diff -r ff311b63c3af -r 55298bc9ed28 src/server/daemon/httprequest.c
--- a/src/server/daemon/httprequest.c	Fri Dec 30 14:15:52 2016 +0100
+++ b/src/server/daemon/httprequest.c	Fri Dec 30 18:47:26 2016 +0100
@@ -799,7 +799,7 @@
                                 rq->rq.srvhdrs);
                     }
                     // compare types
-                    if(strcmp(dtp, content_type) != 0) {
+                    if(!contenttype_match(sstr(dtp), sstr(content_type))) {
                         continue;
                     }
                 }
@@ -1060,7 +1060,10 @@
             return 1;
         }
     } else if(cmp[0] == 0) {
-        /* empty string */
+        // empty string
+        log_ereport(
+                LOG_WARN,
+                "Skipped service saf with empty method parameter");
         return 0;
     }
 
@@ -1085,6 +1088,43 @@
 }
 
 /*
+ * checks if the content type matches the cmp string
+ * the format of cmp is a single string with wildcards or a list
+ * of types (also with wildcard support)
+ * (type1|type2*)
+ */
+int contenttype_match(sstr_t cmp, sstr_t ctype) {
+    if(cmp.ptr[0] != '(') {
+        if(cmp.ptr[0] == '*') {
+            cmp.ptr++;
+            cmp.length--;
+            return sstrsuffix(ctype, cmp);
+        } else if(cmp.ptr[cmp.length-1] == '*') {
+            cmp.length--;
+            return sstrprefix(ctype, cmp);
+        } else {
+            return !sstrcmp(cmp, ctype);
+        }
+    } else if(cmp.ptr[0] == 0) {
+        log_ereport(LOG_WARN, "Skipped service saf with empty type parameter");
+        return 0;
+    }
+    
+    cmp = sstrsubsl(cmp, 1, cmp.length - 2);
+    
+    int begin = 0;
+    for(int i=0;i<cmp.length;i++) {
+        if(cmp.ptr[i] == '|') {
+            if(contenttype_match(sstrsubsl(cmp, begin, i-begin), ctype)) {
+                return 1;
+            }
+            begin = i + 1;
+        }
+    }
+    return contenttype_match(sstrsubs(cmp, begin), ctype);
+}
+
+/*
  * adds objects with specific name or path to the httpd_objset
  */
 int add_objects(