DESIGN AND IMPLEMENTATION OF VPN SERVER USING L2TP PROTOCOL (LAYER 2 TUNNELING PROTOCOL) AND IPSEC METHOD AS SECURITY

Abstract

One way to maintain and improve the quality of service and security on the network of the Padang City Transportation Agency is to add a VPN feature. Administrators who always monitor traffic flow by accessing routers and access points to determine network conditions. There are times when the Administrator is on a public network, he cannot access routers and access point devices because the Public IP obtained is Dynamic (random). To overcome this problem, the Network Development Life Cycle (NDLC) method is carried out by combining the L2TP and IPsec VPN protocol systems on Mikrotik. A Virtual Private Network (VPN) is a private and secure network using a public network such as the internet. One of the foundations for securing VPN technology is Internet Protocol Security (IPSec). IPSec is a protocol used to secure datagram transmission on TCP/IP based networks. This study aims to design and implement a VPN network system by utilizing a public network, where this system provides further security enhancements to internet networks using IPSec. The information/data sent will be kept confidential by means of an automatic encryption method via the L2TP tunnel method from the main field room to the UPT room computer and vice versa. VPN is implemented using the layer 2 tunneling protocol (L2TP) using two Mikrotik routers.