Session / Clustered Servers
At work we have 2 servers in a cluster for our web apps.One problem we have experienced (along with many others!) - is that if a user is logged into one of the applications on server a for example and it goes offline or fails their session is lost also - even though the application becomes available on server b.
I have heard that it is possible to either exchange the sessions between clustered servers or store them in a SQL Server database (probably preferred) so that we could then restore them if such a failure should occur.Can anyone shed any light on this for me? Or give me some URL's to check out and read.Sorry this isn't a 100% pure IIS question - its obviously partly ASP also.
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I stumbled upon a site last night that said I can maintain a session variable between 2 servers.
I tried it out between 2 servers and it worked fine. However, I forgot the URL and have deleted the pages.... idiot!
Does anyone know what I am talking about, if so, please could you point me in the right direction.
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I have clustered IIS 5.0. It is working on a fail-over clustered model (Active-Passive), with one node as a preferred owner and the other only as a failover. I make the changes to IIS from one node, and then synchronize it with the other node.
All of the data is stored on a shared external disk array. I have around 50 websites. All of them work fine and are accessible. Recently I have found out a confusing problem though. Code:
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What type of servers allow you to use ASP pages? For example, PHP pages
can function in Apache.
Furthermore, what kind of servers allow you to operate ASP and Access
together?
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I have many servers which will be reghosted everyday with different OS
(Win2000, Win2003, WinXP...). How could I write the ASP code to get the
information of other servers' OS?
Let say the asp page is hosted on Server A, how can I check the OS version
of Server B and Server C?
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We have a web site where the user logs in and a session variable is set,
which allows access to all pages via an include at the top of every page (
if session("LoggedInOK")<>"Yes" etc)
We have some content on another unrelated server in a different domain that
we would like automatic access to, if the login is OK for site 1, without
re-entering a login. Even better would be if some other session variable
data could be transferred at the same time (like username). Navigation would
be via hyperlinks on site 1. Is there a simple way to do this? i.e. has this
wheel already been invented? (Encrypted querystrings? XMLHTTP?)
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If my server runs on Linux and I want to use an ASP script and files on it. When I upload the files, wehn I go to the file directory and click on the file it asks me the same as what it asks me if I try to open it at home.How can I overcome this?
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I have built a site completely with ASP.I am searching for free web host which works with ASP.give me a list web links of fre asp hosters.and i have used drive letters to access my database, how can i remove those drive letters (ex. "c:m.mdb").
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I am currently wanting to move data from a host i have at the moment onto a different one, has anyone got a tutorial, where i can connect 1 mysql DB on 1 server (a host Company) to an different one.
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Can you use session variables between a HTTP server and a HTTPS server? I need to use data from a form from the HTTP on the HTTPS but it doesnt seem to be working? If I cant what is the best way do reuse form data?
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I have a need to have a web server (windows based) grab files each week from
a linux based server - hosted elsewhere. I cannot use UNC paths.
I want to have a script (.asp/asp.net) on the windows server that I would
provide a list of files to copy. The script would then copy the listed files.
The problem is that the using a filestream and copyto runs into an error
with URI paths.
This will be a substantial amount of data each week. I don't want to copy
it locally and then back up to the windows web server. I want/need the copy
to be directly between the two servers.
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Does anyone knows of a way to copy some file fro the server to another computer WITHOUT using ftp?
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Our website works correctly for 99.9% of customers, however we have one set
of customers who access our website from what appears to be a proxy server
of some kind. i.e. The IP address is always the same no matter where the
location of the computer is.
My site is a framed site, and the specific problem is that a list of links
in one frame will not load a page on another frame. I don't believe this is
a browser compatibily problem. (I wont rule it out though). But there are no
problems as far as I can tell on other peoples computers.
My question is....Is there anything special that needs to be done to make
sure a site works through proxy servers, or is this likly to be some other
problem such as an SSL problem (the whole site is under ssl), browser
incompatibility problem, or just downright dodgy programing on my behalf?
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Here's the question: Can you use request.form to retrieve variables and values from a form submitted on a foreign server using the post method?
My understanding was that request.form could only retrieve values from the same web server the form was submitted to, using the post method.
I have another web master telling me this is how you pass information securely between "alien" web servers (web servers on different domains, or belonging to different organizations). For the life of me, I can't figure out how this might be done--or what the mechanism is for fetching the correct values from a foreign server!
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In the following code when i = 500 the buffer on the server is flushed
to the client. However, because the content that is sent to the browser
contains an html table Internet Explorer does not display the table
until it receives the closing </table> tag.
The question is, am I
correct in saying that the buffer on the server is CLEARED when i =
500? It will be empty for a split second until the loop resumes again.
Am I correct? Code:
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Let me explain how our web site in constructed before getting to my question. We have three web servers that are a mirror of each other. So whenever I make a change to one of our pages, I have to upload to all three servers. My new task (and its a good one) is to create an image upload script that will distribute the file to all three servers.
I already have an upload script that works just fine, however I wanted to see if anyone out there has attempted anything similar to this and what methods they used to achieve their goal.
