Red Hat NETWORK PROXY SERVER 3.7 - Manuale Utente Scaricare il pdf (Pagina 56)

46 Securing Your Server

youclaimto be, theywill sendyouadigital certiﬁcate. You then installthis

certiﬁcate on your web server, and begin handling secure transactions.

3.2 Deciding on a Certiﬁcate Authority

We can’t tell you which certiﬁcate authority to choose. Your decision may

be based on your past experiences, or on the experiences of your friends

or colleagues, or purely on monetary factors. We will guide you through

the process of getting a digital certiﬁcate from both VeriSign and Thawte.

At the time this document was written, VeriSign charged $349 for the

ﬁrst server digital certiﬁcate and $249 for each additional server. Thawte

charged $125 for each server. Each of these amounts will get you a cer-

tiﬁcate good for a limited amount of time, normally a year. You’ll need to

check with the CA when you purchase the certiﬁcate to ﬁnd out exactly

when your certiﬁcate will need to be renewed.

Please Note: Through a special arrangement with Thawte, purchasers of

the Red Hat SecureWeb Server boxed set can obtain signed certiﬁcates for

only $100 per server. Instructions for obtaining the discounted price can

be found in section 3.7.2 on page 61.

3.3 Proving Your Organization’s Identity to a

When you request a certiﬁcate from a CA, you’ll need to somehow prove

that your organization has the right to conduct business using your orga-

nization’s name. CAs arevery speciﬁcabout what types of proof theywill

accept.

In some cases,copies of the documentsdescribedwill needto bemailed or

faxedto theCA,andyour certiﬁcatewill notbeissueduntil the documents

have been receivedand veriﬁed by the CA.

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Red Hat NETWORK PROXY SERVER 3.7 - Manuale Utente Pagina 56