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MDBF-1227: Rate limit Buildbot by client IP #982

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Merged
RazvanLiviuVarzaru merged 2 commits into from
Jul 1, 2026
Merged

MDBF-1227: Rate limit Buildbot by client IP #982

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870db6c
Rate limit Buildbot by client IP
RazvanLiviuVarzaru Jun 29, 2026
7d56c49
Fine tune r/s and burst
RazvanLiviuVarzaru Jun 29, 2026
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11 changes: 6 additions & 5 deletions docker-compose/nginx/templates/bb.conf.template
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Original file line number Diff line number Diff line change
Expand Up @@ -14,8 +14,9 @@ server {
}
}

# Default rate limited zone, with 30 requests per minute
limit_req_zone $request_uri zone=bb:10m rate=30r/m;
# Per-client rate limited zone. This catches scanners walking many unique
# URLs without sharing one bucket across all visitors of a popular URL.
limit_req_zone $binary_remote_addr zone=bb:10m rate=35r/s;
client_max_body_size 10M;

server {
Expand All @@ -32,9 +33,9 @@ server {
proxy_set_header X-Forwarded-Server $host;
proxy_set_header X-Forwarded-Host $host;

# Use default zone for rate limiting, allow burst of 10 requests with
# no delay
limit_req zone=bb burst=10 nodelay;
# Allow normal page/API bursts, but reject sustained aggressive clients.
limit_req zone=bb burst=150 nodelay;
limit_req_status 429;

location / {
proxy_pass http://127.0.0.1:8010;
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