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From: Dave Page <[email protected]>
To: Sven <[email protected]>
Cc: pgAdmin Support <[email protected]>
Cc: Akshay Joshi <[email protected]>
Subject: Re: SSH tunnel key exchange methods
Date: Fri, 27 Nov 2015 09:31:43 +0000
Message-ID: <CA+OCxozWb1AMK_mOOZo_QF1w5i=4bx=MoO=Q2UavPihZ54aWJA@mail.gmail.com> (raw)
In-Reply-To: <[email protected]>
References: <[email protected]>
List-Unsubscribe:  <mailto:[email protected]?body=unsub%20pgadmin-support>

On Fri, Nov 27, 2015 at 9:23 AM, Sven <[email protected]> wrote:
>> The key exchange methods offered when opening an SSH tunnel are all
>> SHA1 and therefore too weak:
>>
>> [sshd] fatal: Unable to negotiate with xxx.xxx.xxx.xxx: no matching
>> key exchange method found. Their offer:
>> diffie-hellman-group14-sha1,diffie-hellman-group-exchange-sha1,
>> diffie-hellman-group1-sha1 [preauth]
>
> Any news on this? If there's no easy way to add safer kexes, I suggest
> you disable the SSH feature altogether. SHA1 is dead and IMO nobody
> should trust a connection established with SHA1 kexes in order to talk
> to databases.

Akshay, you know that code best of all. How do we enable safer kexes?

-- 
Dave Page
Blog: http://pgsnake.blogspot.com
Twitter: @pgsnake

EnterpriseDB UK: http://www.enterprisedb.com
The Enterprise PostgreSQL Company


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