smbclient using all interfaces

[Greg Dickie]

I believe that "bind interfaces only" causes nmbd to only on answer specified
interfaces, at least this is what I have observed.

Greg

On 16-Feb-99 Tim Winders wrote:
> Well.  I finally took the plunge and added a few static routes to my
> system so that traffic to that particular network was going out the
> "correct" interface.  When I did that and applied the filter on the router
> again, I was able to use smbclient without having any problems.
> 
> It would seem I have a network "issue" to iron out.  I am going to work on
> that.  But, I still have the burning question... what programs are
> affected by the interfaces line in the smb.conf file?  I think it is just
> smbd as nmbd seems to answer calls on any network interface reguardless of
> the interfaces line...
> 
> hmmm....
> 
> On Wed, 17 Feb 1999, Richard Sharpe wrote:
> 
>> Hi Tim,
>> 
>> I have started to delete context now:-)
>> 
>> At 12:59 AM 2/16/99 -0600, you wrote:
>> [Deletia]
>> >Here's the poop...  The relavant portion of ifconfig -a
>> >
>> >tu0:
>> >flags=2c63<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST,SIMPLEX,PFCOPYALL>
>> >     inet 206.76.16.68 netmask fffffff0 broadcast 206.76.16.79 ipmtu 1500
>> >
>> >elan0:
>> >flags=2c63<UP,BROADCAST,NOTRAILERS,RUNNING,MULTICAST,SIMPLEX,PFCOPYALL>
>> >     inet 206.76.17.2 netmask ffffff00 broadcast 206.76.17.255 ipmtu 1500
>> >     trustgrp unknown
>> 
>> OK, these look fine.
>> 
>> >I left off lo0, sl0 and elan1 - 3.  sl0 is not configured lo0 is just
>> >loopback and elan1 - 3 are the same as elan0, just with different ip
>> >addresses.  None of which are involved here...
>> >
>> >netstat -rn is much more interesting...
>> >
>> >Destination      Gateway            Flags     Refs     Use  Interface
>> >Netmasks:
>> >Inet             255.255.255.0
>> >Inet             255.255.255.240
>> >
>> >Route Tree for Protocol Family 2:
>> >default          206.76.16.65       UGS         5  7361098  tu0
>> >127.0.0.1        127.0.0.1          UH          1  7182479  lo0
>> >204.158.18/24    206.76.16.66       UGD         1    35782  tu0
>> >204.158.19/24    206.76.16.66       UGD         0    20332  tu0
>> >206.76.16.64/28  206.76.16.67       U           1 588296965  tu0
>> >206.76.17/24     206.76.17.2        U          31 20694064  elan0
>> >
>> >Again, I left off MANY other routes which just seem to confuse the issue.
>> >Obviously, the default route is out tu0, but I don't know *HOW* to
>> >set/change that.
>> 
>> Well there will be a default route somewhere in one of the config files,
>> but this all looks kosher actually. The default is only used if the
>> destination address does not match an interface of the routing tables.
>> 
>> So, if you send to something on 206.76.17.x, you should see it go out elan0.
>> 
>> What you might try is running tcpdump, eg:
>> 
>>    tcpdump -i elan0 -n # or which ever interface the one you want is on
>> 
>> and then ping the address you want to contact, and see which interface the
>> packets are actually going out of.
>> 
>> >I guess where I am confused is the interfaces and bind only directives in
>> >smb.conf.  Are those just for smbd and ignored otherwise?
>> >
>> >I will play some more in the morning.  I suspect, if I add the filter back
>> >into the router, everything will continue to work, but smbclient will not.
>> >That is a minor annoyance as I only use it for testing...
>> >
>> >=== Tim
>> 
>> 
>> Regards
>> -------
>> Richard Sharpe, sharpe at ns.aus.com, NIC-Handle:RJS96
>> NS Computer Software and Services P/L, 
>> Ph: +61-8-8281-0063, FAX: +61-8-8250-2080, 
>> Samba (Team member), Linux, Apache, Digital UNIX, AIX, C, ...
>> 
> 
> === Tim
> 
> ---------------------------------------------------------------------
>|  Tim Winders, CNE, MCSE     |  Email:  Tim.Winders at SPC.cc.tx.us   |
>|  Network Administrator      |  Phone:  806-894-9611 x 2369        |
>|  South Plains College       |  Fax:    806-897-4711               |
>|  Levelland, TX  79336       |                                     |
> ---------------------------------------------------------------------
> 

---------------------------------------------------------------------
Greg Dickie
Just A Guy*
*from discreet logic
Montreal 
(514) 954-7171
greg at discreet.com