How to get the remote user IP address if behind the proxy or firewall

Hi
How do i get the remote user Ip address who is invoking the servlet behind from a firewall.
When i use getRemoteHostAddr it gives the proxy ip address not the actuall user host address... Kindly let me know how to get the actual user ip address
satish

There is no reliable way to determine the original IP, and such information is not useful to you if the original IP is behind a firewall. What do you propose to use it for? There is probably an alternative way to do things that does not require the remote IP.

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Getting a remote file with Mac OS behind NTLM proxy

Hello
I need to get a file from a server, in this case using an Applet but I do not think it to be much pertinence to this case.
I have standard code that works perfectly in all OS except on Mac when it is behind a NTLM proxy.
The code is the following:
public String urlConnection(String url) {
          URL conf;
          StringBuilder sb = new StringBuilder();
          try {
               conf = new URL(url);
             URLConnection cc = conf.openConnection();
             BufferedReader in = new BufferedReader(
                                     new InputStreamReader(
                                     cc.getInputStream()));
             sb = new StringBuilder();
             String inputLine;
             while ((inputLine = in.readLine()) != null)
                 //System.out.println(inputLine);
                  sb.append(inputLine);
             in.close();
          } catch (MalformedURLException e) {
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               return "Erro";
          } catch (IOException e) {
               logger.error("IOException", e);
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        return sb.toString(); //Insted of returning bytes I do intend to return a string, but the return type of the method it is not the issue
     }As I stated, this code works perfectly for 95% of the users accessing the applet.
But behind the NTLM proxy I get a "liveconnect: Java: Returning a null"
Is there some other way to remotly access a file to see if I can go arround this situation?
Thank you
Brian

It is in fact HTTPs and not HTTP.
However, this does not has any problem in Windows and Linux, only on mac and only behind the NTLM proxy...
The stack trace is:
network: Connecting http://A/generic/javascript/java/lang/ObjectBeanInfo.class with proxy=DIRECT
network: Connecting http://A/generic/javascript/java/lang/ObjectBeanInfo.class with cookie "ASP.NET_SessionId=2kvabj55dmof3meqgsw2g445; Start=true;
liveconnect: Java: Obj is <applet.AppletTest>
liveconnect: Java: method is <public String urlConnection(String url)>
liveconnect: Java: method has 1 arguments.
liveconnect: JavaScript: caller and callee have same origin
liveconnect: JavaScript: default security policy = http://A/generic/javascript/index.htm
Ola
network: Connecting https://Cliente/config_final.xml with proxy=HTTP @ proxy.Cliente.pt/20.0.0.251:8080
network: Searching for authentication for protocol=https, siteName="proxy.Cliente.pt", port = 8080, scheme=ntlm, realm=, requestingURL="https://Cliente/config_final.xml, isProxy = yes
network: Found username=Cliente\utilizadorTeste
liveconnect: Java: Returning a null

