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Add Host header capture to frontend for connection debugging
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Captures the Host header in HAProxy httplog output so high-connection
alerts can be correlated to specific domains.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
This commit is contained in:
jknapp
2026-02-26 15:31:14 -08:00
parent 124a5373d2
commit 94af4e47c1
1 changed files with 3 additions and 0 deletions
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templates/hap_listener.tpl
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@@ -4,6 +4,9 @@ frontend web
# crt can now be a path, so it will load all .pem files in the path # crt can now be a path, so it will load all .pem files in the path
bind 0.0.0.0:443 ssl crt {{ crt_path }} alpn h2,http/1.1 bind 0.0.0.0:443 ssl crt {{ crt_path }} alpn h2,http/1.1
# Capture Host header so it appears in httplog output (in %hr field)
http-request capture req.hdr(Host) len 64
# Detect real client IP from proxy headers if they exist # Detect real client IP from proxy headers if they exist
# Priority: CF-Connecting-IP (Cloudflare) > X-Real-IP > X-Forwarded-For > src # Priority: CF-Connecting-IP (Cloudflare) > X-Real-IP > X-Forwarded-For > src
acl has_cf_connecting_ip req.hdr(CF-Connecting-IP) -m found acl has_cf_connecting_ip req.hdr(CF-Connecting-IP) -m found