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Re: [FW-1] Linksys & VPN-1



Some VPN solutions allow tunneling the IPSEC packets across UDP or TCP.

Cisco VPN, as one example, allows the user to tunnel IPSEC through either
UDP or TCP packets - just set the gateway appliance with a given port
(default is 10000) and you're running with a VPN solution that traverses
most firewalls (especially when using TCP) and carriers like Comcast can't
block (you could tunnel out port 80 or whatever is known open).

Does VPN-1 provide any capability to transparently tunnel IPSEC across
either TCP or UDP?

----- Original Message -----
From: "Scott Friedman" <[email protected]>
To: <[email protected]>
Sent: Monday, August 26, 2002 3:31 PM
Subject: Re: [FW-1] Linksys & VPN-1


> Also find out what kind of broadband connection he has.  I called
> Comcast and they informed me that they are blocking VPN's on their
> cable networks for Home users (the NON-Pro version).
>
> If they are, he will be able to get the topology of the site
> but won't be able to Key Exchange when it tries to encrypt.
>
> -----Original Message-----
> From: John Chalifoux [mailto:[email protected]]
> Sent: Monday, August 26, 2002 11:36 AM
> To: [email protected]
> Subject: Re: [FW-1] Linksys & VPN-1
>
>
> Have your user setup his PC in a DMZ on the Linksys router and than try it
> again. I think he might be getting a port blocked by the router and if he
> moves it to the DMZ and it works than you will have to find the port
number
> being blocked and setup forwarding on the router.
>
> John
>
> -----Original Message-----
> From: Mailing list for discussion of Firewall-1
> [mailto:[email protected]]On Behalf Of Stephan
> Dubeau
> Sent: Monday, August 26, 2002 10:00 AM
> To: [email protected]
> Subject: [FW-1] Linksys & VPN-1
>
> HI all
>
> I got a user trying to access the office from is home. He's behind a
Linksys
> router, the router gets is valid IP from is cable modem(ISP). The user
> computers behind the Linksys use 192.x.x.x address from the device DHCP.
>
> The home user also use SecureRemote to connect to the office FW-1/VPN-1
> Firewall 4.1 SP5. The authentification process goes find, I look at the
log,
> the user is log into FW...OK. User then try to browes thru different share
> on the internal network, try to start VNC to connect to is office
computer,
> but nothing work, no respond from the office internal network.
>
> The internal network base address is 10.1.x.x.
>
> Is there something I have to do on the FW-1 to give access to this user to
> our office internal ressource or does he need to configure something on is
> Linksys?
>
>
> Thanks
> Stephan Dubeau

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