> En/decrypting .7TB stream you'll notice very much.
Do you mean 700 Gb? (653.04 GB)
> If your data isn't that sensitive, you're just wasting time.
it's a requirements from our security department. All communications
between servers on the Internet should be encrypted.
Is there any point to test backup over stunnel without enabling TLS in
Bacula?
On Fri, May 8, 2015 at 6:34 PM, Dimitri Maziuk <dmaz...@bmrb.wisc.edu>
wrote:
> On 2015-05-08 02:32, Alex Domoradov wrote:
> > I made two tests yesterday. Full backup with TLS and without.
>
> > Why difference is so big ~ 1,5 hours? Is it normal with tls enabled?
>
> Yes. You have to encrypt everything on one end and decrypt on the other.
> Despite what tls preachers tell us, encryption is not zero-cost. (The
> exact cost depends you your cpus, load, on both ends, the algorithm and
> key, etc.) Encrypting an http transaction typically adds microseconds to
> a second-long page loads so you don't notice. En/decrypting .7TB stream
> you'll notice very much.
>
> Considering all the effort various 3-letter entities (isp, nsa, etc.)
> are putting into tls proxies to effectively MITM tls connections, tls
> encryption is or will soon be pointless even for sensitive data that's
> worth encrypting. If your data isn't that sensitive, you're just wasting
> time.
>
> Dima
>
>
>
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