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Juniper Networks Secure Access SSL VPN appliances provide a complete range of remote access appliances for the smallest companies up to the largest service providers. As a system administrator or security professional, this comprehensive configuration guide will allow you to configure these appliances to allow remote and mobile access for employees... |
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Juniper Networks Secure Access SSL VPN appliances provide a complete range of remote access appliances for the smallest companies up to the largest service providers. As a system administrator or security professional, this comprehensive configuration guide will allow you to configure these appliances to allow remote and mobile access for employees... |
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A comprehensive overview of SSL VPN technologies and design strategies Understand how SSL VPN technology works Evaluate how SSL VPN could fit into your organisation?s security strategy Practical advice on educating users, integrating legacy systems, and eliminating security loopholes Written by experienced SSL VPN and data security professionals In Detail Virtual Private Networks (VPNs) provide remote workers with secure access to their company network via the internet by encrypting all data sent between the company network and the user?s machine (the client)... |
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Deep insight on the Juniper SSL VPN, presented by Kevin Peterson, Sr. Product Manager at Juniper Networks.Kindle blogs are fully downloaded onto your Kindle so you can read them even when you're not wirelessly connected... |
Ssl Vpn
There are many SSL Certification Authorities browser-based security for Intra-Organizational Security. As companies increasingly more decentralized, are with employees throughout the country and around the world. This represents a challenge for network managers - how to their networks accessible to staff and maintain reliable security measures. Network administrators create virtual private networks to accomplish this task. Basically VPN allows you to make the Internet into your corporate network. Using encryption, VPN connections are protected cons users outside the protection of data and allow the use, secure remote important applications. Certificates Help protect SSL VPN connections in the simplest.
SSL certificates are based on SSL (Secure Sockets Layer). SSL is a protocol for management Security in transmission of messages over the Internet. The SSL standard is not a single protocol, but rather a set of accepted data transfer routines which are designed to protect the integrity of messages. SSL relies on certificates - digital identification - and keys. The certificates include the name of the stamps authority certificate that issued the certificate, the name of the entity that issued the certificate, public key of the entity, and indicate the time the certificate expires. Certificates SSL virtual private networks or Intranets has the same purpose as Internet SSL - make communication between a server and a secure browser and certain.
So if you have a large employee base spreading everywhere, you should consider SSL Certificates like a good way to ensure internal communication. The SSL VPN can be a good choice for schools libraries and public kiosks where trust can be a problem of easy access, but equally important. Applications include Web-based e-mail business and government directories, databases for educational institutions, file sharing, backup remote management remote system and consumer E-commerce level.
http://www.sslgenie.com SSLGenie (Global Certification Authority) is a leading Internet security expert and provides E-commerce Security Solutions. It offers Flash SSLGenie and Premium SSLGenie which cater to all kinds of industry segments. Flash SSLGenie is the entry level domain validated certificate, while Premium SSLGenie refers to the high assurance, high warranty, and the complete business validated certificate.
How to install a VPN server on Windows 2003?
I went through Routing and Remote Access - Done what I need to enable a port on my router? I enabled the SSL and CA do not really want my server to dead meat in the process.
