Session Secure
Is it safe to store credit card information in the ASP session state to be ultimately transmitted to VeriSign? I have a set of forms that are in the format of a wizard and I need to maintain the information through the pages. I know cookies are potentially unsafe, and I don't want to be responsible for credit card information being stored in my databases. I would use this type of method...
Code:
<% Session("CCNumber") = Request.Form("CCNumber") %>
If it helps, I have a VeriSign SSL certificate.
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I am trying to develop a forum in asp. I want to try and make it as secure as possible. I understand that if someone knows or guesses a session ID they can post requests to the server and potentially gain unauthorised access. How can I go about doing this securely?
I did think about using random strings as session id's but then how could i check to see if the user is logged in if i dont know what the session id is.
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I would like to implement user authentication and session management for my
applications. I've been using solution 1 (below) for most of my
applications in the past since the target audience is mostly intranet based.
Now that I'm creating a more global application, I want to use a method that
does not require cookies, yet maintain a farily high level of security and
fault tolerance.
Is there a better way to handle this problem? What method does the big
Internet shopping companies use?
Scenario:
A user is authenticated and is given a session key. The session key is
passed to the user in an HTML page and returned to the server using a query
string. The user then copies the URL and gives it to his friend to see.
Since the URL now contains the session key, how does the server distinguish
between the authenticated user and his friend?
Solution 1:
Use an ASP session variable to store the session key between page requests.
This solution requires that the client have session cookies enabled. If the
session is not encrypted (i.e. SSL), the ASP session id is still passed via.
clear text, and is vulnerable.
Solution 2:
Use a session key that identifies the location (IP address) of the user. If
the submitted session key doesn't match the user's location, then the
session key is invalid. The session key can be passed as part of the URL
and does not require cookies. This method is vulnerable to IP spoofing, and
breaks if the user is behind a NAT server, or web caching server that masks
the true IP address.
Solution 3:
Have the session key returned to the server via an HTTP POST request. This
method does not require cookies, but is clear text and vulnerable if the
session is not encrypted. The session key is lost if the user navigates to
a page manually issuing an HTTP GET request.
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Example:
session("IsLoggedIn")=false
Can this be changed on the user's machine by editing the cookie directly? (Please tell me it can't!). If so, will ASP know it has been tampered with, and refuse to "accept" it if changed to "true" ?
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Are session variables more secure then cookies?
Session cookies (cookies with no expiration) are destroyed when the browser is destroyed.
Session variables are destroyed when the browser is destroyed OR after a time period.
So, in that way, they are secure from the data persisting on the client.
However, while they are in use, can cookies and/or session variables be made secure without encryption?
How much more secure are session variables than cookies?
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ive seen alot of communites that use the session("") cookie to assaign
the userid after the login Since this is a cookie, isnt it easy to modifie it and become which user you want at the current community ?
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i have an ecommerce site that is split across two domains, a secure space that retains cc details and the main site where contact information and order details are held. I need to be able to produce a report that displays both sets of info in a printable document. aside from using iframes is there a better way of doing this?
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How do I stop pages being active in the history.
I have tried this,
<% Response.Expires = -1 %>
But the pages are still active in the history and are being cached somewhere on the machine win2k.
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If I create a simple login page and then store the UserId is a session and check its validity in the subsequent pages, How secure will the site be. I know the same question has been asked in the PHP forum
Code:
http://www.sitepoint.com/forums/showthread.php?t=233118
But how can I make my site secure enough in asp
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I may be in over my head on this one... VERY new to ASP. I have a potential client which is a marine loan broker. He wants an online credit application for the boat dealers he works with (20 different ones). He wants the credit app to be co-branded. Dealer/LoanCompany logos at the top would be sufficent. The dealer would have a link on there own site to the loan company's site but wants it to look like they are "Partners" and not just being shullde from one site to the next.
Is there a way to display different dealer logos based on the referrer URL? I would rather have one creditapp.asp that displays the proper logos depending on the referrer over building 20 creditapp.asp's. He doesn't need the form data written to a database. He just wants the form data emailed to him. (this I can do) How secure is that emailed data?
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Right now, I'm trying to use WSH to run PSCP (command-line version of
PuTTY). I've tested the command I'm using by opening a DOS box
manually on the server, and the test file is successfully transferred.
I've run Filemon and Regmon while running my sample ASP page, and see
no permissions problems. I've tried running cmd.exe and passing PSCP
as the parameter.
I've tried running PSCP.exe directly. I've even
tried using ASPexec to run it instead of WSH. None of these have
worked. I always get the same thing -- error code 0 (success) returned
from WSH or ASPexec, but when I look at the second server the file
never got there, and when I look at terminal services on the Web server
PSCP is still running.
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I'd like to create a secure login from an ASP page to a specific SQL Server
2000 Db. Is there an accepted methodology for doing this? Are there any
resourses that show how this can be done?
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I need to secure my web page, when it is reading a file from the
physical folder.
Say for eg.. I have a page Page1.aspx, which displays a list of links
that corresponds to
the available text files in one of the files. All the other pages are
secured except this
page. So when I click the link, it redirects it to for eg..
http://localhost/folder1/one.txt.
But this should not happen. As the user can type this without even
logging into the website.
So I need to know how to stream this file and display it in another
page, rather than just showing it.
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Iīve made a loginpage in asp, and a page that receives
the data from the form and logs you in.
But how do i make the loginpage secure?
