Apache Module mod_ratelimit
Description: | Bandwidth Rate Limiting for Clients |
---|---|
Status: | Extension |
ModuleIdentifier: | ratelimit_module |
SourceFile: | mod_ratelimit.c |
Compatibility: |
rate-initial-burst available in httpd 2.4.24 and later. |
Summary
Provides a filter named RATE_LIMIT
to limit client bandwidth. The throttling is applied to each HTTP response while it is transferred to the client, and not aggregated at IP/client level. The connection speed to be simulated is specified, in KiB/s, using the environment variable rate-limit
.
Optionally, an initial amount of burst data, in KiB, may be configured to be passed at full speed before throttling to the specified rate limit. This value is optional, and is set using the environment variable rate-initial-burst
.
Example Configuration
<Location "/downloads"> SetOutputFilter RATE_LIMIT SetEnv rate-limit 400 SetEnv rate-initial-burst 512 </Location>
If the value specified for
rate-limit
causes integer overflow, the rate-limited will be disabled. If the value specified for rate-limit-burst
causes integer overflow, the burst will be disabled.
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