IPFW Limit the number of connections on IP classes and port

Hello!

I am new here, and I would have a little help from someone who can help me with the following problem:

For example, I have 5 IP classes in this form:

192.168.1.0/24
192.168.2.0/24
192.168.3.0/28
192.168.4.0/28
192.168.5.0/28

I want every IP class to limit outbound connections on specific ports. Do not exceed, for example, 3 connections per IP, or a total of 35 connections, of each IP class.

Let's say this:

192.168.1.0/24 (total 255 IPs), up to 3 connections per 1 IP, but the total limit is 35 (across the class), on ports 1000 to 2000

192.168.3.0/28 (total 16 IPs), maximum 3 connections per 1 IP, but the total limit is 35 (across the class), on ports 1000 to 2000

Can someone help me if I pray?

INFO: FreeBSD nemesis.eushells.ro 11.1-RELEASE FreeBSD 11.1-RELEASE # 0: Mon Aug 7 11:56:18 EEST 2017 sysadmin@nemesis.eushells.ro: / usr / obj / usr / src / sys / ITDATATELECOM amd64

Thank you in advance!
 
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