HAProxy HAProxy config

A HAProxy config snippet for HAProxy that answers requests for /pixel.gif with the empty GIF, decoded once at startup.

HAProxy HAProxy config

Path

File: haproxy.cfg
Run: haproxy -f haproxy.cfg

# Write the file once (it is read into memory at startup):
#   printf '%b' '\x47\x49\x46\x38\x39\x61\x01\x00\x01\x00\x80\x00\x00\xff\xff\xff\x00\x00\x00\x21\xf9\x04\x01\x00\x00\x00\x00\x2c\x00\x00\x00\x00\x01\x00\x01\x00\x00\x02\x02\x44\x01\x00\x3b' > /etc/haproxy/pixel.gif
defaults
    mode http
    timeout connect 5s
    timeout client 30s
    timeout server 30s

frontend www
    bind :8080
    http-request return status 200 content-type image/gif file /etc/haproxy/pixel.gif hdr Cache-Control no-store if { path /pixel.gif }
    # default_backend app

We ran this snippet and compared the bytes it returned.

Check it

curl -sI http://localhost:8080/pixel.gif

Official site: HAProxy