By default the ike negotiation and ipsec/esp packets would be allowed via the intrazone default allow. Click OK when done.Ĭonfigure the required security rules/policiesĪllow ike negotiation and ipsec/esp packets. Be sure to use the proper Tunnel Interface. Under Network > Virtual Routers, click on your Virtual router profile, then click Static Routes, add a new route for the network that is behind the other VPN endpoint. When configuring an IPSec Tunnel Proxy-ID configuration to identify local and remote IP networks for traffic that is NATed, the Proxy-ID configuration for the IPSec Tunnel must be configured with the Post-NAT IP network information, because the Proxy-ID information defines the networks that will be allowed through the tunnel on both sides for the IPSec configuration. NOTE: If the other side of the tunnel is a third-party VPN device (non PAN-OS FW), then enter the local proxy ID and remote proxy ID to match, these will typically be the local and remote LAN subnets. Under Network > IPSec Tunnels, click Add to create a new IPSec Tunnel. In the General window use the Tunnel Interface, the IKE Gateway and IPSec Crypto Profile from above to set up the parameters to establish IPSec VPN tunnels between firewalls. These parameters should match on the remote firewall for the IKE Phase-2 negotiation to be successful. Under Network > Network Profiles > IPSec Crypto , click Add to create a new Profile, define the IPSec Crypto profile to specify protocols and algorithms for identification, authentication, and encryption in VPN tunnels based on IPSec SA negotiation (IKEv1 Phase-2). The firewall will only respond to IKE connections and never initiate them.Įxchange Mode - The device can accept both main mode and aggressive mode negotiation requests however, whenever possible, it initiates negotiation and allows exchanges in main mode If you don’t specify a value, the gateway will use the local/peer IP address as the Local/Peer Identification value.Įnable Passive Mode - The firewall to be in responder only mode. Local and Peer Identification: Defines the format and identification of the local/peer gateway, which are used with the pre-shared key for both IKEv1 phase 1 SA and IKEv2 SA establishment.Ĭhoose one of the following types and enter the value: FQDN (hostname), IP address, KEYID (binary format ID string in HEX), or User FQDN (email address). Interface: The external interface connected to the internet. Otherwise, the gateway falls back to IKEv1. Select the IKE version that the gateway supports and must agree to use with the peer gateway. IKEv2 preferred mode causes the gateway to negotiate for IKEv2, and if the peer also supports IKEv2, that is what they will use. Version: There are options for the Version where you can select IKEv1 only mode, IKEv2 only mode or IKEv2 preferred mode. Go to Network > Network Profiles > IKE Gateway to configure the IKE Phase-1 Gateway. These parameters should match on the remote firewall for the IKE Phase-1 negotiation to be successful. Name does not matter, can be whatever you like. Go to Network > Network Profiles > IKE Crypto, click Add and define the IKE Crypto profile (IKEv1 Phase-1) parameters. You would need ip-address if you intend to run dynamic routing protocols over the tunnel interface. NOTE: If the tunnel interface is in a zone different from the zone where the traffic will originate or depart, then a policy is required to allow the traffic to flow from the source zone to the zone containing the tunnel interface.Ĭonfiguring ip-address on the tunnel interface is optional. – Security Zone:(configure a new zone for the tunnel interface for more granular control of traffic ingress/egressing the tunnel) – Virtual router: (select the virtual router you would like your tunnel interface to reside) Go to Network >Interface > Tunnel tab, click Add to create a new tunnel interface and assign the following parameters: The transport mode is not supported for IPSec VPN. NOTE: The Palo Alto Networks supports only tunnel mode for IPSec VPN.
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