em0 hijacking traffic to port 623

Jack Vogel jfvogel at gmail.com
Tue May 22 16:38:30 UTC 2007


On 5/22/07, Dag-Erling Smørgrav <des at des.no> wrote:
> Ian FREISLICH <ianf at clue.co.za> writes:
> > No, it's a March 6 current.  How safe is it to just update the
> > sys/dev/em directory and recompile?  Quite a lot has changed in
> > CURRENT since then and I don't want to update everything on these
> > servers just yet.
>
> Quick workaround: configure inetd to listen to port 623 so rpcbind
> won't assign these ports to the NFS server.  Something like this:
>
> asf-rmcp dgram  udp     nowait  root    /bin/false              false
> asf-rmcp stream tcp     nowait  root    /bin/false              false

You dont have to do anything this crude btw, there is an setting
in rc.conf I believe to control the range, I'm rusty on the details
right now, I discovered this while working this same issue with
Yahoo, but its been 6 months or more since.

Jack


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