Protocol names are x-slam and x-tftm

src/proto/slam.c

 }
 
 static struct protocol slam_protocol __protocol = {
-	"slam", url_slam
+	"x-slam", url_slam
 };

src/proto/tftm.c

 }
 
 static struct protocol tftm_protocol __protocol = {
-	"tftm", url_tftm
+	"x-tftm", url_tftm
 };