Chapter 2 Basic AdministrationGenerating a Secure Certificate16 Application Gateway Administration Guide4. When you receive the signed certificate file from your SSL certificationcompany, check the file format. If it is not in PEM format, convert it asdescribed in “Converting to a PEM-Formatted Certificate,” page 18.5. Combine the PEM-formatted signed certificate with thePEM-formatted private key (private.key) as described in “Combiningthe Private Key with the Signed Certificate,” page 20.6. If your certificate has more than one level, handle the intermediatecertificates as described in “Generating Trusted Certificates forMultiple Levels,” page 20.7. Upload the certificate to the Application Gateway as described in“Uploading a Certificate to the Application Gateway,” page 21.Installing the Cygwin UNIX Environment for WindowsIf Linux OpenSSL is not available, install the Cygwin UNIX environmentfor Windows. When you install Cygwin, you must choose the OpenSSLmodules as described in the following steps.To install Cygwin:1 Use a web browser to navigate to www.cygwin.com and click InstallCygwin Now.2 Follow the on-screen instructions to open the setup installer.3 In the Cygwin Setup dialog box, click Next.4 Click Install from Internet and then click Next.5 Accept the default root installation directory settings and then click Next.6 Accept the default local package directory setting and then click Next.7 In the Internet Connection screen, click Use IE5 Settings and then clickNext.8 In the list of Available Download Sites, click a site and then click Next.9 In the Select Packages screen, click the View button (upper-right corner).10 Scroll the packages list to locate in the Package column openssl: TheOpenSSL runtime environment and openssl-devel: The OpenSSLdevelopment environment.11 In the New column for those two entries, click Skip.
