Table of network flows

Network flows to integrate monitoring platform to IT

Central server

From	To	Protocol	Port	Application
Central	NTP server	NTP	UDP 123	Synchronization of the system clock
Central	DNS server	DNS	UDP 53	Domain name resolution
Central	SMTP server	SMTP	TCP 25	Notification via email
Central	LDAP(s) server	LDAP, LDAPS	TCP 389, 636	Authentication to access the Centreon web interface
Central	HTTP	HTTP, HTTPS	TCP 80, 443	System updates, Push Notification

Poller

From	To	Protocol	Port	Application
Poller	NTP server	NTP	UDP 123	Synchronization of the system clock
Poller	DNS server	DNS	UDP 53	Domain name resolution
Poller	SMTP server	SMTP	TCP 25	Notification via email
Poller	HTTP	HTTP, HTTPS	TCP 80, 443	System updates, Push Notification, SSL VPN *

note

If you are using a SSL VPN connection between Smart Poller and Central Manager you don’t need to configure any specific firewall settings.

Tables of platform flows (Central/Poller)

From	To	Protocol	Port	Application
Central	Poller	ZMQ	TCP 5666	Export of configuration
Central	Poller	SSH	TCP 22	Export of configuration (legacy), NCB, Sync Job
Poller	Central	BBDO	TCP 5669	Transfer of collected data

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Monitoring protocols

From	To	Protocol	Port	Application
Poller	Network equipment, servers, etc.	SNMP	UDP 161	Monitoring
Network device	Poller	Trap SNMP	UDP 162	Monitoring
Poller	Servers	NSClient++	HTTPS 8443	Monitoring

note

Other flows can be necessary to monitor databases, access to API, or application ports.