Windows Server 2003 ?????? ??? FTP ????? ??? ?? FTP PASV ??? ?? ????? ???? ?? ??? Internet Explorer ?? ???????? ???? ????

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???? ID: 323446 - ?? ???????? ?? ?????? ??? ?? ?? ???? ???? ???? ??.
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?? ???? ????? ?? ?? Microsoft Internet Explorer ?? ???????? ???? ???? ?? Windows ????? ?????????? ????????? (FTP) ????? ??? ?? PASV ??? ????? ?? ????? ???? ?? ??? Internet Explorer ????

FTP ?? ??? ?? ?????? ???? ??? ???? (?? ????? ?? ??????) ?? ??? ?? ??? ???? ???? ?? ?? ????? (?? PASV)? The Standard mode FTP client sendsPORTcommands to the FTP server. The Passive mode client sendsPASVcommands to the FTP Server. These commands are sent over the FTP command channel when establishing the FTP session.

Standard mode FTP clients first establish a connection to TCP port 21 on the FTP server. This connection establishes the FTP command channel. The client sends aPORTcommand over the FTP command channel when the FTP client needs to send or receive data, such as a folder list or file. ThePORTcommand contains information about which port the FTP client receives the data connection on. In Standard mode, the FTP server always starts the data connection from TCP port 20. The FTP server must open a new connection to the client when it sends or receives data, and the FTP client requests this by using thePORTcommand again.

Passive mode FTP clients also start by establishing a connection to TCP port 21 on the FTP server to create the control channel. When the client sends aPASVcommand over the command channel, the FTP server opens an ephemeral port (between 1024 and 5000) and informs the FTP client to connect to that port before requesting data transfer. As in Standard mode, the FTP client must send a newPASVcommand prior to each new transfer, and the FTP server will await a connection at a new port for each transfer.

You may have to change the mode that is used by the FTP client, depending on the firewall configuration on either the FTP client or the server. Microsoft Internet Explorer 5 and later versions support both Standard mode and Passive mode.

How to change the Internet Explorer FTP Client mode

  1. Internet Explorer ?? ??????? ????..
  2. ????? ????????????? ??,??????? ??????.
  3. ????? ???????????? ?? ????? ????..
  4. ?? ????????????????, ???? ???? ?? ??? ????? ????FTP ?????? ?? ??? ?????? ????? ????? ??????? ?????.
  5. ?? ??? ???? ?? ??? ????? ????Use Passive FTP (for firewall and DSL modem compatibility)??? ?????.
  6. ????? ????,OK.
Internet Explorer behaves as a Standard mode FTP client if you select theFTP ?????? ?? ??? ?????? ????? ????? ????check box, even if you also select theUse Passive FTP??? ?????. ??? ?? ?????FTP ?????? ?? ??? ?????? ????? ????? ????check box and then select theUse Passive FTPcheck box, Internet Explorer behaves as a Passive mode FTP client.

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Many firewalls do not accept new connections through an external interface. The firewall detects these connections as unsolicited connection attempts and, therefore, drops them. Standard mode FTP clients do not work in this environment because the FTP server must make a new connection request to the FTP client.

Firewall administrators may not want to use Passive mode FTP servers because the FTP server can open any ephemeral port number. Although Microsoft Internet Information Server (IIS) 4.0 and IIS 5.0 use the default ephemeral port range of 1024 through 5000, many FTP servers are configured with an ephemeral port range of 1024 through 65535. Firewall configurations that allow full access to all ephemeral ports for unsolicited connections may be considered unsecured.

You can configure both IIS 4.0 and IIS 5.0 to allow the ephemeral port range of 1024 through 65535.

For additional information about problems that you may have if you try to connect to TCP ports above 5000, click the article number below to view the article in the Microsoft Knowledge Base:
1962715000 ??? TCP ????? ?? ?????? ???? ??? ??????

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???? ID: 323446 - ????? ???????: 03 ?????? 2010 - ??????: 2.0
???? ???? ???? ??:
  • Microsoft Internet Explorer 6.0, ?? ???? ??? ?????? ???? ???:
    • Microsoft Windows Server 2003, Standard Edition (32-bit x86)
  • Windows Internet Explorer 7 for Windows XP
  • Windows Internet Explorer 7 for Windows Server 2003
??????: 
kbwebservices kbappservices kbftp kbhowtomaster kbmt KB323446 KbMthi
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??????????: ?? ???? ?? ???? ??????? ?? ????? ?? Microsoft ????-?????? ?????????? ?????? ?????? ???? ??? ??. Microsoft ???? ??? ????-???????? ?? ????-???????? ????? ?????? ?? ???? ???????? ???? ?? ???? ????? ????? ??? ?? ??? ?????? ?? ???? ???? ???? ??? ????? ??. ???????, ????-???????? ???? ????? ???? ???? ???? ???. ?????, ????????, ?????-???? ?? ??????? ?? ???????? ?? ???? ???, ???? ?? ??? ?????? ???? ???? ??? ????? ??? ?? ???? ??. Microsoft ??????? ??? ???? ?? ?????? ?? ??????????, ????????? ?? ??? ?????? ?? ???? ????? ?? ???? ???????? ?? ??? ???? ????? ?? ??? ????????? ???? ??. Microsoft ????-?????? ?????????? ?? ????? ?????? ?? ?? ??? ??.
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