[Samba] Port 7

Volker Lendecke Volker.Lendecke at SerNet.DE
Mon Sep 7 04:27:17 MDT 2009

On Mon, Sep 07, 2009 at 05:20:52AM -0500, Anthony Accurso wrote:
> I am running Samba 3.3.2 on Ubuntu 9.04 and /proc/version states "Linux
> version 2.6.28-15-server (buildd at yellow) (gcc version 4.3.3 (Ubuntu
> 4.3.3-5ubuntu4) ) #49-Ubuntu SMP Tue Aug 18 20:09:37 UTC 2009".  Recently,
> to support a new client on my home network (running Windows 7 RTM 32-bit), I
> modified my smb.conf file.  The Windows 7 client had refused to connect to
> Samba with an error stating "More data available."  Prompt Googling of this
> issue returned a workaround involving adding "smb ports = 139" to my config
> file.  Everything seemed to work fine since the change, except I noticed
> that Samba is now listening on TCP port 7.  This port is historically used
> by inetd or xinetd running an ECHO service.  I have confirmed that it is
> definitely Samba listening on port 7, and that Samba is now echoing data
> sent to that port.

How did you confirm that it's Samba listening there?

> In short, why does Samba open TCP port 7 and run an ECHO service when "smb
> ports = 139" is specified in the configuration file?

I'm very surprised that Samba listens there. To be honest, I
don't believe that yet before you said how you confirmed
this :-)

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