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By using this code, you agree to the following terms...
1) You may use
this code in your own programs (and may compile it into a program and distribute it in compiled format for languages that allow it) freely and with no charge.
2) You MAY NOT redistribute this code (for example to a web site) without written permission from the original author. Failure to do so is a violation of copyright laws.
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'**************************************
' Name: Only allow certain IP Segments t
' o view your page.
' Description:This code allows you to on
' ly let in a certain range of IP address
' to your ASP page. That way you can filte
' r out anybody who isn't from a certain d
' omain(s).
' By: BP
'
'This code is copyrighted and has ' limited warranties.Please see http://w
' ww.Planet-Source-Code.com/vb/scripts/Sho
' wCode.asp?txtCodeId=6901&lngWId=4 'for details. '**************************************
<%@ Language=VBScript %>
<%
Dim myIP
myIP = Request.ServerVariables("REMOTE_ADDR")
'change the ip below... 127.0. is 127.0*
' , so if you're ip has that
'listed it will let you in, otherwise, i
' t won't... the farther you
'go down on the ip segement the more you
' will restrict
if InStr(myIP, "127.0.") > 0 Then
' Good Domain, Let them in
Else
response.write "<HTML><HEAD><TITLE>Authorization denied</TITLE></HEAD><BODY>"
response.write "Your domain is Not listed as one authorized To view this web-site.<HR>"
response.end
End if
%> | | |
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Report Bad Submission | | | | | Your Vote! | |
See Voting Log | | | | Other User Comments | 
9/25/2001 4:55:13 PM: Blake
Heh, if the code gets a 'poor' vote leave me a comment so I can find out what is 'poor' about it and fix it if it is a problem. This worked fine for me seeing that I have no admin rights on the server to restrict domains :P
(If this comment was disrespectful, please report it.)
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12/17/2001 4:10:36 PM: MoMad
Why not use regular expression?
<%@ Language=VBScript %>
<%
Dim myIP, rgExp
myIP = Request.ServerVariables(
(If this comment was disrespectful, please report it.)
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7/12/2002 3:07:42 AM: Ian
MoMad,
RegExp are great, but SOOOO hard to read! They're only propeller-head friendly. By using InStr, the author has ensured that even a newbie can decipher it.
(If this comment was disrespectful, please report it.)
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1/21/2003 8:35:37 AM:
This code has one flaw...
if you filter for "82.123" This will allow through both...
82.123.0.1 (Thats ok...) &
65.82.123.1 (Thats Bad...)
A better solution would be to split the ip address into 4 segements and if you are only validating the first 2 (127.0.*.*) Then only test the first two.
(If this comment was disrespectful, please report it.)
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By 4 Users