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The relationship between a fqdn (a web address) and an IP address can be many to many. In that many different IP addresses can serve the same websites, and a single IP address can serve many different websites. When a webserver at an IP address is hosting multiple websites, it uses headers in the request sent from your browser to know which site to send ...


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Ping Time Ping measures Round Trip Time (RTT), records any packet loss, and prints when finished a statistical summary of the echo response packets received, the minimum, mean, max and in some versions the standard deviation of the round trip time. A lower value for Ping Time is better. Time To Live (TTL) There is no optimum value for TTL. TTL or ...


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Neither ping -N nor arping worked for me, I finally settled with the solution from this answer: You can use the tool nping from the nmap package: # nping --icmp --dest-mac [gateway mac] [target ip] You can find your router's mac in your local ARP cache: $ arp -v [gateway ip] The tool also supports different ping types, like --tcp or --udp.


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This sounds a lot like a mismatched port forwarding configuration. Since ping/nslookup/tracert all rely on ICMP, which is layer 3, they do not rely on a destination/source port to function. Telnet and HTTP, however, reside in the application layer, and so they require those ports to function. A simple verification of whether this issue lay with the router ...



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