cannot connect to [[x.x.x.x]:10050]: [4] Interrupted system call

[m_pahlevanzadeh]

I have this problem between two debian machine, I have telnet on 10050 but I have this problem, Firewall is disable, SELinux is disable. I have zabbix 6.0 LTS.

[NFK]

I have the same issue, There are no firewall issues, agent host can connect to zabbix server:

Connection to 10.1xx.xxx.x 10050 port [tcp/zabbix-agent] succeeded!

below is the log:
3902:20241108:153534.740 Got signal [signal:15(SIGTERM),sender_pid:1,sender_uid:0,reaso n:0]. Exiting ...
3902:20241108:153534.741 Zabbix Agent stopped. Zabbix 5.0.17 (revision 0a4ac3dabc).
4030:20241108:153534.760 Starting Zabbix Agent [db3.]. Zabbix 5.0.17 (revision 0a4ac3dabc).
4030:20241108:153534.760 **** Enabled features ****
4030:20241108:153534.761 IPv6 support: YES
4030:20241108:153534.761 TLS support: YES
4030:20241108:153534.761 **************************
4030:20241108:153534.761 using configuration file: /etc/zabbix/zabbix_agentd.conf
4030:20241108:153534.761 agent #0 started [main process]
4036:20241108:153534.762 agent #1 started [collector]
4037:20241108:153534.762 agent #2 started[listener #1]
4038:20241108:153534.763 agent #3 started[listener #2]
4039:20241108:153534.763 agent #4 started[listener #3]
4040:20241108:153534.764 agent #5 started [active checks #1]
4040:20241108:153534.765 active check configuration update from [10.xxx.xxx.x:10051] started to fail (cannot connect to [[10.xxx.xxx.x]:10051]: [111] Connection refused


Other agent hosts can connect to zabbix server.