diff -ruN awffull-3.10.2.orig/doc/awffull.conf.5 awffull-3.10.2/doc/awffull.conf.5
--- awffull-3.10.2.orig/doc/awffull.conf.5	2008-12-12 19:25:09.000000000 -0700
+++ awffull-3.10.2/doc/awffull.conf.5	2009-07-31 12:22:39.000000000 -0600
@@ -239,6 +239,18 @@
 produces the greatest amount of detail. User agent names that can't
 be mangled will be left unmodified.
 .TP 
+MangleReferrers
+The MangleReferrers keyword allows you to specify how much, if any, AWFFull
+should mangle referrers.  This allows several levels of detail
+to be produced when reporting referrer statistics.
+The default Level 0 displays the
+full referrer field without modification and produces the greatest
+amount of detail.
+Level 1 will only show the host/domain name.
+Level 2 will show the first path
+Level 3 will show the first two paths
+and so on.
+.TP 
 AssignToCountry
 AssignToCountry allows a form of override to force given
 domains to a specified country. Use the standard 2 letter country
diff -ruN awffull-3.10.2.orig/doc/awffull.conf.5.xml awffull-3.10.2/doc/awffull.conf.5.xml
--- awffull-3.10.2.orig/doc/awffull.conf.5.xml	2008-12-12 19:24:13.000000000 -0700
+++ awffull-3.10.2/doc/awffull.conf.5.xml	2009-07-31 12:24:33.000000000 -0600
@@ -369,6 +369,22 @@
       </varlistentry>
 
       <varlistentry>
+        <term>MangleReferrers</term>
+
+        <listitem>
+          <para>The MangleReferrers keyword allows you to specify how much, if 
+          any, AWFFull should mangle referrers.  This allows several levels of detail
+          to be produced when reporting referrer statistics.
+          The default Level 0 displays the full referrer field without modification 
+          and produces the greatest amount of detail.
+          Level 1 will only show the host/domain name.
+          Level 2 will show the first path
+          Level 3 will show the first two paths
+          and so on.</para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
         <term>AssignToCountry</term>
 
         <listitem>
diff -ruN awffull-3.10.2.orig/README.webalizer awffull-3.10.2/README.webalizer
--- awffull-3.10.2.orig/README.webalizer	2008-12-12 18:31:17.000000000 -0700
+++ awffull-3.10.2/README.webalizer	2009-07-31 12:18:51.000000000 -0600
@@ -828,6 +828,24 @@
               greatest amount of detail.
               Command line argument: -M
 
+MangleReferrers  The MangleReferrers keyword allows you to specify how much, if any, AWFFull
+                 should mangle referrers.  This allows several levels of detail
+                 to be produced when reporting referrer statistics.
+                 The default Level 0 displays the
+                 full referrer field without modification and produces the greatest
+                 amount of detail.
+                 Level 1 will only show the host/domain name.
+                 Level 2 will show the first path
+                 Level 3 will show the first two paths
+                 and so on.
+                 Example:
+                  Original Referrer: http://domain.com/path1/path2/path3/path4.html
+                  Mangled Referrer w/Level 1: http://domain.com
+                  Mangled Referrer w/Level 2: http://domain.com/path1
+                  Mangled Referrer w/Level 3: http://domain.com/path1/path2
+                  Mangled Referrer w/Level 4: http://domain.com/path1/path2/path3
+                  Mangled Referrer w/Level 5: http://domain.com/path1/path2/path3/path4.html
+
 SearchEngine  This keyword allows specification of search engines and
               their query strings.  Search strings are obtained from
               the referrer field in the record, and in order to work
diff -ruN awffull-3.10.2.orig/sample.conf awffull-3.10.2/sample.conf
--- awffull-3.10.2.orig/sample.conf	2008-12-12 18:31:17.000000000 -0700
+++ awffull-3.10.2/sample.conf	2009-07-31 12:15:08.000000000 -0600
@@ -713,6 +713,26 @@
 
 #MangleAgents    0
 
+# The MangleReferrers allows you to specify how much, if any, AWFFull
+# should mangle referrers.  This allows several levels of detail
+# to be produced when reporting referrer statistics.  
+# The default Level 0 displays the
+# full referrer field without modification and produces the greatest
+# amount of detail.
+# Level 1 will only show the host/domain name.
+# Level 2 will show the first path
+# Level 3 will show the first two paths
+# and so on.
+# Example:
+#  Original Referrer: http://domain.com/path1/path2/path3/path4.html
+#  Mangled Referrer w/Level 1: http://domain.com
+#  Mangled Referrer w/Level 2: http://domain.com/path1
+#  Mangled Referrer w/Level 3: http://domain.com/path1/path2
+#  Mangled Referrer w/Level 4: http://domain.com/path1/path2/path3
+#  Mangled Referrer w/Level 5: http://domain.com/path1/path2/path3/path4.html
+
+#MangleReferrers    0
+
 # The SearchEngine keywords allow specification of search engines and
 # their query strings on the URL.  These are used to locate and report
 # what search strings are used to find your site.  The first word is
diff -ruN awffull-3.10.2.orig/src/awffull.c awffull-3.10.2/src/awffull.c
--- awffull-3.10.2.orig/src/awffull.c	2008-12-12 19:28:35.000000000 -0700
+++ awffull-3.10.2/src/awffull.c	2009-07-31 12:32:47.000000000 -0600
@@ -49,6 +49,7 @@
 char *get_domain(char *);                       /* return domain name  */
 char *our_gzgets(gzFile, char *, int);          /* our gzgets          */
 int do_agent_mangling(char *);
+int do_referrer_mangling(char *);
 void option_checks(void);                       /* Various early checks */
 void *process_log_line(void *);
 bool isaffirmitive(char *);                     /* Is the passed in string == to Y | y | N | n | Yes or No
@@ -956,6 +957,7 @@
         "segcountry",                           /* Segmenting by Country      136 */
         "segreferer",                           /* Segmenting by Referer      137 */
         "ignoreindexalias"                      /* Ignore Index Alias Settings 138 */
+        "manglereferrers",                      /* Mangle Referrers         139   */
     };
     FILE *fp;
 
