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Dmitry View Drop Down
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Points: 5 		Direct Link To This Post Topic: Request.ServerVariables("remote_addr")
    Posted: 29 December 2003 at 1:14pm

I try to use script to get client IP

<%
dim IPAddr
IPAddr = Request.ServerVariables("remote_addr")
Response.Write("Your IP Address is " & IPAddr)
%>

but script return IP of Web site, not CLIENT and not null value!

My site is hosted on W2000 server SP3, IIS, ISA


 



Edited by Dmitry
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dpyers View Drop Down
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Points: 3937 		Direct Link To This Post Posted: 29 December 2003 at 2:02pm

Request.ServerVariables("Remote_Addr")

...works for me. Shows my local ip when run from a script on the server

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MorningZ View Drop Down
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Points: 1793 		Direct Link To This Post Posted: 29 December 2003 at 9:41pm

Request.ServerVariables("REMOTE_HOST")

will always return whatever requested it's IP address
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Dmitry View Drop Down
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Points: 5 		Direct Link To This Post Posted: 05 January 2004 at 7:11am

Always?

Try this one:

http://m-200.ru/remote_addr/remote_addr.asp

<%
dim IAddr
IPAddr = Request.ServerVariables("remote_addr")
Response.Write("Request.ServerVariables(&quot;remote_add r&quot;) :" & IPAddr)
%>
<br>
<%
dim RH
RH = Request.ServerVariables("REMOTE_HOST")

Response.Write("Request.ServerVariables(&quot;REMOTE_HOS T&quot;) :" & RH)
%>
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dpyers View Drop Down
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Points: 3937 		Direct Link To This Post Posted: 05 January 2004 at 11:13am
While remote_addr can be used for ip spoofing, remote_host  can be configured in the server to be a reverse-dns lookup.

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MorningZ View Drop Down
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Points: 1793 		Direct Link To This Post Posted: 06 January 2004 at 12:52pm
Originally posted by Dmitry Dmitry wrote:

Always?

Try this one:

http://m-200.ru/remote_addr/remote_addr.asp

<%
dim IAddr
IPAddr = Request.ServerVariables("remote_addr")
Response.Write("Request.ServerVariables(&quot;remote_add r&quot;) :" & IPAddr)
%>
<br>
<%
dim RH
RH = Request.ServerVariables("REMOTE_HOST")

Response.Write("Request.ServerVariables(&quot;REMOTE_HOS T&quot;) :" & RH)
%>


not sure what didn't work for you, but that link works fine for me, shows my IP with no probs
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dpyers View Drop Down
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Points: 3937 		Direct Link To This Post Posted: 06 January 2004 at 1:24pm

REMOTE_HOST in Dimitry's example link returns "m-200.ru" for me. It's a server configuration on his end. Your server is not set-up to return the reverse dns string, but quite a few are.

If I cut and paste his code into a file on my server, it returns the ip.



Edited by dpyers

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Dmitry View Drop Down
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Points: 5 		Direct Link To This Post Posted: 13 January 2004 at 7:58am

If server is not configured to return the reverse dns

(you mean :

\Inetpub\AdminScripts>cscript adsutil.vbs set /w3svc/EnableReverseDNS false

Microsoft (R) Windows Script Host Version 5.6

Copyright (C) Microsoft Corporation 1996-2001. All rights reserved.

EnableReverseDNS                  : (BOOLEAN) Flase

)

It return "IP addres" on Request.ServerVariables("REMOTE_HOST")

same as "REMOTE_ADDR" in my case server IPaddres

if  I set "EnableReverseDNS true"

\Inetpub\AdminScripts>cscript adsutil.vbs set /w3svc/EnableReverseDNS true

EnableReverseDNS                  : (BOOLEAN) True

it return "m-200.ru" on Request.ServerVariables("REMOTE_HOST") 

Do you know other way to configure server to return the reverse dns?



Edited by Dmitry
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