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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1answer
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How to connect to a website that is running on virtual machine on specific port [on hold]

I downloaded nodejs bitnami as virtual machine and then installed there the express.js. The web application listening on port 3000 and when I write links myip:3000 it working fine. Then I try to ...
0
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1answer
13 views

Only a certain subdomain accessing a certain port [closed]

Is there a way of having only a certain subdomain access a port? Let's say I have a Minecraft server running on default port 25565. I also have domain.com which is pointed to the IP of the server, ...
0
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1answer
23 views

Can't make nginx listen on nonstandard ports (3000, 35729)

This is on a fresh install of Ubuntu 14.04 running on a VPS. For example the following will work: server { listen 8080 default_server; root /var/www; location / { try_files $uri ...
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1answer
20 views

What might be using my smtp port on a new CentOS machine?

I'm trying to setup a simple email server using node smtp-server. I'm the only one that's ever accessed the machine (a CentOS 6.5 box on Digital Ocean), and I've only set up 2 http servers. I'm ...
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1answer
8 views

Which log file can I use for server port analytics?

Ideally I'd like to use piwik to track conversions from ads to server connections on port 5000 and port 5001 but I highly doubt that is even possible. I'm willing to settle for [ipaddress,time ...
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1answer
26 views

Load tomcat application via DNS without typing 8080

I am having a Amazon EC2 Ubuntu instance. I have installed LAMP server and tomcat 7. I also have application running in tomcat. Now, my URL for apache is - ...
1
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1answer
39 views

Can't access to a port (which is running Spring boot jar) via it's public ip

I have deployed my spring boot app jar to centos server with this command: nohup java -jar black-0.0.1-SNAPSHOT.jar > log_black.out & In my application.properties I set the server port ...
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0answers
45 views

create tunnel in order to access https via port 443

I have win machine that connected to Linux server 192.9.100.10 And Linux server has connectivity to the IBM blade center management GUI - 192.9.100.200 From my WIN machine I not have connectivity to ...
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4answers
100 views

What exactly is going on when I go to localhost:8080 in my web browser? (Apache Tomcat)

I've spent my career doing all local application programming (C++ applications and whatnot). I'm trying to dig my feet into the web world now, however. I'm using Eclipse (Mars) and Apache Tomcat ...
0
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1answer
33 views

Choosing port numbers in the range 10000-19999

We have a Spring Boot application, which we control, running on given development and production machines. We use "standard" port numbers such as 8080 (Tomcat), 8686 (JMX) and the like. We don't ...
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1answer
12 views

Will tomcat connect to the port it is configured to as soon as it started?

I'm a newbie in this area. I want to know if I can listen to port 80 which tomcat is configured with as soon as the tomcat service has started. No applications have been deployed to it yet.
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0answers
35 views

Netsh does not work as expected

I work with windows. my IP on the local network is A.B.C.D I have a service that runs on a network private to my machine @ IP E.F.G.H and port X I want users on my network to access the service ...
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4answers
62 views

is it safe to change the RDP port?

My web server is in the U.S. and it is accessed from my home in Canada using Remote Desktop Connection, standard port. Unauthorized persons have tried to log in from many different countries, some ...
1
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1answer
44 views

How to bind webmin to one specific domain/vhost? [closed]

I'm running a Virtual Private server with three specific domains. Let's say example1.com, example2.com, example3.com. I installed webmin on this VPS to peform some easy tasks and just to manage some ...
2
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2answers
120 views

Stop IIS 8.5 from listing on Port 80, but still listen on port 443 for specific IPs

A have an application server that serves a number of IIS 8.5 applications on a number of IP's. Some use port 80 only, some use port 443 only, some use 80 & 443. For the sites that use 443 only, ...
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0answers
29 views

SSH Tunnel connection issues

I am having difficulty with an SSH Tunnel which keeps dropping. i have tried with a variety of ports and have checked the event viewer to see if there's any information there but as yet have found ...
0
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1answer
45 views

SSH Tunnel Connection keeps dropping

I am developing a site whereby the site connects to a clients server to query the database. A ssh tunnel was created and this approach has worked fine for all sites but one. I'm assuming that because ...
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0answers
22 views

Network syslog with port number

I am collecting syslog from VoIP phones over the network and it is usual having several phones behind same NAT device. I need to collect syslog files to different files or be able to differ lines ...
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2answers
75 views

Redirect subdomains to services on different ports of same server

I have a VPS which has 1 IP. If I run two socket servers, one on port 8080 and the other on port 8081, is there a way I can map service1.mydomain.com to the socket server on port 8080 and ...
2
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2answers
197 views

How to set up a secure Git repository?