How to install and activate a VPN server for installed and enable a VPN server, follow these steps: 1.Click Start, point to Administrative Tools, then click Routing and Remote Access. 2.Click icon server that matches the local server name in the left pane of the console. If the icon is a red circle in the lower left corner, the Routing and Remote Access has not been activated. If the icon has a green arrow pointing up in the lower left corner, the Routing and Remote Access has been activated. If the Routing and Remote Access is activated in advance, you may want to reconfigure the server. To reconfigure the server: a. Click Object server, then click Disable Routing and Remote Access. Click Yes to continue when you receive an informational message. B. Click the server icon, then click Configure and Enable Routing and Remote Access to start the Routing and Remote Access Configuration Wizard. Click Next to continue. C. Click Remote access (dial-up or VPN) to enable remote computers to call or to connect the network via the Internet. Click Next to continue. 3.Click to select VPN or Dial-up, as the role it intends to assign to this server. 4.In the VPN Connection window, click the network interface that is connected to the Internet, then click Next. 5.In the IP Assignment window, click Automatically if a DHCP server used to assign addresses to remote clients, or click from a specified range of addresses if customers remote should not receive an address from a predefined set. In most cases, the DHCP option is simpler to administer. However, if DHCP is not available, you must specify a range of static addresses. Click Click Next to continue. 6.Si clicked from a address range specified address range Assignment dialog box opens. Click New. Enter the IP address in the address range for use in the area Start IP address. Enter the last IP address in the IP address range in the End box. Windows calculates the number of addresses automatically. Click OK to return to the main window of the Address Assignment. Click Next to continue. 7.Accept the default No, use Routing and Access remote to authenticate connection requests, and then click Next to continue. Click Finish to enable routing and remote access Click, and configure the server as remote access server. Topback Back to top How to configure the VPN server to configure the VPN server also need to follow these steps. How To configure the remote access server as a router for remote access server to route traffic correctly in the network must be configured as a router with static routes or routing protocols so that all intranet locations are reachable from 2.Right remote access server. To configure the server as a router: 1.Click Start, point to Administrative Tools, then click Routing and Remote Access. click on name server and then click Properties. 3.Click the General tab and then click to select router Enable this computer as a. 4.Click LAN and demand routing line, and then click OK to close the Properties dialog box. How to change the number of simultaneous connections, the number of dial-up modem depends on the number of modems installed on the server. For example, if only one modem installed on the server can not have a modem connection at a time. The number of dial-up VPN depends on the number of simultaneous users want to allow. By default, when you run the procedure described in this article, 128 connections are allowed. To change the number of simultaneous connections, follow these steps: 1.Click Start, point to Administrative Tools, then click Routing and Remote Access. 2.Double-click the server object, right click Ports and then click Properties. 3.In the Properties dialog box port, click WAN Miniport (PPTP), and then click Configure. 4.In Maximum ports, type the number you want to allow VPN connections. Routing 5.Click OK, click OK again and close access and distance. Management addresses name server and the VPN server must have IP addresses available to assign to the VPN server and the customer interface for the VPN virtual IP Control Protocol (IPCP) negotiation phase of the connection process. The IP address assigned to the VPN client is assigned the virtual interface of the VPN client. For Windows Server 2003 VPN servers based on IP addresses assigned to VPN clients are obtained via DHCP by default. You can also configure a static IP address. The VPN server must be configured with server name resolution, typically DNS and WINS server addresses to assign the VPN client during IPCP negotiation. How to manage online access configuration in properties on user accounts and remote access policies to manage access dial Networking and VPN connections. Note: By default, users are denied access to dial-up networking. Online access to user account To make account If you are a user to manage remote access based the user, follow these steps: 1.Click Start, point to Administrative Tools, then click Active Directory Users and Computers. 2.Right click the user account, then click Properties. 3.Click the Numbering tab. 4.Click Allow access to grants allow the user composing, click OK. Access by group membership If you manage remote access to a group, follow these steps: 1.Create a group whose Members are allowed to create VPN connections. 2.Click Start, point to Administrative Tools, then click Routing and Remote Access. 3.In console tree, expand Routing and Remote Access, expand the server name, then click Remote Access Policies. 4.Right click anywhere where in the right pane, select New, then click Remote Access. 5.Click Next, type the policy name, then click Next. VPN Virtual Private 6.Click access method to access, or click Dial to dial, then click Next. 7.Click Add, type the name of the group that created Step 1, and then click Next. 8.Follow the screen instructions to complete the wizard. If the VPN server already permits dial-up Remote Access service does not delete the default policy. Instead, they move so that is the last to be evaluated. How To configure a VPN connection from a client computer to configure a connection to a VPN, follow these steps. To configure a client to access VPN, follow these steps on the client: NOTE: There should be identified as a member of the Administrators group to follow these steps. NOTE: Because there are several versions of Microsoft Windows, the following steps may be different on your computer. If so, please the product documentation to complete these steps. 