A 2018 IIE research repo (IPReuse/vpn_access) documents preliminary reconnaissance into commercial VPN vendors, PPTP/L2TP/SoftEther protocol internals, related open-source projects, and integrating VPN account/traffic management with FreeRADIUS -- early-stage groundwork plausibly feeding the VPN-protocol-identification work later productized as glimpse_detector/AppSketch.

vpn初步调研结果 1、厂商情况 2、流行协议简介 3、pptp&l2tp安装 4、github上出现的相关开源 5、pptp日志配置 6、vpn与radius共同管理账户和密码以及流量等

extracted_by: claude-sonnet-5 · added 2026-08-26 · id: 2026-mesalab-vpn-access-research