VPN提供了多种协议选项，每一个均有独特的功能和优势。考虑您的设备支持什么协议，在安全性和速度之间权衡，以及有没有协议被您的网络阻塞。 PPTP L2TP/IPsec OpenVPN 兼容 内置支持各式各样的桌面计算机、移动设备和平板计算机。 内置支持各式各样的桌面 ...

PPTP：连接、断开的速度快，要求防火墙、路由器支持，对网络环境要求比较高。受网络环境因素影响特别大，一般很容易出现619错误。 L2TP：全称应该叫L2TP ipsec vpn,穿透能力强，有一定的网络防闪断能力，如果pptp连接不了您可以采用L2TP方式连接。 OpenVPN：穿透 ...

If PPTP/L2TP VPN is not connecting in Windows 11, use the solutions provided below. Before you proceed, install the latest Windows Update. This simple fix resolved the problem of some users. Connect ...

i'm a network co-admin at a small university bookstore. we've got an ns25 running version 5.0.0r3.0 (Firewall+VPN), and i need to some how configure it to let a few people onto the trusted network ...

The Layer 2 Tunneling Protocol (L2TP) is a standard protocol for tunneling L2 traffic over an IP network. Its ability to carry almost any L2 data format over IP or other L3 networks makes it ...

I messed around with it the other day and all I got on the cisco logs was: Group = DefaultRAGroup, IP = xxx.xxx.177.193, Tunnel Rejected: Conflicting protocols specified by tunnel-group and ...