RADIUS and the Captive Portal: How Portal, NAS and AAA Hand Off a Session
Learn when to use NAS-initiated login or CoA in a RADIUS captive portal, which attributes carry the session, how accounting works, and why CoA logins stall.
Before the New Year’s Eve Surge: A Q4 Operations Calendar for Your AAA Server
See how Alepo AAA Server helps operators handle peak authentication loads, failover events, and reconnect storms with carrier-grade scalability and resilience.
Guest Wi-Fi Best Practices: Captive Portals, AAA, Quotas & More
Learn guest Wi-Fi best practices for captive portals, AAA, vouchers, quotas, consent and returning users while reducing access issues and revenue leakage.
AAA Emergency Mode: Keeping Subscribers Online When the Database Is Unreachable
AAA emergency mode keeps subscribers online when the database is down. Compare fail-closed, cached and fail-open policies, accounting buffering, and testing.
Choosing Captive Portal Software for a Monetized Wi-Fi Network
What to look for in captive portal software: 14 checks on payments, RADIUS and CoA, multi-venue tenancy, consent and carrier scale, each with a demo question.
RADIUS Attributes Explained: NAS-Port, NAS-Port-Type, Framed-IP-Address and VSAs
A practical RADIUS attribute reference: NAS-Port-Type, Framed-IP-Address, Class, vendor-specific attributes, and how to map VSAs during a migration.
RADIUS Security: Shared Secrets, Message-Authenticator and the BlastRADIUS Fix
Is RADIUS secure? Learn what shared secrets protect, what remains exposed, how BlastRADIUS works, and 7 practical steps to harden RADIUS security.
EAP-TLS and RADIUS: Securing Modern Network Authentication
Learn how EAP-TLS authentication works with RADIUS and 802.1X. Explore certificate-based mutual authentication, EAP-TLS vs. PEAP, and certificate lifecycle management.
What Is TACACS+? The Complete Guide for Network Teams
Learn what TACACS+ is, how it works, TACACS+ vs RADIUS, command authorization, security, and TACACS+ over TLS with RFC 9887.
Guest and Contractor Network Access for Regulated Industries
Learn how to secure guest and contractor network access with AAA, identity-based authentication, segmentation, time-bound access, and audit-ready logs.
