Juniper networks vpn client linux

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Skip to main content Press Enter. Sign in. Skip auxiliary navigation Press Enter. Contact Us Terms and Conditions. Skip main navigation Press Enter. Toggle navigation. Search Options. Answers Security. Community Home Discussion Ask questions and share experiences about the SRX Series. Back to discussions. Expand all Collapse all sort by most recent sort by thread. Dynamic VPN and Linux client - working solution.

If you've already downloaded the client software, it's possible to start network connect from the command line. Either with or without the Java GUI. This is helpful but there are still some disadvantages: there's no configuration file possible, parameters like host and user name must be given as command line options.

Moreover there's a problem with the user password. Either you give it as command line option but then it's visible in the system's process list, so this is not a good idea or you omit it, then it will be prompted afterwards.

Another unhandy thing is that if you use the Java GUI, the GUI will be started before you entered the password, so you have to switch back to the window where the password is prompted. First this is not very comfortable, second it would be more reasonable to verify the certificate that the host offers with the appropriate trusted certificate authority.

Anyway: you have to verify the certificate that you download from the host and it would be more comfortable if this would be done automatically. The solution is to use a wrapper for the network connect client which overcomes these disadvantages: jnc is a Perl program which does this job.

You are asked for the root password because the setuid bit of the ncsvc binary must be set. If you don't have a root password e. Just make sure the binaries have the required permissions:. Then execute the following commands:.

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The configured preshared key is shared by all users configured in the dynamic VPN access profile. Configure network interfaces on the device.

Create security zones and assign interfaces to them. If there will be more than two simultaneous user connections, install a Dynamic VPN license in the device. See Software Installation and Upgrade Guide. A common deployment scenario for dynamic VPN is to provide VPN access to remote clients that are connected through a public network such as the Internet.

After the client software is installed, the remote user can access the VPN by either logging in to the Web portal or by launching the client directly. In either case, the remote client authenticates with the SRX Series device and downloads the latest configuration available. Figure 2 illustrates this deployment topology. In this example, XAuth client authentication is performed locally and client IP addresses are assigned from an address pool configured on the SRX Series device. See Table 1.

For dynamic VPN tunnels, aggressive mode must be configured and only preshared keys are supported for Phase 1 authentication. Because dynamic VPNs must be policy-based VPNs, a security policy must be configured to forward traffic to the tunnel. See Table 2. Also configured are remote protected resources the destination addresses of traffic that is always sent through the tunnel and remote exceptions the destination addresses of traffic that is sent in cleartext instead of through the tunnel.

See Table 3. To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode. The following example requires you to navigate various levels in the configuration hierarchy. From configuration mode, confirm your configuration by entering the show access command.

If the output does not display the intended configuration, repeat the configuration instructions in this example to correct it. If you are done configuring the device, enter commit from configuration mode. From configuration mode, confirm your configuration by entering the show security ike , show security ipsec , show security policies , and show security zones commands.

From configuration mode, confirm your configuration by entering the show security dynamic-vpn command. To confirm that the configuration is working properly, perform these tasks:. From operational mode, enter the show security ike security-associations command.

From operational mode, enter the show security ike active-peer command. From operational mode, enter the show security ipsec security-associations command. Verify the number of concurrent connections and the negotiated parameters for each user. From operational mode, enter the show security dynamic-vpn users command.

This example shows how to create an address pool and how to assign client IP addresses in an access profile. This example creates an address pool xauth1 that consists of the IP addresses in the The access profile dvpn-auth references the xauth1 pool.

The dvpn-auth access profile configures two clients:. Upon successful authentication, the client is assigned the IP address If the client logs in again before logging out, the client is assigned an IP address from the xauth1 pool. In addition, the dvpn-auth access profile specifies that password authentication is used to verify clients at login. Additional authentication methods can be specified; the software tries the authentication methods in order, from first to last, for each client login attempt.

Verify address assignment. For XAuth, the hardware address is always shown as NA. If a client is assigned an IP address from the pool, the username is displayed; if the username does not exist, NA is displayed. For other applications for example, DHCP , the hostname is displayed if configured; if the hostname is not configured, NA is displayed. From operational mode, enter the show network-access address-assignment pool command.

See Understanding Security Zones. From configuration mode, confirm your configuration by entering the show security ike , show security ipsec , show security policies , show security zones , and show security dynamic-vpn commands. The following example shows the configuration for two remote dynamic VPN users. Help us improve your experience. Let us know what you think.

Do you have time for a two-minute survey? Maybe Later. Dynamic VPN Overview A VPN tunnels enable users to securely access assets such as e-mail servers and application servers that reside behind a firewall. The following list describes the requirements and supported options when configuring dynamic VPN tunnels: Only policy-based VPNs are supported. Only IKEv1 is supported.

IKEv2 is not supported. Only preshared keys are supported for authentication. PKI is not supported. Aggressive mode is supported for IKE phase 1 exchanges. Main mode is not supported. Dead peer detection DPD is supported.

VPN monitoring is not supported. Extended authentication XAuth with mode configuration is supported. Chassis clusters are supported. NAT-T is supported. IKE in virtual routers or in virtual routing and forwarding instances is supported.

AutoVPN is not supported. Auto route insertion ARI is not supported. The user downloads and installs the Pulse Secure client software onto their device.

