[Samba] malformed broadcast packets ?

[Boles, Jason]

I just tried adding this setting now, but the malformed packets are
still coming, and still in 15 minute intervals.  The default "lm
interval" is 60 seconds according to the smb.conf man page, so this must
be something different than lm announce packets.

(yes, I did restart the smb and nmbd daemons after making the change...)

any other suggestions ?
-Jason


> -----Original Message-----
> From: Mark Lidstone [mailto:mlidstone at bmtseatech.co.uk] 
> Sent: Monday, July 05, 2004 3:34 AM
> To: Boles, Jason
> Subject: RE: [Samba] malformed broadcast packets ?
> 
> 
> Hi Jason,
> 
> Try putting "lm announce = no" into your samba.conf.  
> "LanManager Announce" packets are only really needed in OS/2 
> environments.
> 
> I hope this helps,
> 
> Mark Lidstone
> IT and Network Support Administrator
> 
> BMT SeaTech Ltd
> Grove House, Meridians Cross, 7 Ocean Way
> Ocean Village, Southampton.  SO14 3TJ. UK
> Tel: +44 (0)23 8063 5122         
> Fax: +44 (0)23 8063 5144
> 
> E-Mail:  mailto:mark.lidstone at bmtseatech.co.uk
> Website: www.bmtseatech.co.uk 
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> 
> -----Original Message-----
> From: Boles, Jason [mailto:jBoles at engr.pitt.edu] 
> Sent: 03 July 2004 00:29
> To: samba at lists.samba.org
> Subject: [Samba] malformed broadcast packets ?
> 
> 
> 
> Hello All,
>   I recently upgraded to Redhat AS3 from an older 7.3 
> installation. With samba 3 (3.0.2-6.3E is the rpm version), 
> I've been seeing activity that wasn't present before.
> 
> Every 15 minutes (within a few seconds accuracy), I receive 
> an alert from our SonicWall (firewall appliance) reporting 
> that a "Malformed IP packet dropped." where the source was 
> the upgraded server, and the destination was the subnet 
> (x.y.z.255).  Src & Dest port was 137.
> 
> So what is smbd or nmbd (or maybe winbindd) transmitting 
> every 15 minutes ?
> 
> There is nothing in the logs corresponding to those 
> timestamps, or to indicate that there is another source for this.  
> 
> (turning off sonicwall alerts is not an option)
> 
> all of the samba clients are win2k/XP and on the same subnet 
> as the server.  It's setup for security = DOMAIN, with 
> another Windows Server 2003 box as the domain controller 
> (also on the same subnet, behind the same firewall).
> 
> 
> thanks ahead of time,
> -Jason 
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