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Does anyone know of any free POP3 email servers that would work with ASP pages?
I am running win2000 and have given up on getting my SMTP server to work.
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I have a .asp application lying out on a Windows 2000 server. The problem is it no longer is working. It seems that no .asp files will execute anylonger on this box. I even have a very basic .asp testfile that prints a line off text to the browser, but even these don't run. I got four errors in the event log for each failure. However, the browser displays this (with friendly error messages et to "off"):
Server Application Error
The server has encountered an error while loading an application during the processing of your request. Please refer to the event log for more detail information. Please contact the server administrator for assistance.
The event log errors are :
A COM+ device failed to start
Did not register with DCOM within the timeout.
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I am building an web application that will be hosted on load balanced servers
(multiple front and one backen db). The application will have to allow users
to upload files onto the server. For performance reasons, I do not want to
store binary files in the db (cuz there will be frequently retrieved and
stored and many will be within the range of 10 MB - powerpoint slides and pdf
files) so uploaded files will have to stay on the front end web server.
The problem with this approach is that there will have to be some mechanism that
replicates the files automatically among the front end servers. Can someone
shed some light on what the best apporach is to my problem? I am wondering
whether Windows 2000 has such service available to do file replication (if
so, how?)
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I'm trying to figure out a quick script that will let me link to a server share where the server could be 1 of a couple of different ones. The share will always be the same, but the server could be any of a list of maybe 5 or so choices as such:
server1share$
server2share$
server3share$
I'd basically like the script to check the different servers until it finds the one where the share exists, then redirect to it. The share will only exist on one server, but which one it is will change.
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how to find the session expired or not without using any session varaibles?
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I have a site that I'm trying to migrate to ASP.NET from ASP, and the
foremost stumbling block I'm hitting is session state between the ASP
and ASP.NET applications. In order to access this information, I'm
doing a HttpWebRequest from the ASP.NET side into an .asp page,
passing the session name on the get in order to request it from the
ASP side and write it back to the response stream, giving ASP.NET
access to it. Of course I change sessions each time I make the call
from the ASP.NET side.
Soooooo, I'm thinking to myself, "Self, shouldn't you be able to fake
out the server by getting the session cookie from the initial usage of
the asp, pass that data to the ASP.NET, and use that to send a request
back the ASP side under the appropriate session?"
From a real high level, I enter the site via a .asp page. This page
in turn calls .aspx page from within a frame ......
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I want to create an administration page which lists all the current users who are on the site at the moment.
I know coldfusion has this feature built in using the SessionTracker class... does ASP have something similar? If not... is there any way I can just iterate through all the session files on the server...?
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I have a site developed using ASP, but each page I enter has a different session id when accessing the site using the domain name of the site. When accessing the site from my network and using the internal IP address, it is OK. Any ideas?
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I want the suggestion what is better for use between:
Session.abandon
&
Session.Contents.Remove
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I wrote a website, which uses the session to store and track some vars.
Now I am gonna to covert it to desktop application by Activesite compiler 5, however, it doesnot support session , cookie , application() . SO ,I have no idea to find something can instead of session.
My orignal processing: Session -> modify Session var -> store to Database.
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There is a problem about ASP session ID. ASP session is implemented by storing session id in a session cookie, but I read this cookie in ISAPI Filter, get a string as following:
ASPSESSIONIDQADCQQTS = IAOFCBBCGDGMDGCNJIKPNBAN
But the real session ID is 554851848. (Real sessionID is sessionID property the ASP session object)
Problem is what is relation between them? And how to get real session ID from cookie session ID.
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I did a session("adminlogin")=1, if I post it to the same page, it returns true. But if I response.redirect to another page. This value doesn't exist anymore. This is on the actual server where all the ms security is updated.
The same script worked okay on my test server (the security patch not patched yet.)
Has anyone encountered this? How do you overcome it?
I tried searching the net it says the problem lies with a ms security patch. How I wish I can unintall that patch.
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when does a sesson object expire?
- at the end of 20 minutes
- after they close their browser ? does that end the session?
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I have a home page in html with two buttons to call my main.asp in another window my problem is:
1-From my home page I open another web page my main menu, this new page have a SessionID. (OK)
2-If I open another web page from the same home page, this new page have the same SessionID as the page open in first step
I want to get a new SessionID for every page I open from my home page and don't want to abandon the first session...
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I have asp and asp.net web application. When I run it in IE7 in first tab it
starts a new session. When I open second tab and browse to the same site the
new session is not started (infact I need to have new session there).
Whereas, 2 IE instances generate 2 unique sessions. Only issue is with IE
tabs. Firefox also has similar things but lets not talk about firefox here.
I am more concerned with IE only.
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In my login script I set session("User") = rs("User") the session timeout is set to 20 min
Do I need to setup some kind of update session variable on each page so that the timeout does run out or does iis update the variable aslong as I'm browsing the website ?
And another thing, <% application("something") %> works fine on my test server but once I implement it onto the main webserver I dont get any text out, is there some kind of switch that enables this function ?
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How can I know if a user session had timed out ?
I always get an error in my asp page when I try to access
my session variable if it timed out.
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