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OK, thank you, so let's go but it's a long message as I include some
of the config files I made :
At home, I have 3 computers and a laptop.
One is named "francois"
Second is "warren"
Third is "claudine"
and the laptop is "earlene"
I assigned the following IPs :
francois --> 192.168.131.1
warren --> 192.168.131.50
claudine --> 192.168.131.52
earlene --> 192.168.131.54
"francois" is the only one with an external modem and which has a
connection to the internet (I can call my ISP with the laptop too,
using a pcmcia card, but I use it when I 'm away only).
"francois" and "claudine" run linux, "warren" runs OS/2 and the laptop
depending of the way I boot, runs linux or Windows 98 (I use my laptop
with windows at my office only).
I don't have a Hub, so at home when I need to exchange datas between
computers I connect two computers together only. But soon, I will buy
a little hub.
Now what I want to do is the following (maybe I forgot something
;-():
- I want that at home each computers see each other and can
exchange datas.
- I want to be able to call my ISP using "francois' modem", when I use
"francois" (that's logical ;-) ) but even if I use "claudine", or
"warren" or "earlene". So maybe this has to do something with what
people name "masquerading" ?
- I want "francois" to act as a DNS server for my local lan (my domain
name is "celtes.com")
- I want "francois" to deliver mail (local mail, but also the one
coming from the internet), to all computers, and of course I want
computers to exchange mail together.
- I want to be able to call my ISP using "warren" (the laptop) when
I'm not at home with its modem pcmcia card.
- I want to be able to use "warren" (the laptop) at my office, and be
able to call my ISP using it, but also to connect it (my laptop), to
our office's network. (it's a windows NT 4 network). The problem is
that at my office, I must use another IP address. I guess we do not
have DHCP at my office, but I don't remember the IP they assigned to
me (let's say it could be something like 202.0.0.21).
The domain name for my ISP is "free.fr"
Their DNS are : 212.27.32.5 and 212.27.32.6
During Redhat install on "francois", this is what I said :
( ) Configure using DHCP
(x) Activate on boot
IP Address : 192.168.131.1
Netmask: 255.255.255.0
Network: blank
Broadcast: blank
Hostname: francois.celtes.com
Gateway: blank
Primary DNS : 192.168.131.1
Secondary DNS : 212.27.32.5
Tertiary DNS : 212.27.32.6
I don't know what to put for the other computers.:-(
Now, this is what I did for the DNS server I want to set up (but I
know there are mistakes and not everything has been done) :
I made that on "francois" only, I did nothing at all on the other
computers
I changed the file /etc/named.conf that way :
// generated by named-bootconf.pl
options {
directory "/var/named";
/*
* If there is a firewall between you and nameservers you want
* to talk to, you might need to uncomment the query-source
* directive below. Previous versions of BIND always asked
* questions using port 53, but BIND 8.1 uses an unprivileged
* port by default.
*/
// query-source address * port 53;
/*
* Francois Massonneau - I have added the following five lines
* Those two IP addresses are the primary and secondary IP
* addresses of my ISP.
*/
forward first;
forwarders {
212.27.32.5;
212.27.32.6;
};
};
//
// a caching only nameserver config
//
zone "." {
type hint;
file "named.ca";
};
zone "0.0.127.in-addr.arpa" {
type master;
file "named.local";
};
/*
* Francois Massonneau - Here I have to declare the zone for my
* my Domain. I have added the following five lines.
*/
zone "celtes.com" {
notify no;
type master;
file "celtes.com";
};
/*
* Francois Massonneau - Here I have to declare the zone for the
* reverse mapping. I have added the following five lines.
*/
zone "131.168.192.in-addr.arpa" {
notify no;
type master;
file "celtes.com.rev";
};
Then I changed the file /var/named/named.local :
@ IN SOA francois.celtes.com. root.francois.celtes.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
NS francois.celtes.com.
1 PTR localhost.
Then I created a file named /var/named/celtes.com
;
; Zone file for celtes.com
;
; The full zone file
;
@ IN SOA francois.celtes.com. root.francois.celtes.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
;
TXT "Computer francois on celtes.com - Serveur DNS Primaire"
NS 212.27.32.5.
NS 212.27.32.6.
NS francois.celtes.com.
MX 10 mail.free.fr.
MX 20 francois.celtes.com.
localhost A 127.0.0.1
francois A 192.168.131.1
www CNAME francois
smtp CNAME francois
pop CNAME francois
news CNAME francois
warren A 192.168.131.50
MX 10 mail.free.fr.
MX 20 francois.celtes.com.
HINFO "586" "OS/2"
claudine A 192.168.131.52
MX 10 mail.free.fr.
MX 20 francois.celtes.com.
HINFO "PIII" "Linux"
earlene A 192.168.131.54
MX 10 mail.free.fr.
MX 20 francois.celtes.com.
HINFO "PIII" "WIN/NT"
And I created a file named /var/named/celtes.com.rev :
@ IN SOA francois.celtes.com. root.francois.celtes.com. (
1997022700 ; Serial
28800 ; Refresh
14400 ; Retry
3600000 ; Expire
86400 ) ; Minimum
IN NS francois.celtes.com.
1 IN PTR francois.celtes.com.
50 IN PTR warren.celtes.com.
52 IN PTR claudine.celtes.com.
54 IN PTR earlene.celtes.com.
Finally, this is what my /etc/resolv.conf looks like :
search celtes.com
nameserver 192.168.131.1
nameserver 212.27.32.5
nameserver 212.27.32.6
But this is not completed ;-( and I did nothing about masquerading,
about the fact that I want my laptop to be able to see my local lan,
but my office network too, etc...
Francois
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