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
4answers
587 views

Varnish on 80, nginx on 8080, on which port to put jenkins?

On my staging server, I have Varnish + Nginx. They are on port 80 and 8080. Given that I have to install jenkins, on which port I have to bind it ? (which is usually 8080 but it's already taken)
-3
votes
3answers
77 views

SSH on linux | CentOS [closed]

I have a Linux server using CentOS. I have changed the SSH config to make it a little more secure, First I changed the from from default 21 (or 22?) to 34786. This way if someone tries to hack in at ...
1
vote
2answers
73 views

How to get the port number a user ssh'd in on?

I am transitioning servers away from port 22 in an existing multiuser environment. I have configured sshd to listen on two ports: 22 and the new port. Now I would like to detect when a user connects ...
-1
votes
1answer
47 views

What is the difference between an accelerated LAN port and a regular non-accelerated port? [closed]

Can someone explain the difference for me? Wondering more about the difference for the end user, but a technical description would also be helpful.
0
votes
2answers
342 views

Countermeasures versus incoming DNS reflection attack

i am currently experiencing a DNS reflection attack towards my server. I am getting a massive amount of answers via UDP from Port 53 that my server has never asked for: 02:53:57.626156 IP (tos ...
-1
votes
1answer
554 views

Can't access apache by port 80 from external

I followed a lot of solutions I found, but it still doesn't work. I can access the server by port 80 inside my network, bui I can't on another one, just by another port (like 62, as I set). Files: ...
1
vote
0answers
309 views

Trying to change a custom VPN port back to the original on Fortigate 40C

We recently changed our firewall and bought a Fortigate 40C device. We wanted to use our old VPN settings. The Fortigate support technician told us that this model was new and he didn't know it in ...
0
votes
2answers
31 views

How to append mysql access to iptables

On one of my servers, I can see this: ACCEPT tcp -- distinct_server_ip anywhere tcp dpt:mysql By doing sudo iptables -L | grep distinct_server_ip And with ...
-1
votes
2answers
61 views

Get domains accessed through a specific port [closed]

I'm developing a product and at a certain point I need to get domain names used to access some service on a specific port. Let's suppose I've a computers network with Internet access through a Linux ...
4
votes
3answers
10k views

How to disable System service from listening on port 80 in Windows Server 2003

I'm trying to install a service on a Windows Server 2003 machine which is supposed to listen on port 80 but it fails to start because some other service is already listening on that port. So far I've ...
0
votes
0answers
33 views

Can Azure load balancing, balance to several ports on one (or more) VMs

I have a single threaded application (on an Azure VM), which I want to run one instance per cpu core. I will need to use one port per instance. (e.g., ports: 81,82,83, and 84) Is it possible to load ...
1
vote
4answers
3k views

changing the default port no of tomcat in ubuntu

Hi all I'm trying to change the port number of my Tomcat server installed on Ubuntu. For this I have changed the file server.xml and made the following changes: <Connector port="8081" ...
4
votes
1answer
2k views

tomcat cannot change port 8080 to 80

I want to change the port 8080 to the default HTTP port (80), to use a Jersey Application as HTTP-Restful API. Therefore I replaced the port from 8080 to 80 (within /etc/tomcat7/server.xml) and ...
1
vote
1answer
979 views

Windows Server 2008 constantly spamming external IP's on outbound TCP port 445

I have a Windows Server 2008 box running as a Domain Controller. I have noticed in my Cisco ASA firewall logs that this box is continuously sending out (like a thousand requests a second) requests on ...
0
votes
1answer
344 views

How to ensure Netgear GS724TP is not blocking Dropbox Lan Sync - port 17500

We're a small company using Drop Box for business but have noticed that Lan Sync refuses to work on our network (it works fine at home). After trouble shooting the issues on the Dropbox forums, it's ...
-2
votes
1answer
101 views

How to close port 8080 from all except ip 127.0.0.1

I am on Centos 6 with Nginx on port 80 and Apache2 behind him on port 8080. I've written an anti DDOS script which works fine when ip access port 80, but if attacker directly spams port 8080 ...
14
votes
9answers
114k views

Disable TeamViewer from “stealing” Port 80?

How can you disable TeamViewer from using/reserving port 80? I am certain in the previous version <v4.1.6 there used to be a radio button option in "options" which disabled it from needing it, but ...
-1
votes
1answer
934 views

Opening port 587 on Debian running on Google Compute Engine

I'm attempting to use port 587 for my server mailing purposes. However, I can't seem to be able to unblock the port even after trying the following : Adding port 587 to the Google Cloud network ...
0
votes
2answers
376 views

CentOS - Allow FTP access through IPtables

Sorry guys for the stupid question, but I can't open my FTP (ProFTPd) from browser on CentOS 6.5. When I stop IPtables I don't have problem, but when is running I have. Port 21 is open, port 20 is ...
-1
votes
1answer
39 views

how to help 2 devices share local ports behind firewall through a ssh server with ssh reverse tunnel port forwarding [duplicate]

A diagram of the project: It is working under Putty with its GUI configuration, but it is not working if using command line through Putty. how to replicate the GUI settings in putty with command ...
4
votes
7answers
22k views

Port 80 is being used by SYSTEM (PID 4), what is that?

I am trying to use port 80 for my application server, but when I perform "netstat -aon" I get TCP 0.0.0.0:80 0.0.0.0:0 LISTENING 4 When I look up the process in ...
0
votes
0answers
76 views

Network Issues Connection to SQL database on MS server

Prior to asking this question, I followed this thread: Cannot telnet to SQL Server on port 1433 I am attempting to connect to a database on a server distinct from the computer upon which I am ...
-3
votes
1answer
5k views

Ports needed for the vSphere 5.5 client to connect to the vCenter

We are currently setting up a new vmware environement based on ESXi 5.5, with the virtual appliance and vSphere client. After a lot of research (maybe I didn't searched well), I couldn't manage to ...
3
votes
2answers
2k views

is TCP port exhaustion real? [closed]

How fast would one need to allocate ephemeral ports in order to get into the TCP port exhaustion condition? I was told there are ~4k (older Windows), ~16k (newer Windows) or ~28k (RH Linux) ports ...
0
votes
0answers
139 views

Port 80 Occupied

When trying to run Apache from the Windows Command Line, it gives the error (OS 10048)Only one usage of each socket address (protocol/network address/port) is normally permitted. : make_sock: could ...
4
votes
7answers
13k views

Webmin and/or port 10000 not working

I've recently installed Webmin on a Ubuntu server but I can't get it to work. I asked a recent question about saving iptables but it turns out you don't need to "save" iptables changes. Anyway, I ...
1
vote
1answer
938 views

Trouble changing SSH port

I'm running a CENTOS web server with WHM and CSF firewall. I'm trying to change SSH from the default port. I've opened up the port in CSF and modified /etc/ssh/sshd_config uncommenting the port line ...
0
votes
1answer
1k views

UFW — How To Open Port 8080

I thought I had allowed connections to http-alt (8080) using ufw. My reasoning for thinking this is because: gerrit2@localhost:~$ sudo ufw status Status: active To Action ...
-1
votes
1answer
41 views

Changing Samba port doesn't work

I want to change the Samba default ports for testing. I tried adding "samba ports = 1445" to the samba config, but now I can't connect to it at all! I also tried adding -p 1445 to the samba start ...
-1
votes
1answer
834 views

Failed to bind to: /0.0.0.0:443 [closed]

I am having problems starting my play framework server on port 443,i am using scala play 2.20 and my play server running fine on port 9443 by following command ./start -Dhttps.port=9443 ...
13
votes
2answers
706 views

How should I select the port number for a new tool?

I'm creating an internal collaboration tool that will use a central server (on an intranet) and one or more ports for socket communication to clients. I know that many ports are reserved for ...
16
votes
6answers
11k 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 ...
3
votes
1answer
994 views

Linux - TCP Source Port Reuse (and delay)

We have an application making a lot of calls to a remote web server/service. Client app is JBoss/Java on Linux (Red Hat 5), remote server is Windows 2008. There is a Cisco ACE in the way but there ...
0
votes
1answer
444 views

proxypass /jenkins to port 8080?

