On Fri, 26 Jan 2007, Brian Candler wrote:
> > They are taking the position that it is upside down to require an
> > unprivileged source port. What are the issues?
>
> The code is here in /usr/src/usr.sbin/inetd/inetd.c:
>
> if (port < IPPORT_RESERVED || port == NFS_PORT)
>
> They are taking the position that it is upside down to require an
> unprivileged source port. What are the issues?
The code is here in /usr/src/usr.sbin/inetd/inetd.c:
if (port < IPPORT_RESERVED || port == NFS_PORT)
goto bad;
The only reason I can think of is to avoid
... On port 37 (time, UDP).
If timedc from a NetBSD host attempts clockdiff with an OpenBSD host
(same ethernet, no firewalling involved), sending from a privileged
port, OpenBSD (inetd, I presume) does not respond. If the UDP packet
originates from an unprivileged port (say 63,xxx or 19,xxx), t
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