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<code>getenv()</code> from the Apache server process.</li> |
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<code>getenv()</code> from the Apache server process.</li> |
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<li>There is the special format: |
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<li>There is the special format: |
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<code>%{SSL:variable}</code> where <em>variable</em> is the |
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name of an <a href="mod_ssl.html#envvars">SSL environment |
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variable</a>; this can be used whether or not |
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<module>mod_ssl</module> is loaded, but will always expand to |
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the empty string if it is not. Example: |
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<code>%{SSL:SSL_CIPHER_USEKEYSIZE}</code> may expand to |
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<code>128</code>.</li> |
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<li>There is the special format: |
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<code>%{HTTP:header}</code> where <em>header</em> can be |
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<code>%{HTTP:header}</code> where <em>header</em> can be |
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any HTTP MIME-header name. This is looked-up from the HTTP |
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any HTTP MIME-header name. This is looked-up from the HTTP |
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request. Example: <code>%{HTTP:Proxy-Connection}</code> is |
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request. Example: <code>%{HTTP:Proxy-Connection}</code> is |