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only 8 fixed IP's but 42 physical servers (routing with iptables)



Hello,

I have a client with a SDSL 3.5 Mbit <nerim.net> and only 8 fixed IP's.  

                                 +---+
  ISP              12port        |D R|
nerim.net---SDSL---SWITCH---NIC1-|E O|-NIC2-192.168.0.0/255.255.255.192
                    |||          |B U|-NIC3-192.168.0.64/255.255.255.192
    Courier 1 _____/ ||          |I T|-NIC4-192.168.0.128/255.255.255.192
    Courier 2 ______/ |          |A E|-NIC5-192.168.0.192/255.255.255.192
    Apache-SSL ______/           |N R|
                                 +---+

The two physical mailservers (courier) have already there own IP-Address
and the same for the Apache-SSL.  the other 5 IP's are associated to the
5 NIC's.  Now we are running into a problem with the 4 independant
networks where the 38 other servers are in.

dns1    is 192.168.0.2

The internal network is working perfectly and I can access ALL servers
and workstations.

Now I have tried to "ipmask" the four subnets to each one fixed IP but
it seems not to work (from inside, speak, no workstation get an internet
connection)

And then, I need to access the subnet servers (Apache, ProFTPd, WebDAV,
PostgreSQL) from the Internet through domain names but I have lost my
working config examples (was realy complex) which I have gotten from
someone from this list 2-3 years ago...

Can anyone help me to get it running again?

And how about puting the two Courier plus Apache-SSL behind a 6th NIC
in the router and not exposing the three servers to the internet
directly?

Thanks, Greetings and nice Day
    Michelle Konzack


-- 
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Michelle Konzack   Apt. 917                  ICQ #328449886
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