| #define |  Enabled? |  Effects when enabled | 
            
            
              FEATURE_ACCEPT_FILTER | 
              @if-FEATURE_ACCEPT_FILTER-then@ Yes @else-not-FEATURE_ACCEPT_FILTER@ No @endif-FEATURE_ACCEPT_FILTER@ | 
              Support for FreeBSD's accf_http(9) which is also available on some other BSDs. | 
            
            
              FEATURE_ACL | 
              @if-FEATURE_ACL-then@ Yes @else-not-FEATURE_ACL@ No @endif-FEATURE_ACL@ | 
              Allows the use of an ACL to control access to Privoxy by IP address. | 
            
            
              FEATURE_CGI_EDIT_ACTIONS | 
              @if-FEATURE_CGI_EDIT_ACTIONS-then@ Yes @else-not-FEATURE_CGI_EDIT_ACTIONS@ No @endif-FEATURE_CGI_EDIT_ACTIONS@ | 
              Allows the use of the @if-FEATURE_CGI_EDIT_ACTIONS-then@@else-not-FEATURE_CGI_EDIT_ACTIONS@
                 @endif-FEATURE_CGI_EDIT_ACTIONS@web-based actions file
                 editor@if-FEATURE_CGI_EDIT_ACTIONS-then@@else-not-FEATURE_CGI_EDIT_ACTIONS@@endif-FEATURE_CGI_EDIT_ACTIONS@. | 
            
            
              FEATURE_COMPRESSION | 
              @if-FEATURE_COMPRESSION-then@ Yes @else-not-FEATURE_COMPRESSION@ No @endif-FEATURE_COMPRESSION@ | 
              
               Allows to compress buffered content before sending it to the client, assuming the client supports it.
               | 
            
            
              FEATURE_CONNECTION_KEEP_ALIVE | 
              @if-FEATURE_CONNECTION_KEEP_ALIVE-then@ Yes @else-not-FEATURE_CONNECTION_KEEP_ALIVE@ No @endif-FEATURE_CONNECTION_KEEP_ALIVE@ | 
              
               Allows to send multiple request through the same connections if the server supports it.
               Requires the keep-alive-timeout config directive to be set.
               | 
            
            
              FEATURE_CONNECTION_SHARING | 
              @if-FEATURE_CONNECTION_SHARING-then@ Yes @else-not-FEATURE_CONNECTION_SHARING@ No @endif-FEATURE_CONNECTION_SHARING@ | 
              
               Allows to share outgoing connections between incoming connections.
               Requires the connection-sharing config directive to be set.
               | 
            
            
              FEATURE_FAST_REDIRECTS | 
              @if-FEATURE_FAST_REDIRECTS-then@ Yes @else-not-FEATURE_FAST_REDIRECTS@ No @endif-FEATURE_FAST_REDIRECTS@ | 
              Allows the +fast-redirects action, to bypass redirect and logging scripts. | 
            
            
              FEATURE_FORCE_LOAD | 
              @if-FEATURE_FORCE_LOAD-then@ Yes @else-not-FEATURE_FORCE_LOAD@ No @endif-FEATURE_FORCE_LOAD@ | 
              Allows bypassing all filtering for a single page using the prefix
                  @FORCE_PREFIX@ . | 
            
            
              FEATURE_GRACEFUL_TERMINATION | 
              @if-FEATURE_GRACEFUL_TERMINATION-then@ Yes @else-not-FEATURE_GRACEFUL_TERMINATION@ No @endif-FEATURE_GRACEFUL_TERMINATION@ | 
              Allows to shutdown Privoxy through the web interface. | 
            
            
              FEATURE_IMAGE_BLOCKING | 
              @if-FEATURE_IMAGE_BLOCKING-then@ Yes @else-not-FEATURE_IMAGE_BLOCKING@ No @endif-FEATURE_IMAGE_BLOCKING@ | 
              Allows the +handle-as-image action, to send blocked  images instead of HTML. | 
            
            
              FEATURE_IPV6_SUPPORT | 
              @if-FEATURE_IPV6_SUPPORT-then@ Yes @else-not-FEATURE_IPV6_SUPPORT@ No @endif-FEATURE_IPV6_SUPPORT@ | 
              
               Allows IPv6 addresses in incoming requests, when resolving domains to
               IP addresses and in the configuration files.
               | 
            
            
              FEATURE_IMAGE_DETECT_MSIE | 
              @if-FEATURE_IMAGE_DETECT_MSIE-then@ Yes @else-not-FEATURE_IMAGE_DETECT_MSIE@ No @endif-FEATURE_IMAGE_DETECT_MSIE@ | 
              Enables automatic detection of image and HTML requests from
               Microsoft Internet Explorer users, overriding the setting of
               +image in the actions file. | 
            
            
              FEATURE_NO_GIFS | 
              @if-FEATURE_NO_GIFS-then@ Yes @else-not-FEATURE_NO_GIFS@ No @endif-FEATURE_NO_GIFS@ | 
              Use PNG instead of GIF for the built-in images. | 
            
            
              FEATURE_PTHREAD | 
              @if-FEATURE_PTHREAD-then@ Yes @else-not-FEATURE_PTHREAD@ No @endif-FEATURE_PTHREAD@ | 
              Use POSIX threads rather than native threads | 
            
            
              FEATURE_STATISTICS | 
              @if-FEATURE_STATISTICS-then@ Yes @else-not-FEATURE_STATISTICS@ No @endif-FEATURE_STATISTICS@ | 
              Enables the statistics function. | 
            
            
              FEATURE_TOGGLE | 
              @if-FEATURE_TOGGLE-then@ Yes @else-not-FEATURE_TOGGLE@ No @endif-FEATURE_TOGGLE@ | 
              Allow Privoxy to be disabled  so it is just a normal non-blocking non-anonymizing proxy. | 
            
            
              FEATURE_TRUST | 
              @if-FEATURE_TRUST-then@ Yes @else-not-FEATURE_TRUST@ No @endif-FEATURE_TRUST@ | 
              Allows the use of trust files. | 
            
            
              FEATURE_ZLIB | 
              @if-FEATURE_ZLIB-then@ Yes @else-not-FEATURE_ZLIB@ No @endif-FEATURE_ZLIB@ | 
              Allows to decompress gzip and zlib compressed documents for filtering.
                Requires external zlib library and hasn't been tested on all platforms. | 
            
            
              STATIC_PCRE | 
              @if-STATIC_PCRE-then@ Yes @else-not-STATIC_PCRE@ No @endif-STATIC_PCRE@ | 
              Use the supplied statically-linked PCRE library. This is set automatically
               by ./configure if you do not have the libpcre installed.
               Dynamically linking to an external libpcre is recommended as the internal
               one is outdated and lacks various features and bug-fixes you may be interested in. | 
            
            
              STATIC_PCRS | 
              @if-STATIC_PCRS-then@ Yes @else-not-STATIC_PCRS@ No @endif-STATIC_PCRS@ | 
              Use the supplied statically-linked PCRS library.  This is set automatically
               by ./configure if you do not have the libpcrs installed. |