I followed this tutorial to set up a git repository on an EC2 instance. http://git-scm.com/book/ch4-4.html. Basically, I add a new git user and include my public key in authorized_keys. After setting ...
0
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1answer
49 views

Binding to same port on different IP addresses

My situation is as follows: One machine with 2 IP addresses: 10.10.20.7 and 10.10.20.17 Two applications that listen on port 9000 (each on it's own IP) What I'd like to achieve is while one app is ...
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0answers
40 views

How to check if connection is working before load balancer decides which server to use

I am working on a project whereby we deliver a secure site for our customers. We host the sites on two servers behind a load balancer but have port connections (24000-24100) to each database. The ...
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1answer
38 views

How to use non-deprecated tools like ss to get process id running on a port?

I am looking for a non-deprecated way of running a command like netstat -tulpn | grep 8000 to output information about an active port. Any suggestions on how to use a tool like ss to get the process ...
0
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1answer
71 views

CentOS 7 Cannot delete ports defined for MongoDB

I installed and later removed the MongoDB server on a CentOS 7 box. While cleaning up, I noticed that the ports assigned to MongoDB were still open. if I remember correctly, I was able to delete the ...
0
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1answer
67 views

Safe to kill a process called *:etlservicemgr (LISTEN)?

I am trying to serve locally to port 9001 but I get an listen EADDRINUSE error. When I look at the port with lsof -i :9001 it shows the following COMMAND PID USER FD TYPE DEVICE ...
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3answers
50 views

Ports from switch to system

I have rcently joined a company and we want to migrate our network to 10.0.0.0 ip address range from 192.168.0.0. Also we want to configure few vlan's But the major challange i am facing is that ...
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2answers
92 views

Can't SSH, but can TeamViewer [closed]

I would like to SSH into a computer behind a firewall that blocks SSH connections (incoming and outgoing). Amusingly, I can still access the computer using the remote-desktop software TeamViewer. I ...
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0answers
29 views

UFW Firewall on Ubuntu

I have installed UFW on Ubuntu 14.04. I used following commands to enable a port: sudo ufw allow 9384/tcp When I used the status command (sudo ufw status) it shows me that port is open for both IP4 ...
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2answers
43 views

Redirect a port to a blocked port but with the filter to unlock it

I have all ports with iptables dropped for security reasons, now i want to open a port which redirects the traffic to a blocked port, but it will open if the traffic comes to this port. Let's see, i ...
-1
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1answer
38 views

What is the bind address used for when forwarding a port via SSH?

I have a brief understanding of port forwarding via SSH. So let's say I have a VNC server up and running at port 5901. I pick up my laptop, go to work, then I want to connect to my server, but I want ...
0
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1answer
42 views

RDP Certificate/s for Static IP+Port/s

I need to RDP into multiple machines behind an external static IP. The method I'm using is to port forward selected ports to a target IP:3389. E.g. forward 100.110.120.130:10001 to ...
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1answer
35 views

What are the different Status options for Dell show copper-ports command?

When the below command is issued in a Dell N2024P/N3024F switch show copper-ports tdr The following output is generated Port Result Length Date Gi1/0/1 OK 0 - 10 Jan 1 ...
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0answers
5 views

firewalld allow connections to a port for only a subnet of IPs [duplicate]

I am on Fedora 21 Workstation on my PC. By default, all ports through firewalld are open on Fedora 21. When I open a service accessible through a port (such as a CouchDB or a SQL server or a simple ...
2
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1answer
232 views

Port 8080 remains closed even when opened with iptable and nodejs is listening on it [duplicate]

I am trying to install a nodejs server listening to port 8080 that I opened with iptable but when I run nmap or a web tools I always get the message that the port is closed. I'm on a Ubuntu vps. ...
0
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1answer
93 views

SSH works only on the standard port

I can connect to my remote server only if I use the standard 22 port. When I change the Port (to 40004 for e.g.) in /etc/ssh/sshd_config I get an error: ssh: connect to host 123.45.67.890 port 40004: ...
2
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1answer
50 views

dovecot won't reload config?

