Captive portal guest Wi-Fi best practices
Overview
Guest Wi-Fi should not become open door to printing and file shares.
Design
VLAN isolated with internet-only ACL; rate limits; short DHCP leases.
Legal splash pages
Acceptable use text per counsel; log retention policy posted.
Ops
Rotate PSK if shared; better—unique sponsor codes per visitor day.
Monitoring
Alert on DHCP exhaustion from noisy events.
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