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Questions tagged [web-applications]

371 questions
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1 answer

What causes a 400 Bad Request error for null ("") and why would our nginx logs have so many?

Daily logs from Logwatch regularly report 400 Bad Request, null: 1744 Time(s) from our nginx logs. The log entries look like: 123.123.123.123 - - [25/Jan/2011:14:44:19 -0500] "-" 400 173 "-" "-" Can anyone explain how these are generated and why…
johnml
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8
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3 answers

Enterprise internal URL conventions

developer here... I'd like your IT perspective on this one... I'm building a new internal web app for my company, and starting to think about how it will be deployed. Many of the existing web apps here are linked-to using their server names…
Ben Brandt
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8
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6 answers

Web application to manage software distribution

I'm the IT guy for a small software development company. We have software that is downloadable by customers that purchased a license via our web site. I'm trying to find a solution to better manage the software download process. With each new…
Josh
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7
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1 answer

Is there a need for WAF in static website front with REST API?

I have two webistes www.mysite.com. -->hosted on s3 , served via Cloudfront static single page App. Then I have api.mysite.com , which the front end uses. My company is using WAF solution from thirdparty and current monolith applications are…
Master
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7
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3 answers

Web application deployment : one version for all clients or each his own

I have a general question about software deployment. At work, we design a CRM that is used through web browsers. I've recently been told that each specific client has its own server (although the servers are owned by my company, they're not theirs…
Shirraz
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7
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2 answers

In Apache how to define multiple ProxyPass to different servers with the same context-root?

** updated with workaround at bottom of this answer ** I have a requirement for my webapp to proxy to 2 external reporting servers. So I will have a menu-item for each external reporting server. But the browser-URL has too look like it's my server…
gotjee
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7
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1 answer

Nginx : strip header on HTTP, add header on HTTPS

I'm configuring an Nginx server so as to serve as a reverse proxy to serve a Django app (run on Gunicorn). My problem is that I want my site secured with HTTPS, and so I want my Django app to be able to determine whether a connection is secure or…
Thomas Orozco
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6
votes
2 answers

Cloud infrastructure for home and personal experimentation?

As with many techies-- I've accumulated a number of older x86 servers, x86 desktops, and Cisco switches over the last few years. I'd like to build a small cloud cluster for web app experiments (web server + database + application server). That is,…
crftr
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6
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3 answers

Apache2 reverse proxy seems to intermittently freeze?

Apache2 reverse proxy seems to intermittently freeze when proxying a tomcat web app. The problem is that every so often (once or twice a day usually after inactivity) when I try to log into this proxied web application it just freezes. The…
tinny
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6
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3 answers

Hosted form of web-based file transfer tools

I'm looking for some software that will provide a service that resembles SendThisFile.com. My users generally turn to services like these when they are trying to send files that exceed the mail servers limits (either our own, or the recepients). …
Tim
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5
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10 answers

IIS6: How to troubleshoot a 404 error in an ASP.NET application?

I have an ASP.NET application on a Windows Server 2003/IIS6 that refuses to run for some reason (it's the Xerox Centre, if that info helps). It has been working flawlessly before though on this server. Now, all I get if I try to open the app…
Tomalak
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5
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7 answers

Web Application Vulnerability Scanner suggestions?

I'm looking for a new tool for the ol' admin toolkit and would value some suggestions. I would like to do some "automated" testing of handful of websites for XSS (cross site scripting) vulns, along with checking for SQL injection opportunities. I…
Chris_K
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3 answers

Naming convention for databases and database users for access by a web application?

When installing a web application where a single user is used to talk to a single database (say MySQL, but this could apply to other RDBMSes also), you often have a sequence of events such as this: CREATE DATABASE wordpress CHARACTER SET utf8; GRANT…
crb
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5
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2 answers

Active Directory Web-based Front-End

I'm in search for a nice web front end to a medium sized active directory. The main use case is to automate tasks that can't be done with copy from templates (things like assigning proper UNIX attributes for IDMU, creating contacts for email…
pfo
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2 answers

What are the best strategies for scaling up my web application to be able to cope with a large volume of users?

I want to get some advice / best practices for how to go about developing a strategy for scaling up my a web application. I waffle on a bit here and show my limited knowledge but want to fill in my knowledge gaps. It is tempting to learn as much of…
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