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Page 771 / 944 Scroll up to view Page 766 - 770
Chapter 51 Troubleshooting
ZyWALL USG 50 User’s Guide
771
I cannot get a certificate to import into the ZyWALL.
1
For
My Certificates
, you can import a certificate that matches a corresponding
certification request that was generated by the ZyWALL. You can also import a
certificate in PKCS#12 format, including the certificate’s public and private keys.
2
You must remove any spaces from the certificate’s filename before you can import
the certificate.
3
Any certificate that you want to import has to be in one of these file formats:
•
Binary X.509: This is an ITU-T recommendation that defines the formats for
X.509 certificates.
•
PEM (Base-64) encoded X.509: This Privacy Enhanced Mail format uses
lowercase letters, uppercase letters and numerals to convert a binary X.509
certificate into a printable form.
•
Binary PKCS#7: This is a standard that defines the general syntax for data
(including digital signatures) that may be encrypted. A PKCS #7 file is used to
transfer a public key certificate. The private key is not included. The ZyWALL
currently allows the importation of a PKS#7 file that contains a single
certificate.
•
PEM (Base-64) encoded PKCS#7: This Privacy Enhanced Mail (PEM) format uses
lowercase letters, uppercase letters and numerals to convert a binary PKCS#7
certificate into a printable form.
•
Binary PKCS#12: This is a format for transferring public key and private key
certificates.The private key in a PKCS #12 file is within a password-encrypted
envelope. The file’s password is not connected to your certificate’s public or
private passwords. Exporting a PKCS #12 file creates this and you must provide
it to decrypt the contents when you import the file into the ZyWALL.
Note: Be careful not to convert a binary file to text during the transfer process. It is
easy for this to occur since many programs use text files by default.
I cannot access the ZyWALL from a computer connected to the Internet.
Check the service control rules and to-ZyWALL firewall rules.
I uploaded a logo to display on the upper left corner of the Web Configurator login
screen and access page but it does not display properly.
Make sure the logo file is a GIF, JPG, or PNG of 100 kilobytes or less.
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I uploaded a logo to use as the screen or window background but it does not
display properly.
Make sure the logo file is a GIF, JPG, or PNG of 100 kilobytes or less.
The ZyWALL’s traffic throughput rate decreased after I started collecting traffic
statistics.
Data collection may decrease the ZyWALL’s traffic throughput rate.
I can only see newer logs. Older logs are missing.
When a log reaches the maximum number of log messages, new log messages
automatically overwrite existing log messages, starting with the oldest existing log
message first.
The commands in my configuration file or shell script are not working properly.
•
In a configuration file or shell script, use “#” or “!” as the first character of a
command line to have the ZyWALL treat the line as a comment.
•
Your configuration files or shell scripts can use “exit” or a command line
consisting of a single “!” to have the ZyWALL exit sub command mode.
• Include
write
commands in your scripts. Otherwise the changes will be lost
when the ZyWALL restarts. You could use multiple
write
commands in a long
script.
Note: “exit” or “!'” must follow sub commands if it is to make the ZyWALL exit sub
command mode.
See
Chapter 47 on page 737
for more on configuration files and shell scripts.
I cannot get the firmware uploaded using the commands.
The Web Configurator is the recommended method for uploading firmware. You
only need to use the command line interface if you need to recover the firmware.
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773
See the CLI Reference Guide for how to determine if you need to recover the
firmware and how to recover it.
My packet capture captured less than I wanted or failed.
The packet capture screen’s
File Size
sets a maximum size limit for the total
combined size of all the capture files on the ZyWALL, including any existing
capture files and any new capture files you generate. If you have existing capture
files you may need to set this size larger or delete existing capture files.
The ZyWALL stops the capture and generates the capture file when either the
capture files reach the
File Size
or the time period specified in the
Duration
field
expires.
My earlier packet capture files are missing.
New capture files overwrite existing files of the same name. Change the
File
Suffix
field’s setting to avoid this.
51.1
Resetting the ZyWALL
If you cannot access the ZyWALL by any method, try restarting it by turning the
power off and then on again. If you still cannot access the ZyWALL by any method
or you forget the administrator password(s), you can reset the ZyWALL to its
factory-default settings. Any configuration files or shell scripts that you saved on
the ZyWALL should still be available afterwards.
Use the following procedure to reset the ZyWALL to its factory-default settings.
This overwrites the settings in the startup-config.conf file with the settings in the
system-default.conf file.
Note: This procedure removes the current configuration.
If you want to reboot the device without changing the current configuration, see
Chapter 49 on page 755
.
1
Make sure the
SYS
LED is on and not blinking.
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774
2
Press the
RESET
button and hold it until the
SYS
LED begins to blink. (This
usually takes about five seconds.)
3
Release the
RESET
button, and wait for the ZyWALL to restart.
You should be able to access the ZyWALL using the default settings.
51.2
Getting More Troubleshooting Help
Search for support information for your model at www.zyxel.com for more
troubleshooting suggestions.
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775
C
HAPTER
52
Product Specifications
The following specifications are subject to change without notice. See
Chapter 2
on page 37
for a general overview of key features.
This table provides basic device specifications.
This table provides hardware specifications.
Table 240
Default Login Information
ATTRIBUTE
SPECIFICATION
Default IP Address
(P3, P4)
192.168.1.1
Default Subnet Mask
(P3, P4)
255.255.255.0 (24 bits)
Default Password
1234
Table 241
Hardware Specifications
FEATURE
SPECIFICATION
Ethernet Interfaces
Number of Ethernet interfaces: 5
Management interface
RS-232, DB9F connector
USB Slots
2, 2.0 plug and play
Compatible USB Cards
(3G)
Huawei: E220, E270, E169, and E800
Power Requirements
12V DC
Operating Environment
Temperature: 0 C to 50 C
Humidity: 20% to 95% (non-condensing)
Storage Environment
Temperature: -30 C to 60 C
Humidity: 20% to 95% (non-condensing)
MTBF
Mean Time Between Failures:
323,823 hours
Dimensions
242 (W) x 175 (D) x 35.5 (H) mm
Weight
1.2 kg

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