nanog mailing list archives
Re: Incoming SSDP UDP 1900 filtering
From: "Hansen, Christoffer" <christoffer () netravnen de>
Date: Mon, 25 Mar 2019 14:07:47 +0100
On 25/03/2019 13:44, Ca By wrote:
Different topic. But most broadband providers have a similar list and it nearly always has port 25 blocked and you know why
https://ipv6.he.net/certification/faq.php HE blocks IRC 6667 and SMTP 25 ports on https://tunnelbroker.net/ tunnels for the same reasons. Blocking common abuse ports by default at the $customer CPE has it's positive benefits. Then allowing $customer to request port blocking removed if necessary. (Require $customer to know what they are doing before approving unblocking port) -- Christoffer
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Current thread:
- Re: Incoming SSDP UDP 1900 filtering, (continued)
- 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 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)