Solved

Proxy hides real IP

Posted on 2003-12-09
4
372 Views
Last Modified: 2010-04-05
Dear Experts,

I just created the proxy, based on TIdTCPMapping Indy component, and I have a huge problem - the destination server can't see the original client IP. For example, user from 11.11.11.11 connects to my proxy at port 2525 then proxy redirects request to server at port 25, but server always see host IP where proxy is running (in my case 127.0.0.1), so real IP 11.11.11.11 is hidden! How can I get rid of this proxy "feature"? I know there can be low-level NDIS, LSP and TDI stuff, but I'm not C++ programmer.

TIA,
dumb
0
Comment
Question by:iam_dumb
4 Comments
 
LVL 8

Accepted Solution

by:
gmayo earned 250 total points
Comment Utility
That's the general idea of a proxy server. You pass info to the proxy, it forwards it onto the destination with its own IP address as the return address, which then gets forwarded back to you by the proxy. What protocol are you using - HTTP? The proxy obviously needs to remember which client requested it, so it would normally store the client address somewhere, but that depends on the protocol as to exactly where.

Geoff M.
0
 

Author Comment

by:iam_dumb
Comment Utility
I use SMTP, and since proxy hide real IP address, many security features of mail server, based on sender IP, become useless.
0

Featured Post

Enabling OSINT in Activity Based Intelligence

Activity based intelligence (ABI) requires access to all available sources of data. Recorded Future allows analysts to observe structured data on the open, deep, and dark web.

Join & Write a Comment

Objective: - This article will help user in how to convert their numeric value become words. How to use 1. You can copy this code in your Unit as function 2. than you can perform your function by type this code The Code   (CODE) The Im…
In my programming career I have only very rarely run into situations where operator overloading would be of any use in my work.  Normally those situations involved math with either overly large numbers (hundreds of thousands of digits or accuracy re…
In this seventh video of the Xpdf series, we discuss and demonstrate the PDFfonts utility, which lists all the fonts used in a PDF file. It does this via a command line interface, making it suitable for use in programs, scripts, batch files — any pl…
This demo shows you how to set up the containerized NetScaler CPX with NetScaler Management and Analytics System in a non-routable Mesos/Marathon environment for use with Micro-Services applications.

743 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

7 Experts available now in Live!

Get 1:1 Help Now