<html><head><style>body{font-family:Helvetica,Arial;font-size:13px}</style></head><body style="word-wrap:break-word;line-break:after-white-space">Hello!<div><br></div><div>I think the handler return code is improper. </div><div>You might need to learn the function ngx_http_core_rewrite_phase </div><div>and decide a proper return code to this checker so that subsequent phases handler will not</div><div>be invoked.Otherwise some content handlers can still can get involved.</div><div>(these content handler will try to send header and flush some data to downstream).</div><div><br></div></body></html>