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No higher download rates on SSL than ca. 13 MB/s possible with SABZNBD running on a DS216 Diskstation?

Posted: November 25th, 2024, 11:29 am
by Cl25
Hi there,

i have a Synology DS216 NAS (Marvell Armada 385, 2x 1.00GHz, 512MB DDR3) running and cannot get faster download speeds than 13 MB/s on a 250 Mbit line while downloading via SSL (tried both ports 443, 563).

Switching SSL off leads to download speeds near 29 MB/s which equals my line bandwith.

Is a DS216j not capable to handle more SSL (AES256) traffic than 13 MB/s or is there a chance to change that?

I'm just asking before buying a new NAS. Upgrades my line recently and discorvered that lack of speed.

Tia,
Cl25

Re: No higher download rates on SSL than ca. 13 MB/s possible with SABZNBD running on a DS216 Diskstation?

Posted: November 25th, 2024, 12:06 pm
by sander
I'm not a fan of it, but read https://sabnzbd.org/wiki/advanced/ssl-ciphers ... the first paragraph.

Re: No higher download rates on SSL than ca. 13 MB/s possible with SABZNBD running on a DS216 Diskstation?

Posted: November 26th, 2024, 6:31 am
by Cl25
I will try that out und report

Re: No higher download rates on SSL than ca. 13 MB/s possible with SABZNBD running on a DS216 Diskstation?

Posted: November 26th, 2024, 12:21 pm
by Cl25
Setting SSH ciphers to CHACHA20 was the solution. AES128 stressed the system still too much. With the SSL cipherCHACHA20 my bandwith is my bottleneck again.

Thx