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+requirements:
+- mppe patched kernel (http://www.polbox.com/h/hs001/)
+- pptp client (http://pptpclient.sourceforge.net/)
+
+
+needed for connection:
+- IP address or hostname
+- dns
+	- automatic (usepeerdns)
+	- name servers (ip)
+- authentication domain name 
+- authentication
+	- no (noauth)
+	- yes 
+- username
+- password
+- encryption
+	- refuse 40 bit encr (nomppe-40)
+	- refuse 128 bit encr (nomppe-128)
+	- require stateless encr (mppe-stateful)
+	- require mppe (require-mppe)
+		- requires ppp-compress-18 (ppp_mppe)
+	- refuse eap (refuse-eap)
+
+optional:
+- debug (debug dump)
+- reconnect on disconnect (persist)
+
+
+options:
+
+       mppe-stateful
+              Allow  MPPE  to  use  stateful  mode.   Stateless  mode is still
+              attempted first.  The default is to disallow stateful mode.
+       nomppe Disables MPPE (Microsoft Point to Point  Encryption).   This  is
+              the default.
+
+       nomppe-40
+              Disable 40-bit encryption with MPPE.
+
+       nomppe-128
+              Disable 128-bit encryption with MPPE.
+
+       nomppe-stateful
+              Disable MPPE stateful mode.  This is the default.
+
+       refuse-mschap
+              With this option, pppd will not agree to authenticate itself  to
+              the peer using MS-CHAP.
+
+       refuse-mschap-v2
+              With  this option, pppd will not agree to authenticate itself to
+              the peer using MS-CHAPv2.
+       require-mppe
+              Require  the  use of MPPE (Microsoft Point to Point Encryption).
+              This option disables all other compression types.   This  option
+              enables  both  40-bit and 128-bit encryption.  In order for MPPE
+              to successfully come up, you must have authenticated with either
+              MS-CHAP  or  MS-CHAPv2.  This option is presently only supported
+              under Linux, and only if your  kernel  has  been  configured  to
+              include MPPE support.
+
+       require-mppe-40
+              Require the use of MPPE, with 40-bit encryption.
+
+       require-mppe-128
+              Require the use of MPPE, with 128-bit encryption.
+
+       require-mschap
+              Require the peer to authenticate itself using MS-CHAP [Microsoft
+              Challenge Handshake Authentication Protocol] authentication.
+
+       require-mschap-v2
+              Require  the  peer  to  authenticate  itself   using   MS-CHAPv2
+              [Microsoft  Challenge Handshake Authentication Protocol, Version
+              2] authentication.
+
+       require-eap
+              Require the peer to authenticate itself  using  EAP  [Extensible
+              Authentication Protocol] authentication.
+
+