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SNI SSL vs IP SSL – A Look at the Similarities and Differences

SNI SSL vs IP SSL – A Look at the Similarities and Differences

The rise of ecommerce and the shift towards an online marketplace necessitated having a secure channel via which sensitive information could be transmitted. SSL/TLS certificates fulfilled this demand by connecting websites over HTTPS and providing a secure, encrypted communication channel between clients and servers. Initially, the only SSL certificates available were organization validated (OV) certificates because they were mostly used by corporations to secure their business transactions. Now, of course, we have several different types of SSL certificates that vary by functionality and validation levels, including SNI and dedicated IP SSLs.
Secure Up to 250 Multiple Domains with One Multi Domain SSL – Save 50%
Save 50% on Sectigo Multi Domain SSL Certificates. It includes unlimited server licenses, reissuances, 256-bit encryption, and more.
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In
simple words, Server Name Indication (SNI) is an addition to the TLS encryption
protocol that binds a website hosted on a shared server with its associated SSL
certificate using its hostname. IP SSL, on the other hand, binds an SSL
certificate to the account with a unique IP address. Before looking at SNI SSL
vs IP SSL in terms of a comparative study, let’s get a better understanding of
these two terms.
SNI
SSL vs IP SSL: A Quick Overview
IP-based SSL certificates use the dedicated public IP address of the server on which the website is hosted to map the certificate to the site. In addition to the problem of only a limited number of IPv4 addresses being available, this approach can be expensive — especially when you have multiple websites. (Since webhosts charge a fee for each dedicated IP address. )
SNI, an extension to the TLS protocol, allows each domain or website hosted on a shared server under a single IP to be mapped to a separate security certificate. During the TLS handshake, the client hello uses the SNI field to specify the hostname to which it is attempting to connect. The server parses this request and sends back the relevant certificate to complete the encrypted connection.
Consider the following example:
Bob wants to host more than one site on a
virtual server. So fundamentally, one IP address is shared between multiple
websites with different hostnames. Bob understands that the server needs to know
which of these sites the client wants to connect to and must be able to send
out the corresponding certificate. If the server issues the wrong certificate, the
client’s connection will fail to establish. This adversely affects his business
when customers can’t connect.
Luckily for Bob, SNI allows clients to
communicate with the specified hostname on the shared server. So, what does Bob
do? He opts for an SNI SSL solution, where the client can tell the server
exactly which certificate it’s requesting by referencing its hostname during
the TLS handshake.
In contrast, an IP SSL certificate secures the connection based on a unique IP address.
SNI SSL vs IP SSL: Difference Between the Two
The table below makes a quick comparison
between IP SSL vs SNI SSL:
IP SSL Certificates
SNI SSL Certificates
IP SSL certificates are associated with unique IP addresses.
SNI SSL certificates are associated with hostnames.
IP SSL certificates can be used on shared servers only if a dedicated IP address is assigned to the website.
SNI SSL certificates can be used with both dedicated as well as shared servers.
An IP SSL certificate is the traditional method of facilitating an encrypted connection and can be used on older systems that do not support SNI.
SNI may not be compatible with older legacy browsers or systems. Browsers compatible with SNI (earliest version) include:
IE 7 +
Chrome 5. 0. 342. 1 +
Mozilla Firefox 2. 0 +
Opera 8. 0 +
Safari 3. 0 +
Top Multi-Domain SSL with SNI Support
Features
PositiveSSL Multi-Domain (DV)
Sectigo OV Multi-Domain SSL Certificate
Sectigo Multi-Domain/UCC SSL Certificate
Lowest Price
$25. 60/yr
$140. 00/yr
$127. 20/yr
Domains Secured
Up to 250 Multiple Domains
Validation Level
Domain Validation
Organization Validation
SSL Encryption
up to 256-bit
Key Length
2048 bits
Server License/td>
Unlimited
SSL Site Seal
Included
Reissue Policy
Warranty
$50, 000
$1, 000, 000
$500, 000
Refund Policy
30 Days
SAN / UCC Support
Yes
Browser Support
99%
OS Support [Desktop]
OS Support [Mobile]
Buy Now
View Product
View Product
SNI SSL vs IP SSL – A Look at the Similarities and Differences

