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k8s-ci-robot 2020-09-10 12:10:59 +00:00
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user-guide/nginx-configuration/annotations/index.html
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@ -2648,8 +2648,9 @@ applied to each location provided in the ingress rule.</p>
<p>These annotations define limits on connections and transmission rates. These can be used to mitigate <a href="https://www.nginx.com/blog/mitigating-ddos-attacks-with-nginx-and-nginx-plus">DDoS Attacks</a>.</p>
<ul>
<li><code>nginx.ingress.kubernetes.io/limit-connections</code>: number of concurrent connections allowed from a single IP address. A 503 error is returned when exceeding this limit.</li>
<li><code>nginx.ingress.kubernetes.io/limit-rps</code>: number of requests accepted from a given IP each second. The burst limit is set to 5 times the limit. When clients exceed this limit, <a href="https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/configmap/#limit-req-status-code">limit-req-status-code</a> <strong><em>default:</em></strong> 503 is returned.</li>
<li><code>nginx.ingress.kubernetes.io/limit-rpm</code>: number of requests accepted from a given IP each minute. The burst limit is set to 5 times the limit. When clients exceed this limit, <a href="https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/configmap/#limit-req-status-code">limit-req-status-code</a> <strong><em>default:</em></strong> 503 is returned.</li>
<li><code>nginx.ingress.kubernetes.io/limit-rps</code>: number of requests accepted from a given IP each second. The burst limit is set to this limit multiplied by the burst multiplier, the default multiplier is 5. When clients exceed this limit, <a href="https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/configmap/#limit-req-status-code">limit-req-status-code</a> <strong><em>default:</em></strong> 503 is returned.</li>
<li><code>nginx.ingress.kubernetes.io/limit-rpm</code>: number of requests accepted from a given IP each minute. The burst limit is set to this limit multiplied by the burst multiplier, the default multiplier is 5. When clients exceed this limit, <a href="https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/configmap/#limit-req-status-code">limit-req-status-code</a> <strong><em>default:</em></strong> 503 is returned.</li>
<li><code>nginx.ingress.kubernetes.io/limit-burst-multiplier</code>: multiplier of the limit rate for burst size. The default burst multiplier is 5, this annotation override the default multiplier. When clients exceed this limit, <a href="https://kubernetes.github.io/ingress-nginx/user-guide/nginx-configuration/configmap/#limit-req-status-code">limit-req-status-code</a> <strong><em>default:</em></strong> 503 is returned.</li>
<li><code>nginx.ingress.kubernetes.io/limit-rate-after</code>: initial number of kilobytes after which the further transmission of a response to a given connection will be rate limited. This feature must be used with <a href="#proxy-buffering">proxy-buffering</a> enabled.</li>
<li><code>nginx.ingress.kubernetes.io/limit-rate</code>: number of kilobytes per second allowed to send to a given connection. The zero value disables rate limiting. This feature must be used with <a href="#proxy-buffering">proxy-buffering</a> enabled.</li>
<li><code>nginx.ingress.kubernetes.io/limit-whitelist</code>: client IP source ranges to be excluded from rate-limiting. The value is a comma separated list of CIDRs.</li>