SonicWall TZ180 - How to Access?

Took over a network from another IT company.  No notes, no documentations.
They have a SonicWall TZ180.
I can't access it.
The default gateway is 192.168.23.1.
I can't open it in an IE window.  I've used a DB9 adapter and an ethernet cable to connect directly to it in the Console and Opt and Lan connections, as well as an ehernet straight to each of these.

I need to access it in order to change the password on it and the VPN, so the old IT company can not gain entry through it.

I've never worked with a Sonicwall before.

This is a workgroup environment.  I'd just go get a new router and raplce, but the client is leary because many users are in the field in other states.

Any ideas?
cw430Asked:
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IT-Monkey-DaveCommented:
It's possible the previous admin changed the f/w to a non-standard management port, or it might only work on port 443 (ssl).  Try https://x.x.x.x (firewall's LAN interface IP).
Do you get a prompt when you connect to the serial port via hyperterminal or something like that?  Even if the management url is non-standard, you should be able to get a command prompt via a serial connection.  You might have to be very explicit with the serial port settings ie baud rate.  I would try 115200 first, go down from there if no luck.
Notwithstanding that, once you do get to a login dialog, if you don't have the current admin password, I think you're screwed.  You can do a force-reset on the box to revert to factory default settings for everything.  There should be one of those small "hidden" reset buttons somewhere.  There might also be a safe mode boot option.
Hope that helps at least some.
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AaronCLSCommented:
Your toast. IF you have a saved config somewhere you can do a reset of the system and import the preferences back in.(the admin username and password does not get copied over to the file)  You could try to boot in to safe mode by hitting the reset button with the device plugged in.  However I do not think that the admin password/username resets on a safe mode boot. the only way around would be to reset the preferences to factory default and reconfigure the sonicwall.

I had this issue in the past and now make sure when we have changes that are made we have a backup of the prefernce file.

Sorry i wish i had better insructions/hope for you.

BTW sonicwalls are pretty good pieces of equipment when it is all said and done.
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cw430Author Commented:
Thank\s for the replies.  

I did find the SonicWall on the network fianlly.  The IP Address of the network is 192.168.23.X, but the Ip of the SonicWall is 192.168.25.1.  If there was a backup of the configs, would the file extension be a .bin?  If not, what?  Maybe I can search for that, though no way to know if I imported what the hell the configs would actually be.

I have the network locked down except for the Firewall.  Thinking of just rebooting it and starting from scraatch.  I can't find another solution, unless the old IT gives me the username/passwords.  We'll see.  Thanks again for your help.
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IT-Monkey-DaveCommented:
On the Pro2040 and Pro3060 the config backup files have a .exp extension (export).
Good luck.
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AaronCLSCommented:
The tz180s are the same... .exp  
In all honestly the best thing may be to dump it and start from scratch.  just be sure to know what you need ot recreate. =)
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