Ip Address

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KatieKat

Thread Starter
What can a person find out about you if they have your ip address?
 
Joined
Jan 16, 2003
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Depends what level of effort they put in.

By doing a netblock lookup on the address, they can find out who owns the range of addresses you are coming from; this will usually be your ISP.

By using lookup tables they can usually tell what country you are in. With a more comprehensive but less easy-to-obtain lookup they can often get this down to general physical location, eg. town.

By doing a traceroute on the IP address and looking at which routers a packet goes through on the way to you, they can usually make a better guess of your physical location, for example if the last router at the ISP is called 'gw-townsville.isp.net'.

If they *really* need to, they can contact your ISP and ask for the phone number that called in and received a certain IP address at a particular time. This generally only happens in serious cases (eg. if your box has been used for network attacks or downloading kid porn).

If you're wondering about those Bonzi ads that decry "Your computer is broadcasting an IP address! You're going to DIE!!!!", they're stupid nonsense. Ignore them.
 
K

KatieKat

Thread Starter
Cool, thank you. :) But one thing...

If they *really* need to, they can contact your ISP and ask for the phone number that called in and received a certain IP address at a particular time.
I'm not sure if I understand this one. Hmmm, they can contact my isp and ask for what phone number?
 
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7,762
THEY being the authorities, can request your details that were provided to the ISP in order to get your account setup. That would mean your Name, address, phone, etc


THEY does not mean any joe blogg that gets on the internet.
 

Del

Joined
Aug 31, 2001
Messages
3,452
Relax, your ISP doesn't just give the information to anyone that calls, but for serious abuse or threats, the authorities can get that info.
 
K

KatieKat

Thread Starter
Ok, I thought you were talking about anyone. That makes me feel better.

Thanks guys. :)
 

Del

Joined
Aug 31, 2001
Messages
3,452
No prob.
They would have to pretty much have a court order to get the records.
 
K

KatieKat

Thread Starter
I got this form another website:: What's your opinion??

"All of the things above can be acheived in about 20secs from one website. For example after getting so & so's i.p ...i ran a tracer on it which came up with some interesting stuff, like which isp he uses, where he is in the world what operating system he uses and even the screen resolution etc... And because i own a domain, i could report him to his isp for misuse and get contact details as you say above.

A really competant hacker will be able to find out what ever he wants, by for example hacking your machine and installing a trojan of some description with a keylogger. Look through address books etc... maybe even contact your freinds and ask them. There are so many ways that there just isnt any point worrying about it. If its going to happen, it will regardless of any countermeasures.

You can run your comp through another network so that the i.p address becomes very hard to trace blah blah blah but a good hacker will still get ya :| The best thing to do is just use someone elses computer like an internet cafe etc..."
 

Del

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3,452
I've used the internet back when you had a 9600 baud modem and it was the fastest thing out there.
I have never had a problem.

Now is use a Netgear Router, Zero Knowledge (Freedom 3.2) software firewall and My-Etrust antivirus software.
I leave the machines on except when I want to turn one off and have not had a virus, trogan, hacker or any other problem.
And I'm not overly concerned about opening emails I don't recognize or surfing to any site I chose.

I refuse to be parinoid, but do take safety prcautions like the AV and keeping it updated.
 
Joined
Dec 27, 2002
Messages
362
KatieKat,

You should use a firewall to prevent hacks to your computer and if by chance a trojan got in, the firewall would alert you and block the trojan from contacting the internet. There are several good free firewalls if you don't have one.

If someone *really* wants to hack you, they probably can. But a firewall and av program go a long way toward prevention. That and not using Kazaa :D

If you use p2p file sharing progs, at least get one without spyware.

If you click on my website link at the bottom of my post, I have a lot of security info and links for downloads for av, firewalls and anti-trojan software.

Del - you have been lucky :D I've never had a virus or trojan, but I did get "lopped" and "comet cursed". That's what got me interested in security for my computer.

KatieKat, one more thing- there's a free program called SpywareBlaster that prevents a lot of spyware/adware/browser hijackers junk from downloading themselves into your computer.
 

Del

Joined
Aug 31, 2001
Messages
3,452
Hi Suzi,
Guess 4 years in Tech Support has built in the avoid the beast syndrom.
I do get updated signature files from my etrust on the average of 6 times a week and update every one.
I have people send me infected emails just to see if I can get past it, but so far, it's been infalible??
 
K

KatieKat

Thread Starter
what about programs like AIM??

Could someone hack you while you're talking to them? I know there's a risk, but is there any way to prevent that from happening? (besides not using it)

I have a firewall (Mcafee) so I set AIM to outbaound access only. Would that make a difference? *clueless*
 

Del

Joined
Aug 31, 2001
Messages
3,452
Don't use any messenger type software, but if you set AIM to outbound only, you're only going to be able to talk but no one will be able to answer you.
 
K

KatieKat

Thread Starter
That's messed up because it is set to outbound only..but people still can talk to me through AIM. :confused:
 

Del

Joined
Aug 31, 2001
Messages
3,452
As long as you have a good Antivirus software and keep it updated, you should be fine.
 
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