IP masking
IP masking is a technique that conceals or rewrites a network source address so traffic appears to originate from another address or intermediary.
Google Anthos in Action
IP masquerading rewrites the source address of network traffic so that it appears to originate from another address, commonly a node address.
- How it is used
- Resolves Pod-to-consumer reachability when privately used public IP ranges overlap across Anthos GKE VPCs.
- How deep it goes
- Explains the address-hiding behavior and contrasts it with route export and import, but does not provide configuration commands.
- Examples
- Uses a producer/consumer VPC scenario where overlapping PUPI ranges require hiding Pod addresses behind node addresses.
- What you can do after
- Operate Anthos GKE networking by selecting masquerading when consumer address overlap prevents direct Pod-route exchange.
Building Web APIs with ASP.NET Core
IP masking is the concealment of an origin resource's network address behind an intermediary address.
- How it is used
- Uses a CDN proxy to conceal a web API origin while adding caching and security benefits.
- How deep it goes
- Explains the edge-origin flow and configures a proxied DNS record, stopping short of provider-independent implementation details.
- Examples
- Demonstrates Cloudflare’s proxied win-01 subdomain, Azure VM address, DNS record, and 522 connectivity test.
- What you can do after
- Operate Cloudflare DNS by creating a proxied A record and verifying that requests reach the masked endpoint.
Read how Building Web APIs with ASP.NET Core explains IP masking →
Related concepts
- virtual private networkimplemented by · A virtual private network is a logical network that connects systems across an underlying network through protected, typically encrypted, communication.
These guides are generated from the text of Manning books by Manning's knowledge graph and link to the sections they draw on. The full books are available on liveBook and at manning.com.

