[jdev] self signed cert

Marcel Waldvogel marcel.waldvogel at uni-konstanz.de
Thu May 5 04:51:32 UTC 2016


But then again, these days, self-signed certs have no advantage over CA-signed certs.

Viele Grüsse,
-Marcel Waldvogel
(kurz&bündig)

> Am 04.05.2016 um 16:05 schrieb Dave Cridland <dave at cridland.net>:
> 
> 
> 
>> On 3 May 2016 at 19:10, Tomasz Sterna <tomek at xiaoka.com> wrote:
>> W dniu 03.05.2016, wto o godzinie 09∶40 -0700, użytkownik
>> lists at lazygranch.com napisał:
>> > I suspect you wouldn't want s2s to use a self signed cert, so
>> > allowing two level of verification (c2s and s2s) sounds complex. You
>> > fix one thing in software and you break something else.
>> 
>> So, why would you allow self-signed on C2S?
>> 
>> Why do you want to use encryption in the first place?
>> So, no one is able to read the conversation, right?
>> But self-signed cert does not give you this... Just a false illusion
>> that you are protected from evesdropping.
>> But self-signed does not protect you from man-in-the-middle attack, so
>> basically still anyone able to tap the wire your transmission is going
>> through is able to read it, with just slightly more effort.
> 
> I used to agree with you, but I've changed my mind over the years - it turns out that because it forces an attacker to switch from passive eavesdropping to active MITM, this is a blocker for the majority of attackers, especially opportunistic or mass-surveillance actors.
> 
> So a self-signed cert is better than no cert at all (even if you want something independently verifiable ideally).
>  
>> 
>> > I noticed the online documentation doesn't completely match the xml,
>> > but there are enough comments in the xml that I could get close to
>> > setting it up. It is just the certs that are confusing.
>> 
>> Yeah. The real and up to date source of documentation are the comments
>> in the configuration files.
>> 
>> 
>> --
>>  /o__
>> (_<^' Practice is the best of all instructors.
>> 
>> 
>> _______________________________________________
>> JDev mailing list
>> Info: http://mail.jabber.org/mailman/listinfo/jdev
>> Unsubscribe: JDev-unsubscribe at jabber.org
>> _______________________________________________
> 
> _______________________________________________
> JDev mailing list
> Info: http://mail.jabber.org/mailman/listinfo/jdev
> Unsubscribe: JDev-unsubscribe at jabber.org
> _______________________________________________
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.jabber.org/pipermail/jdev/attachments/20160505/54a71786/attachment.html>


More information about the JDev mailing list