I also would recommend blocking these outbound, if they are not. Especially 137, it's so useful in finding Windows machines on other networks.
On 1 Aug 2003 at 14:09, Adi Linden wrote: Date sent: Fri, 1 Aug 2003 14:09:52 -0500 (CDT) From: Adi Linden <[EMAIL PROTECTED]> To: Bob German <[EMAIL PROTECTED]> Copies to: [EMAIL PROTECTED] Subject: RE: Blocking port 135? > > > Absolutely. All of the NetBIOS ports: 135, 137, 138, 139, 445. > > Ports 137, 138, 139, 445 have been blocked for a long time. But port 135 > wasn't until today... > > Thanks! > Adi > >
