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nginx ÏÞÁ÷ÎÊÌâ¿Éͨ¹ýÒÔÏÂÒªÁì½â¾ö£ºÊ¹Óà ngx_http_limit_req_module ÏÞÖÆÇëÇó´ÎÊý£»Ê¹Óà ngx_http_limit_conn_module ÏÞÖÆÅþÁ¬Êý£»Ê¹ÓõÚÈý·½Ä £¿é£¨ngx_http_limit_connections_module¡¢ngx_http_limit_rate_module¡¢ngx_http_access_module£©ÊµÏÖ¸ü¶àÏÞÁ÷Õ½ÂÔ£»Ê¹ÓÃÔÆЧÀÍ£¨cloudflare¡¢google cloud rate limiting¡¢aws waf£©¾ÙÐÐ dd

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1. ʹÓÃngx_http_limit_req_moduleÄ £¿é

# ÏÞÖÆÿ¸ö¿Í»§¶ËÿÃëµÄÇëÇó´ÎÊý
limit_req_zone $binary_remote_addr zone=one:10m rate=1r/s;

# Ó¦ÓÃÏÞÁ÷¹æÔò
server {
    # ...
    location / {
        limit_req zone=one;
    }
}

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2. ʹÓà ngx_http_limit_conn_moduleÄ £¿é

# ÏÞÖÆÿ¸ö¿Í»§¶ËµÄͬʱÅþÁ¬Êý
limit_conn_zone $binary_remote_addr zone=one:10m;

# Ó¦ÓÃÏÞÁ÷¹æÔò
server {
    # ...
    location / {
        limit_conn zone=one;
    }
}

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3. ʹÓõÚÈý·½Ä £¿é

ngx_http_limit_connections_module: ÏÞÖÆÿ¸ö¿Í»§¶ËµÄ×ÜÅþÁ¬Êý

ngx_http_limit_rate_module: ÏÞÖÆÿ¸ö¿Í»§¶ËµÄÇëÇóËÙÂÊ

ngx_http_access_module: ƾ֤¿Í»§¶Ë IP »òÆäËûÌõ¼þ¾Ü¾øÇëÇó

4. ʹÓÃÔÆЧÀÍ

Cloudflare: Ìṩ DDoS ·À»¤ºÍÏÞÁ÷ЧÀÍ

Google Cloud Rate Limiting: Ìṩ»ùÓÚÉí·ÝÑéÖ¤µÄ API ÏÞÁ÷

AWS WAF: Ìṩ»ùÓÚÇøÓòºÍËÙÂ浀 Web Ó¦ÓóÌÐò·À»ðǽ

5. ´úÂë²ãÏÞÁ÷

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