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Linux System Administration
book

Linux System Administration

by Tom Adelstein, Bill Lubanovic
March 2007
Intermediate to advanced content levelIntermediate to advanced
304 pages
11h 12m
English
O'Reilly Media, Inc.
Content preview from Linux System Administration
suEXEC Support
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143
Now try accessing your home page with an https:// URL (for example, https://server1.
centralsoft.org).
For SSL to work, your server also needs a certificate. This is an encrypted file that
proves to the user’s browser that you are who you claim to be. How does the
browser know whom to trust? Web browsers have built-in lists of trusted certificate
authorities (CAs). The command/option/tab chain to view them is:
Firefox 2.0
Tools
Advanced Encryption View Certificates Authorities
Internet Explorer 6.0
Tools
Internet Options Content Certificates Trusted Root Certification
Authorities
CAs are companies that sell your organization a certificate and want cash for doing
the legwork to verify your identity. Commercial web sites almost always use commer-
cial CAs, because the browser silently accepts certificates issued by its trusted CAs.
Alternatively, you can be your own CA and create a self-signed certificate. This works
with SSL just as well as a commercial certificate, but the web browser will prompt
the user about whether or not to accept your certificate. Self-signed certs are com-
mon in small open source projects and during testing of larger projects.
suEXEC Support
Apache can serve multiple sites at the same time, but the individual sites will have
different pages, CGI scripts, users, and so on. Because Apache runs as a particular
user and group (our defaults are
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Publisher Resources

ISBN: 9780596009526Supplemental ContentCatalog PageErrata