Questions tagged [load-balancer]
The load-balancer tag has no usage guidance.
95
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design an load balancer with priority at limited maxmum qps [closed]
I have a server that reveives requests from two different clients, one of them is more important that I can't afford to pass or ignore its request (high pri), while another one's requests can be ...
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96
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Can I establish port forwarding with a remote server behind a load balancer?
I have an application on a remote development server that is running two separate nodes, each on a different port. Between those nodes and the actual front end is a load balancer. The problem I'm ...
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Modem Routers + L2 Managed Switch. VLANs and balancing
I just got a TP Link TL-SG3210 and I wanted to test some things and I wondered if I was correct (or not) on some ideas I have and tests I want to do.
This is mostly hipotetical cases, but I want to ...
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Starlink and Mobile 4G: Route Google Meet over 4G
I have a Starlink satellite broadband WAN connection and a 4G mobile internet WAN connection.
Starlink is great for streaming and general internet but it drops out for a few seconds every hour due to ...
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49
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Optimizing a mono-CPU application in a docker environment (multi-core vs multi-instances)
I have a simple, CPU-bound, mono-CPU application running in a docker container.
Indeed it fully uses a single CPU on the instance when processing work.
As I understand, there are two main approaches ...
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Export to excel error caused by netscaler loadbalncer
We are curently migrating from SharePoint 2016 to SharePoint SE and we are facing strange authenticationg issue on new SHP SE enviroment.
Authentication is NTLM and what is happening besides all other ...
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53
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Limit access to specific IPs on AWS
Out system is based on several IIS servers with ALB and one SQL Server.
On IIS only one site is in use, and it serves our clients, each having their subdomain.
Some of our clients need to limit the ...
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131
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Networking with two ASK-NCQ1338FA (Verizon 5G Gateway) and a TP-Link ER605 (as load balancer)
The Setup:
I have two ASK-NCQ1338FA (Verizon Gateway Routers), a TP-Link ER605 (Only want use as a Load Balancer), and then a Netgear RAXE450 router. All the parts work fine, but a little weird.
When ...
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302
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How does proxy server know which client is the recipient of a response?
In Network Address Translation, port number is used to determine which client is the recipient of a response from a server.
But how about in proxy? Let's say we have two clients, clientA and clientB, ...
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182
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Reverse-proxy under a load balancer
I am trying to build a web server using nginx. It is published to the internet under a load balancer.
It has a shared public IP (e.g. 96.1.2.3) with a public DNS as well (e.g. example.domain.com). ...
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299
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How to synchronize web content and nginx configuration on debian
I have a web server (server1) with nginx and php on a debian machine. I have created another server (server2) that has the same web content and nginx configuration of server1.
These servers are behind ...
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211
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Wants to run two webserver on tomcat at port 8080 and 7070 without opening this port in security group of EC2
I am running two webserver on tomcat version 9 using port 8080 and 7070 on same EC2 .
1st tomcat :
<Connector port="7070" protocol="HTTP/1.1"
connectionTimeout=&...
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385
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Load Balance Multiple ISP connection
I am planning to setup a home network with multiple GBPS connections. Currently have 2x GBPS connections which have their own independent router and network. What I am planning to do is buying a '...
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245
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Load balancer at home with 2 ISP
I have 2 floor house and 2 ISPs. One is via wireless and the secondary is LTE. One router can only go on the first floor, as the Wifi connection antenna end is placed there, and second (LTE) can be ...
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Obtain the client source IP over an HTTPS communication with a ONE Armed Load balancer
I have 4 linux application servers that are load balanced in One Arm mode over a HTTPS communication.
There is the need to keep track of the source IP of the client invoking one of the servers through ...
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39
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GCP won't provision SSL certs for Load Balancer w/ HTTPS redirect
If I have 2 ip addresses in the A record to enable the http->https redirect, the cert provisioner can't seem to see find it. Checking the DNS propagation seems okay.
What would be happening here?
...
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How do I set DNS round-robin traffic percentage with bind9?
bind9 allows you to configure DNS round-robin to multiple different IPs like:
server A 10.10.10.1
server A 10.10.10.2
And it'll return 50%/50% approximate.
However, I need it to return, for example, ...
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63
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Hardware load balancer to local public IP not accessible
I have a small network, where I have TP-Link TL-ER5120 load balancer installed for maintaining the internet connection.
Here is how my network looks like:
The problem:
I have a web server setup at ...
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2k
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Cannot connect to FTP server behind AWS loadbalancer
I have configured AWS EC2 instance to be a FTP servers(Passive Mode) and attached a Load balancer target group to the instances. The loadbalancer listener port is 21. The problem I face is the my ...
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872
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How is load balancing not a bottleneck?
I've read a lot about how Nginx can be used as a load-balancer, and while there are plenty of other software options to use instead of nginx, isn't the concept of a load-balancer itself a bottleneck ...
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148
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Connecting to ec2 instance after creating a Load balancer
How do I connect to an ec2 instance after creating a load balancer ? I have the below configuration set up:
Two RHEL 8 ec2 instances
Both the instances are inside a VPC but in two availability zones.
...
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255
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Http Request after passing through firewall and loadbalancer
I have a Firewall, then a LoadBalancer (IIS-ARR load balancer) and 2 IIS webservers.
The 2 IIS web servers will be in LAN with private IPs. My website is hosted on both the webservers.
My actual ...
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Windows IIS load balancer works with MAC binded IP?
Will windows IIS-ARR load balancer work with MAC binded IP or it is mandatory to have Virtual IP for the ARR load balancing Server.
I am referring to this ARR https://docs.microsoft.com/en-us/iis/...
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Can I use two different internet connections for more speed in Windows 10?
Same as Can I use two different internet connections for more speed? except for Windows 10.
Is there anything preventing us from creating a means to use two different internet connections, like two ...
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29
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Wake On Demand (Load Balanced Solutions ?)
I'm out of idea facing a challenging situation : Wake up a server on demand.
The problem
Wake-up a physical server that listen on specific port, when an incoming packet arrives.
There may be a ...
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37
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CNAME for main website, to load balancer?
We are wanting to use an AWS provided load balancer for our main website.
The issue we are running into is that it appears to want us to refer to it by CNAME, which seems to cause problems in the ...
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2
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920
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Load balancing with Nginx: POST requests are not forwarded to the next upstream server when the current is down
I'm using Nginx as a load balancer between two webservers.
I noticed that, when one of the two webservers is down, GET requests are well forwarded to the second one, while POST are not:
Here is the ...
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784
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Haproxy load balancer does not work from centos7
I am trying to set up HAproxy load balancer on centos 7, however I am unable to get it working. From services it sais that it is running, but the stats page wont open and also it does not direct to ...
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How to create LB on AWS that does not target port 80
I have an ubuntu instance with a process listening on port 3000, exposed via security group and all that.
When I create an LB and a respective target group, and port 3000 for this TG, the UI will ...
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45
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Apache2 load balancing with 2 balancer nodes
I am trying to set up a simple load balancer with Apache2. Here is the configuration that I have made
ProxyPass /myapp balancer://mycluster
ProxyPassReverse /myapp balancer://mycluster
...
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2k
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HAPROXY configuration for DSR
I have to do load balancing in TCP mode using HAproxy. The backend application needs to use the client source IP. The only solution I found over the internet is configuring haproxy in DSR mode. I ...
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SSL / TLS on EC2 load balancer - why does it work?
My boss says to get SSL / TLS working on EC2 servers, just put a load balancer in front of them that uses https. But I can still access the original servers with http. So is this really secure? Doesn'...
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597
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How can I configure SSL certificates on Digital Ocean server to host ReactJS app connecting to GoLang server on the same Droplet?
I am hosting a chess application website on a Digital Ocean Droplet.
On the server, I am serving up a static React app using pm2. I am also running a GoLang server with a single Websocket endpoint ...
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952
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How can I link AWS SSL to AWS Wordpress
I have created an EC2 instance for WordPress on AWS. My domain, its hosted zone, and SSL certificate all run on AWS.
Can you guys please help me to connect my domain with SSL certificate?
Really ...
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2k
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Enable HTTPS on Amazon AWS for EC2, without cloudfront or load balancer
I have my ec2 instance running on HTTP on my domain.
I have created a certificate using AWS certificate manager. It is issued, but not in use. Like in the image here (if it matters it was used DNS ...
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545
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Is it possible to configure Apache to be both a static web server and a load balancer on the same port?
I am using Apache 2.4.7 on a Windows 2016 Server as a load balancer between a couple of Spring Boot REST applications using <VirtualHost *:8000> section. This is working fine.
However, I have ...
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ARR is striping of Authentication Type: x509 header when used as a Load Balancer
I am using ARR as a Load Balancer between my API Server and API Clients. My API Clients use CMS Authentication for communicating with the API Server. When I introduce ARR in between by API Client and ...
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2
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3k
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Do responses from server have to go through load balancer or directly to client?
I am trying to build my own load balancer on C++. But not sure whether all packets(both requests and responses) between client and server have to go through load balancer.
Should it just help ...
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101
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Nginx as a Load balance while login to application its saying invalid user id/password
I have configured nginx successfully. When I made a load balance with my two application servers (spring boot), when my application opens with the load balance IP, the application asks for a userid ...
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Load Balancer Poor External Query Results in Benchmark
I created a Load Balancer. When testing internally in the Load Balancer Server using wrk, I received a benchmark of 300,000 Requests Per Second.. Then, I created a droplet in Digital Ocean and ran the ...
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can't access website by ip but I can access by fully qualified domain
So it seems I can't browse a website by IP, but I can browse using it's hostname.
C:\Users\c>nslookup www.example.com
Non-authoritative answer:
Name: cx-cdn-bre.gss.consultix.net
Addresses: 62....
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Using two ISP connections simultaneously to add stability in Linux
I have two internet connection from two different ISP. ADSL on eth0 and 4G on wlan0. Is there any way that if one ISP fails, the other take over automatically without a physical router and by Host OS (...
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How do I safely sync data between two EC2 instances on the same ELB?
I have two ec2 instances on a load balancer, I would want to be able to make one the source and the other a mirror. Where the source is the instance that is always updated, and the mirror updates ...
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350
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Request stuck in one node behind Apache HTTP Server
I'm running an Apache HTTP Server as a load balancer, with 3 application nodes sitting behind it. Here is a sample configuration,
<Proxy "balancer://apicluster">
BalancerMember http:...
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87
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What is installed on "load-balanced" servers
The question I have is very basic, I understand what load balancing is and how it works, however I can't visualize it in practice.
Lets say I have an AMP application running on a server. One day ...
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2k
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Tp link TL-ER604W v1.0 locks up every 10 days or so
I have had some issues with two different TP-Link load balancing routers. The older one which had 4 WAN ports would lock up and require a reboot every week. I upgraded and bought the newer TL-ER604W ...
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612
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Mount shared SAN storage on one machine as read/write but read-only on others
I am writng a golang web application that will allow users to upload files and later retrieve them.
Application is divided in two parts
Part-1: Web-portal, it will be hosted on multiple linux web-...
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50
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Setting up a commercial wireless network that supports numerous medium-high bandwidth users?
How would you configure a wireless network that needs to provide a decent-speed internet connection to a room full of users?
Imagine a hypothetical establishment, maybe it's a large coffee shop or a ...
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How do I know if a connection goes down in a load balancing router?
I am using a TL-R470T+ load balancing router to combine my two broadband connections. Is there a way I can know as soon as one of the broadband lines goes down?
My approach so far:
I have tried to ...
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3k
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Two Internet Connections - One LAN (Load Balancing?)
If we have two different Internet Connections (one is substantially faster than the other), is there any way to connect both to the LAN, using some kind of load balancing to utilize both connections.
...
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