SNI SSL vs IP SSL – A Look at the Similarities and Differences

The rise of ecommerce and the shift towards an online marketplace necessitated having a secure channel via which sensitive information could be transmitted. SSL/TLS certificates fulfilled this demand by connecting websites over HTTPS and providing a secure, encrypted communication channel between clients and servers. Initially, the only SSL certificates available were organization validated (OV) certificates because they were mostly used by corporations to secure their business transactions. Now, of course, we have several different types of SSL certificates that vary by functionality and validation levels, including SNI and dedicated IP SSLs.
Secure Up to 250 Multiple Domains with One Multi Domain SSL – Save 50%
Save 50% on Sectigo Multi Domain SSL Certificates. It includes unlimited server licenses, reissuances, 256-bit encryption, and more.
Shop for Multi Domain SSL and Save 50%
In
simple words, Server Name Indication (SNI) is an addition to the TLS encryption
protocol that binds a website hosted on a shared server with its associated SSL
certificate using its hostname. IP SSL, on the other hand, binds an SSL
certificate to the account with a unique IP address. Before looking at SNI SSL
vs IP SSL in terms of a comparative study, let’s get a better understanding of
these two terms.
SNI
SSL vs IP SSL: A Quick Overview
IP-based SSL certificates use the dedicated public IP address of the server on which the website is hosted to map the certificate to the site. In addition to the problem of only a limited number of IPv4 addresses being available, this approach can be expensive — especially when you have multiple websites. (Since webhosts charge a fee for each dedicated IP address. )
SNI, an extension to the TLS protocol, allows each domain or website hosted on a shared server under a single IP to be mapped to a separate security certificate. During the TLS handshake, the client hello uses the SNI field to specify the hostname to which it is attempting to connect. The server parses this request and sends back the relevant certificate to complete the encrypted connection.
Consider the following example:
Bob wants to host more than one site on a
virtual server. So fundamentally, one IP address is shared between multiple
websites with different hostnames. Bob understands that the server needs to know
which of these sites the client wants to connect to and must be able to send
out the corresponding certificate. If the server issues the wrong certificate, the
client’s connection will fail to establish. This adversely affects his business
when customers can’t connect.
Luckily for Bob, SNI allows clients to
communicate with the specified hostname on the shared server. So, what does Bob
do? He opts for an SNI SSL solution, where the client can tell the server
exactly which certificate it’s requesting by referencing its hostname during
the TLS handshake.
In contrast, an IP SSL certificate secures the connection based on a unique IP address.
SNI SSL vs IP SSL: Difference Between the Two
The table below makes a quick comparison
between IP SSL vs SNI SSL:
IP SSL Certificates
SNI SSL Certificates
IP SSL certificates are associated with unique IP addresses.
SNI SSL certificates are associated with hostnames.
IP SSL certificates can be used on shared servers only if a dedicated IP address is assigned to the website.
SNI SSL certificates can be used with both dedicated as well as shared servers.
An IP SSL certificate is the traditional method of facilitating an encrypted connection and can be used on older systems that do not support SNI.
SNI may not be compatible with older legacy browsers or systems. Browsers compatible with SNI (earliest version) include:
IE 7 +
Chrome 5. 0. 342. 1 +
Mozilla Firefox 2. 0 +
Opera 8. 0 +
Safari 3. 0 +
Top Multi-Domain SSL with SNI Support
Features
PositiveSSL Multi-Domain (DV)
Sectigo OV Multi-Domain SSL Certificate
Sectigo Multi-Domain/UCC SSL Certificate
Lowest Price
$25. 60/yr
$140. 00/yr
$127. 20/yr
Domains Secured
Up to 250 Multiple Domains
Validation Level
Domain Validation
Organization Validation
SSL Encryption
up to 256-bit
Key Length
2048 bits
Server License/td>
Unlimited
SSL Site Seal
Included
Reissue Policy
Warranty
$50, 000
$1, 000, 000
$500, 000
Refund Policy
30 Days
SAN / UCC Support
Yes
Browser Support
99%
OS Support [Desktop]
OS Support [Mobile]
Buy Now
View Product
View Product
SSL Certificate for IP Address - An Expert Guide on ... - Sectigo Store

