--- conf/modules.d/00_default_settings.conf.orig	2011-10-14 12:15:22.000000000 -0600
+++ conf/modules.d/00_default_settings.conf	2011-10-14 12:16:57.000000000 -0600
@@ -68,8 +68,28 @@
 # be turned off when serving from networked-mounted 
 # filesystems or if support for these functions is otherwise
 # broken on your system.
-#EnableMMAP off
-#EnableSendfile off
+EnableMMAP On
+EnableSendfile On
+
+# FileEtag: Configures the file attributes that are used to create
+# the ETag (entity tag) response header field when the document is
+# based on a static file. (The ETag value is used in cache management
+# to save network bandwidth.)
+FileEtag INode MTime Size
+
+# ContentDigest: This directive enables the generation of Content-MD5
+# headers as defined in RFC1864 respectively RFC2616.
+# The Content-MD5 header provides an end-to-end message integrity
+# check (MIC) of the entity-body. A proxy or client may check this
+# header for detecting accidental modification of the entity-body
+# in transit.
+# Note that this can cause performance problems on your server since
+# the message digest is computed on every request (the values are
+# not cached).
+# Content-MD5 is only sent for documents served by the core, and not
+# by any module. For example, SSI documents, output from CGI scripts,
+# and byte range responses do not have this header.
+ContentDigest Off
 
 # ErrorLog: The location of the error log file.
 # If you do not specify an ErrorLog directive within a <VirtualHost>