hello, I have a problem,
server ubuntu (apacht + ngnix) behind a router, that creates me my LAN.
Sites in the world are visible, but when the Ping external-ip/site from the server are lost packets, and each time a different number.
same, as Ping from PC which is in the same place - behind arouter
Re: lost packets
Many reasons may be responsible for packet loss, but you provide almos no background information. Here is a general troubleshooting guide: