Cannot connect the the VPN-Server

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cdw90
Posts: 2
Joined: Tue Mar 25, 2014 5:15 pm

Cannot connect the the VPN-Server

Post by cdw90 » Tue Mar 25, 2014 5:28 pm

Hello,

some days ago I installed the Softether VPN Server on my raspberry pi which is running Raspbian. I want to use VPN Server for remote access into the lan at home.
I connect usually with 2 devices, one is my android smartphone and the second a thinkpad with Windows 7.
Both connect with password authorization via l2tp/ipsec.
I use dyndns due to variable ip and ports 443, 500, 1701 and 4500 are forwarded to the raspberry pi.
I use local bridge to the physical ethernet port of the pi.

Remote connection to the VPN works fine. I can surf through the internet and reach the local devices in the lan (e.g. lan-printer or computers).

All devices into my lan have 192.168.1.0/24 adresses and the devices connected via VPN also get 192.168.1.0/24 from the DHCP of my router.

PROBLEM: I can't connect/ping to the raspberry pi itself.

SecureNat ist turned off, it causes heavy load on the raspberry and didn't fix my problem. (Maybe due to wrong configuration?)

qupfer
Posts: 202
Joined: Wed Jul 10, 2013 2:07 pm

Re: Cannot connect the the VPN-Server

Post by qupfer » Tue Mar 25, 2014 5:35 pm

RTFM ;)
Specially chapter 3.6.11 and take a closer look at the fith point of this chapter.

You will find the manual here:
https://www.softether.org/4-docs/1-manu ... ver_Manual

cdw90
Posts: 2
Joined: Tue Mar 25, 2014 5:15 pm

Re: Cannot connect the the VPN-Server

Post by cdw90 » Tue Mar 25, 2014 7:37 pm

Thank you for the answer.

I read 3.6.11. The soluation for me problem is to use 2 networkadapters?!
That's not possible with the raspberry pi.

Could I use a tap-adapter instead?

qupfer
Posts: 202
Joined: Wed Jul 10, 2013 2:07 pm

Re: Cannot connect the the VPN-Server

Post by qupfer » Wed Mar 26, 2014 12:17 pm

cdw90 wrote:
> That's not possible with the raspberry pi.
With a usb ethernet/wifi adapter it should work...but yes, not very smart.


> Could I use a tap-adapter instead?
In combination with iptables, there should be possibilities. But never tried, so I can't help. Maybe a simple additional ssh-connection is enought?

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