I also think that most good network citizens should be egress blocking those ports anyway - there are precious few reasons a corporate network should be allowing egrees traffic on those ports, or for that matter on most ports.
-------------------------------------------------------------- Roger D. Seielstad - MTS MCSE MS-MVP Sr. Systems Administrator Inovis Inc. > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] > Sent: Tuesday, August 12, 2003 7:32 PM > To: Exchange Discussions > Subject: Re: ISP/Exchange Question > > > On Tue, 12 Aug 2003, at 4:52pm, [EMAIL PROTECTED] wrote: > > Has anyone heard of the Dept. of Homeland security putting out an > > anouncement to ISP's to block TCP/UDP ports 135, 137, 445? > > The DHS advisory doesn't target ISPs in particular. > > Many ISPs block 135, 137, 138, 139, and 445. More have > started blocking > with the exploits attacking MS03-026. Given the number of > clueless lusers > running Windows systems unprotected on the Internet, I find > this a pretty > reasonable action. Traffic on those ports really doesn't > have much business > being on the public Internet in the first place. > > -- > Ben Scott <[EMAIL PROTECTED]> > | The opinions expressed in this message are those of the > author and do | > | not represent the views or policy of any other person or > organization. | > | All information is provided without warranty of any kind. > | > > > > _________________________________________________________________ > List posting FAQ: http://www.swinc.com/resource/exch_faq.htm > Web Interface: > http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&t ext_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED] _________________________________________________________________ List posting FAQ: http://www.swinc.com/resource/exch_faq.htm Web Interface: http://intm-dl.sparklist.com/cgi-bin/lyris.pl?enter=exchange&text_mode=&lang=english To unsubscribe: mailto:[EMAIL PROTECTED] Exchange List admin: [EMAIL PROTECTED]
