HELP! Mysterious socket 843/tcp listening on CURRENT system

[O. Hartmann]

On Tue, 15 Sep 2015 00:13:33 -0700
Xin Li <delphij at delphij.net> wrote:

> 
> 
> On 9/15/15 00:06, O. Hartmann wrote:
> > Hopefully, I'm right on this list. if not, please forward.
> > 
> > Running CURRENT as of  FreeBSD 11.0-CURRENT #3 r287780: Mon Sep 14 13:34:16
> > CEST 2015 amd64, I check via nmap for open sockets since I had trouble
> > protecting a server with IPFW and NAT.
> > 
> > I see a service (nmap)
> > 
> > Host is up (0.041s latency).
> > Not shown: 998 filtered ports
> > PORT     STATE SERVICE
> > 843/tcp  open  unknown
> > 
> > and via sockstat -l -p 843, I get this:
> > ?        ?          ?     ?  tcp4   *:843                *:*
> 
> Sounds like there is a kernel listener, wild guess -- what does rpcinfo
> -p say?
> 
> Cheers,
> 

... lost contact to system, will reply as soon as I gain access ...