How do I improve desktop client download speed inside home network

When I copy files on the desktop client, I only get 3-7 MB/s inside my home network.
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Here’s my current setup. Is there any way I can improve the download speed? Thanks.

maybe some of these hints might help you

Thank you.

Looks like I need a local DNS to route nc.***.com to my local server IP address.

I don’t have Pi hole, but I do have AdGuard running at home.

Then I added a new DNS rewrite, but it doesn’t look right.

In Nginx, I point nc..com to http://192.168..***:11000

Should I use the same IP address in DNS rewrites?

Like this? In AdGuard, I can’t add the port number behind the IP address. How did AdGuard know where to point? I am a bit confused.

After I added the DNS rewrite, web Nextcloud interface works fine.
But the desktop client can’t download files anymore.

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Hi, you need to point the local dns overwrite to your reverse proxy.

Thank you. No errors anymore after the point local DNS overwrite to the reverse proxy IP.

I also switched from a wireless to a wired connection. I got about 20 MB/s download speed, which is still much slower than directly copying a file from the same NAS through SMB.