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V7122 GatewayUser Guide
Using the Secured Embedded Web Server
To use the secured Embedded Web Server follow the next 3 steps:
1
Access the gateway using the following URL:
https://[
host name] or [IP address]
Depending on the browser's configuration, a security warning dialog may be displayed.
The reason for the warning is that the gateway initial certificate is not trusted by your PC.
The browser may allow you to install the certificate, thus skipping the warning dialog the
next time you connect to the gateway.
2
If you are using Internet Explorer, click
View Certificate
and then
Install Certificate
.
3
The browser also warns you if the host name used in the URL is not identical to the one
listed in the certificate. To solve this, add the IP address and host name (ACL_nnnnnn
where nnnnnn is the serial number of the gateway) to your hosts file, located at
/etc/hosts on UNIX or C:\Windows\System32\Drivers\ETC\hosts on Windows; then use
the host name in the URL (for example, https://ACL_280152). Figure 117 is an example
of a host file:
Figure 109
Example of a Host File
# This is a sample HOSTS file used by Microsoft TCP/IP for Windows.
# Location: C:\WINDOWS\SYSTEM32\DRIVERS\ETC\hosts
#
127.0.0.1 localhost
10.31.4.47 ACL_280152
Secured Telnet
To enable the embedded Telnet server on the gateway, set the parameter
TelnetServerEnable (described in
Table 37
) to 1 (standard mode) or 2 (SSL mode); no
information is transmitted in the clear when SSL mode is used.
If the Telnet server is set to SSL mode, a special Telnet client is required on your PC to
connect to the Telnet interface over a secured connection; examples include C-Kermit for
UNIX, Kermit-95 for Windows, and 3Com' acSSLTelnet utility for Windows (that requires
prior installation of the free OpenSSL toolkit). Contact 3Com to obtain the acSSLTelnet
utility.
Server Certificate Replacement
The gateway is supplied with a working SSL configuration consisting of a unique self-signed
server certificate. If an organizational Public Key Infrastructure (PKI) is used, you may wish
to replace this certificate with one provided by your security administrator.
To replace the gateway’s self-signed certificate:
1
Your network administrator should allocate a unique DNS name for the gateway (for
example, dns_name.corp.customer.com). This name is used to access the device, and
should therefore be listed in the server certificate.
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