Local server/cache of my own public domain to save bandwidth from my lan?

i have public domain and link to cloudflare (i make a local webserver and put it online using cloudflared), i installed wordpress and it load using https since it connect to cloudflare rather than direct from lan, i want to connect directly (not through cloudflare) if i access it from LAN to save internet bandwidth while still use https, how to acomplish that ?

Are you running Openwrt ?

  • Use the LAN IP in your browser - ignore the certificate warning

If using OpenWrt:

  • Make a local DNS entry for the FQDN of the HTTPS server
# in /etc/config/dhcp

config domain
        option ip '192.168.1.xxx'
        option name 'fqdn.example.com'

Hosts using the OpenWrt as their DNS resolver will be able to access the site via the domain name.

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Yes, the wordpress is hosted on openwrt running on a tv box

i ended up using a self signed certificate, and do create static hostname like your direction via GUI http://<openwrt>/cgi-bin/luci/admin/network/dhcp, surprisingly it doesn't conflict with cloudflared, and when i open the wordpress from other network, it still uses the public certificate from cloudflare

also for security reason, i redirect domain.com/wp-admin and domain.com/wp-login to / in cloudflare, which makes me only able to login to wordpress only from local network

I just noticed that google's search console detect an error about harmful page, i guess it caused by self-signed certificate ? Any suggestion ?
my wordpress plugins only nginx-helper and cloudflare, and the content is just default wordpress page since i just started.

The information you're providing is not clear - and I'm starting to think this relates to other threads you're making.

To remove a self-signed warning on a public HTTPS site, you'll need a recognized Public Certificate installed. Depending on the CA you're using, they may allow you to submit a locally generated CSR for this process. This is the normal setup of a web server - unless I'm misunderstanding, I'm not sure how this is OpenWrt-related specifically.

I'm not sure how properly configuring your web server is directly related to OpenWrt?

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