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    SubjectRe: UDP binding
    This is correct behaviour for Samba. It's not a security issue, since Samba isn't listening in any useable sense to interfaces other than those you request. You'll get 'connection refused' if you try to contact another interface.

    Nik


    >>> Pedro Corte-Real <typo@netcabo.pt> 10/22/01 02:23PM >>>
    > -----BEGIN PGP SIGNED MESSAGE-----
    > Hash: SHA1

    > I am running samba on a machine with 2 outside interfaces. I want samba to
    > listen only to one of them so I put these lines on smb.conf:

    > bind interfaces only = True
    > interfaces = 192.168.1.1 127.0.0.1

    > These setings produce this in netstat -a:

    > (...)
    > udp 0 0 192.168.1.1:138 0.0.0.0:*
    > udp 0 0 192.168.1.1:137 0.0.0.0:*
    > udp 0 0 0.0.0.0:138 0.0.0.0:*
    > udp 0 0 0.0.0.0:137 0.0.0.0:*
    > (...)

    > I was told this was because nmbd uses broadcast packets to do it's work and
    > for it to listen to broadcast packages it must listen to 0.0.0.0. Is this
    > true. Can't it bind to 192.168.1.0 instead?

    > How does linux's interface binding API work? Is this really necessary?

    > Greetings from Portugal,

    > Pedro.


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