ProtazDDD提出的问题

ProtazDDD

Asked: 2020-09-24 16:55:55 +0000 UTC

FTP 端口 425 错误

我究竟做错了什么？如果我通过 PuTTY 连接并手动输入所有命令，那么据我所知，在端口 20 的服务器上不会发生 DataChannelOpened / DataChannelClosed。在日志的开头，第一个连接是通过 FileZilla 发生的，第二个是通过 PuTTY 发生的。通过 FileZilla 一切正常，文件 123.txt 正在下载

#Software: Microsoft Internet Information Services 10.0
#Version: 1.0
#Date: 2019-09-24 08:26:42
#Fields: date time c-ip cs-username s-ip s-port cs-method cs-uri-stem sc-status sc-win32-status sc-substatus x-session x-fullpath
2019-09-24 08:26:42 192.168.9.2 - 192.168.9.2 21 ControlChannelOpened - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:42 192.168.9.2 - 192.168.9.2 21 AUTH TLS 534 5 31 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:42 192.168.9.2 - 192.168.9.2 21 AUTH SSL 534 5 31 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:42 192.168.9.2 - 192.168.9.2 21 USER Fkyd 331 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PASS *** 230 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 SYST - 215 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 FEAT - 211 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 OPTS UTF8+ON 200 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PWD - 257 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 TYPE I 200 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PORT 192,168,9,2,194,54 200 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelOpened - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelClosed - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:43 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 LIST - 226 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /
2019-09-24 08:26:46 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 CWD /admin 250 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /admin
2019-09-24 08:26:46 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PWD - 257 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:46 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PORT 192,168,9,2,194,55 200 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:46 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelOpened - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:46 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelClosed - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:46 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 LIST - 226 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /admin
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 CWD /docs 250 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /docs
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PWD - 257 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PORT 192,168,9,2,194,56 200 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelOpened - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelClosed - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 LIST - 226 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /docs
2019-09-24 08:26:48 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 MDTM 123.txt 213 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /docs/123.txt
2019-09-24 08:26:49 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 CWD /pub 250 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /pub
2019-09-24 08:26:49 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PWD - 257 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:49 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PORT 192,168,9,2,194,57 200 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:49 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelOpened - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:49 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 20 DataChannelClosed - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:26:49 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 LIST - 226 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d /pub
2019-09-24 08:26:53 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 ControlChannelClosed - - 0 0 b75b403f-97a1-4eb3-b928-b3a0034d5c5d -
2019-09-24 08:37:14 192.168.9.2 - 192.168.9.2 21 ControlChannelOpened - - 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:37:30 192.168.9.2 - 192.168.9.2 21 USER Fkyd 331 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:37:44 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PASS *** 230 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e /
2019-09-24 08:37:51 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 OPTS UTF8 200 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:37:57 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PWD - 257 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:38:06 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 TYPE I 200 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:38:21 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 PORT 192,168,9,2,194,54 200 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:38:25 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 list - 425 4294967295 0 ec42bab9-ac95-45e4-99ce-166994d1772e /
2019-09-24 08:39:11 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 port 192,168,9,2,194,55 200 0 0 ec42bab9-ac95-45e4-99ce-166994d1772e -
2019-09-24 08:39:13 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 LIST - 425 4294967295 0 ec42bab9-ac95-45e4-99ce-166994d1772e /
2019-09-24 08:44:22 192.168.9.2 WIN-VAECRI97N5K\Fkyd 192.168.9.2 21 ControlChannelClosed - - 258 0 ec42bab9-ac95-45e4-99ce-166994d1772e -

ProtazDDD

Asked: 2020-04-06 02:44:13 +0000 UTC

什么时候删除类的静态字段？

如果类析构函数是虚拟的，什么时候会删除静态类字段？

class gameObj : public basicObj
{
    public:
        gameObj(){
            arr.push_back(this);
        }

        virtual ~gameObj()
        {}
    protected:
        static vector<basicObj *> arr;
}

还有一个问题。如果删除基类（具有虚拟析构函数），是否会删除子类的字段？

FTP 端口 425 错误

什么时候删除类的静态字段？

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