How does one configure ipfilter for Samba?

How does one configure ipfilter for Samba?

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Subject Author Date
How does one configure ipfilter for Samba? Dave 02-27-2008
Posted by Dave on February 27, 2008, 4:01 am
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I've a Sun running Solaris 10 which has some samba shares. These work
fine if there is no firewall running on the Sun, but stop when I enable
my firewall, which uses ipfilter.

I have the following 3 rules which I thought would allow this to work as
they should allow both tcp and udp traffic on ports 135 to 138 (I think
so anyway!). But it does not work.


# Allow Samba connections
pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
port 135><139 keep state
pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
port 135><139 keep state



192.168.0.9 is the IP address of the Sun which serves the Samba shares.

I wish to be able to access the shares from anywhere on the 192.168.0.x
network.

Posted by =?ISO-8859-1?Q?Argo_S=F5=F5ru? on February 28, 2008, 5:50 am
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Dave wrote:
> # Allow Samba connections
> pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
> port 135><139 keep state
> pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
> port 135><139 keep state
Samba uses the following ports: 135/TCP, 137/UDP, 138/UDP, 139/TCP and
445/TCP

Posted by Dave on February 28, 2008, 10:37 am
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Argo Sõõru wrote:
> Dave wrote:
>> # Allow Samba connections
>> pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
>> port 135><139 keep state
>> pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
>> port 135><139 keep state
> Samba uses the following ports: 135/TCP, 137/UDP, 138/UDP, 139/TCP and
> 445/TCP


Thank you for that. I'd not openend 445 at all, which probably explains
why it does not work for me.

That should be easy to fix.

Posted by Dave on February 28, 2008, 1:50 pm
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Argo Sõõru wrote:
> Dave wrote:
>> # Allow Samba connections
>> pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
>> port 135><139 keep state
>> pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
>> port 135><139 keep state
> Samba uses the following ports: 135/TCP, 137/UDP, 138/UDP, 139/TCP and
> 445/TCP
Thanks, after adding the following rules (and removing those I posted
earlier), Samba now works with ipfilter.

# Allow Samba connections
pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
port = 135 keep state
pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
port = 137 keep state
pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
port = 138 keep state
pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
port = 139 keep state
pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
port = 445 keep state

Posted by Wayne on February 28, 2008, 5:46 pm
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Argo SƵƵru wrote:
> Dave wrote:
>> # Allow Samba connections
>> pass in quick on eri0 proto udp from 192.168.0.0/24 to 192.168.0.9/32
>> port 135><139 keep state
>> pass in quick on eri0 proto tcp from 192.168.0.0/24 to 192.168.0.9/32
>> port 135><139 keep state
> Samba uses the following ports: 135/TCP, 137/UDP, 138/UDP, 139/TCP and
> 445/TCP

Do you really need 135/TCP? Microsoft uses that for many things including
Exchange mail, RPC, and WINS management. But I don't think Samba uses it?

-Wayne

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