@@ -1485,6 +1487,9 @@
         case 138:
             g_settings.flags.ignore_index_alias = isaffirmitive(value);
             break;                              /* IgnoreIndexAlias      */
+        case 139:
+            g_settings.settings.mangle_referrer = atoi(value);
+            break;                              /* MangleReferrers       */
         }
     }
     if ((page_type != NULL) && (not_page_type != NULL)) {
@@ -2111,6 +2116,46 @@
 }
 
 
+/******************************************************************************
+ * do_referrer_mangling                                                       *
+ *                                                                            *
+ * Tries to reduce a complex Referrer string down to a simpler level.         *
+ *                                                                            *
+ * Arguments:                                                                 *
+ * char *referrer The Referrer to reduce. This function will "mangle" this!   *
+ *                                                                            *
+ * Returns:                                                                   *
+ * int. 0 on Success.                                                         *
+ *                                                                            *
+ * TODO: Return something else if fails!                                      *
+ * TODO: Do this nicer in PCRE or equiv.                                      *
+ ******************************************************************************/
+int
+do_referrer_mangling(char *referrer)
+{
+    char *cp1, *cp2;                            /* generic char pointers       */
+    int count = 0;
+
+                cp1 = strchr(referrer,'/');
+                if (cp1 != NULL) {
+                        while (*cp1) {
+                                if (*cp1 == '/') {
+                                        count++;
+                                        cp2 = cp1;
+                                        if (count == (g_settings.settings.mangle_referrer + 2)) break;
+                                } /* if */
+                                cp1++;
+                        } /* while */
+                } /* if */
+
+                if (count && count >= (g_settings.settings.mangle_referrer + 2)) {
+                        referrer[strlen(referrer) - strlen(cp2)] = '\0';
+                } /* if */
+
+                return (0);
+}
+
+
 /************************************************************************
  * response_code_index                                                  *
  *                                                                      *
@@ -2392,6 +2437,11 @@
     /* unescape referrer */
     unescape(refer);
 
+    /* Do we need to mangle? */
+    if (g_settings.settings.mangle_referrer) {
+        do_referrer_mangling(refer);
+    }
+
     /* fix referrer field */
     cp1 = refer;
     cp2 = refer;
diff -ruN awffull-3.10.2.orig/src/awffull.h awffull-3.10.2/src/awffull.h
--- awffull-3.10.2.orig/src/awffull.h	2008-12-12 19:28:35.000000000 -0700
+++ awffull-3.10.2/src/awffull.h	2009-07-31 12:04:44.000000000 -0600
@@ -333,6 +333,7 @@
 struct generic_settings {
     unsigned int index_months;                  /* Number of Months to display                                          */
     unsigned int mangle_agent;                  /* mangle user agents                                                   */
+    unsigned int mangle_referrer;               /* mangle referrers                                                     */
     unsigned int visit_timeout;                 /* visit timeout - units in seconds                                     */
     unsigned int log_type;                      /* Log Type. See #define LOG_* above                                    */
     unsigned int group_domains;                 /* Group domains 0=none                                                 */
diff -ruN awffull-3.10.2.orig/src/options.c awffull-3.10.2/src/options.c
--- awffull-3.10.2.orig/src/options.c	2008-12-12 19:28:35.000000000 -0700
+++ awffull-3.10.2/src/options.c	2009-07-31 12:09:53.000000000 -0600
@@ -392,6 +392,7 @@
 
     g_settings.settings.index_months = MAXHISTLEN;
     g_settings.settings.mangle_agent = 0;
+    g_settings.settings.mangle_referrer = 0;
     g_settings.settings.visit_timeout = 1800;
     g_settings.settings.log_type = LOG_AUTO;
     g_settings.settings.group_domains = 0;
@@ -512,6 +513,7 @@
         VPRINT(0, "g_settings.dump.dump_ext: %s\n", g_settings.dump.dump_ext);
 
         VPRINT(0, "g_settings.settings.mangle_agent: %u\n", g_settings.settings.mangle_agent);
+        VPRINT(0, "g_settings.settings.mangle_referrer: %u\n", g_settings.settings.mangle_referrer);
         VPRINT(0, "g_settings.settings.visit_timeout: %u\n", g_settings.settings.visit_timeout);
         VPRINT(0, "g_settings.settings.log_type: %u\n", g_settings.settings.log_type);
         VPRINT(0, "g_settings.settings.group_domains: %u\n", g_settings.settings.group_domains);