[Swan] ike and esp notation

Paul Wouters paul at nohats.ca
Thu Nov 12 14:04:07 UTC 2020


It is correct but since those algorithms are in the default set, you can just leave out both lines

Sent from my iPhone

> On Nov 12, 2020, at 09:00, armin.vehr at mmlab.de wrote:
> 
> Hi List!
> 
> I was tasked to set up a site-to-site VPN to a supplier site and decided to use LibreSwan.
> 
> My platform is CentOS 8.2.2004, LibreSwan is version 3.29-7.
> 
> The remote peer operator sent me the following encryption details but I didn't find according IKE or ESP cipher/algorithm settings in the list of supported settings at
> 
> https://libreswan.org/wiki/FAQ > Which ciphers / algorithms does libreswan support?
> 
> I have to use:
> 
> Phase1
> ======
> - Encryption Algorithm AES-256
> - Hash SHA512
> - Diffie-Hellman 14
> 
> Phase2
> ======
> - ESP Encryption AES-256
> - Hash SHA512
> - Diffie-Hellman 14
> 
> I added the following parameters to my ipsec.conf and wonder if they are supported and if the notation is correct:
> 
> ike=aes256-sha512;dh14
> esp=aes256-sha512;dh14
> 
> Can anybody confirm if they are correct?
> 
> Thank you very much!
> 
> Best regards
> Armin
> 
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