Every website has it's own share of unwanted visitors. Crawlers, spam bots, DDoS-attacks... everything may happen.
Using this configuration, you can block unwanted visitors from your website. Most types of crawlers are being blocked.
Insert the file block.conf into your nginx configuration directory and include it in your nginx using the following configuration:
http {
...
include block.conf;
...
}
This will include the variables into your configuration.
After you've included the block.conf file into your nginx configuration, you can start blocking the bots from your server-blocks.
server {
...
location / {
# A bad bot has been found, return a 403 error and don't show them in logs
if ($limit_bots = 1) {
access_log off;
return 403;
}
# Bad referer has been found. Throw 403 error to deny access for the user and don't log them
if ($bad_referer = 1) {
access_log off;
return 403;
}
# Only allow GET, HEAD and POST requests. If another request is thrown,
# throw a 444 error (No Reponse) to close the connection
if ($request_method !~ ^(GET|HEAD|POST)$) {
return 444;
}
}
}
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