[CentOS] CentOS 6 and NIS not working

Martyn Klassen wrote:
> With a bit more digging it seems that the rpc registration is somehow
> failing.
>
> #rpcinfo -p | grep ypbind
>
> Returns nothing, but it should return something like
>
>     100007    2   udp    620  ypbind
>     100007    1   udp    620  ypbind
>     100007    2   tcp    623  ypbind
>     100007    1   tcp    623  ypbind
>
> This even though the ypbind process is running.
<snip>
Have you checked iptables-save?

Also, you *do* know that everyone's been deprecating NIS for years, it
being extremely insecure?

        mark