The syslog server configurations are automatically synced with Identity Server and Access Gateway when you select syslog for auditing.
To configure syslog, see Setting Up Logging Server and Console Events. For more information, see Syslog Configuration White Paper.
Section 22.2.1, Limitations of Syslog
Section 22.2.2, Caching Audit Events
Section 22.2.3, Debugging Syslog