Re: IP Forwarding works on local port but not a remote port

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В Птн, 05/02/2010 в 15:04 -0500, Dan Daugherty пишет:
> Forgot to mention I'm on a Redhat Enterprise Linux 5 box with the
> stock kernel.  Tried to compile my own and the build fails
> immediately.  I assumed that since I can route requests locally, the
> kernel was compiled properly for iptables.

To do what you are trying to do iptables are not enough.

> On Fri, Feb 5, 2010 at 3:01 PM, Dan Daugherty <rescue@xxxxxxxxxxxxxx> wrote:
> >> Are you using /16 netmask?
> > No, I just took the 10.117 part off the ip's to shorten the message.
> >>
> >>
> >> None of them got SNATed. Why? Should they go out through eth0? Try to
> >> remove "-o eth0".
> > Removed it and no change
> >>
> >> Also do you have ip.forwarding enabled (sysctl -a | grep forward")?
> > net.ipv6.conf.eth0.forwarding = 0
> > net.ipv6.conf.default.forwarding = 0
> > net.ipv6.conf.all.forwarding = 0
> > net.ipv6.conf.lo.forwarding = 0
> > net.ipv4.conf.eth0.mc_forwarding = 0
> > net.ipv4.conf.eth0.forwarding = 1
> > net.ipv4.conf.lo.mc_forwarding = 0
> > net.ipv4.conf.lo.forwarding = 1
> > net.ipv4.conf.default.mc_forwarding = 0
> > net.ipv4.conf.default.forwarding = 1
> > net.ipv4.conf.all.mc_forwarding = 0
> > net.ipv4.conf.all.forwarding = 1
> >
> >>
> >> Can you reach 10.117.1.205:1521 from sethra (telnet 10.117.1.205 1521)?
> >>
> > Negative, but the command from sethra fails immediately with nothing
> > showing in the logs
> >
> > There has also been mention of a FORWARD chain being necessary.  I
> > haven't done anything outside of the commands listed in this thread.
> >
-- 
Покотиленко Костик <casper@xxxxxxxxxxxx>

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