1.The client computer, confirm that the Internet connection is configured correctly. 2.Click Start, click Control Panel, then click Network Connections. Click Create a new connection under Network Tasks, then click Next. 3.Click connect to the network my company to create the dial-up connection. Click Next to continue. 4.Click VPN connection, then click Next. 5.Tapez a descriptive name for this connection in the Name box, then click Next. 6.Click not establish the initial connection if the computer is permanently connected to the Internet. If your computer connects to the Internet via an Internet service provider (ISP), click Automatically dial this initial connection, then click on the name of the ISP connection. Click Next. 7.Type IP address or the name of the VPN server computer (eg, use VPNServer.SampleDomain.com). Anyone 8.Click whether to allow any user who connects to the workstation have access to dial-up connection. Click My use only if you want this connection to be available Today only the registered user. Click Next. 9.Click Finish to save the connection. 10.Click Start, click Control Panel, then click Network Connections. Click 11.Double in the new connection. 12.Click Properties to configure additional options for the connection. To continue set options for the connection, follow these steps: • If you connect to a domain, click the Options tab and select Include Windows domain box to log on whether the application logon Windows Server 2003 domain information before attempting to connect. • If you wish to redial if the connection is interrupted line, click on the Options tab, then select the checkbox Redial if line is dropped. To use the connection, follow these steps: 1.Click Start, select Connect to, then click the new connection. 2.When currently without a connection Internet, Windows offers to connect to the Internet. 3.Si Internet connection is established, the VPN server prompts you to enter your username and password password. Enter your username and password, then click Connect. Network resources must be available for you in the same manner as it is connected directly to the network.NOTE: To disconnect the VPN, click the connection icon, then click Disconnect. Troubleshooting Troubleshooting connection of remote access VPN can not establish a VPN remote access • Cause: The name of the client computer is the same as the name of a another computer on the network. Solution: Check the names of all computers on the network and the computers that connect to the computer network unique names. • Cause: The Routing and Remote Access service has not started on the VPN server. Solution: Check the status of the routing and service Remote access VPN server. Discover Windows Server 2003 Help and Support for more information about monitoring the Routing and Remote Access and how start and stop the Routing and Remote Access. Click Start to access the Windows Server 2003 Help and Support. • Cause: Access Remote not enabled in the solution at the VPN server.: Enable remote access on the VPN server. Discover Windows Server 2003 Help and Support for more information on how to enable the remote access server. Click Start to access the Windows Server 2003 Help and Support. • Cause: The PPTP or L2TP ports are not enabled solutions for remote access requests coming.: Enable PPTP or L2TP, or both, for remote access requests volume. Discover Windows Server 2003 Help and Support for more information on how to configure ports for remote access. Click Start to access to Windows Server 2003 Help and Support. • Cause: The LAN protocols used by VPN clients are not available for remote access solution on the VPN server.: Enable the LAN protocols used by VPN clients for remote access VPN server. Discover Windows Server 2003 Help and Support for more information on the display server properties remote access. Click Start to access the Windows Server 2003 Help and Support. • Cause: All PPTP or L2TP VPN server are already used by customers connected remote access or dial routers. Solution: Make sure all the PPTP or L2TP VPN server are already being used. To do this, click Ports Routing and Remote Access. If the number of PPTP or L2TP ports allowed is too low, change the number of PPTP or L2TP ports to allow more concurrent connections. Discover Windows Server 2003 Help and Support for more information on how to add PPTP or L2TP. Click Start to access the Windows Server 2003 Help and Support. • Cause: The VPN server does not support the tunneling protocol of the VPN client. By default, Windows Server 2003, remote access VPN clients use automatic option type server, which means trying to establish a protocol L2TP over IPSec VPN connection first, then try to establish a PPTP based VPN connection. If VPN clients use the point-to-Point Tunneling Protocol (PPTP) or Layer-2 Tunneling Protocol (L2TP) option type of server, verify that the selected tunneling protocol is compatible with the VPN server. By default, a computer running Windows Server 2003 Server and the Routing and Remote Access is a PPTP and L2TP server with five L2TP ports and five PPTP ports. To create a PPTP-only server, set the number of L2TP ports to zero. To create a server that only L2TP, specify the number of PPTP ports to zero. Solution: Verify that the appropriate number of PPTP or L2TP ports is configured. See Using Windows Server 2003 and support for more information on how to add PPTP or L2TP. Click Start to access the Windows Server 2003 Help and Support. • Cause: The VPN client and VPN server with a remote access policy are not configured to use at least one common