I've attempted to hunt around for this with little success, so I figured I would come 
out and ask. With an eye to optimization (i.e. faster traversal of comparison of a new 
SYN packet to rulebase), when a rulebase is compiled in what order are the components 
matched? IOW, is the packet first scanned against say the services of each rule then 
service matches compared to the dest, then the serv and dest matches compared to the 
src? Or some other order?

For example, given hostA and hostB access to serverA and serverB on port1 and port2, 
which option of rule config below will end up more optimized once compiled?
---
hostA & hostB -> serverA & serverB : port1 & port2
---
hostA & hostB -> serverA & serverB : port1
hostA & hostB -> serverA & serverB : port2
---
hostA & hostB -> serverA : port1 & port2
hostA & hostB -> serverB : port1 & port2
---
and so on.

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