SSL Frequently Asked Questions
1. What is SSL?
2. When do I need to use SSL?
3. What is a digital key? What is a certificate?
4. Does SSL ensure security?
5. Why does a Comodo InstantSSL Certificate cost considerably
less than other Certification Authorities?
6. Where can I find out more about the validation, issuance and
management process?
7. Will Comodo InstantSSL Certificates work correctly with my
customer's browsers?
8. What is the difference between an InstantSSL, InstantSSL Pro
and PremiumSSL Certificate?
9. What does the Warranty actually mean?
10. I want an increased Warranty on my InstantSSL Certificate
- how can I get this?
11. How long does it take to process my application?
12. Which versions of the SSL protocol is Comodo InstantSSL
compatible with?
1. What is SSL?
SSL stands for "secure socket layer." It uses a public key and private
key system. This system allows for the encryption of data between the Web
server and visitors to the website that the SSL certificate has been issued
for. Encrypted data greatly reduces the chances of a malicious third party
intercepting and wrongfully using your transmitted information.
SSL is an industry standard and is used by millions of websites in the protection
of their online transactions with their customers. In order to be able to
generate an SSL link, a web server requires an SSL Certificate. Comodo's InstantSSL
is such a Certificate, and when installed, can be used to create secure links
to protect transactions, passwords, personal details, etc.
2. When do I need to use SSL?
SSL should be used when you wish to provide enhanced security on a site. Common
uses for SSL include online ordering systems and credit card processing. The
encrypting provided by SSL makes it difficult for any intercepted information
to be used.
3. What is a digital key? What is a certificate?
SSL uses a public key - private key system for its encrypting. The public
key is used to encrypt the information. However, only the private key can
be used to decrypt this information. This allows the public key to be known
to all so that encrypted information may be sent to the server. The server
can then use the private key, which is kept secret, to decrypt the information.
4. Does SSL ensure security?
SSL only enhances security, but it by no means guarantees it. Should a third
party intercept your encrypted information, it would be extremely difficult
for them to decrypt it without the key. In most real world cases, it is not
practical to forcefully decrypt this information (without having the private
key) because of the tremendous effort it would require.
The real security concern comes after the information is transmitted to and
decrypted by the web server. Does it store it in a file that is easily readable?
Are orders e-mailed plain text to a processing center? Are they printed out
and left lying around? Do companies keep credit card numbers long after they
need them? These are the real security concerns for the Internet, and although
SSL provides for better security, it cannot begin to solve these problems.
5. Why does a Comodo InstantSSL Certificate cost considerably
less than other Certification Authorities?
From Comodo: "InstantSSL has direct access to the IdAuthority, the largest
commercial directory on the web. InstantSSL can therefore expediate the validation
of an application. This efficient and highly effective validation method ensures
we can issue a Certificate at a greatly reduced cost as reflected through
our guaranteed lowest price in the industry as well as maintain a level of
validation far superior to the methods employed by other SSL providers. In
particular, the validation process employed to issue an InstantSSL, InstantSSL
Pro or PremiumSSL Certificate is considerably more than just a domain name
ownership check - we firmly believe this method alone to be insufficient to
maintain the level of integrity in SSL that consumers have come to expect."
6. Where can I find out more about the validation, issuance
and management process?
As a commercial Certificate Authority, Comodo publish a Certification Practice
Statement. This policy document is available here.
7. Will Comodo InstantSSL Certificates work correctly with
my customer's browsers?
In order for your customer's browser to seamlessly use an InstantSSL Certificate,
they must trust Comodo's 'Root Certificate'. The Root certificate (provided
by Baltimore Technologies)
is trusted by over 99% of all current browsers, comprising all Internet Explorer
5.00 and above, Netscape 4x and above, Opera 5 and above and AOL 5 and above,
and comes pre-installed with all Windows 98SE, Windows ME, Windows 2000 and
Windows XP operating systems. This browser compatibility makes Comodo InstantSSL
as trusted as Verisign and Thawte.
8. What is the difference between an InstantSSL, InstantSSL
Pro and PremiumSSL Certificate?
Comodo InstantSSL Certificates are designed to secure intranets and low cost
transactions. Comodo InstantSSL Pro and Comodo PremiumSSL Certificates are
designed to secure all web servers. Whilst technically the three 'flavours'
of certificate are identical, they vary on the dollar amount of the warranty
associated with each type of certificate. The Comodo InstantSSL certificate
comes with a warranty of only US$49. However, Comodo InstantSSL Pro Certificates
carry a warranty of US$2500 and Comodo PremiumSSL Certificates carry a greatly
increased warranty of US$10 000 for your total peace of mind. For more information
on warranties, please read the CA Comparison
Chart.
9. What does the Warranty actually mean?
If Comodo were to mis-issue a certificate to a fraudulent site, and that fraudulent
site has an SSL link with an end user and as a result of this the end user
loses money. The end user had what they thought was a "trusted session". Comodo
should never have provided the fraudster with the ability to engineer this
situation. Hence, Comodo have taken out insurance to pay out money to the
end user. How can they do this?
a. They value the end customer
b. They believe the insurance provided greater peace of mind hence allows
the merchant to sell more products
c. Most importantly, they value their validation techniques (delivered through
www.idauthority.com)
Comodo pre-validate customers and provide validation that is far higher than
the majority of other SSL providers. Some CA's have very weak validation hence
they decide not to offer insurance! Finally, it is worth pointing out,
that Comodo offer high validation, but not at the compromise of speed. You
can still obtain SSL instantly.
10. I want an increased Warranty on my Comodo InstantSSL
Certificate - how can I get this?
If you require an increased warranty on your SSL Certificate, choose from
the Comodo InstantSSL Pro or Comodo PremiumSSL Certificates option. This provides
a greatly increased warranty of US$2500 and US$10 000 respectively.
11. How long does it take to process my application?
Provided Comodo have sufficient validation information available through the
IdAuthority (as described in their CPS), your Comodo InstantSSL, Comodo InstantSSL
Pro or Comodo PremiumSSL certificate can be issued in only minutes. If additional
verification processes must be used to validate your application, the issuance
process may take slightly longer. In such cases they guarantee that the Certificate
is issued within 2 working days.
12. Which versions of the SSL protocol is Comodo InstantSSL
compatible with?
InstantSSL is compatible with any browsers and webservers using SSL version
3 - the de facto SSL implementation. SSL version 1 and version 2 have been
superseded by version 3 for a number of years, mainly due to the inherent
security flaws found in these old versions. All web browsers developed after
Internet Explorer 3 and Netscape 3 use SSL version 3 (however still support
older SSL protocol versions). If your webserver is only capable of supporting
versions 1 and 2 of the SSL protocol we strongly recommend you contact your
webserver software vendor for an update - these protocols are flawed. For
more details on why SSL version 2 is no longer used can be found here:
http://www.eucybervote.org/Reports/MSI-WP2-D7V1-V1.0-02.htm
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