SSL Certificate for IP Address – An Expert Guide on … – Sectigo Store

Can an SSL Certificate Be Issued For an IP Address?
The answer is ‘Yes. ’ An SSL certificate can be issued for a public IP address.
These are the rules and requirements to get an SSL certificate for an IP address:
SSL can be issued for a public IP address. Your organization must own that particular IP address. In other words, the IP address must be exclusively assigned to your organization (not to the web hosting company). A certificate authority must be able to verify your IP ownership under an IP WHOIS lookup. Your organization’s name, physical address, phone number, and email id must be shown in the IP WHOIS lookup. You must buy an Organization Validated (OV) SSL certificate to secure an IP address. Documents Required: Check here. Both OV Single domain and OV multi-domain SSL certificates can be used for an IP address. You can write an IP address in the Common Name (CN) or a Subject Alternative Name (SAN) field (if you have chosen a multi-domain SSL). All version of Windows will support the SSL if you specify the IP address as the Common Name (CN). Windows 8. 1 and earlier versions will not support the SSL certificate if you specify an IP address as a Subject Alternative Name (SAN).
Common Name (CN) Subject Alternative Name (SAN) Windows 8. 1 and earlier Yes NoWindows 10 Yes Yes
An SSL certificate can’t be issued for Reserved IP addresses (RFC 1918 and RFC 4193 range)/ private IP addresses (IPv4, IPv6), Intranet for Internal Server Name, local server name with a non-public domain name suffix. Domain Validated (DV) and Extended Validated (EV) SSL are not permitted to issue for an IP address.
Can I Get an SSL for Private IP?
No. Since 2016, the CA/Browser Forum made SSL certificates for private IP/reserved IP and local server name with a non-public domain name suffix invalid and asked certificate authorities to revoke any such SSL certificates. Because such reserved IP addresses and local server names (intranet) are not unique, they are easy to impersonate by attackers to commit man-in-the-middle attacks and get unauthorized access to the data. Hence, publicly trusted certificate authorities can no longer secure such IPs. You can get a self-signed SSL certificate for private IPs and intranet addresses, though.
Get SSL for IP Address for $33. 69/Year Only
Popular SSL Certificates for Public IP Addresses.
Name Warranty Domain Coverage Price Instant SSL$50K Single Domain $33. 69/yr. More Info InstantSSL Pro $100K Single Domain $48. 11/yr. More Info Sectigo OV SSL $1MM Single Domain $87. 50/yr. More Info EnterpriseSSL Certificate $1. 5MM Single Domain $287. 79/yr. More Info Sectigo OV SSL Multi-Domain/UCC $1MM Multiple Domains $149/yr. More Info

Frequently Asked Questions about ip ssl

What is IP based SSL?

IP-based SSL certificates use the dedicated public IP address of the server on which the website is hosted to map the certificate to the site. … SNI, an extension to the TLS protocol, allows each domain or website hosted on a shared server under a single IP to be mapped to a separate security certificate.

Can I use SSL with IP?

The answer is ‘Yes. ‘ An SSL certificate can be issued for a public IP address. … Both OV Single domain and OV multi-domain SSL certificates can be used for an IP address. You can write an IP address in the Common Name (CN) or a Subject Alternative Name (SAN) field (if you have chosen a multi-domain SSL).

How do I secure my IP address with SSL?

SSL Certificates for public IP addresses Today, two options exist to encrypt a public IP address. The easiest and quickest one is to use a Domain Validation certificate. With a DV cert, you can secure an IP address within minutes. Moreover, it allows you to encrypt multiple IPs under a single SSL installation.

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