VBrick Systems Portal Server ETV v4.2.1, Руководство администратора

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28 © 2008 VBrick Systems, Inc.
need to support FTPS for a secure connection to exist. If a secure connection cannot be
established, the client will revert to the standard FTP protocol. The FTP server on Windows
platforms (IIS) does not currently support FTPS.
Therefore, to have secure connections, you must
install a third-party add-in on all Windows VOD servers. Of the various solutions available,
VBrick recommends FTP Guardian. FTP Guardian is a wrapper for IIS that serves as a proxy
between a secure client and an unsecured IIS. You change the FTP port of IIS to an arbitrary
port (10021 for example), then you start the FTP Guardian service. It binds to port 21 and all
incoming FTP clients communicate using a secure front that proxies the calls to IIS on port
10021. Be aware that this add-on, for Windows servers only, is not sold or supported by
VBrick. It requires a server wrapper and additional .dlls.
T
To install FTP Guardian:
1. Go to http://www.tcpdata.com/ftpg_license.shtml
2. Click and run
Download ftp Guardian Server Wrapper - 600K
on the VOD server.
3. Click
Download SSL Libraries - 380K
on the VOD server.
4. Then open the .zip file and copy
libeay32.dll
and
ssleay32.dll
into
C:\Program
Files\ftpgs
Add/Modify VOD/FTP Servers
Use this window to add Video-On-Demand Server(s) to the ETV Portal Server. If the
network supports Windows 98 users, you
must use the IP address of the VOD server—not
the host name. After selecting a
Server Type
VBrick recommends you keep the default
settings for FTP Password, Publishing Local Path, Publishing Directory, etc. unless there is a
compelling reason to change them. Nor is it necessary to create a Streaming Alias. Leave this
parameter blank unless you are using HTTP Tunneling.
Adding NXG, VOD-W, and VOD-D Servers
Figure 4. Add VOD-W Server