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possible that there can be different behavior at the protocol level if request_rec isn't really a request but a response. This stems from the fact that request bodies must be indicated by Content-Length or Transfer-Encoding, but response bodies do not. The recent change to ap_http_filter to return EOS if there isn't a body broke proxy. Therefore, there must be some way for the proxy to indicate that this is a response. Accordingly, ap_http_filter can allow the BODY_NONE iff this is a response. Since r->proxyreq is set to PROXYREQ_PROXY even for the original request from the client, that value isn't sufficient. Hence, the introduction of PROXYREQ_RESPONSE. git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@95390 13f79535-47bb-0310-9956-ffa450edef68
The directory structure for this level is as follows: aaa/ This directory contains modules dealing with authorization and authentication. arch/ cache/ This directory houses modules that implement file and data caching capability. dav/ This directory houses modules that implement WebDAV functionality. echo/ experimental/ In this directory we've placed some modules which we think provide some pretty interesting functionality, but which are still in the early stages of development and could evolve radically in the future. This code isn't supported officially. filters/ This directory houses modules that perform general inline data filtering. generators/ This directory houses modules that perform data generation functions. http/ This directory houses modules that basic HTTP protocol implementation. loggers/ This directory houses modules that handle logging functions. mappers/ This directory houses modules that handle URL mapping and rewriting. metadata/ This directory houses modules that deal with Header metadata. proxy/ This houses the code for the proxy module for Apache. ssl/ test/ This directory houses modules which test various components of Apache. You should not compile these into a production server. tls/ This directory houses code for OpenSSL functionality.