和这个样,
https://www.v2ex.com/amp/t/540682一个支付回调接口,按理是没有公开暴露的,但是有来至 180.163.220.4 的访问。而且 UA 一看就不是什么好东西。
HTTP_USER_AGENT => Mozilla/5.0 (Linux; U; Android 8.1.0; zh-CN; EML-AL00 Build/HUAWEIEML-AL00) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 baidu.sogo.uc.UCBrowser/11.9.4.974 UWS/2.13.1.48 Mobile Safari/537.36 AliApp(DingTalk/4.5.11) com.alibaba.android.rimet/10487439 Channel/227200 language/zh-CN
REQUEST_DATA => 
SERVER_DATA => 
    CONTEXT_DOCUMENT_ROOT => /home
    CONTEXT_PREFIX => 
    DOCUMENT_ROOT => /home/
    GATEWAY_INTERFACE => CGI/1.1
    H2PUSH => on
    H2_PUSH => on
    H2_PUSHED => 
    H2_PUSHED_ON => 
    H2_STREAM_ID => 1
    H2_STREAM_TAG => 88-1
    HTTP2 => on
    HTTPS => on
    HTTP_ACCEPT => text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,image/apng,*/*;q=0.8
    HTTP_ACCEPT_ENCODING => gzip, deflate
    HTTP_CACHE_CONTROL => no-cache
    HTTP_HOST => store.
    HTTP_PRAGMA => no-cache
    HTTP_REFERER => 
http://baidu.com/    HTTP_UPGRADE_INSECURE_REQUESTS => 1
    HTTP_USER_AGENT => Mozilla/5.0 (Linux; U; Android 8.1.0; zh-CN; EML-AL00 Build/HUAWEIEML-AL00) AppleWebKit/537.36 (KHTML, like Gecko) Version/4.0 Chrome/57.0.2987.108 baidu.sogo.uc.UCBrowser/11.9.4.974 UWS/2.13.1.48 Mobile Safari/537.36 AliApp(DingTalk/4.5.11) com.alibaba.android.rimet/10487439 Channel/227200 language/zh-CN
    HTTP_X_HTTPS => 1
    PATH => /bin:/usr/bin
    PHP_INI_SCAN_DIR => /opt/cpanel/ea-php72/root/etc:/opt/cpanel/ea-php72/root/etc/php.d:.
    QUERY_STRING => 
    REDIRECT_STATUS => 200
    REMOTE_ADDR => 180.163.220.4
    REMOTE_PORT => 62746
    REQUEST_METHOD => GET
    REQUEST_SCHEME => https
    REQUEST_URI => /return.php
    SCRIPT_FILENAME => /home/_return.php
    SCRIPT_NAME => return.php
    SCRIPT_URI => return.php
    SCRIPT_URL => return.php
    SERVER_ADDR => 1.1.1.1
    SERVER_ADMIN => webmaster@
    SERVER_NAME => store.
    SERVER_PORT => 443
    SERVER_PROTOCOL => HTTP/2.0
    SERVER_SIGNATURE => 
    SERVER_SOFTWARE => Apache
    SSL_TLS_SNI => store.
    TZ => Etc/GMT
    UNIQUE_ID => XcvtVa3jGRPKDQsSIU6Ytgdf3fd
    PHP_SELF => return.php
    REQUEST_TIME_FLOAT => 1573645653.3753
    REQUEST_TIME => 1573645653
    argv => 
    argc => 0    
分析发现在 11/13/2019 11:46 有人付款发生了回调,在 11/13/2019 11:47 有来至 180.163.220.4 的访问,为什么有用户付款后此 IP 就马上来抓取。