authentication method. Solution: Configure the VPN client and VPN server with a remote access policy for their use at least one common authentication method. Discover Windows Server 2003 Help and Support for more information on how to configure authentication. Click Start to access the Windows Server 2003 Help and Support. • Cause: The VPN client and VPN server with a remote access policy are not configured to use at least one common encryption method. Solution: Configure the VPN client and VPN server in conjunction with a remote access policy to use at least one common encryption method. Discover Windows Server 2003 Help and Support For more technical information about configuring encryption. Click Start to access the Windows Server 2003 Help and Support. • Cause: VPN Connection does not have appropriate permissions through dial-in properties user account and remote access policies. Solution: Check the VPN connection has the appropriate permissions through dial-in user account properties and remote access policies. For connection to be established, the configuration of the connection attempt must: • Comply with all conditions for at least one remote access policy. • Get the remote access permission through the account User (set to Allow access) or via the user account (set to Control access through remote access) and permission to access distance corresponding to the policy remote access (set to Grant Access Permission remote). • Match the profile settings. • Match the Setup dial-in user account properties. Learn Windows Server 2003 Help and Support for the introduction of access policies remotely, and for more information on how to accept a connection attempt. Click Start to access the Windows Server 2003 Help and Support Center. • Cause: The profile settings of conflict remote access policy with properties of the VPN server. Profile properties of remote access and VPN server properties contain settings for: • Multi-links. • Protocol Bandwidth Allocation (BAP). • Authentication Protocols. If the profile configuration conflicts matching remote access policy to configure the VPN server reject the connection attempt. For example, if the mail profile remote access strategy indicates the Extensible Authentication Protocol - Transport Layer Security (EAP-TLS) authentication protocol to be used and EAP is not enabled on the VPN server rejected the connection attempt. Solution: Check the profile settings of the remote access does not conflict with the properties VPN server. Discover Windows Server 2003 Help and Support for more information on obtaining information Additional information about Multilink, BAP and authentication protocols. Click Start to access the Windows Server 2003 Help and Support. • Cause: The router's response can not validate the information Identification of the call (router username, password and domain name). Solution: Check the credentials of the VPN client (user name, password and domain name) are correct and can be validated by the VPN server. • Cause: There are enough addresses in the pool of static IP addresses. Solution: If the VPN server is configured with a pool of static IP addresses, verify that there are enough addresses in the pool. If all addresses in Statistics have been allocated to connected VPN clients, the VPN server can not assign an IP address, and reject the connection attempt. If all addresses in the static were allocated, modify the pool. Discover Windows Server 2003 Help and Support for more information on TCP / IP and Dial, and how to create a static IP address group. Click Start to access the Windows Server 2003 Help and Support. • Cause: The VPN client is configured to request its own IPX node number and the VPN server is not configured to allow IPX clients to request their own IPX node number. Solution: Configure the server VPN to allow IPX clients to request their own IPX node number. Discover Windows Server 2003 Help and Support for more information about IPX and access remote. Click Start to access the Windows Server 2003 Help and Support. • Cause: The VPN server is configured with a range of network numbers IPX that are used in other parts of the IPX network. Solution: Configure the VPN server with a range of IPX network numbers that is unique IPX network. Discover Windows Server 2003 Help and Support Technician for more information about IPX and remote access. Click Start to access the Windows Server 2003 Help and support. • Cause: The authentication provider of the VPN server is configured correctly. Solution: Check the configuration of the authentication provider. You can configure the VPN Using Windows Server 2003 or Remote Authentication Dial-In User Service (RADIUS) to authenticate the credentials of the client VPN. Discover Windows Server 2003 Help and Support For more information about authentication and accounting providers, and how to use RADIUS authentication. Click Start to access Windows Server 2003 Help and Support. • Cause: The VPN server can not access Active Directory. Solution: For a VPN server that is a member server in a mixed mode to native mode or Windows 2003 Server domain authentication is configured for Windows Server 2003, verify that: • The RAS and IAS Servers security group exists. Otherwise, create the group and set the group type to Security and the scope Group on Local Area. • The RAS and IAS Servers security group has read permission on the RAS and IAS Servers Access Check object. • Equipment the VPN server computer account is a member of the RAS and IAS Servers security group. You can use the netsh ras show registeredserver to see the registration common. You can use the netsh ras add registeredserver to register the server in a specified domain. If you add (or remove) the server computer VPN for RAS and IAS Servers security group, the change does not take effect immediately (due to the way Windows Server 2003 caches information Active Directory). A change that takes effect immediately, restart the VPN server computer. • The VPN server is a domain member. Learn