Re: Help on in.telnetd and route
Thanks for your reply. It corrected my mistake :)
route -n returns immediately, and route returns after sevel seconds.
then how to make in.telnetd do not do a dns reverse lookup?
Regards
Liu Tao
On Friday 19 October 2001 13:08, Anthony J. Breeds-Taurima wrote:
> On Fri, 19 Oct 2001, Liu Tao wrote:
> > I am in a local net and I have a default gateway to visit internet.
> > And I want to provide telnet service to local net.
> > But there is something wrong with the gateway(win2k),
> > it returns the route information very slow.
> >
> > My route looks like
> > Kernel IP routing table
> > Destination Gateway Genmask Flags Metric Ref Use
> > Iface localnet * 255.255.255.0 U 0 0
> > 0 eth0 default 192.168.0.1 0.0.0.0 UG 0 0
> > 0 eth0
> >
> > Sometimes it cost several seconds to complete the "route" program.
> > And it seems that in.telnetd will wait the route information.
> > So, the gw affects my telnet service. when telnet to me, login prompt
> > will appear after waiting sevel seconds. If I do not set the default
> > route, telnet will show login promp immediately.
> >
> > How to solve the problem, except fix the gateway?
>
> Try:
> time route -n >/dev/null
> time route >/dev/null
>
> If the first is fater than the second then the issue is NOT with the
> routeing it is a DNS lookup issue. It just means the your DNS server isn't
> providing reverse mappings for your private IP's
>
> Yours Tony.
>
> /*
> * "The significant problems we face cannot be solved at the
> * same level of thinking we were at when we created them."
> * --Albert Einstein
> */
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