OpenAI L7 engineer reportedly unable to set up isolated VLAN

A user reported that an OpenAI L7 engineer said they couldn't build an isolated VLAN with strict port 443 egress and IP whitelisting, sparking debate. Experts noted IP whitelisting has largely lost effectiveness.

2026-09-27 ~ 2026-09-27 · 2 related posts

• OpenAI L7 engineer says he can't build an isolated VLAN with strict egress rules — StewartalsopIII · 2026-09-27
• OpenAI L7 engineer says firm can't build IP-whitelisted egress VLAN, experts say IP allow-lists are obsolete — arthurcolle · 2026-09-27