diff -up ./etc/ypserv.conf.slp-warning ./etc/ypserv.conf

--- ./etc/ypserv.conf.slp-warning	2006-10-12 13:03:32.000000000 +0200

+++ ./etc/ypserv.conf	2013-05-06 18:32:16.581509617 +0200

@@ -13,9 +13,9 @@

 # Should we register ypserv with SLP? Only available if SLP support

 # is compiled in. Deprecated functionality.

-slp: no

+# slp: no

 # After how many seconds we should re-register ypserv with SLP?

-slp_timeout: 3600

+# slp_timeout: 3600

 # xfr requests are only allowed from ports < 1024

 xfr_check_port: yes