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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.

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0answers
6 views

how to do port mapping in net card sharing [on hold]

I have two PCs (denoted as A and B). A is notebook and has a wireless access to the public internet. And B is connected in A's LAN and with shared access from A's wireless card. The A has Windows 7 ...
-1
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0answers
21 views

iptables: change source port of incoming udp packet [closed]

I'm trying to get mDNS working on a network that blocks port 5353 (the standard mDNS port). My plan is to make packets that are typically output on UDP port 5353 redirect to 5358, and make udp ...
1
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0answers
18 views

Mount NFS Share In Windows On Non-Standard Port

I have an NFS server on a Linux machine bound to a non-standard port. I can map it on another Linux machine using them command: mount -v -o port=$PORT $IP:/ /$MOUNTPOINT, but I can't seem to find any ...
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3answers
55 views

why linux assigns ephemeral ports out of its range

I have a server running mysql, ssh and other services. I want to see the range for ephemeral ports available for the OS running: cat /proc/sys/net/ipv4/ip_local_port_range which returns 32768 - ...
0
votes
1answer
18 views

How to open a port in Linux for other users in same network?

I have an application running that is listening on port 7896. I can access that using localhost and port 7896 but other users in the same network can't access that using my IP address and port 7896. I ...
0
votes
1answer
54 views

Run HTTP server on port 9090 (Node.js) and use Cloudflare

I wonder how I can add to Cloudflare subdomain to a specific port that can work in the browser. I open a socket using socket.io on port 9090 and have an index.html file server.listen(9090); if I ...
0
votes
0answers
21 views

IIS website only accessible over HTTPS (port 443)

I have my website running on IIS at hostname.com, with bindings for both http and https (I actually want to forward all http to https). From an external IP I can ping, telnet and visit the URL https:...
0
votes
0answers
36 views

AWS EC2 Nginx available at every port only not 80

Currently, I'm new to Nginx and hope that you can guide me to the right direction. I've tried to follow nearly every guide I found online, including uninstalling and reinstalling each time configs ...
0
votes
1answer
20 views

Cant open ports in VPS Win Server 2016(AWS)

i'm trying to open ports 7171, 7172, 80 in Windows Server 2016 at AWS. I already opened them in Firewall, then i tried to turn firewall off but i still unable to acess my xampp website through port ...
0
votes
0answers
548 views

how to find the process which initates transmition

I found that something is trying to reach 5353 port. My firewall kicks this after all ACCEPTs - (policy DENY, and some ACCEPTS - everything which doesn't fit to ACCEPTS is logged) [2206881.340582] ...
0
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0answers
40 views

Serve content from a port like a Apache2 directory

I have a Node.js/Express website running by port 3000. I would like to serve it as a land page of my server by the root (/) not using the port. I have a few limitations as I have also in the same ...
1
vote
0answers
31 views

How to set the mode of port? access, trunk, general

I tried to set (change) the mode of my port, and I read the book and followed it step by step. But I still get a lot of error. There were what I input. (Routing) (Interface 0/3)#switchport mode ...
0
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2answers
24 views

Log non HTTP requests/traffic that hit port 80 and 443 in Apache?

I'm trying to log all traffic (IP address and data whatever form of data is received) that hits a specific port (80 and 443 in my case) if it isn't valid for that port. So, for example, if someone ...
-1
votes
1answer
26 views

Trying to remotely access my machine after SSH port has been closed

I was trying to run a license server on my Ubuntu machine, through port 27020. I was using my server remotely, through an ssh connection, since I'm currently abroad. For one reason or another I did ...
0
votes
1answer
77 views

SMTP credentials for one server on another server - how does it work?

