So it’s happened to the best of us. Sometimes you lose the login details to your ISP. Usually you can ignore this, since the details are already in your DSL modem and you can just leave your DSL modem’s settings as they are. But what do you do when you buy a newer DSL modem and don’t know the login details for your ISP? Well fortunately, you’re in luck, it’s possible to simply ask your DSL modem to show you the login details.
Obtaining the login details that your modem is using to connect to the web is easy and takes just a few minutes.
Connect to your modem and enable TelNet
- First, connect to your modem, either using a LAN cable or Wi-Fi.
- You need to enable a Windows feature called, TelNet. In Windows 7, simply go to Start –> Default Programs –> Programs and Features –> Turn Windows features on or off
- In the tab, look for the TelNet feature and make sure it is checked.
TelNet into your modem
- On the task bar, Left-Click your network connection (bottom-right), Open Network and Sharing Center, look under, View your active networks, to find, Connections, Left-Click on the connection you see listed, then click, details.
The dialog box which pops up will contain information about your current connection. Several IP addresses will be listed, you’re interested in the IPv4-6 Default Gateway address. Write this number down somewhere.
- Open up the Start-bar and type, “CMD” into the search.
- Open the, cmd.exe, that shows up.
- With CMD open, enter the following; telnet (your default gateway address)
The next prompt will ask you for your username and password to access the modem. The username is usually ‘admin’ while the password is usually the same password you use to connect to your modem’s Wi-Fi.
If you do it right, you’ll get a, > prompt.
Get the adsl Username & Password
What you want to do is display the configuration file for your modem, which has your adsl username and password contained within it.
- Type in, dumpcfg, and press enter. If that does nothing, then type, help, and look for the command to dump the configuration file.
You’ll be presented with a long, long printout of data. You’ll have to scan through every line until you come across the, username & password.
The username will probably be presented directly, it’ll look something like an email address in most cases. The password, however, will probably be encrypted.
You’ll have to decrypt the password to find out what it is. Fortunately there’s a hex to text tool on EFB to help you do just that! Sometimes it’s in base64, other times it might be in something else, you’ll have to try a few of them.
Well, there you have it. Now you know how to retrieve your adsl login from your dsl modem, should you ever lose it.
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