Port 139 tcp is used for smb connections; port 137 udp is used or name resoltuion and 138 is used for netbios datagram services. Best to block 137-139 tcp and udp for maximum safety or don't even run smb on the external interfaces I run to networks here one on 192.168.1.x for windows and my externally visible network. Regards, Kerry. On Sun, Oct 29, 2000 at 01:00:38PM +1100, Geoff Shang wrote: > On Sat, 28 Oct 2000, Brent Harding wrote: > > > In windows, ports 135, 138, and 139 are probably always open, but you can't > > do much too usefull with them. > > hmmm. I only have 139 open on our windows box. This port is labeled > netbios-ssn which is used for sharing windows drives and probably printers. > If you have this port open on a cable network and someone manages to hack > their way into your drive shares, no file is safe. > > Geoff. > > > > -- > Geoff Shang <gshang10 at scu.edu.au> > ICQ number 43634701 > > > _______________________________________________ > Speakup mailing list > Speakup at braille.uwo.ca > http://speech.braille.uwo.ca/mailman/listinfo/speakup -- -- Kerry Hoath: kerry at gotss.eu.org Alternates: kerry at emusys.com.au kerry at gotss.spice.net.au or khoath at lis.net.au ICQ UIN: 62823451
