Ubuntu can't ping external

bobrob88

7/14/24, 2:05 PM

from yesterday I've this annoying issue, I can't ping external from ubuntu 20.04.5

PING google.it (142.251.36.35) 56(84) bytes of data.
^C
--- google.it ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 2041ms

nslookup

> www.google.it
Server:         127.0.0.53
Address:        127.0.0.53#53

Non-authoritative answer:
Name:   www.google.it
Address: 142.251.36.35
Name:   www.google.it
Address: 2a00:1450:400e:811::2003
>

ip a

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP group default qlen 1000
    link/ether 00:0d:3a:44:ef:1d brd ff:ff:ff:ff:ff:ff
    inet **.**.2.4/23 brd **.**.3.255 scope global eth0
       valid_lft forever preferred_lft forever
    inet6 fe80::20d:3aff:fe44:ef1d/64 scope link
       valid_lft forever preferred_lft forever

cat /etc/resolv.conf

nameserver 127.0.0.53
options edns0 trust-ad
search reddog.microsoft.com

sudo iptables -L

[sudo] password for crawler-admin:
Chain INPUT (policy ACCEPT)
target     prot opt source               destination

Chain FORWARD (policy ACCEPT)
target     prot opt source               destination

Chain OUTPUT (policy ACCEPT)
target     prot opt source               destination

Any ideas?

Thanks to all

0 + 1

server

networking

Marco

7/14/24, 9:04 PM

Can you add the output of `ip route` to the question?

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EN: Ubuntu can't ping external

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