Re: [Samba] Any pointers for multiple subnets?

2007-04-12 Thread Mark Adams
On Thu, Apr 12, 2007 at 11:58:48AM +0530, Nandan Bhat wrote:
> Hi Mark,
> 
Hi Nandan,

> Thanks for the link; I'll try it out and let you know how it goes.
> 
> As for my LANs, my situation is this:
> * my linux machines are on both LANs
> * both linux machines are part of the 192.168.1.0/24 workgroup and 
> appear under the workgroup when viewed from Windows clients in 
> 192.168.1.0/24
> ** under 192.168.1.0/24, all windows clients are able to browse the two 
> linux boxes and machines under 192.168.1.0/24 but not machines under 
> 192.168.0.0/24
> * both linux machines appear under a workgroup when viewed from Windows 
> clients in 192.168.0.0/24 (and are browseable).
> ** under 192.168.0.0/24, all windows clients are able to browse the two 
> linux boxes and machines under 192.168.0.0/24 but not machines under 
> 192.168.1.0/24
>

It sounds like Samba is working as desired. To have netbios work for the
windows machines across the subnets I believe you will have to have the
WINS server as detailed in that old (2005) link I posted. I have never
set this up personally so can not help you on that any further.

Personally, I would instead use DNS. do you have a DNS server on one of
the linux boxes (such as dnsmasq?) if you set up dns and DHCP from the
linux box, then your windows clients will most likely browse across fine
as long as they are getting their dhcp lease from this box (make sure
you turn off any adsl/firewall/router dhcp setup).

Regards,
Mark

> I'll try out the suggestions in the link and let you know how it goes. 
> BTW, I am guessing only one of my linux machines needs to be the local 
> master; the other may be a domain master (but need not be). Correct me 
> if I'm wrong on that concept.
> 
> Thanks,
> 
> Nandan
> 
> 
> Mark Adams wrote:
> >Hi Nathan
> >
> >  
> >>Thanks for your interest. In reply to your question, the answer is
> >>yes. Both the linux machines are on both the LANs. Both are browseable
> >>from Windows clients in both networks by \\netbiosname and \\ipaddress
> >>
> >
> >To confirm, You can connect across these subnets with netbios or ip, but
> >only browsing through "My Network Places" does not work? and the only
> >shares you are trying to browse for are the samba shares on your linux
> >box? if not do the windows based shares show?
> >
> >Have you set the workgroup in the samba config? or are you choosing
> >'View Entire Network' when browsing through My network places?
> >
> >  
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Re: [Samba] Any pointers for multiple subnets?

2007-04-11 Thread Mark Adams
Hi Nathan

> 
> Thanks for your interest. In reply to your question, the answer is
> yes. Both the linux machines are on both the LANs. Both are browseable
> from Windows clients in both networks by \\netbiosname and \\ipaddress

To confirm, You can connect across these subnets with netbios or ip, but
only browsing through "My Network Places" does not work? and the only
shares you are trying to browse for are the samba shares on your linux
box? if not do the windows based shares show?

Have you set the workgroup in the samba config? or are you choosing
'View Entire Network' when browsing through My network places?

> .
> 
> My intent is to have a client from 192.168.1.0/24 to browse
> 192.168.1.0/24 windows network (and vice versa) using my linux box as
> gateway. Is this possible?

This might interest you, I'm not sure how old it is.

http://brneurosci.org/linuxsetup38.html

> I'm also not sure if this is an iptables problem or a samba problem.
> 
> Thanks,
> 
> Nandan

Regards,
Mark

> 
> 
> On 4/11/07, Mark Adams <[EMAIL PROTECTED]> wrote:
> >> With this setup, some things work as desired. I am able to connect to
> >> 192.168.0.10 (Email server) from 192.168.1.5 after setting my linux box
> >> as the gateway. Vice versa, I am able to connect to 192.168.1.6 (Email
> >> server) from 192.168.0.2 by setting 192.168.0.177 (my linux box's IP on
> >> outside LAN).
> >>
> >> I am beginning to think so far so good. But, Windows networking does
> >> not follow suit. I am not able to browse the network when these settings
> >> are active.
> >>
> >> What gives? My guess is I will be castigated for rushing with an email
> >> before reading the Archives.
> >>
> >> But hope springs eternal. Regards,
> >>
> >> Nandan
> >
> >Can you browse to \\ip.of.samba.box and see the shares?
> >
> >>
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> >> instructions:  https://lists.samba.org/mailman/listinfo/samba
> >
> 
> 
> -- 
> Nandan Bhat
> 403 Kasturi Towers
> L.B.S. Marg, Naupada,
> Thane 400601 INDIA
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Re: [Samba] Any pointers for multiple subnets?

