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2 corrected typo
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Try answering these questions:

  1. Do you link /administrator page from the home?
  2. Do you have administration interface under /administrator?

You should try to hide this URL by trying "/admin_8cV3lsvY" and do not link it from the main website. Otherwise, I'd not consider your website to be reasonably secured, security of admin interface is most important.

Additionally, you should create a robots.txt file and exclude administration interfaces if you still want to use /administrator. This will prevent crawlers from indexing these pages which also increases security.

Lastly, they may not be crawlers like Google, but rouge scanners. You should not put large amount of data for them because this will put your server under load and it may become unstable or unresponsive. You should handle these requests with error codes like 404.

Also, you did not mention whatever you have /administrator page at all, or it's just scanners trying to get in. If you dontdo not have such page, then you can simply ignore them. Do not slow themthe crawlers down (as this will put strain on your server), or try to send large files.  

Try answering these questions:

  1. Do you link /administrator page from the home?
  2. Do you have administration interface under /administrator?

You should try to hide this URL by trying "/admin_8cV3lsvY" and do not link it from the main website. Otherwise, I'd not consider your website to be reasonably secured, security of admin interface is most important.

Additionally, you should create robots.txt file and exclude administration interfaces if you still want to use /administrator. This will prevent crawlers from indexing these pages which also increases security.

Lastly, they may not be crawlers like Google, but rouge scanners. You should not put large amount of data for them because this will put your server under load and it may become unstable or unresponsive. You should handle these requests with error codes like 404.

Also, you did not mention whatever you have /administrator page at all, or it's just scanners trying to get in. If you dont have such page, then you can simply ignore them. Do not slow them down (as this will put strain on your server), or try to send large files.

Try answering these questions:

  1. Do you link /administrator page from the home?
  2. Do you have administration interface under /administrator?

You should try to hide this URL by trying "/admin_8cV3lsvY" and do not link it from the main website. Otherwise, I'd not consider your website to be reasonably secured, security of admin interface is most important.

Additionally, you should create a robots.txt file and exclude administration interfaces if you still want to use /administrator. This will prevent crawlers from indexing these pages which also increases security.

Lastly, they may not be crawlers like Google, but rouge scanners. You should not put large amount of data for them because this will put your server under load and it may become unstable or unresponsive. You should handle these requests with error codes like 404.

Also, you did not mention whatever you have /administrator page at all, or it's just scanners trying to get in. If you do not have such page, then you can simply ignore them. Do not slow the crawlers down (as this will put strain on your server), or try to send large files.  

1
source | link

Try answering these questions:

  1. Do you link /administrator page from the home?
  2. Do you have administration interface under /administrator?

You should try to hide this URL by trying "/admin_8cV3lsvY" and do not link it from the main website. Otherwise, I'd not consider your website to be reasonably secured, security of admin interface is most important.

Additionally, you should create robots.txt file and exclude administration interfaces if you still want to use /administrator. This will prevent crawlers from indexing these pages which also increases security.

Lastly, they may not be crawlers like Google, but rouge scanners. You should not put large amount of data for them because this will put your server under load and it may become unstable or unresponsive. You should handle these requests with error codes like 404.

Also, you did not mention whatever you have /administrator page at all, or it's just scanners trying to get in. If you dont have such page, then you can simply ignore them. Do not slow them down (as this will put strain on your server), or try to send large files.