Adding some additional resource of signature explanation: https://www.snort.org/faq/what-is-a-signature 

Dear Sean, Firepower/IPS rules are in other words signatures or patterns based on which we try to match known attacks against traffic flows that are traversing through the sensors. Each rule has it's own signature unique identifier aka SID. Wheneve...

Additionally here is enhancement request for your requirement: CSCuz17592 - [ENH] Send syslog messages to more than one client. You can keep track of it, by saving bug. you will get notification when status changes(get resolved) or if this is somet...

Hello Arjun, unfortunately this is not possible at the moment. You can consider to configure eStreamer for Connection events towards multiple clients, so you can have same information on multiple-servers. Probably that would fit your requirement the...