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Method and apparatus for providing security in an intranet network

  • US 9,699,143 B2
  • Filed: 06/01/2015
  • Issued: 07/04/2017
  • Est. Priority Date: 08/07/2008
  • Status: Active Grant
First Claim
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1. A method for providing security in a virtual private network, the method comprising:

  • defining, by a processor of a customer edge router, a protected server group, wherein the protected server group identifies a subset of all customer endpoint devices in the virtual private network, wherein the subset includes a server within the virtual private network to be protected;

    receiving, by the processor, a packet; and

    applying, by the processor, an outbound access control list to the packet when the packet is from a server in the protected server group, wherein the outbound access control list comprises an outbound list of internet protocol addresses that the protected server group is allowed to initiate a session with, wherein the applying the outbound access control list comprises;

    determining that the packet is from the server in the protected server group and that the packet is sent without being solicited; and

    blocking a transmission of the packet that is sent without being solicited.

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