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Identify the Source of Unexpected Requests in an On-Prem Network
An internal service started receiving requests from unexpected IP addresses. Identify the unexpected sources and find out which systems are behind them.
Challenges
Focused, hands-on DevOps and server-side problems with hints, feedback, and automated solution checks.
Official Collection
Challenges crafted by iximiuz Labs to help you master DevOps and Server Side topics.
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Enable Internet Access for a Private Network with a NAT Gateway
Configure a Linux NAT gateway to give Internet access to private RFC 1918 networks while keeping them hidden from the outside world.
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Connect Two Network Namespaces
Prove your Linux networking skills by connecting two network namespaces with a virtual Ethernet device.
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Set Up Network Address Translation (NAT) for a Container
There is a container that can reach the host only through its veth pair and cannot call any other addresses. Can you connect it to the outside world?
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Access a Docker Container With No Published Ports
Learn a bunch of Linux networking tricks while trying to access an Nginx server running inside a Docker container with no published ports.