Hi I have a VPS running cpanel and it is also running Jenkins on port 8080 I have used proxypass in the Apache config to redirect jenkins.rystuff.net to port 8080 but was wondering if there is a way ...
1
vote
1answer
45 views

redirect to specific port without apache

I'm running a few small web applications listening on different ports... 8787, 8888, & 8000. None of them are apache though. Is there any way via either DNS or iptables, or some other way, that I ...
6
votes
1answer
5k views

Selecting Interface for SSH Port Forwarding

I have a server that we'll call hub-server.tld with three IP addresses 100.200.130.121, 100.200.130.122, and 100.200.130.123. I have three different machines that are behind a firewall, but I want to ...
2
votes
2answers
4k views

Nginx 502 Bad Gateway - 111: Connection refused, port not being listened to

I'm aware there are many other similar questions but the solutions from those questions I feel I've already got in place. I've got 3 sites running locally on a VirtualBox Ubuntu 12.04.4 LTS Server, ...
0
votes
1answer
198 views

Ubuntu IPv6 port redirect using ufw

I'm trying to configure port redirection from port 80 to 8080 on server with both IPv4 and IPv6 support. The OS is Ubuntu 14.04 with the 3.2* series kernel. It is a production server, so I don't want ...
0
votes
1answer
340 views

Failed PCI DSS Compliance

I got this from my compliance check results. To me it looks like my router is responding to their test but I'm not sure where to go . ( might be off track completely though) Description: PCI DSS ...
0
votes
5answers
11k views

Unable to connect to MySQL through port 3306

I read the answers about 3306 from a question posted in 2009. I have the same problem, but the answers I read didn't help. Port 3306 is open, even if I stop the windows-firewall, MySQL still can't ...
0
votes
3answers
458 views

IPTABLES won't keep changes on restart [duplicate]

I have a hostgator VPS that has a CENT OS. When I stop the VPS and start it again, the changes I've made to the IPTABLES won't save I've tried to save the IPTABLES and to no avail. Every time I ...
-1
votes
3answers
88 views

Make port accessible only from localhost

I'm using a software which is accessible by http://server_ip:certain_port I want it to be accessible internally only, by http://localhost:port. How can I block those ports from the outside?
0
votes
0answers
247 views

One public IP and two web servers

We have our IBM server (internal ip: 192.168.1.128) connected to internet via router (192.168.1.1). I have forwarded the following port: Port 80: internal IP 192.168.1.128 for incoming HTTP ...
0
votes
3answers
227 views

CentOS/Linux Block External Port

Suppose I have an internal service running on port 7676, how would I (On CentOS) block port 7676 from external sources, so that it can only be accessed locally - AKA 127.0.0.1, not using, for example, ...
-2
votes
3answers
276 views

How do I get iptables to allow a new port (for a webserver sockets handler)

In the local development server, I don't have any iptables rules (running on a Mac). The production server however, runs CentOS 6 with certain rules. I need to add a rule that allows the client to ...
0
votes
1answer
945 views

Error changing mysql 5.6 default port

I've changed my.ini with port=3308 but after restart the service mysql 5.6 is working in the same default port 3306. I've tried in mysql 5.5 and it worked fine. C:\Archivos de programa\MySQL\MySQL ...
3
votes
2answers
213 views

After kill -9 process won't disappear and port is still bound

We have a Java server application running on Mac OS X. Occasionally this application has become unresponsive, and we have resorted to killing it with kill -9. However, the process doesn't disappear; ...
0
votes
0answers
17 views

how to identify and eliminate previously assigned port

We are running Sharepoint WSS3.0 2007 standard. We used to allow a sister division to utilize this product. I have moved them to a Google site. Now, I believe I want to make certain that the port is ...
1
vote
2answers
794 views

Serving Meteor on main domain and Apache on subdomain independently

I'm running a Meteor server on my Ubuntu server. But problems arise when I try to have Apache serving a subdomain on the same server. main.domain.com -> Meteor sub.domain.com -> Apache Meteor is ...
0
votes
2answers
463 views

Can't connect to MySQL server on 'localhost' after changing TCP/IP Port

When I change the TCP/IP Port the MySQL Server will listen on port=3306 to port=3808 in my.ini, my Django project works very well. Navicat also can login in to mysql with same user name and password. ...