vpn vpn

..

.. .. ..

..

..

..

..

..

(1)



..

(2)


(3)


!!

VPN

VPN = Virtual Private Network





VPN

1-
=======================
VPN

IP



2-
========================

-
-

VPN

VPN





3-
=============================================



4- VPN
========================
VPN :
PPTP
OpenVPN
IPSEC

PPTP (Windows, Linux, Android, FreeBSD)

5- VPN
==============================
3 PORT

6- PORT
=============================
65535
80 HTTP 443 HTTPS

7- VPN
=========================
PORT Tunneling VPN 443 VPN

8- 443
============================


9-

overselling 100 1 150 VPN
================================================

overselling VPN

===============================================

VPN SSL Secure Soket Layer Encryption 128 BIT 256bit

OpenVPN Open SSL OPEN 90% OpenVPN OPEN SSL

.. .



..


ʿ..

.. ʿ..

..


..

..

8 ..

30

30 ..

30 ..