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 # gatuna
 
-A raw-Ethernet tunnel for reaching services on a peer machine when a WFP
-killswitch on the local machine blocks normal IP traffic. Two programs carry
-bytes between their respective loopbacks over a private L2 protocol, bypassing
-the IP stack (and therefore the killswitch) entirely.
+**gata** (Spanish: *cat*) + **atún** (Spanish: *tuna*) — a cat fishing a
+tunnel. The "tun" root is also the commonplace shorthand for a network tunnel
+(as in `/dev/net/tun`, `wintun`, `tuntap`), so the name works in both languages:
+a Spanish portmanteau that sounds like "gatuna" (feline), and an English pun on
+"cat-tun" — a cat that tunnels.
+
+## Attribution
+
+Entirely vibe-coded with [GLM 5.2](https://github.com/zai-org/GLM-5.2). No
+human-typed source code; all implementation was directed through natural
+language and reviewed by the human in the loop.
 
 ## Why this works