Horray, thank you for the reply. Man.. I almost gave up
I made a experiment today about my site (and also research about those 404/403 error)
I test 2 ISP, (yes, I register 1 other ISP. Killing my money damn)
My old ISP always gave me 403/404 error while accessing the site (nor posting thing),
this new ISP works great. Wonder why..
So here it is : My old ISP gave us Intrusive-ads when we browsing any sites, but my new ISP just gave us Intrusive-ads if you accessing Internet in long times.
I guessing x10hosting with mod_security enabled make those ISP with Intrusive-ads can't do any script-actions. That leads to 404/403 errors, which is my problem right now.
so..
I cannot find any recent incidents where mod_security has blocked your request. Please could you give me the full URL you are sent to when you see the 403 error message?
With my old ISP = All administration subdirectory. Sometimes works, sometimes not. Even my site's stylesheet and images got 404/403 error (can't load)!
With my new ISP = There's no 404/403 error right now.. IDK about the future.
uh, some people hate/lazy2read long posting..
Summary, ISP with Intrusive-ads can't visit x10hosting hosted site with mod_security rules (or whatever it is) enabled.
Seriously
this isn't okay, this ISP is popular in Indonesia and we use this ISP. I can't tell any visitor to use VPN/Proxy services to visit our site D:
Tell me any further instruction please, I need solving this problem ASAP