2007-04-11 Thread Mark Adams
> With this setup, some things work as desired. I am able to connect to 
> 192.168.0.10 (Email server) from 192.168.1.5 after setting my linux box 
> as the gateway. Vice versa, I am able to connect to 192.168.1.6 (Email 
> server) from 192.168.0.2 by setting 192.168.0.177 (my linux box's IP on 
> outside LAN).
> 
> I am beginning to think so far so good. But, Windows networking does  
> not follow suit. I am not able to browse the network when these settings 
> are active.
> 
> What gives? My guess is I will be castigated for rushing with an email 
> before reading the Archives.
> 
> But hope springs eternal. Regards,
> 
> Nandan

Can you browse to \\ip.of.samba.box and see the shares?

> 
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[Samba] Any pointers for multiple subnets?

2007-04-11 Thread Nandan Bhat

Hi,

I am trying to have some routing done between two subnets. One is 
192.168.1.0/24 and has my LAN computers running a mix of Windows 98/XP 
clients. There are two linux machines on this network running Samba. 
Another is 192.168.0.0/24 and has the other LAN. Only my linux machines 
have two NICs, one for each LAN.


I am trying out one of these linux machines to be the gateway for both 
the LANs. My routing table is as follows


Kernel IP routing table
Destination Gateway Genmask Flags Metric RefUse 
Iface

192.168.1.0 0.0.0.0 255.255.255.0   U 0  00 eth0
192.168.0.0 0.0.0.0 255.255.255.0   U 0  00 eth1
169.254.0.0 0.0.0.0 255.255.0.0 U 0  00 eth1
0.0.0.0 192.168.1.1 0.0.0.0 UG0  00 eth0

At present, I am testing my system, so I have adopted a VERY liberal 
iptables ruleset.  It has the following entries


#! /bin/sh
#
# definitions
IPTABLES=/sbin/iptables
DEPMOD=/sbin/depmod
MODPROBE=/sbin/modprobe
EXTIF="eth1"
INTIF="eth0"
UNIVERSE=0.0.0.0/0
#
# Load modules
$DEPMOD -a
$MODPROBE ip_tables
$MODPROBE ip_conntrack
$MODPROBE ip_conntrack_ftp
$MODPROBE ip_conntrack_irc
$MODPROBE iptable_nat
$MODPROBE ip_nat_ftp
$MODPROBE ip_nat_irc
#
# Enable IP forwarding
echo "1" > /proc/sys/net/ipv4/ip_forward
#
# Begin iptables rules
$IPTABLES -P INPUT ACCEPT
$IPTABLES -F INPUT
$IPTABLES -P OUTPUT ACCEPT
$IPTABLES -F OUTPUT
$IPTABLES -P FORWARD ACCEPT
$IPTABLES -F FORWARD
$IPTABLES -t nat -F
#$IPTABLES -A INPUT -j ACCEPT
#$IPTABLES -A OUTPUT -j ACCEPT
#$IPTABLES -A FORWARD -i $EXTIF -o $INTIF -j ACCEPT
#$IPTABLES -A FORWARD -i $INTIF -o $EXTIF -j ACCEPT
#$IPTABLES -A FORWARD -j LOG
$IPTABLES -t nat -A POSTROUTING -o $EXTIF -j MASQUERADE
$IPTABLES -t nat -A POSTROUTING -o $INTIF -j MASQUERADE

With this setup, some things work as desired. I am able to connect to 
192.168.0.10 (Email server) from 192.168.1.5 after setting my linux box 
as the gateway. Vice versa, I am able to connect to 192.168.1.6 (Email 
server) from 192.168.0.2 by setting 192.168.0.177 (my linux box's IP on 
outside LAN).


I am beginning to think so far so good. But, Windows networking does  
not follow suit. I am not able to browse the network when these settings 
are active.


What gives? My guess is I will be castigated for rushing with an email 
before reading the Archives.


But hope springs eternal. Regards,

Nandan

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