tcpdump -nni any 'icmp[icmptype] == icmp-echoreply' and h
ost 192.168.1.244

https://hackertarget.com/tcpdump-examples/

https://blog.ipspace.net/2013/01/tcp-mss-clamping-what-is-it-and-why-do…

https://caddyserver.com/docs/install#debian-ubuntu-raspbian

https://campus.barracuda.com/product/websecurityagent/doc/73699516/how-…

para o firefox - about:networking#dns
https://techwiser.com/clear-dns-cache-on-browser/

https://www.hetzner.com/cloud?country=ot

https://www.cloudflare.com/learning/ssl/what-is-sni/

https://dockerswarm.rocks/

https://docs.opendaylight.org/en/latest/getting-started-guide/index.html

https://superuser.openstack.org/articles/openvswitch-openstack-sdn/
https://www.slideshare.net/teyenliu/the-basic-introduction-of-open-vswi…