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Are there any good guides for setting up private networks? Google results are overwhelmed by setting up VPNs for private browsing.

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Set up a network, don't make it public. Block everything incoming except your VPN tunnel should you need remote access. That's how a private network works.

> Block everything incoming except your VPN tunnel should you need remote access

With the slight caveat that you should have at least a second out-of-band access method for when you bork your VPN config :)

True, but you know you have done your private network correctly if borking your VPN config means no access.

The easy way is to set up some sort of router, most of them NAT and block port forwarding. That way you can only access your Jenkins from the local network.

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