W&T 57630, Manual

Page: 201 / 211

201
W&T
Ports and network security
Subject to errors and modifications:
7.3.4 Ports mit special function:
In addition to access over the Web interface, a variety of
functions can be activated through various TCP or UDP ports.
These are shown in Table 1 (Excel table). A series of functions
can be turned on and off, but only with „Admin“ rights. The
basic recommendation is to turn off all the functions you are
not using. More on this subject can be found in the Manual.
SNMP:
To be able to incorporate the Web-IO into an SNMP-based
systems management, all the essential configuration settings can
also be modified via SNMP. Access is protected by using the
Admin password in SNMP as a
community string . SNMP access
can be turned off.
Ports for inventorizing using the „WuTility“ tool:
Like all the „intelligent“ components from W&T, the Web-IO can be
accessed using the „WuTility“ tool. The tool can use ports 8512
and 8513 to read information such as hard- and firmware version,
IP address, etc. This access cannot be turned off, but write access
to the device is not possible with the tool.
Firmware-Update:
The TFTP (TCP port 69) protocol makes it possible to get a
firmware update and overwrite all the configuration settings. Only,
however, if update mode was previously enabled. There are
several ways to do this:
. One-time activation using a special http string in connection
with the Admin password (if set)
.
One-time activation using Config >> Session Control >> Logout
and the Firmware Update button
Reset using Port 8888:
Opening a connection (e.g., using Telnet) to Port 8888 allows
the device to be reset. Here you must give the Admin password
(if set) right after the connection is opened. This immediate
sending of the password is impractical by manual means, and
should be performed by a program. The consequences of a