nanog mailing list archives
Re: Incoming SSDP UDP 1900 filtering
From: Barry Raveendran Greene <bgreene () senki org>
Date: Thu, 11 Apr 2019 15:52:33 -0400
On Apr 11, 2019, at 10:08, Patrick McEvilly <patrick_mcevilly () 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 “scanning malware” and “Internet Worm?” http://www.senki.org/operators-security-toolkit/filtering-exploitable-ports-and-minimizing-risk-to-and-from-your-customers/
Current thread:
- Re: Incoming SSDP UDP 1900 filtering Patrick McEvilly (Apr 11)
- Re: Incoming SSDP UDP 1900 filtering Barry Raveendran Greene (Apr 13)
- Re: Incoming SSDP UDP 1900 filtering William Herrin (Apr 13)
- Re: Incoming SSDP UDP 1900 filtering William Herrin (Apr 13)
- RE: Incoming SSDP UDP 1900 filtering Keith Medcalf (Apr 13)
- Re: Incoming SSDP UDP 1900 filtering Barry Raveendran Greene (Apr 13)