NCP's Next Generation Network Access Technology

optimized for Remote Access

SSL VPN – alternative Remote Access technology

SSL is the acronym for Secure Socket Layer. Originally this technology has been developed in order to allow for encrypted communication between web browser and web server. SSL VPN is frequently referred to in combination with remote access; however, a distinction is made in respect to the prerequisites of the three different access methods. 

SSL VPN
Overview of functionalities of the NCP Secure Enterprise SSL VPN Server


Using Clientless SSL VPN, you access the intranet of your company network without additional software. In this scenario, remote access is only possible for accessing web applications. The SSL VPN gateway isolates the internal web server from direct access from the internet. Only after successful authentication at the SSL VPN gateway, the user is granted access to the gateway. 

If you wish to use a Thin Client SSL VPN, you only need a web browser for downloading the thin client. The thin client opens ports, configured by the administrator, at the user's computer. These local ports allow software, which is installed on the computer, to communicate with the designated server within the company network. Communication with the thin client is SSL encrypted.  

A Fat Client SSL VPN allows for site-to-end access if an employee cannot establish an IPsec tunnel due to restrictions at the customer's facilities. Similar to a conventional VPN, it is mandatory that a VPN client software is installed on the computer. The client then virtually re-creates the corresponding network. Through this means, it is possible, that the whole network traffic is transmitted via the SSL connection and through that, the computer is connected to the remote network. 

NCP developed its Next Generation Network Access Technology to provide a technology for SSL VPN's that offers different modules which seamlessly interact in all remote access environments.

Like IPsec VPNs, SSL VPN security solutions have to provide consistent security in all remote access scenarios - this is the standard the user can expect, hence, this is the standard a solution has to meet.  In order to allow for compliance to the company policy  NCP's SSL VPN solution follows an "end-to-end security principle". This includes security mechanisms like network access control (NAC) and strong authentication with one-time password token (OTP), certificates and biometric data via PKCS#11.

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