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Check tcp connections and firewall rules across networks using nc

05.08.2020 | Tim Schmeling in howto

Larger companies have a big network with different network segments. Often they have active components like routers and firewalls inside the network to avoid bad traffic and unauthorized connections. If you now like to implement a new (open source) software, which needs a connection to another server, you have to ensure that the connection is possible. You have two options for solving this problem. We’ll look into both of them.

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