Juniper Two Factor VPN & Linux
Summary
During a penetration test, the author encountered a Juniper VPN that lacked formal two-factor authentication support for Linux clients. The article details a workaround developed by the author to enable two-factor authentication for Linux users connecting to this Juniper VPN.
IFF Assessment
The article describes a technique to improve the security posture of a VPN connection, which is beneficial for defenders.
Defender Context
This article highlights a common challenge in enterprise environments where VPN solutions may have incomplete support for security features like multi-factor authentication on certain operating systems. Defenders should be aware of such potential gaps and explore compensating controls or vendor-specific configurations to ensure robust authentication across all user platforms.