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Merged
merged 3 commits into from
Oct 16, 2025
Merged

documentation new haproxy spoa configuration for captcha redirect #888

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148a972
Implement native HAProxy redirect for CAPTCHA validation
LaurenceJJones Sep 23, 2025
5ba490b
Remove dedicated section, keep only updated configuration examples
LaurenceJJones Sep 23, 2025
dbf88cd
Merge branch 'main' into native-haproxy-redirect-optimization
LaurenceJJones Oct 16, 2025
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18 changes: 16 additions & 2 deletions crowdsec-docs/unversioned/bouncers/haproxy_spoa.mdx
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Original file line number Diff line number Diff line change
Expand Up @@ -169,7 +169,14 @@ frontend http-in
bind *:80
filter spoe engine crowdsec config /etc/haproxy/crowdsec.cfg
http-request set-header X-CrowdSec-Remediation %[var(txn.crowdsec.remediation)]
http-request lua.crowdsec_handle if { var(txn.crowdsec.remediation) -m found }

## Handle 302 redirect for successful captcha validation (native HAProxy redirect)
http-request redirect code 302 location %[var(txn.crowdsec.redirect)] if { var(txn.crowdsec.remediation) -m str "allow" } { var(txn.crowdsec.redirect) -m found }

## Call lua script only for ban and captcha remediations (performance optimization)
http-request lua.crowdsec_handle if { var(txn.crowdsec.remediation) -m str "captcha" }
http-request lua.crowdsec_handle if { var(txn.crowdsec.remediation) -m str "ban" }

use_backend <whatever>

backend crowdsec-spoa
Expand Down Expand Up @@ -212,6 +219,7 @@ recaptcha
turnstile
```


### Prometheus Metrics

Enable and expose metrics:
Expand Down Expand Up @@ -391,7 +399,13 @@ frontend test

http-request set-header X-CrowdSec-Remediation %[var(txn.crowdsec.remediation)] if { var(txn.crowdsec.remediation) -m found }
http-request set-header X-CrowdSec-IsoCode %[var(txn.crowdsec.isocode)] if { var(txn.crowdsec.isocode) -m found }
http-request lua.crowdsec_handle if { var(txn.crowdsec.remediation) -m found }

## Handle 302 redirect for successful captcha validation (native HAProxy redirect)
http-request redirect code 302 location %[var(txn.crowdsec.redirect)] if { var(txn.crowdsec.remediation) -m str "allow" } { var(txn.crowdsec.redirect) -m found }

## Call lua script only for ban and captcha remediations (performance optimization)
http-request lua.crowdsec_handle if { var(txn.crowdsec.remediation) -m str "captcha" }
http-request lua.crowdsec_handle if { var(txn.crowdsec.remediation) -m str "ban" }

use_backend test_backend
```
Expand Down