OpenAI L7 Engineer Reportedly Couldn't Build an Isolated VLAN With IP Whitelist
basedjensen · x · 2026-09-27
A user asked an L7 engineer at OpenAI to build an isolated VLAN with strict outbound 443 and an IP whitelist; the engineer reportedly said they couldn't. The ensuing quip — "L7 engineers don't know about L4 problems" — pokes fun at how senior software engineers can be blind to low-level networking work.
Related event: OpenAI Senior Engineer Reportedly Can't Build Whitelisted VLAN(3 posts)→
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