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Firewall logged on shows blank screen, why?

Posted on 2013-12-18
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Last Modified: 2014-01-10
This is using the Fortinet fortigate 110 firewall. My co-worker told me that after logged on via the web console, what he saw is the blank screen. What went wrong and how to solve it?

thanks in advance.
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Question by:MichaelBalack
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by:dpk_wal
ID: 39728406
Please ensure that cable is correct and you are using the correct COM port in the terminal emulation program [eg, hyperterminal or putty]

Follow steps below:

1. Connect the serial cable to the COM port of your computer and to the 110 console port.
2. Start terminal emulation program.
3. Select following port settings:
     Bits per second 9600 [or 9600 baud]
     Data bits 8
     Parity None
     Stop bits 1
     Flow control None

Now if the cable is working; COM port is also working properly then you would get prompted for username after hitting ENTER key once or twice.

If cable and COM are working [may be connected to another device and shows output] then it could be a faulty console port on the device.

Please check and update.

Thank you.
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Author Comment

by:MichaelBalack
ID: 39728515
Hi dpk_wal,

Sorry is not blank screen, but the whole web menu looks hung.
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Expert Comment

by:dpk_wal
ID: 39728676
Try using a different cable and different COM port; other than that the CLI access should work.

Please check and update.
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Expert Comment

by:myramu
ID: 39729281
Hello MichaelBalack,

If you are able to access the device using SSH, clear the browser cache and cookies. I would recommend to use Mozilla browser.

If you still have the same issue check "httpsd" demon is running using the command " diag sys top".

If "httpsd" demon is not running, looks like web demon is crashed and try by rebooting the device.

Good Luck!
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by:dpk_wal
ID: 39731099
Are you using web browser or using console port on the device; more details would certainly help.
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MichaelBalack earned 0 total points
ID: 39739690
Hi all,

At the end, i decided to format the firewall and then upgrade with a much higher version of firmware. All these done in command, ans now is working fine.
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Expert Comment

by:dpk_wal
ID: 39749449
Good to know that the problem is resolved.
Happy New Year 2014.
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Author Closing Comment

by:MichaelBalack
ID: 39770550
It works
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Network Monitoring is essential to ensure that computer systems and network devices are running. Use PRTG to monitor LANs, servers, websites, applications and devices, bandwidth, virtual environments, remote systems, IoT, and many more. PRTG is easy to set up & use.

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