Question about Linksys -Cisco Wireless-G VPN Broadband Router [ WRV54G ] (107013)

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I have Timewarner cable and can't set up a vpn so that a client can connect into my Lynksys vpn router. Is it possible that the firewall in the TW router is blocking a client or that maybe I need a static IP address.

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No you need not buy a static address... just forward these ports in linksys router...
50 both TCP and UDP 51 both TCP and UDP 500 both TCP and UDP 10000 both TCP and UDP 1723 both TCP and UDP 1701 both TCP and UDP
also disable firewall in linksys router....

Posted on May 10, 2010

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Hello. It appears my router is blocking VPN access to the office server. I can connect using the ethernet cable so have isolated the problem to the router firewall. How do I get around this? Thanks


Hi
I will make a couple of assumptions on you setup. First, you have some type of highspeed internet. You have a retail type router/firewall plugged into your internet modem. You are using a VPN Client software installed on a PC or Laptop. By stating that when you connected using your Ethernet cable, you were plugged directly into the Internet modem.

Basically, what you have here is a configuration issue with your Router/Firewall. I use the Cisco VPN Client Software from home. This software uses UDP over TCP port 10000. Your VPN Client will use something along this line as well. So, you need to do one of two things here. Determine what Protocol and Port your VPN software uses. Login into you Router/Firewall and add that to your outbound allowed traffic. Or login into your Router/Firewall and configure it to allow all outbound traffic.

If you are not sure how to do this, the documentation that came with your Router should contain a Tech Support number to call. They can walk you through this in short order. Otherwise, post your EXACT make and model of your Router/Firewall and I will try to get the information for you.

Hope this helps.
Brian

Jun 30, 2010 | Linksys Computers & Internet

1 Answer

Can I establish a VPN Client Access with the motorola wr850g router. The ones at the college being used , routers that is, are Lynksys and are new ... AM in a rut here !!!!


you should but the question is: are you are authorized?
my understanding is that vpn connections usually required a client and you definitely need authorization configured on both ends.

attempt to configure the client in xp as explained here
consult with the adminstrator of your vpn lan site if there are any port forwarding that you may need to configure on your router.

good luck!

Mar 26, 2010 | Arris WR850G Router (DHWR850G)

1 Answer

VPN connection - Client cannot connect


Hi mwells960

Theres alot of differnet things i could ask you, but im going to assume you're jsut setting up a basic VPN. That means that somebody is telecommuting to work and wants to hit the server at work.

That means you have a static ip at work, and your at home workers has whatever, a internet connection lets say. Im thinking DSL with ATT since its a netopia 3347N.

If the netopia has a gui interface, you cant vpn thru it. Its not a VPN router. Its a residential router that you're trying to make do too much.

The sad news is, you can't upgrade it to an Enterprise having firmware router anymore, netopia use to offer that, but when Motorolla bought them out last year, they did away with that nice little feature. For true VPN'ing with a router, first, go get a VPN router to start with.

Most people accomplish what you are doing by putting the netopia in to bridegemode, and then putting a VPN router like a linksys behind it.

spin

.

Apr 15, 2009 | Netopia (3347NWG-ENT) Router (3347NWGENT)

1 Answer

VPN tunnel between two DLINK VPN DIR-130


- Logon to the configuration page of your D-Link.
- Go to Advanced tab
- And Click on Firewall Settings on the left side
- Under that look for Application Gateway Level at the bottom and you must uncheck at the box on it and click on save settings at the top.

Mar 02, 2009 | D-Link (DIR-130) Router

1 Answer

Can't connect to AT&T VPN


as you told me that all the ports are open so in that case you can get in touch with your ISP and ask them to enable IPPASSTHROUGH on your office laptop.

Jan 17, 2009 | Zoom ComStar 56K 2818 Modem

1 Answer

I have a Surfboard SBG900 router and cannot connect to VPN


The issue you have is not due to enabling WPA. It is due to enabling Firewall protection. Either turnoff firewall or use custom option to enable required ports.

Nov 26, 2008 | Arris SURFboard SBG900 Wireless Router...

1 Answer

Router is blocking my VPN client


I have the same problem with the Cisco VPN client, but when I turn the firewall off on the SBG900 it works fine.

Feb 20, 2008 | Arris SURFboard SBG900 Wireless Router...

2 Answers

DI 524 Router Not able to connect to office VPN on Wireless


I have the same model router at home, just checked the settings, you should be able to pass through the router with a normal vpn connection.

If you use a special VPN client, like a CheckPoint Secure VPN client, the router might block it. Also you might want to ask your office's sys admin if you are not blocked by the firewall or something similar. Your office's sys admin will prolly solve your problem since he knows your work network's configuration and setup and how to connect to it.

Nov 08, 2007 | D-Link AirPlus DI-524 Wireless Router

1 Answer

VPN


the following is from a nice guide i found on the net, see if it works for you: First thing to check is whether your router has any settings for PPTP or IPsec "pass through". These are commonly found in Linksys routers but you may have to hunt around for them on other makes. All you need to do is enable the setting for the VPN protocol that you're using, reboot your router and, if you're lucky, the VPN connection will come right up. Note: Not all routers have these enables and the lack of them doesn't necessarily mean that you can't get VPN working. Open up that Firewall Still no connection? The next step is to try opening some ports in your router's firewall to get your VPN connection made. In each case, you'll need to open the specific ports (and protocol) to the IP address of the computer that you're running the VPN client on. NOTE that port mappings work with only one computer at a time. If you have multiple VPN clients that you need to connect, your router will have to support the VPN protocol that you're using without requiring ports opened. If you're using Microsoft's PPTP protocol, TCP port 1723 is the port you'll need to forward to allow PPTP control traffic to pass. Figure 2 shows the Forwarding screen on a Linksys BEFSR41 set to forward this port to a client with IP address 192.168.5.100. PPTP also needs IP protocol 47 (Generic Routing Encapsulation) for the VPN data traffic itself, but note that this is a required protocol, not a port. The ability to handle this protocol must be built into the router's NAT "engine"?which is true of most present-generation routers. IPsec-based VPN's need UDP port 500 opened for ISAKMP key negotiations, IP protocol 51 for Authentication Header traffic (not always used), and IP protocol 50 for the "encapsulated data itself. Again, the only "forwardable" item here is UDP port 500, which is also shown programmed in Figure 2 to the same LAN client machine?protocols 50 and 51 must be built into your router. Tip: Not all routers are created equal! Some allow only one VPN tunnel to be opened and used by a single client. Others support multiple tunnels, but with one client per tunnel. Unfortunately, most vendors don't make the VPN pass through capabilities of their products clear in their documentation, nor do they have support staff properly trained to provide this information either. In most cases, your only option is to try a router in your specific application, and make sure you can return it and get your money back if you can't get it working. Still not Working? Getting many IPsec-based VPN setups working can be a black art due to the wide variation in techniques used by various vendors. Although IPsec products have become more uniform as the technology matures, your company may use older, more proprietary products that may not be configured with NAT in mind, or require additional ports to be opened in your firewall.

Feb 19, 2006 | Microsoft MN-700 Wireless Router

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