How to establish a l2tp vpn connection?

[Stan Schymanski]

Hi Torsten,

I just tried openconnect, but it gets stuck at `DTLS handshake failed: 
Resource temporarily unavailable, try again.`

Need to go to bed, leaving for Lausanne at 5:30am tomorrow...

Thanks for your help!

Cheers

Stan


On 05/03/2017 11:12 PM, Mähne Torsten wrote:
> Dear Stan,
>
>> Am 03.05.2017 um 22:56 schrieb Stan Schymanski 
>> <stanislaus.schymanski at sdsc.ethz.ch 
>> <mailto:stanislaus.schymanski at sdsc.ethz.ch>>:
>>
>> Hi Torsten,
>>
>> If I understand correctly, vpnc-connect also asks for a group name 
>> and group password, which EPFL did not provide to me. All I have is 
>> the l2tp server name and a "shared secret". My colleague can connect 
>> without problems on his mac, so I don't understand what I'm doing wrong.
>>
> Indeed, the configuration details around the shared password were 
> always needed and could be obtained from the password-protected 
> Intranet pages of EPFL. The link I send you also mentions openconnect 
> to be compatible with their Cisco Anyconnect VPN servers, which is 
> packaged for Debian:
>
> https://packages.debian.org/jessie/openconnect
>
> There’s also a GUI <https://openconnect.github.io/openconnect-gui/>.
>
> Maybe that is worth a try.
>>
>> Cheers
>>
>> Stan
>>
> Regards,
>
> Torsten
>
>> On 05/03/2017 04:39 PM, Mähne Torsten wrote:
>>> Hello Stan,
>>>
>>>> Am 03.05.2017 um 16:24 schrieb Stan Schymanski 
>>>> <stanislaus.schymanski at sdsc.ethz.ch 
>>>> <mailto:stanislaus.schymanski at sdsc.ethz.ch>>:
>>>>
>>>> Thanks, Torsten!
>>>>
>>>> A few years ago, I tried a similar anyconnect installer script from 
>>>> ETH and it screwed up other vpn connections I had working, so I 
>>>> wanted to avoid this, as I now have a working ETH vpn connection, 
>>>> which I need to keep. As an alternative to the installer script, 
>>>> the ETH web site gives clear instructions how to connect to vpn 
>>>> manually through the network manager from linux, which worked very 
>>>> well. EPFL only has the installer script and the l2tp way, so I 
>>>> would like to use l2tp instead of the installer script if possible. 
>>>> Unfortunately, the network manager does not seem to have this 
>>>> capability.
>>>>
>>>
>>> yes, anyconnect was a huge pain already back then. Even though, they 
>>> did not advertise it, vpnc-connect continued to work very well, so 
>>> that I switched back. Unfortunately, I don’t have anymore a backup 
>>> around of my vpnc.conf from that time.
>>>>
>>>> Cheers
>>>>
>>>> Stan
>>>>
>>> Regards,
>>>
>>> Torsten
>>>>
>>>> On 05/03/2017 02:55 PM, Mähne Torsten wrote:
>>>>>
>>>>> Hello Stan,
>>>>>
>>>>>> Am 03.05.2017 um 14:43 schrieb Stan Schymanski 
>>>>>> <stanislaus.schymanski at sdsc.ethz.ch 
>>>>>> <mailto:stanislaus.schymanski at sdsc.ethz.ch>>:
>>>>>>
>>>>>> I need to connect to a l2tp vpn at EPFL, using a shared secret. I 
>>>>>> haven't found a way to do this from Linux so far, and most of the 
>>>>>> discussion threads I found pointed to strongswan. Do you know a 
>>>>>> better way?
>>>>>>
>>>>> Did you read the information provided by EPFL?
>>>>>
>>>>> http://epnet.epfl.ch/Remote-Internet-Access
>>>>>
>>>>> When I was working at EPFL, I personally used vpnc as described in 
>>>>> <http://flashinformatique.epfl.ch/IMG/pdf/5-4-page3.pdf>
>>>>>
>>>>> However, that might not work anymore (last used in 2011).
>>>>>>
>>>>>> Cheers
>>>>>>
>>>>>> Stan
>>>>>>
>>>>>
>>>>> Regards,
>>>>>
>>>>> Torsten
>>>>>
>>>>>
>>>>>> On 05/01/2017 01:15 PM, Daniel Baumann wrote:
>>>>>>> Hi Stan,
>>>>>>>
>>>>>>> just out of curiosity..
>>>>>>>
>>>>>>> On 04/20/2017 12:06 PM, Stan Schymanski wrote:
>>>>>>>> Update: This sounds promising, but not sure if it would work in
>>>>>>>> Progress:https://github.com/seriyps/NetworkManager-l2tp/wiki
>>>>>>> where are you using this? i always perceived strongswan to be rather
>>>>>>> niche, most people use either openvpn or one of the cisco vpns (vpnc,
>>>>>>> openconnect). all of these three variants are nicely supported with any
>>>>>>> linux system since years.
>>>>>>>
>>>>>>> Regards,
>>>>>>> Daniel
>>>>>>>
>>>>>>
>>>>>> -- 
>>>>>> ___________________________________________
>>>>>>
>>>>>> Dr. Stan Schymanski
>>>>>> Swiss Data Science Center
>>>>>> ETH Zürich
>>>>>> UNH, Universitätstrasse 25
>>>>>> 8006 Zürich
>>>>>> Schweiz
>>>>>>
>>>>>> Room: UNH G 5
>>>>>> Ph: +41 44 633 63 65
>>>>>> ___________________________________________
>>>>>> _______________________________________________
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>>>>>> https://lists.bfh.ch/listinfo/bfh-linux-users
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
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>>>>
>>>> -- 
>>>> ___________________________________________
>>>>
>>>> Dr. Stan Schymanski
>>>> Swiss Data Science Center
>>>> ETH Zürich
>>>> UNH, Universitätstrasse 25
>>>> 8006 Zürich
>>>> Schweiz
>>>>
>>>> Room: UNH G 5
>>>> Ph: +41 44 633 63 65
>>>> ___________________________________________
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>>
>> -- 
>> ___________________________________________
>>
>> Dr. Stan Schymanski
>> Swiss Data Science Center
>> ETH Zürich
>> UNH, Universitätstrasse 25
>> 8006 Zürich
>> Schweiz
>>
>> Room: UNH G 5
>> Ph: +41 44 633 63 65
>> ___________________________________________
>> _______________________________________________
>> bfh-linux-users mailing list
>> bfh-linux-users at lists.bfh.ch <mailto:bfh-linux-users at lists.bfh.ch>
>> https://lists.bfh.ch/listinfo/bfh-linux-users
>
>
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-- 
___________________________________________

Dr. Stan Schymanski
Swiss Data Science Center
ETH Zürich
UNH, Universitätstrasse 25
8006 Zürich
Schweiz

Room: UNH G 5
Ph: +41 44 633 63 65
___________________________________________

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