Questions tagged [ports]

Use this tag for Ethernet ports. E.g. IP:port.

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9 views

Issue with openeing port ZTE H268N V1.1.0_OJ.1T3

guys, I have an issue with I had Router (Sagemacom ) I opened the ports all and it was work till I bring a new router ( ZTE H268N ) I tried to open the ports in EVERY Way I'm sure 600% of my ...
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47 views

Installation new domain controller throws error about used ports (88)

When I configure my server as the first Active Directory domain controller in a new forest in Windows Server 2016 I get error as below: Verification of prerequisites for Domain Controller promotion ...
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8 views

Google Cloud - Create load balancer with multiple ports and services

I need to create a load balancer in Google Cloud Platform and I need it to accept requests from multiple ports: 80, 8080 and 9090. For that I configured the backend services and enabled them for ...
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1answer
18 views

Port Forwarding Port 80 to PS4 - what about other devices on port 80

I would like to forward several ports, including port 80, to my husband's PS4 for gaming purposes. On our network I know that there are a few other devices using port 80, notably a nanny-cam. These ...
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46 views

Cant access open ports on local network including server, but can externally

I have recently purchased a new server, I have a pretty infuriating problem where ports that I open are accessible to external devices but can't be accessed by any device on the local network and even ...
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22 views

Local and remote address of open ports is confusing

I am trying to understand how many ports are open/connected or listening on my computer, what are they doing and who are they?. I see :: in the column "Local Address" and "Remote Address" I am using ...
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1answer
29 views

assigning com ports to usb ports of a usb hub

I am starting to automate my lab and for that I need to connect 8 devices to my computer (not enough USB ports). All of them can communicate through a virtual com port. My question is that if I ...
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1answer
46 views

What are the risks of hosting my own website with WAMP?

I already know everything I should do to, but most of the guides out there just state that opening port 80 is very risky. What are those risks, in practice? I would use WAMP and WordPress, do they ...
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1answer
17 views

Anyway to connect A/V cables to a laptop?

I want to connect the red, white and yellow A/V cables from an A/V camera receiver to my laptop so that I can cast the video from the camera to my laptop screen. But there are no A/V ports in my ...
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1answer
37 views

Setting up a SSH jump host for forwarding?

I am trying to configure a machine, B, as a proxy which means that incoming ssh connections get silently redirected to another host, for example C. As the guy who initiates the connection all I have ...
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36 views

Attempts to publish RabbitMQ data seem to be blocked

I am using RabbitMQ for syncing data between two applications. These applications reside in 2 different countries—the U.S. and China—and RabbitMQ is being accessed from both the locations. Sometimes ...
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25 views

Node-exporter default null port

I tried run Prometheus, node-exporter and cadvisor through docker-compose on debian sever but facing with port problem. Node-Exporter got error (default port was using with another procces), after I ...
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1answer
4k views

What computer port is this? [closed]

My Lenovo X1 Carbon (6th gen) supposedly has a MicroSD card reader. But I have never had to use a MicroSD card reader before and I couldn't identify this port. I tried to put the microSD card in, but ...
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17 views

no web service installed - localhost returns 404

I'm trying to figure out why my port 80 is hogged by some system process (PID 4), as I want to forward the port to a docker container running nginx. I checked in Control Panel > Programs and ...
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1answer
101 views

How to determine what is filtering port?

I have a number of devices they are used in electric power SCADA system, which are connected to GSM routers to send the data to a server by means of two ports 2404 and 9002. Some times the server can'...
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15 views

Flashing bios chip with i/o ports?

I'm using lenovo b490 laptop. recently bios failed on my laptop. Blank screen appears when i turned on my laptop. I'm trying to flash bios from the usb or other i/o ports. Is there any way to flash ...
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60 views

Ports inacessible until I connect to SSH

I run a game server on the port 7777 now this happens on all the ports except common ports like 22, 80, etc... and all the ports are inaccessible until I connect to my SSH. I ran NMap and it shows ...
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1answer
17 views

How does nc identify service names

root@nanana:~# nc -zv localhost 5432 Connection to localhost 5432 port [tcp/postgresql] succeeded! How does nc find out that postgres is listening on the port? just by common port numbers and by ...
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33 views

How can I prevent the Media Centre Extender from recreating port rules?

I have a windows 10 PC which hosts a web service for an application, so there is a port rule for it to come through 7778. Recently a rule is overwriting the web service one causing it to stop working, ...
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8 views

IIS Web Service find properties

I inherited a system that reads a SQL data base through a IIS web service. I have no information about it but I have admin access. How can I find what port is being used? (It's not obvious on ...
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1answer
63 views

What am I missing in port forwarding?

I am trying to forward a specific port on my router with listening to that port number, but when I run canyouseeme tool, it shows the connection is refused. I made the inbound rule, no firewall no ...
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164 views

Port Forwarding vs Port Triggering for online game Elder Scrolls Online

My system is Windows 10 on a TP-Link WDR3600 router (no VPN). I use this computer for banking and other important things. I'm no network engineer but I've heard port forwarding puts you more at risk ...
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1answer
665 views

Can not forward docker container port to host

I am trying to forward docker container to host machine. I am using following command docker run -d -p 80:8000 nginx I have tried very hard, but not able to access nginx from http://localhost:8000 ...
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1answer
236 views

How can I properly open ports for local traffic on a windows domain profile?

I'm trying to open port 23 on a windows firewall, specifically a domain profile. The purpose is to allow communication from computers A and B to computer C, all are on the same domain. When I open ...
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42 views

Can I run my server on SSH port?

I set up server for a game on my PC and by default it works on port 25565(minecraft!) and I want people from outside my Uni network to connect to the server. I want to know if there's any way to use ...
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1answer
289 views

Restrict Chrome to using only a very small range of ports?

Is there a way to restrict Google Chrome to using only a very small range of Local Ports? Presently, Chrome is using a large range of high-numbered ports. I'd prefer to be able to more precisely ...
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1answer
6k views

How to open port 8080 on windows 10, configure firewall and any other settings?

I have a Windows 10 computer. I am attempting to get my WAMP web server on the web but have been and continue to be unsuccessful. I believe I narrowed it down to windows though. My Motorola Cable ...
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74 views

cant run xampp apache with LabView

I have xampp installed, and i am using apache with ports 8080 and 4433. When I installed National Instruments LabView, I couldn't start xampp apache anymore. after reading a bit. LabView includes ...
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205 views

Automatization of port scan proccess

I have a task in my company, that I need to scan all open ports from my external range of IP's and I need to create something to do this task every week or month and update the results with the new IP'...
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1answer
387 views

How do I Block a Port on all IPS, except 1?

how do i block a port on all IP's except 1? say I have IP's: 192.168.1 192.168.2 ex: how would i only allow port 21 on 192.168.1 through IP tables or similar?
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3answers
664 views

Is it normal for screws on PSU to have electricity?

I was getting electric shock from my USB ports, so I decided to check. All the ports on my motherboard also have electricity (I'm using a tester to test it). There fore I removed my motherboard ...
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593 views

Windows: how to bind to <1024 port as standard user?

I was wondering if there was a way on Windows to bind to a <1024 port as a standard user? I am aware that this requires Admin privilege but can I approve the request with Admin but run the actual ...
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1answer
34 views

How to log all ports once opened by a process/app in Linux for short time?

I have an app that makes some kind of upd ping to the network and for some short time listens for some port in order to receive some feedback during some timeout. It is short enough to observe if with ...
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38 views

Connect to Windows Server 2012 on specific ports

Try to connect to your computer on ports (135÷139,445), for example by connecting to a shared folder (C$). You can use "net use" command. Hey, I'm making security exercises (Firewall stuff), but I'...
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1answer
2k views

How long would it take to perform different port scans on all 65536 ports?

I am currently using Nmap to map local networks in part of my program, and I was wondering how long it would take to perform different port scans on all ports? What is the timeout and average packet ...
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1answer
179 views

Second router in home network - how to setup properly

today I got a router to split my home network in two partitions to isolate some devices. In particular I have Raspberry Pi which I would like to access from the internet and keep all my other devices (...
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286 views

Not able to connect to VM from web browser with SAS University Edition

I have installed SAS University Edition through Oracle Virtual Box as intended. The user is meant to connect to SAS from outside the VM via a web browser. Unfortunately, I am unable to make a ...
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2answers
329 views

Doing forensics using PowerShell in Windows, linking ports to applications

In order to correctly do forensics; in finding vulnerabilities, that the security team has revealed in their security scans. The two commands I use mostly do this job is: c:\ netstat -abno | find "...
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3answers
28k views

How to find out which ports are used by a program?

I try to figure out which ports a specific program uses if they send data to the internet. Is there a tool which is able to find this out? Or do I have to do package inspection by using wireshark? ...
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3answers
3k views

Portforwarding to multiple computers

Me and my brothers are playing the computer game GTA Online. We are all connected to the same local network. However we experience connection problems sometimes. Now I read on the official Rockstar ...
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1answer
206 views

Reliable online port scanner to check my DSL router? [closed]

can you suggest me a reliable online port scanner to check (open/closed) the ports of my DSL-router ? Thanks !
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2answers
72 views

How does a router decide which device to route data to if both devices have programs listening on the same port?

Say I have two devices on a router which both have software listening on port 999. A client outside my local network attempts to connect to my public IP address via port 999. How does the router ...
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2answers
3k views

Systematic attacks on multiple services & ports (getting past NAT) on hobby server

Fresh install of Fedora 25 Server Server behind a router with only a few NAT-rules Many SSH login attempts from hundreds of different IPs / ports (ever-changing) Recently attacks / exploits on nginx (...
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1answer
151 views

Listening to all packets on a specific port

I'm using netcat -l 555 option to communicate between two computers on port 555, is there any way I can eavesdrop to whats going on in that conversation from a 3rd computer connected to the same WLAN ...
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1answer
8k views

Apache 2 with SSL virtual host on different port 8080 or 8081 in Linux

I was trying to configure SSL(443) for one of the virtual hosts configured in Linux with same domain name with diffrent port number I have used mod_ssl for the configuring the https. For virtual ...
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0answers
42 views

Issues running File replication pro service

My management server and replication server are both on the same LAN, both have windows 7. No firewalls in between Windows firewall is also disabled on both machines. File replication pro uses port ...
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40 views

Find the ports used by processes of a different machine

Is there a way to find the processes running on ports of a different machine?
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2answers
1k views

What is the master process running on port 465?

I want to close non used ports in my server, after doing a port scan I found service urd running on port 465. Running lsof I see a "master" process running on that port (also 25, 587,etc..). Question ...
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2answers
5k views

Display port to DVI or Display port to HDMI, or VGA

I know that there are a lot of questions about different ports for connecting a monitor, but i have one that i think is unanswered elsewhere. I have a laptop with only a display port and VGA output. ...
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1answer
49 views

Opening two ports

I have 2 ip cameras, one is operating on port 8021 the other I would like to operate on 8022 I have successfully opened a port forwarding rule for port 8021 and can see my camera output from outside ...