Wordpress website stops working for a particular IP after updating a page - wordpress

Weirdest problem ever. I use wordpress (last version) for my website and I use WP-bakery page builder. It has worked without problems for years. All my plugins are updated to the latest version, except WP bakery page builder because i'm not paying for it.
Today, i decided to update the website, and I go to the contact page of my website and change 1 word in the page and click "update". The website ends up showing a "timeout" and the website stopped working.
"This site can’t be reached. Try:
Checking the connection
Checking the proxy and the firewall
ERR_CONNECTION_TIMED_OUT"
In opera the error is DNS_PROBE_FINISHED_NXDOMAIN
Then I tried with a VPN and the website works, so I try to update the page again and "timeout" again and the website is down
Then I changed the VPN ip again and my website is working on that new IP. I try to change a blog post, no problem, I add new pages with the testimonial plugin and no problem, then, thinking that everything is ok, i go to the contact page again and i change 1 word and boom... time out and the website is dead for that IP
Now I run out of VPNs to test and I can't access my website anymore, but this problem is very strange.
I tried https://www.isitdownrightnow.com/ and that website says that my site is up, but i can't access it anymore due to this change that produced the same awful result 3 or 4 times.
Who knows about this mysterious issue and a potential solution?
The following is the list of plugins i use:
Akismet
Contact Form 7
Cookie Notice
Google Analytics for WordPress by MonsterInsights:
Hello Dolly
Hide Featured Image:
Jivo Chat
Maintenance and WP Maintenance mode:
PageBuilder by Site Origin and WPBakery page builder:
Read More without refresh and WP Show More:
ShortPixel image optimizer:
Show Hide Author:
Simple Custom CSS:
Slider Revolution:
ThemesFlat by Themesflat.com:
WP Downgrade | Specific core version:

I don't know why it happened, but I discovered that a rule of modsecurity blocked my IP whenever I attempted to update my page... Seems to be a security thing with wordpress to avoid attacks... This shows up in the server log.
To solve it I removed the rule for my website... which may cause some security issues, but who cares about security.
But I don't know where this blocking comes from...

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Remove unwanted Url variable when WooCommerce is active in Wordpress

I've been facing some issues lately with our new business website. Basically, when the homepage is loaded www.motionitalia.it it looks like to redirect to another page https://www.motionitalia.it/?v=e0c86157e86f. I've asked a friend and he suggested that it might be related to the cache.
I tested the website using Site Health's tool called diagnostic mode and I deactivated all the plugins. It turned out that the ?v=e0c86157e86f appears when I activate Woocommerce.
I would like to remove it from the URL because it slows down the website and it doesn't even look professional. Has anyone of you ever experienced it? If so, could you suggest to me a way to fix it?
This is due to WooCommerce geolocation with page caching support enabled
To disable ?v=e0c86157e86f like from WordPress Urls when WooCommerce plugin is active, Go to WooCommerce Settings > General (tab), then for "Default customer location" select "Geolocate" instead of "Geolocate (with page caching support)", then save.
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Weird Caching Issue - WordPress + Ultimate Member + WP Engine + Cloudflare

I am facing a very weird caching issue on my site. The site is hosted on WP Engine with Cloudflare setup. Here is the complete scenario when the user tried to access the site.
When the user upgrades to pro after successful payment, then all the pro listing should be visible to them OR I can say they can access pro listing. But after successful payment when a user tries to access the pro listing it shows you need an upgrade to pro. After hard refresh 2 to 3 times. It works normally.
Note:
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My site does not have any caching plugin.
I have already bypassed the caching from Cloudflare for that page.
I have added Cache Level to Bypass in page rules. Let me know if I need to add anything else to the page rules.
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Thanks!
you can use wp-super cache plugin.
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I am using wp-engine. when I faced like that, I used wp-super cache plugin.
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I'm a new WordPress designer. My site runs Tesseract Theme and is built with Beaver Builder.
PROBLEM: When I post my website (https://louiseclark.tech) on Facebook it removed my site after a couple minutes. Now when I try to post my site it gives me this message--> It looks like a link you're sharing might be unsafe. If you can, please remove this link: louiseclark.tech Note: The unsafe link might be on the page you’re linking to.
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When I ran my site through the Facebook debugger I got this message:
The 'fb:app_id' property should be explicitly provided, Specify the app ID so that stories shared to Facebook will be properly attributed to the app. Alternatively, app_id can be set in url when open the share dialog.
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In case anyone sees this thread, I found the solution.
When I moved my WordPress sites to managed WordPress hosting I also migrated my websites to https with the SSL certificates. While the pages were migrated and displaying the https just fine, the images still held their old url (http).
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I installed SSL Content Fixer plugin. This worked for some images but not others.
I installed Better Search Replace plugin. I had found the specific insecure images using Firefox. From my page in Firefox, I went to:
Tools -> Page Info -> Media This showed me every image/js/css call on this page. Finding these images allowed me to use the plugin to make the changes.
It worked. I'm quite sure knowing how to code my site would be much better in this situation. But I'm a newbie and this is what I could come up with.
What I learned: It's a flag when you have a secure site that embeds non secure objects/images.

I'm unable to activate the google ad setting on my website using the adsense plugin for wordpress

My website has been verified by google using the adsense plugin for wordpress.
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I am currently running Wordpress version 4.7.2 on my own server. I disabled WordFence Security plugin version 6.3.2, before I went into manage ads in the Google Adsense Plugin version 1.2.1. I added my ads where I needed to add them and checked to see if they were working. Everything works fine. I then proceeded to turn WordFence Security Plugin back on and everything still worked fine.
If you are looking into conflict resolution between these two plugins, I can tell you Google last updated their plugin 11 months ago, so you may want to start, here.

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Drupal 7.19
Acquia hosting
using Yottaa for optimization and monitoring
Problem: when trying to log in from home, we're experiencing something odd: we keep getting "logged out" ONLY on the front page. When you click anywhere inside the site, we get the admin toolbar and contextual links back. But we can't update the front page at all because it acts like it's logged out only for the front page.
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