Advantages of L2TP/IPsec
Although PPTP users significantly outnumber L2TP/IPsec users, because of a higher level of security in L2TP/IPsec as well as several other benefits of L2TP/IPsec, organizations that are seeking to improve secured remote connectivity are beginning to implement L2TP/IPsec VPN as their remote and mobile access standard. The following are the advantages of using L2TP/IPsec over PPTP:
• IPsec provides per-packet data authentication (proof that the data was sent by the authorized user), data integrity (proof that the data was not modified in transit), replay protection (prevention from resending a stream of captured packets), and data confidentiality (prevention from interpreting captured packets without the encryption key). ...
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