Re: Problem behind my DMZ

["Martin Leduc" <marled3@hotmail.com>]

> > Good evening folks,
> >
> > Sorry to answer you so late, and thank you for your informations.  I'm 
>so
> > exited, I have make test and, basicly, it's working.  Tomorow is the
> > official test.  I keep you informed.
> >
> > The only thing I can't figure out is the /32 netmask address for an 
>address
> > having a /28.  Why dont put the /28?
> >
> > Of course I try it but the route program have reject this entries.  Can 
>you
> > explain to me?
> >
> > Other thing.  It is possible than I can't reach other machine placed 
>before
> > the firewall BOX having address IP in the same range than my firewall 
>box
> > after having put the /32 host in my route table?
> >
> > Example:
> > 192.168.1.1  ISP GAteway
> > 192.168.1.2  Server (Any kind)
> > 192.168.1.3  Firewall BOX (Eth0)
> > 192.168.1.3  Firewall BOX (eth1)
> > 192.168.1.4  Server Behind Firewall BOX
> >
> > Ping Test result
> > ---------------------------
> > 192.168.1.4 can reach 192.168.1.3
> > 192.168.1.4 can reach 192.168.1.1
> > 192.168.1.4 can't reach 192.168.1.2
> >
> > In the same test
> >
> > 192.168.1.2 can reach 192.168.1.1
> > But not 1.3 and 1.4
> >
> > I ask that because if I check my DSL route table, I see the same
> > configuration like
> >
> > Destination     Gateway         Genmask         Flags Metric Ref    Use
> > Iface
> > 67.68.140.1     0.0.0.0         255.255.255.255 UH    0      0        0 
>ppp0
> > 192.168.1.1   0.0.0.0         255.255.255.0   U     0      0        0 
>eth0
> > 127.0.0.0       0.0.0.0         255.0.0.0       U     0      0        0 
>lo
> > 0.0.0.0         67.68.140.1     0.0.0.0         UG    0      0        0 
>ppp0
> >
> > I can ping 67.68.140.1, .2, .3, .4, .5, etc....
> >
> > Can you explain?
>
>Is your IP forwarding turned on?

Yes, it is.  Can you explain to me why /32 against /28 netmask, or tell me 
where I can get the documentation?

>
> >
> >
> > Now the configuration :D
>
>Please use the "ip" utility instead of ifconfig/route/arp/... It's much 
>easier
>and more powerful...

Ok I will tried, but is not installed by default with slackware.  I will 
search where I can get it.

>
>Ramin

Regards and thanks in advance

Martin

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