Do i have to use https, and if so, how do i change from
http to https when the loginpage is included in another
asp-file?I donīt know if i have explained myself correctly
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Here's what I/m doing to sanitize/validate/secure my input.
1. The front end checks what kind of data is entered.
2. I am using parameterized query instead of concatenated strings (Against XSS)
3. I am replacing symbols like <,>,# etc with their appropriate entity number eg. & #32; without the space. (Agains SQL Injection)
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Can someone please explain to me the basics of creating a secure connection (we're looking at using Authorize.net) and possibly point me in the direction of other resources for getting some info?
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I have a site designed with ASP 3.0 code (HTML and vbscript) that I want to protect from being visible. I want this code to be non-visible and hack-proof. Is there a way to either encrypt or protect another way to ensure that my code is not stolen?
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do know how can i prevent my page from cross side
like using <marquee></marquee>
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I have a client with their own W2k server and their IT guy refuses to turn on the SMTP service for fear of it becoming hijacked by spammers.
However, they also want their web site to perform some emailing functions I would normally use CDOSYS for.
I'm having them look into alternate SMTP servers to use with CDOSYS, but I was wondering if anyone here can recommend a 3rd-party ASP-based SMTP app that might be more secure than IIS' built-in service?
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I've an ASP page in wich the customer write his card number for the payment. How can I make this information secure when it's sent to the server?
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I have written a simple script that is called every 75 seconds or so to test whether the SQL Server database is running. The script is contained in a page that is not linked to in the site.
The thing is I have hard coded the database information on the page, I was thinking of putting the connectionstring into my global.asa file as an application variable.
How secure are the two options?
Will there be any performance issues? Bearing in mind that this page is called every 75 seconds.
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I have set up an asp script which writes the output of a form to a database.I have achieved my database connection like this:Code:
DIM objConn
Set objConn = Server.CreateObject("ADODB.Connection")
objConn.ConnectionString = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" & _
Server.MapPath ("contact-2000.mdb") & ";User ID=admin"
objConn.Open
How do i go about making the database secure? at the moment anyone could view the source of the asp script and download the database.Which folder should the database be stored in? iv heard of using the root folder? at present the database is located in the same folder as my asp file.is there a way of setting up a password on the databas ein access and passing the password from my asp script to the database. the password would have to be encrypted though.
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We have a need to allow our users to enter Credit Card #'s on a web page, so we need a secure page (have the little lock at the bottom of the browser) in order to do this.
1) What is this called? (I've heard the term SSL (Secure Socket Layer)tossed around, I don't know if this is the same or something different).
2) If I need a certificate of some sort for our server, how do I get it?
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I have written a web app in asp3 which is used by lots of users.The data is all held server side.However,I want it so that the users can export the data in a csv file,much
like you can download a statement from online banking.
However,I don't want to save the file to the server,as then anyone else might guess the filename and download it.Is there any way to directly generate a file from an asp script.i.e.instead of asp returning html,it returns csv data which the user can save
away.
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there is a way to post form variables in the best secure way... i don't sure how or what is the technical way to do this and that is the aim of this subject... but somehow the form write all the inputes into cookie and than the asp file read the form outputs from the cookie and not from the form itself... why? how it works?
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I have an ASP application that I would like to give out to customers. how do I control the licencing. They will get the source code.. (I know I can put it into a DLL - its a possibility) but even then they can simple copy it elsewhere.
So what I thought was some code looks at the servers name, IP and current date and generates a code based on that. Then, I create a code at my end that will only work for that server name, IP and up to a date I specify. The code would be encrypted somehow. Does that sound like it would work?
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how do i restrict anyone by changing an asp file. can it be done using visual source safe? Is there any way that i can stop any one from making changes in my asp file.
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Are there any down sides to making the whole site jump to a secure layer from the word go? I have a site which does this from the point of login, but for people who don't login it stays in the normal zone. Just wondering about any possible side effects from making the default.asp jump straight into https unless it's there already.
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I have a client who needs to be able to upload confidential documents (.doc and PDF) to a "hidden" area within their website so other members of their organization can later view them at their convenience. This area would be restricted by logins and passwords, but it also needs to be secure enough that no outsiders could gain access to these documents if they tried.
I've read on here about placing files in a directory outside of the root directory and then reading them back with a script but I'm wondering if there are other options that would be even more secure than this. Maybe with using some sort of file encryption or something else used in conjunction with files outside the root. I would be open to any 3rd party commercial software if someone has had good experience with it. Does anyone have suggestions to offer?
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what is the best way to create secure passwords in a database. I have a login system that can create users but it saves the users passwords in clear text. how would i go about doing this so if people look in the database they will not know the password.
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any good tutorial sites that could help me code a members area. In a nut shell what im planning to do is.
member login - 3 attempts at accessing members area.different access levels for different users. i also want to allow admin to upload files [word docs mainly] and allow the members to download them. I have previously built an asp login but it was very basic and had no security put in place.
if you know of more security features i need then please share the knowledge, it has been a while since i coded a dynamic site.
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i have to secure my asp code. I tried "screnc.exe", it is very useful but not hard to crack. give an alternate and better way.
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i currently have an asp authorization system setup on my website for access to certain html pages. this works great, but i need to restrict access to some pdf files as well. as of right now if the user is authenicated they have access to links to certain the pdf.
the problem is if i change a users access privileges they or anyone could open the file directly if they save or can guess the correct path.
i have tried to setup webserver folder security and use usernameassword@domain.com but this doesn't work in ie.
I thought about placing the pdfs in a database but im afraid that will slow down access to the files.
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