Tuesday, December 7, 2021

Simulating connectivity issues

I work for a software company that wants the ability to simulate network errors. For example, we might want to block traffic on specific ports (eg 1883) for certain IP-addresses to test the system under different scenarios. We are testing a closed system so the "blocking-functionality" is only needed on one single LAN. No changes to incoming or outgoing traffic. Current gear is Unifi combined with some Cisco Firewalls.

How would you go about this? A completely separate piece of gear that developers can have unlimited access to? Any tips would be much appreciated!



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