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Network (in)Security Interesting hacks and cracks. Info on firewalls, TCP/IP, encryption, networks, and security. The ins and outs of the phone system, caller services, how things work, what's illegal and what's not, cellular phones, beepers, telephony legislation, the PUC, ISDN, taps, who's listening, and switches. Talking about phones, hacking systems, technical advice, and such is completely LEGAL in the United States -- it's covered by the First Amendment. What's illegal is conspiracy to commit a crime. So if you say something like "Meet me at 2am so we can crack a can" or "I changed my cell phone's number myself" you are criminally liable. Stating "You can crack a can by doing thus-and-so" or "If you wanted to change a cell phone's number, you could do it like so" is perfectly OK. Posting passwords, calling card numbers, or credit card numbers is forbidden on this network. Posting such info will get you booted off the net.

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 #1 
Old 2008-10-29, 02:23
Calypso Calypso is offline
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Default Help with internet cafe's router

Okay, so I got to this internet cafe's router's webpage. With all the options there, I decided to have a look to see if I could get rid of the time limit of one hour. (3600 seconds)

I found under DHCP>DHCP Server>Lease time.
Which was 3600 seconds. I changed it to 10,000, saved it.
Now, it didn't come up with a message saying I needed to reset the router. Does anyone here know if this would have worked, or is it much more advanced? This just seems a little too simple.
 #2 
Old 2008-10-29, 11:27
wargsm wargsm is offline
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Default Re: Help with internet cafe's router

If you've already changed it, why don't you just test it?
 #3 
Old 2008-10-29, 11:30
tinit tinit is offline
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Default Re: Help with internet cafe's router

Quote:
Originally Posted by wargsm
If you've already changed it, why don't you just test it?


Well if he had any common sense he would have googled it first :P
 #4 
Old 2008-10-29, 16:27
Super Moderator
 
In a nuclear crater
Default Re: Help with internet cafe's router

You actually need to change it on the other end -- on the router/DHCP server. You just made your machine not ask for the router to renew the DHCP lease (IP assignment).

Your IP will be reassigned to someone else if they get another customer, and you'll lose your connection, more often than not.
 #5 
Old 2008-10-29, 16:43
Moderator
 
Padmasana
Default Re: Help with internet cafe's router

Your IP will be reassigned to someone else if they get another customer, and you'll lose your connection, more often than not.

This is why I hate DHCP so much....
 #6 
Old 2008-10-29, 23:16
Regular
 
Valhalla
Default Re: Help with internet cafe's router

The first thing I'd have done is put my MAC address in a whitelist.
 #7 
Old 2008-10-30, 19:18
wargsm wargsm is offline
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Default Re: Help with internet cafe's router

Quote:
Originally Posted by Rykoshet
The first thing I'd have done is put my MAC address in a whitelist.


I imagine that there is at least one staff machine, and It would be logical to assume that that machine never has to pay for internet. If you spoofed your MAC address to that machines, then would that work?
 #8 
Old 2008-11-01, 04:09
KeepOnTruckin KeepOnTruckin is offline
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Default Re: Help with internet cafe's router

I imagine that there is at least one staff machine, and It would be logical to assume that that machine never has to pay for internet. If you spoofed your MAC address to that machines, then would that work?

see if you can find a list of IP addresses that are connected to the router.

Come back over several days and make a note of the IP addresses that are frequently there.

You would need to get the MAC address then, I belive you could do this by pinging the IP you wanted to know and they examineing your arp cache for a new one (obviously look at it before pinging and then again after)
 #9 
Old 2008-11-01, 05:31
Calypso Calypso is offline
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Default Re: Help with internet cafe's router

With this router, there's a page with all the machines connected, and it's got the MAC address right next to the IP..
 
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