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Kaustubh Katdare
Kaustubh Katdare • Jul 10, 2008

Is it possible to alter self ip address?

CEans,

Could anyone here let me know if it is possible to alter our own IP address so as to 'appear' to be connected to the Internet from a different location (country)?

I hope my question is clear. I do NOT want techniques to do, just let me know if it is possible.

Case Study:

Evil hacker "A", physically located at location "x" alters his IP address so that he/she appears to be located at "y" to a person "B". "B" has denied access to to his blog to users from region "x", but since "A" appears to be from "y", A can break into "B"s blog.

Awaiting your responses.
MaRo
MaRo • Jul 10, 2008
Yes, Big K.
koli
koli • Jul 11, 2008
MaRo
Yes, Big K.
I dont think so.
How can you manupulate destination system (without hacking) detect different IP other then the actual source.
Ofcourse some web proxys wud help, if thats what you are hinting on MaRo.
Kaustubh Katdare
Kaustubh Katdare • Jul 11, 2008
I'm trying to find out if we can minimize hacking attempts by blocking IP from a particular destination.

But if altering IP address is possible, banning of IPs won't be of much use. Any hacker would alter his/her IP and still hack the target website.

MaRo - could you just briefly tell us how is it possible?
The_Big_K
I'm trying to find out if we can minimize hacking attempts by blocking IP from a particular destination.

But if altering IP address is possible, banning of IPs won't be of much use. Any hacker would alter his/her IP and still hack the target website.

MaRo - could you just briefly tell us how is it possible?

Biggi - I don't have loads of knowledge of networking still I will try to answer your question.

Example:- Suppose I have a IP range 172.16.XXX.XXX, but whenever I will try to access any networks, my IP will be traced in the system by my proxy's IP. If I will use proxy in a proxy then I can fool the system. Say if I will use my proxy, which will use any free proxy of US then for any system logs it will appear as I am trying to access from US system.

Maro - Please confirm if I have a bit of correct knowledge in this mail.

-Crazy
MaRo
MaRo • Jul 11, 2008
Yes, Proxy server that's redirecting to web proxy.
cyberdyne
cyberdyne • Jul 11, 2008
hi ,
my friend it is defnitely possible and it is a head ache to detect it.The process is called IP spoofing and there are many tools to do it.
for more information c this link
IP Spoofing: An Introduction
yes.
any computer data can be manipulated.

how easy is it?
i'm going to the spoofing link to find out
cyberdyne
hi ,
my friend it is defnitely possible and it is a head ache to detect it.The process is called IP spoofing and there are many tools to do it.
for more information c this link
IP Spoofing: An Introduction
Cool stuff man.... Thanks!

-Crazy
friendster7
friendster7 • Jul 14, 2008
hey big_k we can change the IP address by using so many software.It converts the original IP address to Proxy address.
Kaustubh Katdare
Kaustubh Katdare • Jul 14, 2008
Yes, I checked the IP spoofing thing. Thanks for the information guys!
aman gupta
aman gupta • Jul 15, 2008
yes its possible...............
Kaustubh Katdare
Kaustubh Katdare • Jul 17, 2008
Thanks for all your responses, friends. I gathered all necessary information 😀 !
th3 ied kid
th3 ied kid • Jul 21, 2008
hey long time ago i read in a book that computer forensic experts do have
techniques to boil out the client ip out of proxy coz proxies were made with
intention of NOT hiding client ip ...so proxies aren't secure from expert systems if u wish anonymity
But for those hackers sake herez the world called university internet...as most university offers free wifi internet that work on proxies ...and many restros, airports..kiosks etc implement such wified proxy u cud hack n run kinda stuff to stay low!
Well for basic not so intensive server scripts ..proxies are a headache...to
seperate the good from the bad ...may be evil will be of some help some day!!
haha!
saurabh
saurabh • Jul 21, 2008
cyberdyne
hi ,
my friend it is defnitely possible and it is a head ache to detect it.The process is called IP spoofing and there are many tools to do it.
for more information c this link
IP Spoofing: An Introduction


Ya i agree...Its IP Spoofing....
In IP spoofing, an attacker gains unauthorized access to a computer or a network by making it appear that a malicious message has come from a trusted machine by “spoofing” the IP address of that machine....its also used in DoS attacks...
niraj.kumar
niraj.kumar • Jul 24, 2008
YEAH THE SIMPLE REPLY TO THIS PROBLEM IS YES AND you can use PROXY

if u need further help .. then u can ask
Kathryn
Kathryn • Jul 24, 2008
yes it is possible.Yes, I checked the IP spoofing thing. Thanks for the information!

anjaneai
anjaneai • Jul 24, 2008
yes u definatly can do it! i have done it several tym to paralyze d download limit on several sites!u didnt ask so i wnt mention how!..c ya the big K
sandy r
sandy r • Aug 26, 2008
please forgive me, but I need some help here. (I can't even find the new thread post on the page that my web search brought me to...)

Several emails dissing my employer have supposedly been traced to my home computer by IDing IP addresses.
I did NOT send them
How is this possible?

Thank you -
Sandy
anuragh27crony
anuragh27crony • Aug 27, 2008
@Sandy R
There are many possibilities...
1. May be your mail id and password or your system might have been hacked.....

2. There may be possibility that other person might have spoofed your IP address....so that at destination during verification your IP address is noticed.

My doubt is how can a hacker can come to know about email ID of your employer... i think 1st possibility might have happened
niraj.kumar
niraj.kumar • Aug 27, 2008
Well you may be using the same external IP . Like in my case the whole society which is connected to the same service provider have same external IP Address.

So you should not worry about this if it is really serious your Service provide can tell you about the exact person through (NAT).
anuragh27crony
anuragh27crony • Aug 27, 2008
@Niraj

But in general the ISP's assign random global IP addresses to the system using their service....from a pool.. and changes from time to time.

***Proxy server uses the NAT scheme...not all ISP's use them***

so It's even hard for them to say....which machine has been assigned what.... other than they can provide the Physical address of a system which was assigned particular IP address at particular session
shadeslayer
shadeslayer • Aug 27, 2008
yeh..possible..no big deal
shadeslayer
shadeslayer • Aug 27, 2008
telling exact location of the person using IP is possible,,, i dont know how but i know it is possible coz i know cyber cell people and hackers use it.
shadeslayer
shadeslayer • Aug 27, 2008
IP spoofing is possible and can be detactable also .. IF and person is using the proxy still u can find that persons orignal IP and find the locatin,atlest up to city u can easily find....

if u get a chance to know that if that person is hosting webs than u can even find his contact numbers.....
sandy r
sandy r • Aug 27, 2008
thank you - the person wis sending emails with my IP knows the name and email of my employer.
I'm sure she is spoofing or hacking - tank you so much.
sandy

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