I do not see the need for it either, why would you (or he even suggest to) have it open? -----Original Message----- From: netfilter-admin@xxxxxxxxxxxxxxxxxxx [mailto:netfilter-admin@xxxxxxxxxxxxxxxxxxx] On Behalf Of Brent Clark Sent: Wednesday, July 21, 2004 6:29 AM To: iptables Subject: ports 137 to 139 Hi all Stupid question, must ports 137 to 139 (basically netbios)be open a drop default policy fw. One of my friends is suggesting that I must open it. I cant see the need for this. Any advice would be appreciated Kind Regards Brent Clark I have a adsl connection MSN: brentgclark@xxxxxxxxxxx eMail: bclark@xxxxxxxxxxxxx Cell: +27 82 701 7827 Work No: +27 21 683 0069 Fax No: +27 21 683 6137