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.
1,690
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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 ...
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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 ...
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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 ...
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7
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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 ...
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13
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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 ...
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26
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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....
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127
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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 ...
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286
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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 ...
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1
answer
134
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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 {
...
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1
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75
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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 ...
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337
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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:///...
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308
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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 ...
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98
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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 ...
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42
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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 ...
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1
answer
101
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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
...
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238
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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 ...
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1
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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
@...
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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 ...
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93
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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 ...
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215
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Cannot access port 9990 wildfly
I'm in the next situation.
My server is an Ubuntu 22 and I use Plesk to manage it. I installed Wildfly 27 final, and I followed this tutorial. I didn't have any issues installing it, my problem is I ...
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On what port does google ntp offer daytime services?
I want to do time request on an socket client.
According to this time.nist.gov is on port 13
time.google.com is on what port?
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In centos7 using iptables how to allow port 3306 for only specific ip
I'm trying to setup a rule in iptables where I allow port 3306 with only specific ip. tried this below command, not working. any help could be appreciated.
iptables -A INPUT -p tcp -m tcp -s 122.16.69....
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256
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Ports not reachable after reboot
after I rebooted my server, I can no longer ssh into it. I am running headless Ubuntu 20.04.5
After investigating the problem, I've noticed, that all ports on my server appear to be closed (using an ...
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267
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Connection to port times out despite it being open and listening
Contabo VPS running Ubuntu 22.04 server, there is no firewalld and no ufw running, fail2ban is installed and configured but currently stopped to figure out what's going on.
I have an nc -4 -k -l -v ...
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Port Forwading by Url? (Nginx) [duplicate]
I am new to server stuff, i want to host multiple rest service using docker and nginx.
Let's say i have three service that runs on 8180, 8181 and 8182. I am able to forward request to one port but i ...
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10
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Modifying/Closing Connector 9060 port from server.xml without whole appserver restart
I have an app which listens on 9060 port. What i want to acheive is, if i remove the 9060 port from server.xml and then stop/terminate my app, 9060 port should be completely closed i.e netstat -tanp | ...
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Web applications are not working other than Apache2
I am trying to install different applications (odoo, apache) on oracle instance, Apache is working perfectly on port 80, while odoo is not working neither on the default port (8069) nor on other ports ...
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Port forwarding through socks proxy in Linux
On an Ubuntu machine, I need to forward TCP port 443 to a remote machine port 443 through a socks5 proxy running on 127.0.0.1:10808
I need to accept other machines requests on forwarded port 443.
Is ...
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85
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IP table allow all ports and IP from anywhere
How to allow all Port from everywhere (IP) in CentOS and Ubuntu
I am trying
sudo iptables -I INPUT -j ACCEPT
sudo iptables -A INPUT -i lo -j ACCEPT
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How To Forward Port to Different Port to an External IP using UFW Firewall
I have an VPN server on Server B port 442
before I Forwarded a different Port to my Server B using firewalld and worked nice , now I want to migrate to UFW for some reasons,
I tried before.rules with
*...
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133
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Checking visitors IP for open port 25 smtp and blocking this IP
I try to figure out which IP is a residential proxy. The most IP's with a fraud score +75 has an open port 25.
A normal visitor's IP does not have port 25 open.
So you can assume that it is a ...
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Ufw not showing open port
I'm new to linux and I use ufw to open / close ports on my Debian 11 VPS.
If I use ufw stauts verbose I get the following list of open ports:
To Action From
-- ...
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Debian 11, multiple Solr versions running on different ports, lsof says that Solr9 is accessible only from localhost.localdomain
I have a Debian 9 server that is running Solr 7.3.
I have upgraded to Debian 11, Solr is still fine.
Now I'm trying to install Solr 9 alongside Solr 7.3, to have both versions running in the same time....
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iptables Limit port : ip 1:1 ( each port 1 ip only ) in order to limit each user
we use port range from 1000-12000 and each port for one user, so basicly i need to limit each user
port 1 <--> 1 ip
iptables -A INPUT -dports 1000:12000 -m iplimit --iplimit-above 1 -J ...
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Is it possible to redirect outgoing traffic on an already used port without using iptables?
I am wondering is there is another solution than iptables to redirect outgoing traffic on a port that is already used to another one, on the same machine locally.
Thanks.
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Iptables, Limit the number of IPs connected to a specific port per second
iptables can limit connections per ip at the same time with the --connlimit command .
but I want to know is there a way to limit connected IPs at the same time?
for example, if you limit connections ...
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242
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Different ports are serving different SSL certificates
I have an nginx server with ssl set up using certbot. Someone else set up the server originally. The main files are served at the root of the domain, and there is a node api running on port 4040. ...
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191
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Windows Server 2016 - SYSTEM Listening on Port 22
Encountering an issue I've not seen before, hoping for some ideas.
Windows Server 2016 x64,Clean Install.
I'm trying to install a 3rd party EFT Server, but I can't complete setup as its showing Port22 ...
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418
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Checking for port exhaustion on a server (Windows)
This is my first question here so I hope I did it correctly.
I am using UDP packets to communicate through a server-client structure, where all clients communicate with the same server through UDP.
As ...
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Lightsail amazon - Can't reach port
I have an angular app on a Lightsail server. It seems to run correctly
See here
I created the rule in the network tab on the 4200 port
See here
But I cannot reach it from the outside ...
See here
Can ...
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What is the iptables equivalent to what socat does?
What is the iptables equivalent to the following?
socat TCP-LISTEN:8080 TCP:some-random-host-in-another-network.com:80
Now multiple clients can connect to port 8080 of this middle host to actually ...
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Will a web server get blacklisted for port scanning?
As I understand it, port scanning is an activity that can be a precursor to malicious activity, as one of the things it is used for is to scan for open ports that one can attack.
In that train of ...
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How do I get apache (on Ubuntu 22.04) to allow me access via port 5443 (ie not with ports 80 or 443)
Hi I know this question has been asked before but I've tried all the suggestions and I still can't get apache to show the 'it works' page.
I'm using Ubuntu 22.04 on a remote vps. If I don't use port ...
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50
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SFTP Account Behaves Differently from Different Client Machines
I have an Ubuntu system configured as an SFTP server. It has been reliably serving multiple SFTP clients for several years. Recently, a client made some operations changes and, for testing purposes, ...
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Checking for port exhaustion using WireShark
We have been having some rare port exhaustion issues on our computers. We deployed a little netstat monitoring app that tracks the amount of TIME_WAIT statuses per application and notifies us if there ...
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478
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Is there a way to include the request port number in NGINX access.log?
Can I show the port # in the access/error logs with NGINX ? I can run nginx-debug if that helps.
Debian 11, free NGINX 1.22 downloaded release (not built from source)
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Early warning of port exhaustion in Linux
AFAIK, port exhaustion happens when a host is trying to establish a lot of connections to another server and the sessions used up all the available ephemeral ports. e.g.
192.168.1.1:port -> 10.20....
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324
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Apachectl on macOS working despite error "AH00072: make_sock: could not bind to address", possibly due to duplicate httpd processes
My OS is macOS 12.5.1. I use Apache for local testing before uploading my files to the public web server.
If I open a web browser to localhost, it finds the "It works!" page as expected. ...
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354
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AWS EC2 CentOS 7 Port 80 blocked despite correct rules
I have a web server instance running apache on aws, It stopped working suddenly. I've checked port in the security group and both port 80 and 443 are open both for ip4 and ip6. I have no firewall ...
- 101
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79
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Add slash to end of url except of images, css, js, and xml and preserving the port
I am trying to add slashes to the end of all the url on my site except for files with extensions (all images type, css, js, xml), all while preserving the port for my local env.
This is the behavior I ...
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