All Questions
Tagged with port networking
565
questions
1
vote
0
answers
30
views
How can an application running in a docker container listen on a port when using the '--network host' option?
I have an application that binds to a port and listens for incoming connections. This application runs inside a docker container and has been working when using the --publish 8000:8000 argument to ...
- 13
0
votes
0
answers
22
views
D-ITG 2.8.1 (.win binaries) ITGSend command with '-sp' port not working binding issue
When I input the command: "ITGSend -a 192.168.2.2 -sp 9400 -rp 32769 -C 1000 -u 500 1000 -t 20000 -l send_log_file" on my windows cmd line I get the following error:
flowSender: No error
...
-3
votes
1
answer
80
views
Cannot connect to running Docker container from locally run Golang
I have a container running on my local with
docker run \
--publish 8081:8081 \
--publish 10250-10255:10250-10255 \
--interactive \
--tty \
mcr.microsoft.com/cosmosdb/linux/azure-...
- 9
0
votes
2
answers
83
views
Why doesn't the choice of listening port number generally appear to be a concern?
When writing a server application which opens a listening port, the choice of port number doesn't usually show up as a concern, provided no other application is currently holding that same port number ...
-1
votes
1
answer
49
views
Source port random assignment by windows operating system [closed]
I am new to TCP/IP and trying hard to learn basics. When I was using wireshark, I noticed that the source port of my application keeps on changing. Some of my colleagues shared that this is a normal ...
0
votes
1
answer
122
views
Retrieve data from interactive brokers from inside a docker container
I have a docker container and a script with the following code:
import backtrader as bt
import pandas as pd
class MyStrategy(bt.Strategy):
def __init__(self):
...
- 409
0
votes
1
answer
83
views
Kubernetes communication intra-POD
I have a POD containing a main app and 0 or many sidecars. the sidecars docker images listen to the same port 8080.
- name: sidecar-container-1
image: sidecar-image-1:latest
ports:
- ...
- 365
0
votes
0
answers
337
views
How to access nextjs app from another computer on the same network
This question seems easy, just go to the local ip of the computer that is running the server, add the port and you should see it. And I did that. These following addresses all work on the computer ...
0
votes
1
answer
478
views
How do browsers determine the port to which they should make a request?
When browsers create requests to web servers, they add a Layer 4 header that includes source and destination ports. The source port is a freely chosen random port on the client machine, while the ...
- 1
0
votes
0
answers
28
views
How to open a port on unbuntu to other computers hosted through a Node.js program
I made a program that uses port 312 to transfer data using http but the port seems to only be open to the computer itself
I used ufw allow 312/tcp to enable the port
When I tested the command with ...
- 27
0
votes
2
answers
222
views
Two applications using the same HTTPS port?
I read somewhere that two different applications/processes cant use the same port at the same time.Suppose i have facebook open on one of my tabs in the browser and youtube playing a video on another ...
0
votes
1
answer
265
views
Nmap scan cannot see the open ports even if it is really open
I have 3 PCs. The first PC's IP address is 10.0.0.6 which is a Wi-Fi hotspot point and it has an Ubuntu 22.04 operating system (Raspberry Pi). The second PC's IP address is 10.0.0.52 which is ...
0
votes
1
answer
62
views
Why getaddrinfo("localhost", "600", &hints, &listp) creates two socket address which are 0.0.0.0 and 127.0.0.1?
Could anyone explain to me in the code below, why does:
getaddrinfo("localhost", "600", &hints, &listp) create two socket addresses which are 0.0.0.0 and 127.0.0.1?
output:...
- 11
0
votes
0
answers
63
views
Accessing a containerized application from another application running on a local machine
I have two applications that both run on the same host: main application that sends a REST API call to the second supporting application. To connect to the second application, we are using Spring ...
- 43
0
votes
1
answer
167
views
Wanting to allow other services access to different ports but only port 22 is accessible on EC2 instance?
New to networking so having a bit of difficulty understanding how different ports correspond to different functions. I get the gist of port ssh 22, to allow access to your server from anyone who has ...