Windows Server 2003 Help and Support For more information on how to add a group, how to check the permissions for the security group RAS and IAS, and netsh commands for remote access. Click Start to access the Windows Server 2003 Help and Support. • Cause: Windows NT 4.0 VPN server can not validate connection requests. Solution: If VPN clients are composing a VPN server running Windows NT 4.0 that is a member of a Windows Server 2003 mixed mode, verify that the Everyone group is added to the pre-Windows 2000 Compatible Access group with the following command: "localgroup Net pre-Windows 2000 Compatible Access "" If not, type the following command at a command prompt on a domain controller, then restart the computer DC: net localgroup "pre-Windows 2000 Compatible Access" everyone / add See Windows Server 2003 Help and Support for more information Windows NT 4.0 remote access server in a Windows Server 2003. Click Start to access the Windows Server 2003 Help and Support. • Cause: The VPN server can not communicate with the configured RADIUS server. Solution: If you can reach RADIUS server via the Internet interface, do one the following: • Adding an input filter and an output filter to the Internet interface for UDP port 1812 (based on RFC 2138, "Remote Authentication Dial-In User Service (RADIUS) ").-OR-• Add an input filter and an output filter to the Internet interface for UDP port 1645 (for older RADIUS servers) for RADIUS authentication and UDP port 1813 (according to RFC 2139, "RADIUS Accounting"). -or-•-o -- Add an input filter and an output filter to the Internet interface for UDP port 1646 (for older RADIUS servers) for RADIUS accounting. Discover Windows Server 2003 Help and Support For more information on how to add a packet filter. Click Start to access the Windows 2003 server Help and Support. • Cause: Unable to connect to the VPN server via the Internet using the Ping.exe utility. Solution: Because of the PPTP and L2TP over filtering IPSec packet that is configured in the web interface of the VPN server, Internet Control Message Protocol (ICMP) packets used by the ping command are filtered. For enable the VPN server to respond to ICMP (ping) add an input filter and an output filter that allow traffic for IP protocol 1 (ICMP traffic). Discover Windows Server 2003 Help and Support for more information on how to add a packet filter. Click Start to access the Windows Server 2003 Help and Support. Unable send and receive data • Cause: If the application interface line is not added to the protocol being routed. Solution: Add the appropriate demand dial interface protocol being routed. Discover Windows Server 2003 Help and Support for more information on how to add a routing interface. Click Click Start to access the Windows Server 2003 Help and Support Center. • Cause: All roads on both sides of the router VPN router that supports two-way exchange of traffic. Solution: Unlike a remote access VPN connection from a router to router VPN connection does not automatically create a default route. Create routes on both sides of the router to router VPN connection so that traffic can be routed to and from the other side of the router to router VPN connection. You can add static routes to the table routing, or you can add static routes through routing protocols. For persistent VPN connections that can enable Open Shortest Path First (OSPF) or Routing Information Protocol (RIP) across the VPN connection. Because VPN connections on demand, you can automatically update routes through an auto-static RIP update. Discover Windows Server 2003 for more information on how to add an IP routing protocol, how to add a static route and how to perform automatic updates static. Click Start to access the Windows Server 2003 Help and Support. • Cause: A two-way initiated, the answering router as a remote access connection is interpreting router-router VPN connection. Solution: If the user name credentials of the calling router appears under Dial customers Routing and Remote Access, the answering router may interpret the router call is a remote access client. Verify that the name identifying the calling router is the name of an online interface on the answering router. If the incoming caller is a router, the port on which the call was received indicating the status of assets and the corresponding application dial interface is in a connected state. Discover Windows Server 2003 for more information on how to check the status of the port on the router response, and how to check the status of the access interface. Click Start to access the server and Windows 2003 Help support. • Cause: Packet filters on the demand for interfaces marking the calling router and responds preventing the flow of traffic. Solution: Check there are no packet filters on the demand-dial interfaces of the calling router and answering to prevent sending or receiving traffic. You can configure each connection interface with IP and IPX filters input and output to control the exact nature of TCP / IP and IPX allowed to enter and leave the dial interface. Discover Windows Server 2003 for more information on how to manage filters packet. Click Start to access the Windows Server 2003 Help and Support. • Cause: Packet filters on the profile of the remote access policy preventing the flow of IP traffic. Solution: Make sure you have configured TCP / IP packet filters on the profile properties of strategies Remote Access VPN on the server (or RADIUS server by using Internet Authentication Service) to prevent the sending or receiving of TCP / IP traffic. You can use remote access policies to configure TCP / IP input and output packet filters that control the exact nature of traffic TCP / IP allows the VPN connection. Verify that the profile TCP / IP packet filters do not impede traffic flow. Discover Windows Server 2003 for more information on how to configure IP options. Click Start to access the Windows Server 2003 Help and Support.


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