Bypass the router upstream company ACL with IPSEC VPN

Hello

My headquarters has a routing infrastructure company. I want to configure a Site VPN to IPSEC as a solution of webvpn AnyConnect for my users through the company. If the security guys to create an ACL on the router upstream from my Cisco ASA 5585 to allow IPSEC between 28 (the stretch between my external interface of ASA and the trunk of PO on the upstream router) then I can send ip a whole between my inside interface subnet and subnet within the interface on the ASA distant (still on the company's infrastructure holding constant and correct routing. In short, if a packet is encrypted in an IPSEC packet, IPSEC is not filtered, you can send any traffic, even if it is AS restrictive on a router upstream of the LCA, correct?

Thank you!

Matt

CCNP

You are right, the router can not look in the VPN package. So anything that is transported inside the VPN, it bypasses security company-ACL.

For VPN traffic to your ASA, you need the following protocols/ports:

  1. UDP/500, UDP4500, IP/50 for IPsec
  2. UDP/443 for AnyConnect with SSL/TLS, TCP/443

Tags: Cisco Security

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    Sent by Cisco Support technique iPad App

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