[K12OSN] Window Clients can't get past the Linux Server

[David Whitmer]

On 9/12/07, jones yeates <jones_yeates at hotmail.com> wrote:
>
> I have a K12LTSP server up and running off of Fedora Core 5.  We are using
> a
> floppy disk to boot onto the Linux server, and it is working well.  We
> have
> Internet connection as long as the clients boot in Linux.
>
> When we take the floppy out, the clients boot up in Windows.  However, the
> clients can't get access out of the LAN.  The server (acting like a
> router)
> isn't letting the clients through.
>
> I've tried changing the /etc/sysctl.conf file's line for ip forwarding:
> net.ipv4.ip_forward = 1
> Then I typed:  /etc/init.d/net.eth0
> Everything started up fine.  Still no luck.
>
> I also have nat running and it seems to be working fine as well (as far as
> I
> can tell).
>
> There is a firewall, and I'd like to keep it on.  I noticed that someone
> else had the same problem and resolved it by turning the firewall off
> (https://www.redhat.com/archives/k12osn/2007-April/msg00012.html), which
> is
> something I'd rather not do. The trusted services are HTTP, HTTPS, FTP,
> and
> SMTP.
>
> I also saw something about
> chkconfig --level 345 transparent-proxing on
> at:  https://www.redhat.com/archives/k12osn/2007-August/msg00172.html
>
> I would try it out but I am not sure how to reset the settings back to
> what
> I originally had, just in case I mess something up or it doesn't work or
> understand the chkconfig --list | grep prox  output.
>
> Is there a way to fix this?  As you can tell, I'm new to Linux.


Try the following at a command prompt (as root):
service nat start

David Whitmer
Director of Media & Technology
Calvary Schools of Holland (Michigan)
web: www.calvaryschoolsholland.org
personal email: thewhitmers at gmail.com
school email:  david.whitmer at cshk12.org
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