OneSpan Authentication Server supports the following RADIUS protocols:
- PAP
- CHAP
- MSCHAP with MPPE (Microsoft Point-to-Point Encryption)
- MSCHAPv2 with MPPE
- EAP-TTLSv0/PAP
- PEAPv0/EAP-GTC
- PEAPv0/EAP-MSCHAPv2
- PEAPv1/EAP-GTC
- PEAPv1/EAP-MSCHAPv2
Some protocols do not support all authentication features of OneSpan Authentication Server (see Limitations of RADIUS support in OneSpan Authentication Server). For more information, refer to the OneSpan Authentication Server Administrator Reference, Section "Login permutations"