lua

• access_by_lua
• access_by_lua_block
• content_by_lua
• content_by_lua_file

# 设置 header: ngx.req.set_header(header_name, value) # 清除 header: ngx.req.clear_header(header)

清除所有的 headers_M = {}

for header, _ in pairs(ngx.req.get_headers()) do
    ngx.req.clear_header(header)
end