WebGUI: How to get the users IP-address

Hello.
I have to develop a simple web-application, that will enable users to reset their forgotten passwords or to unlock themselves, if they are locked because of too many failed login-attempts.
As you can imagine, this application must not require a login. For security reasons any action has to be logged.
The username can not be used for logging-purposes, as the application is executed using a default-user defined in transaction SICF. That's why the IP-address of the user's pc has to be written into the log-table.
My problem is, that i do not know how to get it. I have read many articles on help.sap.com, searched in the sap notes, used Google and tried to find usefull functions in our SAP-system, but after two days it still does not work and i do'nt know, what else to try.
At the moment i am able to read the name of the client-pc with my test-coding.
  DATA:    lv_webgui TYPE xfeld.
  STATICS: lv_computer_name TYPE string,
           lv_username TYPE string.
  CLASS: cl_gui_frontend_services DEFINITION LOAD.
  lv_webgui = cl_gui_frontend_services=>www_active.
  IF lv_webgui EQ gc_true.
    " Begin of experimental coding #1
    CALL METHOD cl_gui_frontend_services=>get_computer_name
      CHANGING
        computer_name = lv_computer_name.
    " End of experimental coding #1
    " Begin of experimental coding #2
    CALL FUNCTION 'ITS_ENV_GET_VARIABLE'
      EXPORTING
        variable = 'COMPUTERNAME'
      CHANGING
        value = lv_computer_name.
    " End of experimental coding #2
    MESSAGE s000(38) WITH lv_computer_name.
  ENDIF.
The problem is, that the Internet Explorer 7 (version: 7.0.5730.13CO) shows a warning before the scripts, generated by the ITS, are executed on the client. If the user clicks "abort", the scripts are not executed and the name of the client-pc will not be returned to the server (experimental coding #1 returns the value 'localhost', experimental coding #2 returns an empty string).
That's why the experimental coding is quite useless, because the user is able to avoid it's execution.
In theory i could use experimental coding #2 and stop the execution of the program if an empty string is returned but some users in our company have administrator-privileges and so they can change environment-variables at will. So i am afraid, that this procedure is not an option.
I am quite sure, that there must be a way to read the IP-address directly from the ITS without using the functions in my experimental coding, but i have no clue how this could be done.
Any suggestions would be highly appreciated.
As i do'nt know how to determine the version of our ITS, i have to leave this information out for the moment. If anyone needs this information it would be very kind, if he or she could tell me how to get the required information.
EDIT: As we are using SAP ECC 6.0 and Services are maintained via transaction SICF, it should be ITS 6.40.
Regards
Jörg Neumann
Edited by: Jörg Neumann on Oct 16, 2009 1:27 PM

Hello Wolfgang.
Thanks for your reply.
I can imagine, that the application as described above seems to be very insecure, but the description is not complete - i left some parts out, as they were not relevant for my problem.
1.) The application can only be reached from our intranet.
2.) Unlocking / Resetting password can be done three times per day, which limits the number of attemps for cracking a password to a total of 20 per day.
3.) The owner of the account will receive an email if the acount was changed by the application. So if somebody tries to crack the password, the owner of the account will get a total
20 3 mails per day - which should make him/her at least a litte suspicious.
I know, that the logged data is quite worthless, as computername and username are read using clientside-scripting and there could be a proxy between the client and the server, but this is exaclty, what i have to develop.
I will keep the logging-problem in mind and talk about it in the next meeting, though i am quite sure, that it wo'nt change anything.
Regards Jörg Neumann
Edited by: Jörg Neumann on Oct 19, 2009 4:57 PM

How to get the active application users IP address in R12 by sql command

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Am working on 12.1.3 Application
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936921 wrote:
Am still couldn't found the IP address for the connected Application users.
If there any select statement can help me with that?
Really? Then how do you explain me finding the following docs from the links I referenced above?
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We have a custom program which will add / delete attributes (In transaction PPOSA_BBP). It is working fine for users which were assigned with CP relation But it fails for users which doesnu2019t have CP relation (since we are getting the position of users form HRP1001 then we are retrieving the existing attributes based on the position after that updating the attributes) as we are getting the position from HRP1001 it fails for users were no CP relation.
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Hi Paul,
Have a look at these tables.
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Central business partner address data
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I had defined the user informations in "Portal User Details". But i don't know how to get it and what the user table is?
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Tank you very much!
Ghia Liu
Genesyslogic.com.tw

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I am working on a SAP Script , which is for PO(Zmedruck_po) , which is a copy of
MEDRUCK.
I am asked to print the delivery adress in a window .
The scenario is like this .
In ME23N , under item details , there is a tab called DELIVERY ADDRESS
this has option to enter the adress details or a delivery number in the address text box .
If the address number is present i have to print that address , else i have to print the address which is entered in the delivery address tab.
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I debuged ,but could not find out.
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Hi,
try using the below method:
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lucky,
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Using UMEfactory u can do that...
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Hi,
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Kind Regards, John Naguib Technical Consultant/Architect MCITP, MCPD, MCTS, MCT, TOGAF 9 Foundation

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We have this sample code
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How to get the remote user IP address if behind the proxy or firewall

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