Hacker News new | past | comments | ask | show | jobs | submit login

I think Skype was able to connect on more restricted networks because it directly connected to some predefined IP addresses, it didn't need to have DNS working.

I remember this because my home network had the DNS servers down but still Skype miraculously managed to get connected to its servers. Maybe this is the same situation but for Telegram?

Applications are open for YC Winter 2022

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact