Questions tagged [web-applications]
The web-applications tag has no usage guidance.
374
questions
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Webapp not working with proxy
On a single server I'm using to demo a system, I have a static website running on apache2 and a demo web app running on an instance of tomcat. Both are working fine when accessed directly. I've ...
2
votes
1
answer
87
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Azure App Service Autoscale - scale in oldest server
We have a web app and use Autoscale running between 1 and 3 instances, scaling on cpu. All works well. What’s incredibly frustrating is that on scale in, the newest server is shut down and we would ...
0
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1
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103
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What needs to be considered when choosing a distro for Web App Hosting?
What should you consider when choosing a distro for Web App Hosting?
I want to host my node.js web app on an AWS EC2 instance and I am at the part where they essentially ask what operating system I ...
9
votes
2
answers
28k
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Tomcat 9 - catalina.out log file missing and console printouts are not shown anywhere
Tomcat9 deployed on Ubuntu 18.04. This issue ONLY applies to Tomcat version 9. There is a catalina.date.log file present in the logs folder but it does NOT show any console printouts from our web ...
4
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0
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2k
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Best way to add "Virtual Path" to application running inside docker container
Current Situation
I have 2 applications running inside Docker Container, one is an angular app and the other is a .Net Core WebApi. Each one has a binded port, (WebApi is running on 8090 host port, ...
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158
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How to configure different web app from different server with Nginx?
I have a website with domain example.com in a server with IP x.x.x.x. It runs with Nginx and Let's Encrypt very well, which is located in /var/www/app1. The domain is obtained and managed via a ...
1
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1
answer
151
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Google Cloud Java API calls from a servlet: blocking or connection concerns?
Just trying out the Java API for GCP (the compute lib). I'm making calls to the API from a servlet ...
Compute.Instances.Insert insert = compute.instances().insert("tester", "us-easts1-db", instance)...
1
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0
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71
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Azure Cloud Service / IIS 8 does not reach client browser after long process to generate PDF report
I'm running a .net web app on Azure Cloud Service, Cloud Service provides a VM running Windows 2012 R2 OS with IIS 8.
Issue occurs when client browser goes to a page to trigger a PDF report ...
0
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1
answer
2k
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How to enable SSL for a web application and HTTP API running in AWS?
I've held off on writing this question because I'm not sure if it belongs on ServerFault or StackOverflow.
I have a React web application hosted in an AWS S3 bucket and using CloudFront. I have a ...
1
vote
1
answer
3k
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AWS Application Load Balancer - processed bytes metric
I have just finished setting up Application Load Balancer on AWS.
I am trying to figure why my Processed Bytes metric is giving such a high number (and as a result Consumed Capacity Units go up and ...
0
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1
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101
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Should Active Directory, Web Apps and MS-SQL all have the same users?
I am looking for a clean way to do audit trails in MS SQL Server, for compliance reasons, preferably completely on the database side without involving the web application.
When talking about audit ...
0
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1
answer
263
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Routing Rules icon in Microsoft ARR 3 - Server Farm Section Does not exist
I want to implement Application Load Balancing by Application Request Routing - ARR3 on IIS8. I download ARR3 Source file and install on my server. the server farm section created in my iis but when I ...
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0
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50
views
Windows user to Webapp - No authentication needed
I would like to retrieve the windows user in a webapp.
Currently using Kerberos/Apache/Tomcat, the variable REMOTE_USER is set in http header so is fine.
But now my needs have changed :
no more ...
1
vote
0
answers
72
views
Azure web app access through VNet with certificates on gateway
My goal is to have a Web App in a VNet which goes through a VNet gateway using certificates to grant access to the web app. My test uses a standard image in Azure (Node.js). I have followed "Configure ...
3
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1
answer
73
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node js app issues after AWS Instance snapshot
I had a node.js app with nginx running totally fine on a domain i purchased. It was run on an ubuntu server and all was well. I accidentally clicked "create image" on the aws site and ever since then ...
3
votes
2
answers
13k
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Rate Limit using Azure Application Gateway
I am changing the deployment of our Web App from Azure App Service to VMs behind an Application Gateway, because the App Service could not handle the peak load we had a few days ago.
What I now ...
1
vote
1
answer
299
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Azure Web Application Logs to Storage Account Container
My team has a .NET (4.7) web application running in Azure. Right now there are three directories being creations on the web in the D drive - cache, temp and root. Log files are dumped here. My concern ...
1
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0
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671
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How to Set Up Application Insights from an ARM Template
I'm trying to set up an App Service, an App Service Plan, and App Insights via an Azure DevOps release pipeline.
I'm creating the three resources successfully with resource group templates, but I can'...
1
vote
1
answer
349
views
Handling traffic spikes for a medium scale ecommerce application
Let me first briefly describe our stack.
Single EC2 instance with 4 vCPU and 16 GB RAM running Ubuntu [m4.xlarge]
Single RDS instance with 2 vCPU and 8 GB RAM running MySQL 8 [db.m5.large]
We are ...
0
votes
0
answers
589
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Digital signing certificate for SOAP
I'm calling a third-party Web Service with SOAP requests. This service requires me to to sign my SOAP requests digitally. Regarding to How to buy a X.509 certificate for signing digital payloads ...
3
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1
answer
958
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Load Balancing And Sticky Sessions
According to what I understand , the use of sticky-sessions is to route user to the same backend so they won't have to for example login again each time they are re-routed or if they have a shopping ...
0
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1
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2k
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Azure WebApp Socket can't connect
I have a ASP .NET application hosted as a WebApp in Azure and a Xamarin client app that consumes that WebApi in Azure.
As soon as I changed my webapi to an Azure WebApp, which was previously hosted in ...
-1
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1
answer
97
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MissingRegistrationforLocation
I have some background in developing .NET applications, but I am new to Azure. When trying to publish my first web app, I am getting this error statement:
When logging into the cloud the app is up ...
1
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1
answer
616
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Can i run c++ on aws elasticbeanstalk in php application
Since cloud instance is just a machine hosted remotely it should be able to behave like a local server. I have written some programs in C++ which I usually call in a PHP file through exec() function ...
7
votes
1
answer
4k
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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 ...
-1
votes
1
answer
22k
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IIS AppPool shutdown due to inactivity
Using Windows 10 / IIS 10
I have a Web Application and have set the following:
AppPool: Start Mode = AlwaysRunning
Web Application: Enable Preload = true
But still, the web application gets shut ...
1
vote
1
answer
5k
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How to configure multiple nested subdirectories in Nginx using wildcards?
👋
Sorry if this was asked before. I've searched, but couldn't find anything close to what I'm trying to accomplish and I would appreciate any indication that could get me closer to solving this. 😊
...
1
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1
answer
52
views
Will having 2 web app instances ensure availability incase of WPA problems?
I have an azure web app (S2 app Service plan) that is set to autoscale but has a min instance count of 1. As it mostly idles, the real instance count also is 1 almost all of the time.
Last week "...
3
votes
2
answers
715
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How to protect a web application from IPv6 bots?
I'm interested in this in the context of protecting a web application from bots, but I guess it applies to all kind of attacks that can be done over IPv6 by bots.
In a web application, you have some ...
0
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0
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494
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Azure Virtual Network - Web App through P2S through S2S VPN tunnel
First of, I'm not really that much into networking stuff, so I might use wrong expressions and stuff.
My issue is that I need to connect a web app to an onpremise machine.
I've read the MS guides ...
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739
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proxy a web applications with url prefix
How can I proxy web applications with url prefix using Nginx or Apache2 in my server?
For example, I run a NextCloud in Docker and I want to access it by https://my-domain.example/nextcloud/, so I ...
1
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1
answer
7k
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How to setup SSL certs for a LAN web app server
I want to setup a ticketing system in my company for managing/tracking support tickets and a knowledge-base of past issues.
I am having trouble figuring out the best way to encrypt the traffic to ...
0
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0
answers
74
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Imperva WAF (Web application firewall) - No HTTP hits
We have run a script on a particular WEB application, we could see the alerts and violation for the respective server group.
But Couldn't see any HTTP hits for the same server group.
Could somebody ...
