We don't filter it yet, but Princeton has some pretty good pages with good justifications for blocking (or getting users to disable these protocols).
For example: http://www.net.princeton.edu/filters/ssdp.html The following link lays out the other protocols they filter. http://www.net.princeton.edu/filters -Neil On Mar 13, 2012, at 7:47 AM, Kellogg, Brian D. wrote: I’ve blocked SSDP on my LANs and WLAN for a couple years without any issues. -Brian From: The EDUCAUSE Wireless Issues Constituent Group Listserv [mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU] On Behalf Of Brian David Sent: Tuesday, March 13, 2012 8:31 AM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU<mailto:WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU> Subject: Blocking Chatty protocols We were wondering what other schools are doing with these protocol…(SSDP, NetBIOS, mDNS, etc.) I need to make the case for blocking some of these for Faculty/Staff and Students…I was wondering about SSDP for example.. What does it break when blocked? Any feedback would be appreciated. Brian J David Network Systems Engineer Boston College ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
