curl version: curl 8.18.0 (x86_64-pc-linux-gnu) libcurl/8.18.0 OpenSSL/3.5.5 zlib/1.3.1 brotli/1.2.0 zstd/1.5.7 libidn2/2.3.8 libpsl/0.21.2 libssh2/1.11.1 nghttp2/1.68.0 librtmp/2.3 mit-krb5/1.22.1 OpenLDAP/2.6.10
Probe command: curl --header '@/etc/passwd: marker' http://127.0.0.1:18080/
curl: Failed to open /etc/passwd: marker
curl: option --header: error encountered when reading a file
curl: try 'curl --help' or 'curl --manual' for more information

curl_exit=26
server_log: