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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3
votes
1answer
428 views

Setting up SRV records for a Minecraft server

I have a Minecraft server listening on port 25566, and I'm trying to set up an SRV record on my domain so you can access that game server by just typing the IP address: play.example.com. After many ...
-1
votes
3answers
1k views

Running a websocket server and a http server on the same server

I am using nginx to to serve an instance of PHP application, and also at the same time running a Ratchet app to listen to a websocket connection. Problem is, both of these instance are using the same ...
1
vote
1answer
13 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 ...
0
votes
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
votes
1answer
42 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. ...
-2
votes
1answer
31 views

Alternative solution when Port 25 is blocked [closed]

I'm running a web server on my VPS (debian & webmin) for hosting my wordpress website along with others too, i've also tried to setup a mail server (postfix+dovecot) but unfortunately my VPS host ...
2
votes
1answer
34 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 ...
0
votes
1answer
65 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: ...
0
votes
1answer
999 views

iptables denies internal access to port 17500

In the kernel log there are hundreds of these lines. The source is the external IP of the VPS (not localhost nor 127.0.0.1), other times an IP of the network of the VPS provider. The source port and ...
0
votes
0answers
25 views

How to sandbox internal IPs on the same subnet with one to one NAT [closed]

I am curious as to what technologies are employed to accomplish this with vendors that provide this service. What kind of LAN subnet restrictions can be imposed so that 2 hosts on the same internal ...
0
votes
0answers
22 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 ...
0
votes
1answer
899 views

Windows SMTP Service - Configure Smarthost for Specific Domains over different ports

I have a client that was recently acquired by a company. Their email system now resides on the parent company's network. Currently there is no VPN setup between my client and the parent company. I ...
1
vote
2answers
27 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
votes
1answer
18 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 ...
1
vote
2answers
614 views

Nginx refuses to bind to 8080

I have setup Varnish to run on port 80 which seems to work fine. COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME varnishd 8005 nobody 7u IPv4 14055 0t0 TCP *:http (LISTEN) ...
0
votes
0answers
12 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 ...
2
votes
3answers
4k views

WMI: How can I fix the port?

I need to use WMI for getting some information from my servers. But I have a server in DMZ, so I need to open a port in my firewall. I've searching and I found that WMI uses random port. How can this ...
2
votes
1answer
575 views

Apache keeps adding 8080 port by itself while I'm telling it to use 80 only

Here's my httpd.conf. Inside it, I have the following in place #Listen 12.34.56.78:80 #Listen 127.0.0.1:8887 Listen 127.0.0.1:80 #Listen 127.0.0.1:8080 Listen 192.168.1.4:80 and I have a .htaccess ...
4
votes
4answers
210 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 ...
1
vote
0answers
42 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. ...
1
vote
1answer
1k views

Configure Glassfish http-listener to Port 443/ 80

I want to configure the http-listeners in Glassfish 3.1.2.2 Build 5 under Linux. I changed the settings for the http-listener-1 to the port 80 and the settings for the http-listener-2 to the port 443. ...
2
votes
0answers
21 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 ...
1
vote
3answers
973 views

Windows Server 2008 - unable to bind any TCP port

OS: Win Server 2008 RC2 Windows firewall on (no effect when off) I have suddenly been plagued by an issue in which I cannot find any similar ones with a search. I am running about 20 game servers ...
0
votes
4answers
1k views

Server not reachable on all TCP ports from all locations

I have a very strange situation on a Linux (CentOS) server. Firstly, from my Ubuntu desktop PC, I can successfully connect to all services that are running on it, on ports 22, 80, 8080 and others. ...
0
votes
1answer
14 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 ...
-1
votes
0answers
9 views

SCOM 2012 R2 Gigabit - Level switch ports show no data

Ports on my HP V1810-45G Switch show no data, it should show atleast sent/recieved bits (should show CPU usage aswell, but atleast ports...). It's a CERTIFIED Device, all ports seem to be monitored: ...
0
votes
1answer
26 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
votes
1answer
2k views

Open port 8009/tcp on Fortigate necessary?

A nmap scan of a Fortigate Firewall showed that TCP port 8009 open is. According to knowledge base articles this is only to download the client for ssl vpn. Is this port used for anything else, and if ...
18
votes
7answers
12k views

Is there an equivalent to ssh-copy-id for Windows?

