nanog mailing list archives
RE: Incoming SSDP UDP 1900 filtering
From: Phil Lavin <phil.lavin () cloudcall com>
Date: Mon, 25 Mar 2019 09:26:50 +0000
On Mon, 25 Mar 2019, marcel.duregards--- via NANOG wrote:
As SSDP is used with PnP for local LAN service discovery, we are thinking of: 1) educate our client (take a lot of time) 2) filter incoming SSDP packets (UDP port 1900 at least) in our bgp border
Looking back at logs for VoIP calls over the past week (we are a small B2B telco), I see a fair number of RTP streams originating from UDP port 1900 on the customer side. Such filtering at the provider edge would have caused one way audio on these calls
Current thread:
- Incoming SSDP UDP 1900 filtering marcel.duregards--- via NANOG (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Sean Donelan (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Sean Donelan (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Tom Hill (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Tom Beecher (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Bryan Holloway (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Sean Donelan (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Saku Ytti (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Tom Beecher (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Sean Donelan (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Sean Donelan (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Jason Hellenthal via NANOG (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Ca By (Mar 25)
- Re: Incoming SSDP UDP 1900 filtering Hansen, Christoffer (Mar 25)