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Incoming SSDP UDP 1900 filtering

> On Apr 11, 2019, at 10:08, Patrick McEvilly <patrick_mcevilly at harvard.edu> wrote:

> They are refusing to remove the tcp port 1900 filter without dispensation from the DDoS security gods. I understand blocking UDP 1900, what is the purpose of Level3 filtering tcp port 1900?  

Filtering Exploitable Ports and Minimizing Risk from the Internet and from Your Customers - What are you doing to prepare for the next â??scanning malwareâ?? and â??Internet Worm?â??

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