Is there any equivalent or port of ssh-copy-id available for Windows? That is, is there an easy way to transfer SSH keys from a local machine to a remote server under Windows? In case it helps, I'm ...
0
votes
2answers
55 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 ...
0
votes
2answers
27 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 | ...
1
vote
0answers
18 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
votes
1answer
74 views

ACL Rule to Open UDP Ports

I have the current rules in an attempt to open port 5060 and 10000-20000 for my VoIP provider. We are on a Cisco 1921 router. This ACL is applied to the WAN port on the router facing the ISP. Nmap ...
1
vote
2answers
68 views

Moving from <hostname>:1234 to <hostname>/app

I'm bringing up my first production-level(-ish) server and have installed and configured a couple of python web applications, which I have to access like so: <hostname>:8000 ...
-2
votes
1answer
47 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
votes
2answers
97 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 ...
10
votes
7answers
31k views

How do I get rid of sockets in FIN_WAIT1 state?

I have a port that is blocked by a process I needed to kill. (a little telnet daemon that crashed). The process was killed successfully but the port is still in a 'FIN_WAIT1' state. It doesn't come ...
20
votes
8answers
52k views

How to check if a port is open for remote system(ubuntu) [closed]

Is it possible to check that if the ports are open for the remote system on ubuntu server? I should able to check if a port(eg:ssh) on my machine is open for the remote machine.
0
votes
2answers
65 views

Unable to connect via apache port

I created a new VirtualHost file with the folllowing parameters: <VirtualHost *:6060> ServerAdmin xxx@xxx.systems DocumentRoot /var/www/xxx/httpdocs <Directory ...
1
vote
1answer
48 views

Enabling LDAPS: Cannot get to open port 636

I have a domain controller, which has Active Directory (AD). I want to turn on LDAPS on this AD, so that I could access the AD via secure connection. I have followed the following guide: ...
0
votes
0answers
28 views

Opening port 8000 for WCF on Azure

I created a virtual instance on Azure and deployed a couple of WCF services for testing, and also installed IIS. Then I added TCP endpoints for ports 80, 8000, and 8001. The services run on ports ...
1
vote
4answers
3k views

How to run node.js app on port 80? Are processes blocking my port?

I believe the port 80 on my remote instance is blocked, and I am trying to run a node.js app using port 80. I have experimented with ports 3000 and 3002, and both ports are working fine, but I get an ...
1
vote
0answers
33 views

Hadoop namenode port getting blocked

I have installed 7 VM instances of Ubuntu 14.04 LTS servers. First instance runs the namenode service and all other 6 nodes run datanode service.I think my NameNode is getting crashed or blocked due ...
0
votes
1answer
31 views

Passive FTP high port range - could the port actually be different?

When using Passive FTP, is it possible that the port number specified by the server could be altered in any way? For instance, if I see in the logs on my server the following, is it possible that the ...
19
votes
7answers
103k views

What firewall ports do I need to open when using FTPS?

I need to access an ftps server (vsftpd) on a vendor's site. The vendor has a firewall in front of the ftps server and I have a firewall in front of my ftps client. I understand that ports 990, 991 ...
4
votes
5answers
3k views

Can't launch glassfish on ec2 - can't open port

I'm trying to start glassfish on an EBS-based AMI of Ubuntu 10.04 64-bit. I have used glassfish on non-ec2 servers with no problems, but on ec2 I get this message: $ sudo -u glassfish bin/asadmin ...
0
votes
1answer
55 views

How to block every port except specific ones to a user with iptables? [closed]

I'd like to block every port except 80, 443, 1005 to a specific user (owner) with iptables. What command should I use?
1
vote
1answer
34 views

How to restrict access of a process to specific ports?

How can I restrict access of a process to use only specific ports, or block it if it uses non-allowed ports?
0
votes
1answer
56 views

Windows Server 2012, application needs administrative access to open port

How can I grant an application access to listen on one particular port, without running it as Administrator or disabling UAC? Per policy, had to transition from an old server (Windows Server 2003) to ...
0
votes
2answers
48 views

Can I configure a server to use a user port(>1023) for NTP?

Can a linux server be configured to use a high source port(above 1023) for NTP synchronization with a Stratum 1/2 server? Are there any disadvantages to doing this?