TLS issues with Lumen (CenturyLink)

Andrew Gray 3356 at blargh.com
Wed Apr 12 20:36:55 UTC 2023


Can someone from Lumen/CenturyLink contact me off-list?

We are seeing issues with some traffic coming from customers inside 
AS209 (and only AS209) that appear to be hitting some sort of 
in-the-middle inspection that is causing TLS issues (showing that the 
certificates are invalid).

Thanks!




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