Questions tagged [port]

Port is a generic term that can refer to port number (software related term), and computer hardware port. Here, questions referencing this tag refer to port numbers.

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Access DB on a server outside LAN

On my pc I have installed mysql server on port 3307 and there is a database that runs on it. I need to access it outside of my local network In particular, I am interested in accessing from a net core ...
Andrea Palermo's user avatar
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19 views

Can't get rid of port in Nginx [closed]

I'm trying to configure a server with some shiny apps. I've changed my internet connection and I had to configure a ddns with no-ip. So far so good. Now I'm configuring the Nginx file, which used to ...
César Arquero Cabral's user avatar
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10 views

Filezilla Server and Client Port 21 enabled? [migrated]

i wanted to ask if its enough when i enable the Port 21 on the Filezilla Server or if also need to enable Port 21 on Filezilla Client? I set up Filezilla Server on my PC, added a User group with a ...
Redoxi's user avatar
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Error while deploying a cluster on openstack

Error waiting for instance (f6572108-772b-4680-861a-ef3534968616) to become ready: unexpected state 'ERROR', wanted target 'ACTIVE'. last error: %!s()
Prince Pranav's user avatar
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55 views

YARN resource manager "HTTP request sent, awaiting response..."

we have Hadoop cluster with active/stand by resource manager services the active resource manager is on master1 machine and the stand by resource manager is on master2 machine in our cluster YARN ...
King David's user avatar
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30 views

kvm forward port from Host to guest VM bridge mode

I have a server Ubuntu 22.04 on cloud (VPS) with one external IP (public) address (19.162.31.26), and the internal IP (private) address (192.168.122.1). On that server I use libvirt (Virtual Machine ...
Mohammed haddadi's user avatar
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1 answer
65 views

How to save custom rule in ufw? Ubuntu 23.10

I am using ufw and I would like to add a custom rule iptables -I INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT But even following iptable-save Upon reboot, the rule is gone. I also ...
brad's user avatar
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One computer cannot access port from another on the same same network

I have two servers with relatively fresh installs of CentOS 9 Stream on the same network. I can ping and ssh between them so can prove basic connectivity. serverA AFAIK has port 1883 (mqtt) open and ...
Geordie's user avatar
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0 answers
85 views

Change IPSec IKEV2 VPN Default Ports 500 & 4500 To Anothers

For some reason OpenVPN is working on my local machine very well, But IPSec IKEV2 VPN not & it only works when OpenVPN is connect. I have a domain for IPSec IKEV2 VPN & in local machine vpn is ...
helius.dev's user avatar
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61 views

Wrong remote port shown in TCP Connections

We have a RFID application in Java, by default it will listen on TCP port 5084. Which is the default port for LLRP (Low Level Reader Protocol). The application is on Windows Server 2019. The ...
MAF's user avatar
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Why "netstat" doesn't show the ip of a server I'm connected to?

I have an audio stream from a Youtube video obtained by youtube-dl -g <URL> (this command outputs two links, for video and audio respectively). They have this form; https://rr1---sn-uqx2-w50l....
user2495207's user avatar
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1 answer
133 views

Using HttpPlatformHandler with IIS, is it possible to set a range limit for random ports assigned to %HTTP_PLATFORM_PORT%?

I have a microservice created with Flask that I have set up to run on Windows Server behind IIS using HttpPlatformHandler. It's working great except for one problem. There are other applications ...
user2205393's user avatar
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0 answers
159 views

Inquiry regarding Security considerations for Nginx Docker image

I am currently exploring the usage of an Nginx Docker image within our project. I am seeking more information about the security considerations and best practices associated with using your Docker ...
Ramyashree's user avatar
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11 views

Is there a way to detect which requests have been made using same connection in Apache log?

I use mod_log_config and mod_log_forensic to log all requests made to an Apache server. Some of those requests use Keep-Alive and I would like to find out which requests have been made using the same ...
tigrou's user avatar
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1 answer
415 views

Cannot access keycloak UI using other hostname besides localhost on port: 8089, using other ports is Ok

I am trying to run keycloak in 8089 port, if I start the docker container in that port I can access the keycloak ui from: http://localhost:8089/ but I cannot access it using the keycloak hostname (...
Game dev's user avatar
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1 vote
1 answer
300 views

Can't reach public IP or domain name of my server from within

Say I have a domain name "my.domain.com" with an A Record that resolves to the public IPv4 address (say 160.200.200.21) of my server (running Ubuntu 20.04) I've installed BigBlueButton on ...
Xsmael's user avatar
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0 answers
19 views

Double instance of TighVNC server for 2 different processes on 2 different ports

In windows, I would like to launch 2 different processes, and once I have the two process IDs (i.e. PID1 and PID2), I would like to share them via VNC (I know for example that TighVNC allows to share ...
Jack's user avatar
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1 answer
593 views

how to expose apache docker container on port 8080 rather than port 80

I have a webserver running on port 80 , however I need the site to be accessed using 172.16.21.2:8080 , regardless of what port mapping i specify it is always accessed using port 80. How can i make my ...
John Adams's user avatar
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21 views

How to get connection details on an authenticated port of an Extreme X450-G2 switch?

