wpa_supplicant 完成Linux下的802.11i客户端接入，与802.11i协议的AP端匹配。能够运行于802.11b网卡上 -wpa_supplicant completion of 802.11i Linux client access, 802.11i agreement with the AP-matching. To operate in 802.11b adapters

linux下的802.1x客户端-802.1x client in linux

KVpnc is a KDE frontend for various VPN clients. It supports Cisco VPN (vpnc, vpnclient (a proprietary client from Cisco)), IPSec (FreeS/WAN, Openswan, strongSwan, racoon), PPTP (pptpclient), OpenVPN, L2TP over IPSec (l2tpd, xl2ltpd) (usable with Fre