ftpd: add comment

diff --git a/networking/ftpd.c b/networking/ftpd.c
index 404bc98c326364ca586664f0c3bdefa62a90bdaf..bdd7a2db4c1f6fa0e2c28ff58db8a20a04f799a0 100644 (file)
--- a/networking/ftpd.c
+++ b/networking/ftpd.c
@@ -1106,10 +1106,11 @@ int ftpd_main(int argc UNUSED_PARAM, char **argv)
                }
 #endif
                else {
-                       /* Which unsupported commands were seen in the wild
+                       /* Which unsupported commands were seen in the wild?
                         * (doesn't necessarily mean "we must support them")
                         * wget 1.11.4: SIZE - todo.
                         * lftp 3.6.3: MDTM - works fine without it anyway.
+                        * IPv6-style PASV: "EPSV 2"
                         */
                        cmdio_write(FTP_BADCMD, "Unknown command");
                }