I want to run imaps on a port other than 993. I changed this in /etc/dovecot/conf.d/10-master.conf and beforehand, backed up the original copy as /etc/dovecot/conf.d/10-master.conf.bak. I did ...
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0answers
24 views

CentOS 6.6 port not open locally [duplicate]

I searched around and can only find the opposite problem -- ports are available locally, but not remotely. My issue is, the port was opened for me remotely, and it works, but it isn't available ...
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2answers
40 views

Opening outgoing ports on dedicated machine

I have a website where I have been working with another person on a game server listing site. It queries the game servers and shows information etc. Anyway upon talking to the creator of the script he ...
0
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1answer
71 views

accessing same domain name through a different port

I have a production website, and a development website. The must be accessed through the domain name, www.mysite.com. I would like to be able to access the dev site through a praticular port, say ...
0
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0answers
50 views

Socket Error 10054 - VS2013 Web Deploy Failing

I'm having trouble completing a web deploy from VS2013 as I posted in VS 2013 Web Deploy failure: Warning : Retrying the sync because a socket error (10054) occurred Apparently web deploy uses port ...
1
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0answers
173 views

“connection closed by foreign host” on one port but not another

server1 (suse linux) should be able to connect to server2 (redhat linux) on ports 4750 and 1080. when server1 connect to server2 (using telnet as a test) using 4750, the connection stays up and open. ...
2
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0answers
119 views

nginx - connect() failed upstream under load testing

I've been doing some load testing with wrk of my nginx reverse proxy -> my web app setup and I noticed that when I get to 1000+ concurrent connections, nginx starts returning 502s and the following ...
0
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1answer
51 views

Openning an RTSP port in linux

I want to check if a client can access a server via rtsp://192.168.1.5:554. As you can see the rtsp protocol and port #554 must be open and working on the server. Can I add iptables -A INPUT -m ...
4
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4answers
351 views

Which ports are required in order to authenticate against a ldap server in another domain which is behind a firewall?

I have a Linux domain running with sssd, let's call this domain NJ. I'd like machines on the NJ domain to be able to authenticate against an Active Directory ldap server which resides on a different ...
0
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1answer
48 views

serving html remotely from mac os x [closed]

TL;DR: simple HTTP server is accessible locally, but how can I make it available remotely in order to view the served files from another computer on the network? I'm using a zero-configuration ...
0
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2answers
137 views

Redirecting RDP (port 3389) with iptables

I have a Debian server with an IP 10.10.10.5 and a Windows computer with an IP 10.10.10.7. My plan is to make the Debian server forward all RDP traffic to the Windows computer with these iptables ...
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0answers
34 views

Cisco multi switch / multi VLAN monitoring

I have a DMZ and a internal LAN with VLANs that I wish to port monitor by means of a NIDS and three switches, if this is possible. Switch 1 (DMZ) 2950 / VLAN 10 & trunk port to Switch 3 Switch 2 ...
0
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2answers
119 views

How to see the java process that is using a port

I have a small Java ServerSocket application that is running on port 4444. I wanted to see the process using that port in my OSX terminal, and my first thought was to do the following: netstat -a | ...
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1answer
48 views

Is there a way to port forward a port to alternate between 2 ips [closed]

I have a server on a laptop that I move a round. if I am at my station I have Ethernet IP-address e.g. 192.0.0.1, and when I'm not I have the wifi IP of 192.0.0.99 is there way to make my router to ...
0
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2answers
459 views

UDP/TCP ports on AWS ec2 public IP blocked

My goal is to receive/send UDP packet traffic on specific ports on my EC2 instance (on my eth0 private IP) via my public IP. I am asking because I have set my security group to allow all ...