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:
- UDP/500, UDP4500, IP/50 for IPsec
- UDP/443 for AnyConnect with SSL/TLS, TCP/443
Tags: Cisco Security
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This configuration seems correct? Is there another way to accomplish the same task?
Thank you for your time.
Looks good so far.
But if this PAT is only for VPN traffic, then you can change the policy-nat NAT rule:
nat (inside,outside) source dynamic LOCAL obj-12.12.12.12 destination static Remote_Network Remote_Network
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I connect to an access provider via Airport Extreme, which is extended through two Airport Express. When I try to edit anything in one of these devices, even a name, I get this message: "you have entered the address of the router is not compatible with your WAN IP address. My connection seems to work, but there is clearly something wrong with her. The Express has no DNS and will not update without the same message. I have no idea what this is all about and will greatly appreciate the ideas.
This means that WAN Setup does not or does not install across the network.
The best way to solve this problem is beginning on...
Reset all three at the factory and reconfigure each in turn. Do the extreme first and make sure it works... Then add the express.
If you need help with that we will need to know which modem or modem router to your ISP gave you and possibly the type of services to wide band... and who is the provider.
Give us screenshots of each installer as you do.
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Two routers connected, but no Internet on the router downstream
Hi, I followed the instructions in the FAQ for routers chaining daisy with only partial success. I have a WRT54GS V6 router configured as my gateway. The downstream router is a BEFSR41 v4. Both have the latest firmware.
I have visibility on the full network of machines, but the PC connected to the router downstream has no access to the internet. PC connected to the router upstream did.
I tried to exchange the two routers and reconfiguration, but only once the PC connected to the router upstream has access to the internet.
Current configuration:
Gateway - router WRT54GS
Router IP: 192.168.1.1
From IP ADDR: 192.168.1.100
DHCP server: enabled
Downstream BEFSR41 router.
Router IP: 192.168.1.2
DHCP server: disabled
Any help is appreciate
Thank you
On a computer that has no internet open a command prompt window and type "ipconfig/all". After the output full in your next post.
When you connect the computer to the other router must internet?
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