[strongSwan] [KNL] received netlink error: No such file or directory (2) - unable to add SAD entry with SPI

[Thomas Egerer]

Conrad, I only had a quick look at the log. Nothing suspicous so far.
However, I need the output of your /proc/crypto file to know what
crypto algorithms are supported by your kernel.

Cheers,
Thomas

On 12/27/2015 09:07 PM, Conrad Kostecki wrote:
> Hi Thomas!
> 
> Am 27.12.2015 um 20:19 schrieb Thomas Egerer:
>> Hello Conrad
>>
>> On 12/26/2015 01:55 PM, ck+strongswanusers at bl4ckb0x.de wrote:
>>> Hello!
>>> I am trying to setup StrongSwan on a new Gentoo server.
>>> My Lumia 950XL (Windows Phone 10) is the connecting device.
>>>
>>> The connection fails, because I am getting "Invalid payload received" on
>>> the client side.
>>>
>>> Debug Log: http://pastebin.com/huTE2PxY
>>> Config: http://pastebin.com/9q84N6ii
>> I suspect that one of the negotiated crypto algorithms for ESP is not
>> available in the kernel. According to your config this should be AES256
>> along with SHA1. It could however not hurt to turn up logging for cfg
>> faciliy to 2 in your ipsec.conf. Loglevel 3 or 4 for knl would give us
>> the exact netlink message which in this case would be much better.
>> Modify the appropriate ipsec.conf line as follows:
>>    charondebug="cfg 2, dmn 2, ike 2, net 2, lib 3, knl 4"
>> and run your test again. Then we can analyze the logs and see if this
>> gets us any further.
> 
> Thanks for the suggestion. I've modified it and created a new log file:
> http://pastebin.com/yJDiKfeg
> 
> AES256 and SHA1 are build in in my kernel, if I am not searching for the
> wrong options..
> 
> CONFIG_CRYPTO_SHA1=y
> CONFIG_CRYPTO_SHA1_SSSE3=y
> CONFIG_CRYPTO_SHA256_SSSE3=y
> CONFIG_CRYPTO_SHA512_SSSE3=y
> CONFIG_CRYPTO_SHA1_MB=y
> CONFIG_CRYPTO_SHA256=y
> CONFIG_CRYPTO_SHA512=y
> 
> CONFIG_CRYPTO_AES=y
> CONFIG_CRYPTO_AES_X86_64=y
> CONFIG_CRYPTO_AES_NI_INTEL=y
> 
> CONFIG_CRYPTO_HMAC=y
> 
> CONFIG_CRYPTO_CBC=y
> 
> Cheers
> Conrad
> 
> 
> 
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