global
    log stdout format raw local0 info
    maxconn 4096
    user haproxy
    group haproxy
    daemon

defaults
    log     global
    mode    http
    option  httplog
    option  dontlognull
    timeout connect 5000
    timeout client  50000
    timeout server  50000
    option  redispatch
    retries 3

frontend http_front
    bind *:80
    mode http
    
    # 默认后端
    default_backend ankr_rpc

backend ankr_rpc
    mode http
    balance roundrobin
    
    # 不添加 X-Forwarded-For 头，保持请求 IP 为服务器 IP
    # option forwardfor
    
    # 设置请求头
    http-request set-header Host rpc.ankr.com
    
    # 定义服务器 - 不包含路径
    server ankr_server rpc.ankr.com:443 ssl verify none
    
    # 移除了路径重写
    # http-request set-path /solana/acadeb3212fbce5fa684b9e64410bdea04b416e32cc3b9a371d4073ecf30ebbb
    
    # 日志记录
    option httplog
    log global