diff --git a/apps/restconf/clixon_http_data.c b/apps/restconf/clixon_http_data.c
index 2aef39b1..4a203e7f 100644
--- a/apps/restconf/clixon_http_data.c
+++ b/apps/restconf/clixon_http_data.c
@@ -288,7 +288,7 @@ api_http_data_file(clicon_handle h,
     char       *suffix;
     char       *media;
     int         ret;
-    char       *str = NULL;
+    char       *buf = NULL;
     size_t      sz;
 
     clicon_debug(1, "%s", __FUNCTION__);    
@@ -347,11 +347,11 @@ api_http_data_file(clicon_handle h,
     /* Unoptimized, no direct read but requires an extra copy,
      * the cligen buf API should have some mechanism for this case without the extra copy.
      */
-    if ((str = malloc(fsize + 1)) == NULL){
+    if ((buf = malloc(fsize)) == NULL){
 	clicon_err(OE_UNIX, errno, "malloc");
 	goto done;
     }
-    if ((sz = fread(str, fsize, 1, f)) < 0){
+    if ((sz = fread(buf, fsize, 1, f)) < 0){
 	clicon_err(OE_UNIX, errno, "fread");
 	goto done;
     }
@@ -361,8 +361,7 @@ api_http_data_file(clicon_handle h,
 	    goto done;
 	goto ok;
     }
-    str[fsize] = 0;
-    if (cbuf_append_str(cbdata, str) < 0){
+    if (cbuf_append_buf(cbdata, buf, fsize) < 0){
 	clicon_err(OE_UNIX, errno, "cbuf_append_str");
 	goto done;
     }
@@ -375,8 +374,8 @@ api_http_data_file(clicon_handle h,
  ok:
     retval = 0;
  done:
-    if (str)
-	free(str);
+    if (buf)
+	free(buf);
     if (f)
 	fclose(f);
     if (cbfile)
diff --git a/apps/restconf/restconf_api_native.c b/apps/restconf/restconf_api_native.c
index 4bbd800b..4d26fa7c 100644
--- a/apps/restconf/restconf_api_native.c
+++ b/apps/restconf/restconf_api_native.c
@@ -145,7 +145,6 @@ restconf_reply_send(void  *req0,
     sd->sd_code = code;
     if (cb != NULL){
 	if (cbuf_len(cb)){
-	    cprintf(cb, "\r\n");
 	    sd->sd_body_len = cbuf_len(cb); 
 	    if (head){
 		cbuf_free(cb);
diff --git a/apps/restconf/restconf_http1.c b/apps/restconf/restconf_http1.c
index ae01df35..6a73307f 100644
--- a/apps/restconf/restconf_http1.c
+++ b/apps/restconf/restconf_http1.c
@@ -329,7 +329,10 @@ restconf_http1_reply(restconf_conn        *rc,
     cprintf(sd->sd_outp_buf, "\r\n");
     /* Write a body */
     if (sd->sd_body){
-	cbuf_append_str(sd->sd_outp_buf, cbuf_get(sd->sd_body));
+	if (cbuf_append_buf(sd->sd_outp_buf, cbuf_get(sd->sd_body), cbuf_len(sd->sd_body)) < 0){
+	    clicon_err(OE_RESTCONF, errno, "cbuf_append_buf");
+	    goto done;
+	}
     }
     retval = 0;
  done:
diff --git a/test/clixon.png b/test/clixon.png
new file mode 100644
index 00000000..a06ddb42
Binary files /dev/null and b/test/clixon.png differ
diff --git a/test/test_http_data.sh b/test/test_http_data.sh
index 7e766fda..699c3f1d 100755
--- a/test/test_http_data.sh
+++ b/test/test_http_data.sh
@@ -116,6 +116,9 @@ EOF
 # remove read access
 chmod 660 $dir/www/data/noread.html
 
+# bitmap
+cp ./clixon.png  $dir/www/data/
+
 # Http test routine with arguments:
 # 1. proto:http/https
 function testrun()
@@ -221,6 +224,15 @@ EOF
 	new "WWW options"
 	expectpart "$(curl $CURLOPTS -X OPTIONS $proto://localhost/data/index.html)" 0 "HTTP/$HVER 200" "allow: OPTIONS,HEAD,GET" 
 
+	# Remove -i option for binary transfer
+	CURLOPTS2=$(echo $CURLOPTS | sed 's/i//')
+	new "WWW binary bitmap"
+	curl $CURLOPTS2 -X GET $proto://localhost/data/clixon.png -o $dir/foo.png
+	cmp $dir/foo.png $dir/www/data/clixon.png
+	if [ $? -ne 0 ]; then
+	    err1 "$dir/foo.png $dir/www/data/example.css should be equal" "Not equal"
+	fi
+
 	# negative errors
 	new "WWW get http not found"
 	expectpart "$(curl $CURLOPTS -X GET -H 'Accept: text/html' $proto://localhost/data/notfound.html)" 0 "HTTP/$HVER 404" "Content-Type: text/html" "<title>404 Not Found</title>"
@@ -254,7 +266,7 @@ EOF
 	expectpart "$(curl $CURLOPTS -X POST -H 'Accept: text/html' -H "Content-Type: application/yang-data+json" -d '{"ietf-interfaces:interfaces":{"interface":{"name":"eth/0/0","type":"clixon-example:eth","enabled":true}}}' $proto://localhost/data/notfound.html)" 0 "HTTP/$HVER 405" "Content-Type: text/html" "<title>405 Method Not Allowed</title>"
 
     fi 
-    
+
     if [ $RC -ne 0 ]; then
 	new "Kill restconf daemon"
 	stop_restconf
diff --git a/test/test_perf_restconf.sh b/test/test_perf_restconf.sh
index 50f1fa41..2dc2a9b8 100755
--- a/test/test_perf_restconf.sh
+++ b/test/test_perf_restconf.sh
@@ -144,11 +144,12 @@ if [ $r -ne 0 ]; then
     err1 "retval 0" $r
 fi
 
+# XXX ftest har \n
 # Only compare relevant data line
 echo -n "<data>">> $ftest
 cat $fdataxml >> $ftest
-echo "</data>
" >> $ftest
-# -i dont always work properly
+echo -n "</data>" >> $ftest
+# -i (ignore case) dont always work properly
 sed '/<data>/!d' $foutput > $foutput2
 mv $foutput2 $foutput
 
diff --git a/test/test_perf_restconf_ssl.sh b/test/test_perf_restconf_ssl.sh
index 94ab0a21..fb49e0f4 100755
--- a/test/test_perf_restconf_ssl.sh
+++ b/test/test_perf_restconf_ssl.sh
@@ -163,7 +163,8 @@ fi
 # Only compare relevant data line
 echo -n "<data>">> $ftest
 cat $fdataxml >> $ftest
-echo "</data>
" >> $ftest
+#echo "</data>
" >> $ftest
+echo -n "</data>" >> $ftest
 sed '/<data>/!d' $foutput > $foutput2
 mv $foutput2 $foutput