ping website network is unreachable linux ubuntu 18

Which has a default gateway, and makes IPv4 work fine. Whenever I enable wlan, I get these routes: ~ » route There seem to be two things at play here: IPv6 and default gateway. What else could I check to narrow down this issue? EDIT RX bytes:13558552 (13.5 MB) TX bytes:3533448 (3.5 ~ » routeĭestination Gateway Genmask Flags Metric Ref Use Iface TX packets:14119 errors:0 dropped:0 overruns:0 carrier:0 RX packets:37502 errors:0 dropped:0 overruns:0 frame:0

UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 Therefore, it is a good practice to block ping requests to your servers to. On the other hand, network intruders and hackers also use ping to identify network subnets to find potential hosts or to perform ICMP flood attacks. This is my network config (nothing out of the ordinary!): ~ » ifconfig eth0Įth0 Link encap:Ethernet HWaddr 2c:76:8a:e0:b0:6b Ping is also used to test the quality of the network connection by monitoring the round trip time and packet losses. Traceroute is also failing: ~ » traceroute 572 IN A 91.189.92.201īut I can not ping the site (not because the site is not replying to pings, but because Network is unreachable): ~ » ping flags: qr rd ra ad QUERY: 1, ANSWER: 7, AUTHORITY: 0, ADDITIONAL: 0Ī. >HEADER<<- opcode: QUERY, status: NOERROR, id: 36593 I can resolve the domain with dig: ~ » dig ).įor example, I can download a file with wget: ~ » wget ), but some tools are just failing (ping, traceroute, the browser. Some tools can use the network just fine (wget, dig, apt-get. There are probably lots of situation when this can happen, but this is a big mistery for me.

Ping website network is unreachable linux ubuntu 18