Solution “fping failed” and “item icmpping became not supported”

I once installed Zabbix Server 5.2 on Ubuntu Server 20.04 and noticed the following errors in /var/log/zabbix/zabbix_server.log:

item “192.168.5.5:icmppingloss” became not supported: fping failed: 192.168.5.5
item “192.168.5.5:icmppingsec” became not supported: fping failed: 192.168.5.5
item “192.168.5.5:icmpping” became not supported: fping failed: 192.168.5.5

The following path to fping was specified in the Zabbix server configuration /etc/zabbix/zabbix_server.conf:

FpingLocation=/usr/bin/fping
Fping6Location=/usr/bin/fping6

I tried fping manually, and I was convinced that it works:

/usr/bin/fping 192.168.5.5
192.168.5.5 is alive

Then I looked at fping and owner permissions:

ls -la /usr/bin/fping
-rwxr-xr-x 1 root root 52128 Feb 20  2019 /usr/bin/fping

The reason for the error turned out to be that zabbix could not access fping, and therefore I indicated the zabbix group to him:

chown root:zabbix /usr/bin/fping
chown root:zabbix /usr/bin/fping6

After that, the error was resolved.

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