4
votes
1
answer
3k
views
Restart Systemd unit after dependency
I have a web application that is started by systemd. It uses Postgresql as database, so it rely on it. Here is the unit file of my web application (I have remove the un-relevant/sensitive parts):
[...
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0
answers
104
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Website redirect and DNS entry for website hosted on Windows Server 2008 R2
We have web application that is hosted on on premise Windows Server 2008 R2.
We were previously accessing it via http://xx.xx.xx.xx/WebApp
Just few days ago, we bought a SSL certificate issued to (...
1
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0
answers
52
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Linode : Installing a working Jetty 9.x on DSL (Damn Small Linux)
I am exploring an option to deploy a java application with jetty on Linode.
While my endeavor to create a production grade system with the minimum resource utilization (so that scarce resources could ...
2
votes
1
answer
2k
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Nginx: / for both static content and proxied application
http://example.com: my site
http://example.net: the proxied backend
I'm trying to setup an nginx server block as both a static content server and a reverse proxy. Nginx should first check for static ...
2
votes
1
answer
200
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What should I do to keep a common file cache server ? is NFS good idea? [closed]
I am not any networking or devops guy but I have to do this for my company because my company can't afford one, so pardon me for mistakes.
I have got a web app hosted in google cloud and I use load ...
2
votes
0
answers
644
views
Tomcat8 unable to upgrade TLS version
I have a Tomcat8 instance running behind an Apache server which takes care of SSL offloading. The Java webapp deployed on Tomcat needs to connect to an external service which only supports TLSv1.2.
...
0
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1
answer
1k
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Alternative way of passing system/environment variable to service (glassfish)
I have a glassfish application server that is running under the glassfish user on CentOS 7.2. I have an application that has a deployed application that is needing a custom environment variable (e.g. ...
1
vote
1
answer
2k
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How to host R-Shiny app with MongoDB on Azure
I want to host an R-shiny app on Windows Server platform on Azure VM and this R-Shiny app will retrieve data from MongoDB.
So far:
I cannot install R-Shiny server because it doesn't support Windows ...
2
votes
1
answer
524
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Using different cloud hosts for app and db/will there be latency with Mongo Atlas?
Is it ok to host both a web app and db server on different cloud providers? Traditionally you really needed to host both on the same network - but I'm wondering if, with modern networks, this is less ...
0
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1
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304
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Get client IP from Web application via Load-Balancer alternative
If a Web application server (ex. nginx&php-fpm) is behind Load-Balancer such as AWS-ELB:
Client -> Load-Balancer -> Web Application server
To get the real client IP from Web application ...
0
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1
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1k
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error with Event 36874 with web API2
I got this error with communicating with web api 2 that authenticate using bearer OAuth2
An TLS 1.2 connection request was received from a remote client application, but none of the cipher suites ...
0
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1
answer
492
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Migrating Umbraco Sites to Azure
I have been asked to move all of our internally hosted Umbraco sites over to Azure Web Apps, the problem is I know nothing from the Web side of things (I know my way around SQL and IIS but only from a ...
0
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1
answer
4k
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Is load balancing or HA setup recommended?
I have an application which is running on a webserver(ws1) and connected to a app server(as1). I have the same application running on another webserver(ws2) and another appserver(as2). But I have only ...
2
votes
1
answer
825
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How to serve a huge static and pregenerated website?
My current web project has the following characteristics:
A website which is basically a read-only archive of information. There are no interactive actions a visitor could do.
All pages (currently ...
-1
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3
answers
956
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Impact of Amazon RDS location on speed?
I have web server on local box(at India) which connects to Amazon RDS(at US location). In this case response is too slow as web server at India fetching data from US Amazon RDS.
But when i travel to ...
0
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0
answers
447
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Web application serving static files using Docker on multiple hosts
Before Docker we normally had a NFS server on a separate host(s) and then mounted it on nginx and app hosts, so that nginx instances could serve static files created by web app and app worker ...
0
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1
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371
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Can this work as a Containerized Architecture for a Django/NGINX/MongoDB Web App?
I am attempting to build a reliable web App using Django and Nginx.
This web app is simple in design, will be built with an MVC styled design, and needs to be secure, yet speedy.
The question is ...