Remote-access Guide

labsim 5.7.4 configure a remote access vpn

by Kameron Klein Published 3 years ago Updated 2 years ago
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How to set up a remote access VPN?

Using a web browser, open https://ravpn-address , where ravpn-address is the IP address or hostname of the outside interface on which you are allowing VPN connections. You identify this interface when you configure the remote access VPN. The system prompts the user to log in.

What is labsim?

LabSim is a flexible and cost-effective solution for IT education. With LabSim, students are able to gain practical knowledge and practice real-world skills anytime and anywhere. All they need is Internet access on a supported device. If they have any problem, our support staff is always ready to help.

How to set up remote access VPN on FDM?

Go through the Remote Access VPN Wizard on FDM as shown in the image. Create a connection profile and start the configuration as shown in the image. Select the authentication methods as shown in the image.

How do I enable DirectAccess and VPN (Ras) on a Windows Server?

Under Server Pool, select the local computer and select Next. On the Select server roles page, in Roles, select Remote Access, then Next. On the Select features page, select Next. On the Remote Access page, select Next. On the Select role service page, in Role services, select DirectAccess and VPN (RAS).

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How to view VPN configuration?

Click Device, then click View Configuration in the Site-to-Site VPN group.

Where does remote access VPN problem originate?

Remote access VPN connection issues can originate in the client or in the Firepower Threat Defense device configuration. The following topics cover the main troubleshooting problems you might encounter.

How to use a VPN on a computer?

Step 1. Using a web browser, open https://ravpn-address , where ravpn-address is the IP address or hostname of the outside interface on which you are allowing VPN connections. You identify this interface when you configure the remote access VPN. The system prompts the user to log in. Step 2.

How to complete a VPN connection?

To complete a VPN connection, your users must install the AnyConnect client software. You can use your existing software distribution methods to install the software directly. Or, you can have users install the AnyConnect client directly from the Firepower Threat Defense device.

How long is a VPN idle?

Idle Timeout —The length of time, in minutes, that the VPN connection can be idle before it is automatically closed, from 1-35791394. The default is 30 minutes. Browser Proxy During VPN Sessions —Whether proxies are used during a VPN session for Internet Explorer web browsers on Windows client devices.

What is remote access VPN?

In remote access VPN, you might want users on the remote networks to access the Internet through your device. However, because the remote users are entering your device on the same interface that faces the Internet (the outside interface), you need to bounce Internet traffic right back out of the outside interface. This technique is sometimes called hair pinning.

What is a VPN?

Remote Access virtual private network (VPN) allows individual users to connect to your network from a remote location using a computer or other supported iOS or Android device connected to the Internet. This allows mobile workers to connect from their home networks or a public Wi-Fi network, for example.

How to install Remote Access Role in VPN?

On the VPN server, in Server Manager, select Manage and select Add Roles and Features. The Add Roles and Features Wizard opens. On the Before you begin page, select Next.

How to start remote access?

Select Start service to start Remote Access. In the Remote Access MMC, right-click the VPN server, then select Properties. In Properties, select the Security tab and do: a. Select Authentication provider and select RADIUS Authentication.

How many Ethernet adapters are needed for VPN?

Install two Ethernet network adapters in the physical server. If you are installing the VPN server on a VM, you must create two External virtual switches, one for each physical network adapter; and then create two virtual network adapters for the VM, with each network adapter connected to one virtual switch.

What is NAS in a network?

A NAS is a device that provides some level of access to a larger network. A NAS using a RADIUS infrastructure is also a RADIUS client, sending connection requests and accounting messages to a RADIUS server for authentication, authorization, and accounting. Review the setting for Accounting provider: Table 1.

Can you assign a VPN to a pool?

Additionally, configure the server to assign addresses to VPN clients from a static address pool. You can feasibly assign addresses from either a pool or a DHCP server; however, using a DHCP server adds complexity to the design and delivers minimal benefits.

Can you use a VPN as a RADIUS client?

When you configure the NPS Server on your Organization/Corporate network, you will add this VPN Server as a RADIUS Client. During that configuration, you will use this same shared secret so that the NPS and VPN Servers can communicate. In Add RADIUS Server, review the default settings for: Time-out.

Required Resources

3 Routers (Cisco 4221 with Cisco XE Release 16.9.6 universal image or comparable with a Security Technology Package license) 2 Switches (Cisco 2960+ with Cisco IOS Release 15.2 (7) lanbasek9 image or comparable) 2 PCs (Windows OS with a terminal emulation program, such as PuTTY or Tera Term installed) Console cables to configure Cisco networking devices Ethernet cables as shown in the topology.

Instructions

In this part, set up the network topology and configure basic settings, such as interface IP addresses.

Reflection

1. Explain the importance of securing router access and monitoring network devices. Answers will vary but it should be clear after this lab that there are many potential vulnerabilities for routers that can be exploited. Securing these devices is a very important part of a network administrator’s job and the security policy of an organization.

Device Configs

R1# show run brief | exclude ! Building configuration… Current configuration : 1498 bytes version 16.9 service timestamps debug datetime msec service timestamps log datetime msec platform qfp utilization monitor load 80 no platform punt-keepalive disable-kernel-core hostname R1 boot-start-marker boot-end-marker no aaa new-model login on-success log subscriber templating multilink bundle-name authenticated spanning-tree extend system-id redundancy mode none interface GigabitEthernet0/0/0 ip address 10.1.1.1 255.255.255.252 negotiation auto interface GigabitEthernet0/0/1 ip address 192.168.1.1 255.255.255.0 negotiation auto router ospf 1 passive-interface GigabitEthernet0/0/1 network 10.1.1.0 0.0.0.3 area 0 network 192.168.1.0 0.0.0.255 area 0 ip forward-protocol nd no ip http server ip http secure-server control-plane line con 0 transport input none stopbits 1 line aux 0 stopbits 1 line vty 0 4 login end.

How to configure NAT exemption?

NAT exemption can be configured manually under Policies > NAT or it can be configured automatically by the wizard. Select the inside interface and the networks that Anyconnect clients will need to access as shown in the image.

How to add a VPN pool to anyconnect?

Navigate to Objects > Networks > Add new Network. Configure VPN Pool and LAN Networks from FDM GUI. Create a VPN Pool in order to be used for Local Address Assignment to AnyConnect Users as shown in the image.

How to debug webvpn?

If a user is having initial connectivity issues, enable debug webvpn anyconnect on the FTD and analyze the debug messages. De bugs must be run on the CLI of the FTD. Use the command debug webvpn anyconnect 255

How to add VPN users to FTD?

Navigate to Objects > Users > Add User. Add VPN Local users that will connect to FTD via Anyconnect. Create local Users as shown in the image.

What version of Firepower Threat Defense is RA VPN?

This document describes how to configure the deploying of Remote Access Virtual Private Network (RA VPN) on Firepower Threat Defense (FTD) managed by the on-box manager Firepower Device Manager (FDM) running version 6.5.0 and above.

Can I monitor AnyConnect users?

As of FDM 6.5.0 there is no way to monitor the Anyconnect users through the FDM GUI. The only option is to monitor the Anyconnect users via CLI. The CLI console of the FDM GUI can be used as well to verify users are connected.

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