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121 lines
3.8 KiB
Text
121 lines
3.8 KiB
Text
[id='securing-apache-httpd']
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= Securing Apache HTTPD
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To enable TLS/SSL support, download and install one of the following packages:
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* https://packages.fedoraproject.org/pkgs/httpd/mod_ssl/[mod_ssl], based on https://www.openssl.org[OpenSSL]
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* https://packages.fedoraproject.org/pkgs/mod_gnutls/mod_gnutls/[mod_gnutls], based on https://www.gnutls.org/[GnuTLS]
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* https://packages.fedoraproject.org/pkgs/mod_nss/mod_nss/[mod_nss], based on https://developer.mozilla.org/en-US/docs/Mozilla/Projects/NSS[NSS]
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[id='using-mod-ssl']
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== Using mod_ssl
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[id='installing-mod-ssl']
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=== Installing mod_ssl
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The https://packages.fedoraproject.org/pkgs/httpd/mod_ssl/[mod_ssl] package will be automatically enabled post installation. Install the https://packages.fedoraproject.org/pkgs/httpd/mod_ssl/[mod_ssl] package using the following command:
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----
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sudo dnf install mod_ssl -y
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----
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[id='generating-new-certificate']
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=== Generating a new certificate
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To generate a new certificate, refer to https://fedoraproject.org/wiki/Https#openssl[Create a certificate using OpenSSL].
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// The topic ID can be used here instead of the absolute link. Have used absolute link as the destination content in question is in a topic that may not be a part of this activity.
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[id='installing-existing-certificate']
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=== Installing an existing certificate
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If you already have a certificate generated on another computer, do the following:
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. Move the certificate and the key file to the correct folder
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+
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----
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sudo mv key_file.key /etc/pki/tls/private/myhost.com.key
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sudo mv certificate.crt /etc/pki/tls/certs/myhost.com.crt
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----
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+
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. Ensure that the following parameters are correct:
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+
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.. SELinux contexts
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+
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----
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restorecon /etc/pki/tls/private/myhost.com.key
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restorecon /etc/pki/tls/certs/myhost.com.crt
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----
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.. Ownership
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----
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sudo chown root.root /etc/pki/tls/private/myhost.com.key
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sudo chown root.root /etc/pki/tls/certs/myhost.com.crt
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----
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+
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.. Permissions
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+
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----
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sudo chmod 0600 /etc/pki/tls/private/myhost.com.key
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sudo chmod 0600 /etc/pki/tls/certs/myhost.com.crt
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----
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After installing the existing certificate, set up the certificate using <<mod_ssl configuration>>.
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[id='mod-ssl-configuration']
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=== mod_ssl configuration
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The default TLS/SSL configuration is contained in the file `/etc/httpd/conf.d/ssl.conf`. In the `ssl.conf` file, following are the directives that specify where the TLS/SSL certificate and key are located:
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----
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SSLCertificateFile /etc/pki/tls/certs/localhost.crt
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SSLCertificateKeyFile /etc/pki/tls/private/localhost.key
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----
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These directives are enclosed in a block defining a https://httpd.apache.org/docs/current/vhosts/[virtual host]:
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----
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<VirtualHost _default_:443>
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...
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SSLCertificateFile /etc/pki/tls/certs/localhost.crt
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...
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SSLCertificateKeyFile /etc/pki/tls/private/localhost.key
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...
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</VirtualHost>
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----
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To define a different location for these files, do the following:
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. Create a copy of the `/etc/httpd/conf.d/ssl.conf` file and renew the file to `z-ssl-local.conf`.
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+
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. Edit the following lines in the `z-ssl-local.conf` file:
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----
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<VirtualHost _default_:443>
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SSLCertificateFile /etc/pki/tls/certs/www.myhost.org.crt
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SSLCertificateKeyFile /etc/pki/tls/private/www.myhost.org.key
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</VirtualHost>
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----
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This file will override the two settings for the `pass:[_default_]:443` virtual host; all other settings from `ssl.conf` will be retained.
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[id='settings-individual-virtual-hosts']
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=== Settings for individual virtual hosts
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To use SSL/TLS for a specific virtual host with a different certificate as default, do the following:
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. Open that virtual host's configuration file `/etc/httpd/conf.d/hostname.conf`.
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. Insert these lines between `<VirtualHost hostname:port>` and `</VirtualHost>`:
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+
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----
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SSLEngine on
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SSLCertificateFile /etc/pki/tls/certs/hostname.crt
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SSLCertificateKeyFile /etc/pki/tls/private/hostname.key
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----
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