![]() Tcpdump: verbose output suppressed, use -v or -vv for full protocol decode With tcpdump there is only SYN packet visible: tcpdump -nn port 80 I am experiencing similar symptoms myself with Ubuntu 20.4 on Raspberry Pi 4 with fresh installation. Below I have attached part of my terminal history. Not sure if this is in any way related to this, but one thing I did to prior to this issue is adding a user group and changing some permissions in order access GPIO data of my raspberry pi in ubuntu. git pull -> fatal: unable to access '': Failed to connect to port 443: Connection refused.curl -> curl: (7) Failed to connect to port 443: Connection refused. ![]() curl -> curl: (7) Failed to connect to port 80: Connection refused.I have not changed any settings in my router and my firewall is disabled. ![]() I cannot pull from my github repository anymore, cannot make web requests to any APIs from my node application nor can I use apt install or apt update. My raspberry pi 4 running Ubuntu Server 20.4 suddenly stopped connecting to any services on the internet. ![]()
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