in the post.

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Chotudin-9437 answered HuryShenMSFT-3800 commented

any suggestion. please

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Hi @dineshnegi-9437 , have you checked the post link I provided above in comments ? It seems your requirement is same with the post and the answer under the post can help with your requirements.

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Chotudin-9437 answered HuryShenMSFT-3800 edited

I can't see any link. Which link are you referring.

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I attached the link with the words this post in my comment. You can click the words this post of my comment or go to this link(https://stackoverflow.com/questions/12214475/multiple-domains-in-443-port-in-same-ip) directly

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Chotudin-9437 answered

Suppose, I enable the SNI on webserver single IP and Multiple websites with different SSL certificate.

1) Do I need to configure anything on Load Balancer or Firewall as well?
2) Like if request will come from outside how it will work? How load Balancer will work with webserver?. What port will require to communicate with webserver and LoadBalancer

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