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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