1. 
   PPTP
   Point-to-Point Tunneling Protocol. PPTP is a protocol that allows secure transmission of data in TCP/IP packets. PPTP protocols are used to carry secure communications over Virtual Private Networks that use public phone lines.
   Found op http://www.youngco.com/young2.asp?ID=4&Type=3
   
   
2. 
   PPTP
   Point To Point Tunneling Protocol, details ...
   Found op http://www.cryer.co.uk/glossary/p/index.htm
   
   
3. 
   PPTP
   Point-to-Point Tunneling Protocol [Microsoft]
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
4. 
   PPTP
   (Point to Point Tunneling Protocol) - Protocol used to create LAN-to-LAN tunnels between Windows NT servers that have installed the PPTP protocol. PPTP wraps and encrypts IP packets and sends them to a destination server. This provides secure tunneling between sites from within NT, without extra equ...
   Found op http://www.everlands.co.uk/glossary.htm
   
   
5. 
   PPTP
   See Point-to-Point Tunneling Protocol.
   Found op http://www.tedhaynes.com/newterms.html
   
   
6. 
   PPTP
   Point-to-Point Tunneling Protocol
   Found op http://foldoc.org/PPTP
   
   

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