I have an Extreme X450-G2 switch which has 48 ports. On one port (port 22) I have an active link (LEDs blink, webinterface shows that the port is active), yet I cannot seem to find out what is ...
Joe's user avatar
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Why port is open when checked as root but closed for a regular user after establishing a VPN connection on Debian 11?

On Debian 11, I establish a VPN connection as root using openconnect. After the connection is established, I have access to a network where the IP address is 1.2.3.4.5 with an open port 1433. Question:...
jasneinfo's user avatar
0 votes
1 answer
480 views

UFW firewall deny incoming connections except for one ip

I want to deny all incoming connections to port 6677 except for one ip-address (so it can only be reached from a docker container running on the host, the port should not be accessible from "...
merlin's user avatar
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2 answers
298 views

Can I Force Implicit TLS Connection For Port 587 On Postfix?

I have read many articles saying port 587 by default is explicit TLS. This means it's STARTTLS. It asks the server on an unsecured connection if TLS is supported and if it is, it continues with an ...
Digital Joe George's user avatar
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1 answer
73 views

Can't telnet Apache2 Web Server from WAN on port 80

Is there specific port configuration to httpd.conf that opens port 80 aside from using Listen 80 directive? netstat -aon gives LISTENING but I cannot telnet machineName 80 (says failed to connect) PS: ...
SSSOF's user avatar
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0 votes
1 answer
175 views

Error 404 Message | Django | PyCharm

Right, is there any particular valid reason as to why - despite me doing everything correctly - do I get the error 404 message when I deploy my development server (on port 8000) from PyCharm? This is ...
Hunktydunkaty's user avatar
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1 answer
279 views

Is it possible to setup a VPN that passes multiple ports through a single port tunnel?

I am looking to set up a VPN (possibly OpenVPN) to allow a computer connected to the internet through a restricted university network to connect to the wider internet through my home network. My ...
Ed_Silver's user avatar
-3 votes
1 answer
912 views

changing the sshd port to 2222 still accept only port 22 ubuntu 23.04 [closed]

i change the port in /etc/ssh/sshd_config to Port 2222 but when i try to login ssh -p 2222 myuser@hostname_ip it gives me : but when i try with port 22 all working i did restart the vm after change ...
user61104's user avatar
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0 answers
440 views

Local Windows machine cannot connect to another except port 80

Trying to test a dev web service endpoint. Firewalls and Windows Defender are off on both. From different machine Test-NetConnection -Port 80 -ComputerName 192.168.1.5 -InformationLevel Detailed ...
Chris Harrington's user avatar
1 vote
1 answer
162 views

Memcached can not listen on a port different from 11211 in Alma Linux 8.8

I installed successfully Memcached in Alma Linux 8.8 (a Red Hat 8.8 clone) but, when I changed the port number from 11211 to 11212 in the config file at /etc/sysconfig/memcached and restarted the ...
aldemarcalazans's user avatar
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527 views

Web interface in Docker container not accessible

I am currently setting up a system that is composed of different Docker containers that somehow have to communicate with each other. One Docker container is dedicated to a XMPP server (prosody). This ...
Dennis Maecker's user avatar
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0 answers
78 views

Port forwarding with iptables prerouting not work

I have 3 server server A: 5.161.x.x server B: 193.151.x.x server C: 195.96.x.x I want to forward all traffic from server B and C to server A ,i forwarded Server B to server A with this command: ...
Aref Solaimany's user avatar
0 votes
0 answers
105 views

How do I block port 1234 in localhost without killing the process in MacOS

I have a requirement to close a port without killing the process to test out a certain fallback scenario. I am using MacOS and I am unable to figure out how to do this, can someone please help? I ...
Binary Brain's user avatar
1 vote
2 answers
644 views

forwarding 443 to two servers using single external IP? [duplicate]

i have an exchange server in a small office, and a synology web server running the website. Iam forwarding https 443 to my exchange server from my router for owa/ecp etc with a SSL. The synology NAS ...
Tecnhnik's user avatar
0 votes
0 answers
37 views

Issue with Rocky Linux System not showing deactivated ports

I am having issues with a Rocky Linux system that a colleague is using. They are currently connected via 1gig ports and they want to use the 10gig ports on the switch. However, when looking for the ...
skyrin's user avatar
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0 votes
0 answers
569 views

How to create a openvpn server with port forwarding like portmap.io?

I'm currently working on exposing my NAT behind a server to the public using OpenVPN. I've successfully accomplished this by utilizing the portmap.io VPN service, which allows public users to access ...
newbie2math's user avatar
0 votes
0 answers
46 views

How to calc data transfer size for a port with node.js?

I developing a node.js program, I want know how much data transfered per port, but i didnt found native node.js solution, there is thired party program, if thay have api,it can be usefull, can you ...
Ezioadf2's user avatar
0 votes
0 answers
80 views

Vagrant VM lost port connection to host machine

I'm duplicating my question from superuser, but I want to know why it doesn't work. Let me explain, I have a server on Ubuntu 22 where I have MongoDB running. In this server I created a vagrant vm ...
Felix's user avatar
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1 vote
1 answer
73 views

nsupdate works directly but not via openvpn

I can update my bind server with nsupdate when I start my script directly from the terminal. However when I start the script it from inside openvpn then I get a time out error: Communication with 1xx....
EafinaStorm's user avatar
0 votes
0 answers
264 views

LocalHost Host and Port Unable to Connect

I received feedback from one of the community members who showed me that my disk is full. This is why, I would like to try to use the "Deploy and Access the Kubernetes Dashboard" using my ...
jng77's user avatar
  • 1
-1 votes
1 answer
2k views

ping 100% packet loss - can't ping to server

when I try to ping my newly created server it shows: vasanth@vasanth-client:~$ ping -c 4 server.ip.name PING server.ip.name (server.ip.address ) 56(84) bytes of data. --- server.ip.name ping ...
Vasanth Vel's user avatar
1 vote
1 answer
523 views

Nginx: proxy_pass ignores port

I have an application with Swagger on localhost:8080/swagger/. I need a redirect from localhost:80 to actual swagger url which is localhost:8080/swagger/ so I setup a Nginx reverse proxy: server { ...
xmm_581's user avatar
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-2 votes
1 answer
817 views

How browsers deal with ports? [closed]

Suppose I've a website created which is hosted, and running on port 5000. Now you are on a web browser (let's say chrome) visits the webpage. so does chrome sends a request from your PC to my server ...
Abhay Salvi's user avatar
-1 votes
1 answer
1k views

splunk syslogs Forwarder set up not working and paused data flow

I have set up the Universal Forwarder locally in my machine using this guide https://splunk.paloaltonetworks.com/universal-forwarder.html /opt/splunkforwarder/etc/system/local/inputs.conf [monitor:///...
asasa178's user avatar
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0 votes
0 answers
870 views

Windows 11, localhost / 127.0.0.1 port number changes on invocation

I'm testing a fastapi http server on Windows 11 running on 127.0.0.1:8000. In another terminal, a request is sent to the server on 127.0.0.1:8000. The result is a Bad Request and the server says it ...
Henry Thornton's user avatar
0 votes
1 answer
507 views

Firewall blocking Port

I am running multiple Webservices on my Ubuntu 22.04 Server and want them to bind to specific Ports which works without problem but when trying to connect it is not working and portchecker returned me ...
Konsti schwaigi's user avatar
1 vote
0 answers
103 views

How to allow squid user to use only certain ports that are bound to ip

In my squid configuration, I map each ip to a specific port. acl port_3000_acl myport 3000 acl port_3001_acl myport 3001 http_port 3000 http_port 3001 tcp_outgoing_address 185.166.196.238 ...
timur zolotov's user avatar
3 votes
1 answer
412 views

How to debug Ansible dict for failed ports with wait_for module?

I have written the below playbook to fetch the failed port status. - name: Check port status wait_for: host: 127.0.0.1 port: "{{ item }}" timeout: 2 state: started ...
Kamal's user avatar
  • 31
0 votes
0 answers
457 views

I am trying to set up a simple http server in port 8000 and connect remotely. UFW is open at 8000, but the connection is refused

I am new to networking and servers and I am trying to get started by setting up a simple server in port 8000 in a remote host with python -m http.server 8000 and telnet from my local computer I've ...
Juan Diego Castro-Miyashiro's user avatar
-1 votes
1 answer
183 views

Take NetStat Dump After Every X Minutes

We have a lot of port exhaustion issues recently. I was reading https://learn.microsoft.com/en-us/troubleshoot/windows-client/networking/tcp-ip-port-exhaustion-troubleshooting?source=recommendations @...
Imran Qadir Baksh - Baloch's user avatar
0 votes
1 answer
406 views

NetStat Group By Process Id and Show Count

Is there any way to group the output given by netstat into process? I am running netstat -ano and doing manual count to know which process is using how many ports. I am using Windows Server. We have ...
Imran Qadir Baksh - Baloch's user avatar
0 votes
1 answer
249 views

Can I specify an alternate port when importing a Data Protector Client

I want to import a Windows Data Protector client that uses (legacy) port 5555 into a Cell Server running 11.02. When I try it, I'm offered the certificate to accept, but the I get an [12:1625] Import ...
U. Windl's user avatar
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