Share internet connection/make a small server

[Antonio Olivares]

--- Antonio Olivares <olivares14031 at yahoo.com> wrote:

> 
> 
> --- Jeff Vian <jvian10 at charter.net> wrote:
> 
> > On Thu, 2005-09-01 at 04:53 -0700, Antonio
> Olivares
> > wrote:
> > > 
> > > --- Jeff Vian <jvian10 at charter.net> wrote:
> > > 
> > > > On Wed, 2005-08-31 at 17:16 -0700, Antonio
> > Olivares
> > > > wrote:
> > > > > 
> > > > > --- Jeff Vian <jvian10 at charter.net> wrote:
> > > > > 
> > > > > > On Wed, 2005-08-31 at 12:20 -0700, Antonio
> > > > Olivares
> > > > > > wrote:
> > > > > > > 
> > > > > > > --- Antonio Olivares
> > <olivares14031 at yahoo.com>
> > > > > > wrote:
> > > > > > > 
> > > > > > > 
> > > *nat
> > > :PREROUTING ACCEPT [759:76421]
> > > :POSTROUTING ACCEPT [4:288]
> > > :OUTPUT ACCEPT [394:23805]
> > > -A POSTROUTING -o eth1 -j MASQUERADE
> > > -A POSTROUTING -o eth0 -j MASQUERADE
> > > -A POSTROUTING -o eth1 -j MASQUERADE
> > > -A POSTROUTING -o eth0 -j MASQUERADE
> > > -A POSTROUTING -o eth1 -j MASQUERADE
> > > -A POSTROUTING -o eth1 -j MASQUERADE
> > > COMMIT
> > > # Completed on Wed Aug 31 07:52:24 2005
> > > [root at rio ~]# cat /proc/sys/net/ipv4/ip_forward
> > > 1
> > > [root at rio ~]#  
> > > 
> > > Thanks for all your help and suggestions.  It
> will
> > > work.  It is just a matter of finding where
> things
> > are
> > > stopping.
> > > 
> > > Best Regards,
> > > 
> > > Antonio   
> > > 
> > 
> > Attached is a basic script for a firewall/router
> > like you are using.
> > 
> > Simply put it somewhere on the linux box, make it
> > executable, then as
> > root run it.
> > 
> > After running this script, rerun "service iptables
> > save" to save the
> > rules so they load automatically when you reboot.
> > 
> > It should load all the rules you need for a
> dynamic
> > external address on
> > eth0, a fixed internal address on eth1,  and DNS
> on
> > the external
> > network.
> > 
> > To test that it works, simply retry (from the
> > windows box) the ping
> > commands I gave earlier, and even try a ping to
> > www.yahoo.com.
> > If they all work then you should be all set.
> > 
> > This was generated using fwbuilder which is
> readily
> > available on the net
> > from  www.fwbuilder.org or on sourceforge.
> > 
> > HTH
> > Jeff
> > 
> 
> Now, I cannot access the local network and the
> internet from the machine.  The eth0 device was
> assigned an IP according to its MAC address and now
> it
> does not work, it says that it is active.  When I
> shut
> down the machine it gave me some weird message which
> I
> do not know how to get since I am sending this email
> from the other machine which has internet access in
> my
> classroom.  
> Is there a way to solve this issue?
> 
> TIA
> 
> Antonio
> 
> 
> 		
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I used a floppy to access dmesg and ipconfig -a so you
could see the weird messages I get.

TIA

Antonio

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