The user starts the Pulse Secure remote client program. In the Pulse Secure remote client program, the user does the following: Click Add connection. For Name, enter the hostname of the SRX gateway. Upon successful authentication and address assignment, a tunnel is established. For IPsec SAs, the rekey timeout is seconds. IKE uses a proposal set, and IPsec uses a custom proposal. IKE uses a custom proposal, and IPsec uses a proposal set.

The selected proposal for each set is listed as follows: For IKE Sec-level basic: preshared key, g1, des, sha1 Sec-level compatible: preshared key, g2, 3des, sha1 Sec-level standard: preshared key, g2, aes, sha1 For IPsec Sec-level basic: esp, no pfs if not configured or group x if configured , des, sha1 Sec-level compatible: esp, no pfs if not configured or group x if configured , 3des, sha1 Sec-level standard: esp, g2 if not configured or group x if configured , aes, sha1.

There are two cases to consider when configuring dynamic VPN: When users are configured locally, they are configured at the [ edit access profile profile-name client client-name ] hierarchy level and arranged into user groups using the client-group configuration option.

The following procedure lists the tasks for configuring dynamic VPN. Configure authentication and address assignment for the remote clients: Configure an XAuth profile to authenticate users and assign addresses. To configure a group IKE ID: Configure ike-user-type group-ike-id at the [ edit security ike gateway gateway-name dynamic ] hierarchy level. To configure a shared IKE ID: Configure ike-user-type shared-ike-id at the [ edit security ike gateway gateway-name dynamic ] hierarchy level.

Requirements Before you begin: Configure network interfaces on the device. Overview A common deployment scenario for dynamic VPN is to provide VPN access to remote clients that are connected through a public network such as the Internet.

Step-by-Step Procedure The following example requires you to navigate various levels in the configuration hierarchy. To configure remote user authentication and address assignment: Create the address assignment pool. Results From configuration mode, confirm your configuration by entering the show access command. Configuring the VPN Tunnel CLI Quick Configuration Step-by-Step Procedure Results CLI Quick Configuration To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode.

Results From configuration mode, confirm your configuration by entering the show security ike , show security ipsec , show security policies , and show security zones commands. Associate the Dynamic VPN with Remote Clients CLI Quick Configuration Step-by-Step Procedure Results CLI Quick Configuration To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode.

Results From configuration mode, confirm your configuration by entering the show security dynamic-vpn command. Action From operational mode, enter the show security ike security-associations command. Action From operational mode, enter the show security ike active-peer command. Action From operational mode, enter the show security ipsec security-associations command. Verifying Concurrent Connections and Parameters for Each User Purpose Action Purpose Verify the number of concurrent connections and the negotiated parameters for each user.

Action From operational mode, enter the show security dynamic-vpn users command. Example: Configuring Local Authentication and Address Pool This example shows how to create an address pool and how to assign client IP addresses in an access profile.

Overview This example creates an address pool xauth1 that consists of the IP addresses in the The dvpn-auth access profile configures two clients: jason: The IP address Configuration Procedure CLI Quick Configuration Step-by-Step Procedure Results CLI Quick Configuration To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode.

To configure an address pool and an access profile that uses the address pool: Create the address pool. Verification To confirm that the configuration is working properly, perform these tasks: Verifying Address Assignment Purpose Action Purpose Verify address assignment. Action From operational mode, enter the show network-access address-assignment pool command.

This profile is the default profile for Web authentication. Results From configuration mode, confirm your configuration by entering the show security ike , show security ipsec , show security policies , show security zones , and show security dynamic-vpn commands.

Overview The following example shows the configuration for two remote dynamic VPN users. To configure the XAuth profile: Configure the access profile. Configuring Client 1 CLI Quick Configuration Step-by-Step Procedure Results CLI Quick Configuration To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode.

Configuring Client 2 CLI Quick Configuration Step-by-Step Procedure Results CLI Quick Configuration To quickly configure this example, copy the following commands, paste them into a text file, remove any line breaks, change any details necessary to match your network configuration, copy and paste the commands into the CLI at the [edit] hierarchy level, and then enter commit from configuration mode. IP address pool. Addresses: XAuth profile. IKE policy Phase 1.

IKE gateway Phase 1. IPsec policy Phase 2. Proposal set: standard. IKE gateway reference: dyn-vpn-local-gw IPsec policy reference: ipsec-dyn-vpn-policy. Security policy permits traffic from the untrust zone to the trust zone. Match criteria: source address any destination address any application any Permit action: tunnel ipsec-vpn dyn-vpn. Host inbound traffic.

Access profile for remote clients. Access profile reference: dyn-vpn-access-profile. Remote clients. Click Here to download Java. You will need the Firefox web browser. Click Here to download Firefox. Make sure that you have a password set for the root user. If not, run the command "sudo passwd" to set one. If you are using Fedora, run the command "sudo yum install xterm" to install a necessary dependency. If you are using Ubuntu, this step is unnecessary.

Open Firefox and type "vpn. A Security Warning box may pop up and ask if you want to run the application. Make sure the "Always trust content from this publisher. A Setup Control Warning box may pop up and ask if you want to download, install, and execute software with the product name "Host Checker".

You should now be at the VPN login screen.