Your hoster is wrong. no logged in user should be cached, admin side or not. This is not just an annoyance type of issue, it is an actual security problem that might cause the disclose of your passwords.
Just remove the last caching line from your htaccess, it is unlikely to do you any good in any case.
Related Posts:
- “Too many redirects” ONLY when trying to access wp-admin page
- Use a different domain for SSL
- .htaccess in wp-admin produces a redirect loop
- Change Login URL Without Plugin
- Securing wp-admin folder – Purpose? Importance?
- how to force caching of wordpress admin
- Wrong canonical link on wp-admin pages
- WordPress in sub directory wp-admin problem
- Options for restricting access to wp-admin
- .htaccess rewrite rule for removing .php extension with exception of wp login and wp-admin
- Can’t access admin dashboard with wp-admin without /index.php after it
- How to change “wp-admin” to something else without search-replacing the core?
- Why should I password protect WP-Admin?
- Call to undefined function insert_with_markers
- Block access to wp-admin
- Cannot log into WordPress Dashboard after removing/adding .htaccess
- Should I add the IP of the server that hosts my sites to the list of authorized IPs in the wp-admin/.htaccess?
- Which HTTP headers to use for subdomain embedding?
- CDN + WP Admin Query – .htaccess redirection
- From 403 error to 500 internal server error
- Cannot Access Admin Area After Migration
- Wrong wp-admin URL
- How do I host WordPress on a hidden domain through a reverse proxy?
- How to Change The WordPress Login URL Without Plugin
- 404 redirect wp-login and wp-admin after changing login url [closed]
- How login is possible, if I deny login page via .htaccess with allow ip
- Redirect an entire WordPress site on a subdomain, except wp-admin
- Blank page when viewing wp-admin
- wp-admin going directly to 404
- WordPress /wp-admin redirect to wrong port in docker
- wp-admin and wp-login.php not Accessible after Cloudflare
- Cached php? Updates are rendering only if logged as admin
- Limit access to wp-admin but still be able to log in from different locations?
- SSL doesn’t deliver parts of WordPress Administration Module
- Making WP Admin Folder accessable JUST under a different link
- Couple questions about .htaccess, login page, updates
- Wildcard multisite wp-admin url wrongfully redirected
- Organizing Code in your WordPress Theme's functions.php File?
- How to check if a user is in a specific role?
- Can I rename the wp-admin folder?
- How do I Enqueue styles/scripts on Certain /wp-admin Pages?
- Changing Admin Menu Labels
- Adding custom columns to custom post types
- Adding Fields to the Category, Tag and Custom Taxonomy Edit Screen in the WordPress Admin?
- adding custom stylesheet to wp-admin
- Can’t change language (only “English (United States)”)
- Is there ANY way to remove comments function and section totally?
- How to use “menu_order” field for posts?
- How to restrict dashboard access to Admins only?
- Admin Page Redirect
- Disable dragging of meta boxes?
- Toggle admin metabox based upon chosen page template
- Unable to login and wp-login.php redirects to wp-admin%2F&reauth=1?
- When moving a WP site, why does wp-admin redirect to old site?
- How to disable the “Post Lock/Edit Lock”?
- adding the category to the admin column for a custom post type?
- How can we make managing lots of pages in WordPress Admin better?
- Change page title in admin area
- do_shortcode() within Admin Page
- How can I control the position in the admin menu of items added by plugins?
- Changing the ‘wp-admin’ URL to whatever I want
- Unit testing in the WordPress backend (is_admin() is true)
- Admin ajax request return 0 with die()
- How to prevent access to wp-admin for certain user roles?
- How to remove screen options and help links in the admin area?
- How to remove the core embed blocks in WordPress 5.6?
- How to increase the file size limit for media uploads?
- Create WP tutorial for users with admin pointer using next button for navigation
- I’m getting a 404 message when I try to access wpadmin
- Taxonomy dropdown metabox in the back-end
- wordpress wp-admin css not loading
- Sort admin menu items
- How to order by post meta name in wp admin?
- How set defaults on wpLink()
- Remove dashboard, use Pages tab as default
- How to redirect/rewrite all /wp-login requests
- Show all post tags on post edit screen/sidebox
- How to hook in and modify the new revisions UI (3.6+)?
- How to display a static HTML page while setting up a WordPress site?
- Limit widget to certain sidebar?
- How can I uninstall a language?
- Check if user is admin by user ID
- My wordpress site gets redirected automatically to the old site any known solution for this?
- Best way to present options for home page in admin?
- Remove specific items from Quick Edit menu of a Custom Post Type?
- How to filter by post-format in admin?
- Unable to login to my wordpress site. reauth=1 redirection loop
- Add “external” link to admin menu in the backend
- How to Layer 7 Load Balance WordPress Backend and Frontend?
- Disable image attachment links
- How can I improve the line break handling in the WYSIWYG editor?
- wp_list_tables bulk actions
- Custom column for changing post status via ajax
- How do I change the login logo URL and hover title?
- Custom login redirects to wp-admin on wrong password
- How to remove comments option from wp-admin bar and modify profile icon
- Remove “Time to upgrade” message from dashboard
- Add header and footer to WP backend
- js error on post editing page
- How to search post by ID in wp-admin