I have two VPS on DigitalOcean: example.com for my web page and mail.example.com as an email server. On mail.example.com I can successfully send and receive emails using terminal or a Roundcube web ...
0
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0answers
6 views

How to start and stop individual node instances on linux hosting server? [duplicate]

On my linux shared hosting server, I have been hosting a node.js site like this: node server.js & which I could access at: http://nnnnnnnnnnn.com:49998 and when I want to stop it I use the ...
0
votes
0answers
21 views

reroute request by port in iis7

I'm trying to set a webapp in iis 7 to forward requests to a specific port to a controller inside the website. I need that every request sent to http://server:6035/{QUERY} will be rerouted to http://...
0
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0answers
29 views

Docker and csf when running outline server

I've installed Outline (uses Docker) on my server while I have csf firewall enabled. the problem is I don't know what incoming and outgoing ports should I add to csf whitelist.
0
votes
0answers
20 views

Make HTTP and WebSocket share the same connection with thttpd

I would like to make HTTP and WebSocket share a single TLS-encrypted connection to the port 443. I know it is possible with nginx and apache, but what about thttpd?
1
vote
1answer
82 views

Windows - Webserver cannot bind to port 80, but no known processes are using the port

Long time ago I have created a Powershell script that stops the Apache-service, delete the webserver logs and the start the service again. Have had no issues until recently when the stop-process has ...
0
votes
0answers
76 views

Monit throwing failed protocol test [HTTP] instead of starting process

I have a custom process (an elixir application) running. I want to setup monit for it. I am setting up the monit check in /etc/monit.d as the following: set daemon 30 check host meraj-pc with ...
0
votes
1answer
32 views

linux port forwarding between two nics [closed]

I have a vicidial server running on suse. I have installed two nic cards. One nic connects to my local network and the other connects to the firewall. The config is as below: Nic 1 : 192.168.2.21 (...
0
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0answers
26 views

Nginx port refusing outside communication on Linux

I need to open port 82 for Nginx to route some CURL requests to Elasticsearch. Localhost requests are passing just fine when I do "curl localhost:82/" but from my machine it is being refused with "...
0
votes
2answers
176 views

Working with port 443 only and blocking port 80

We're trying to harden firewall settings for a computer. We allowed only port HTTPS (443), NTP (123) and DNS (53). Now we fail to send POST requests to a web api application unless we open port 80. ...
0
votes
1answer
48 views

Why do I need to configure a Trunk port?

I am relatively new to networking; I love to learn, but like to firmly grasp a concept before I move on. This being said, I researched what a trunk port is and I found this definition: [It ...
0
votes
1answer
44 views

How can i set the source port for SSH on unbuntu server? [closed]

I am creating a web challenge, and due to a firewall, i need to be able to set a static port for the SSH source port for it to go through the firewall. Is their anyway to do this using maybe netcat ...
0
votes
1answer
178 views

Cannot use port 80 twice with different ip addresses?

I have an interesting problem right now. On a Windows Server 2012 R2 I have two IP addresses, say 192.0.2.1 and 192.0.2.2. On one address e.g. 192.0.2.1 a web server runs on port 80, which is ...
1
vote
1answer
36 views

SSL Check - Exchange Server responding with Self-Signed Cert

How do I set an Exchange server to respond to a Web Based SSL Certificate checks on a specific port number with the Public Cert? If I do an SSL cert check on port 443 it gets the Public cert as the ...
0
votes
1answer
46 views

Don't understand Guest_ipaddr in iptables instructions

I am trying to port forward over NAT to a VM in a home network with this guide. (https://aboullaite.me/kvm-qemo-forward-ports-with-iptables/) However, there is a part that requires me to substitute ${...
0
votes
0answers
192 views

Port forwarding through VPS with OpenVPN to Client

In an attempt to allocate a public IP to a server inside my network i have the following scenario: VPS running Centos 7 and OpenVPN server with public IP 162.208.11.152 on interface venet0:0 Local ...
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0answers
69 views

Configuring a Zimbra server what port to open on the perimetral firewall for outgoing traffic?

I've got credential to access a server where i need to install zimbra server, prior to that I've asked to have this incoming port opened on the perimetral firewall of the isp: https://wiki.zimbra.com/...
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2answers
108 views

Changing ssh port on fedora-26

I vimed into /etc/ssh/sshd_config I edited #Port 22 to #Port 922 After I restarted httpd. service httpd restart However, ssh still only works on -p22. How do I edit the ssh config file to ...
0
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1answer
168 views

Cannot block port 389

I have been trying to completely shut down port 389 on windows firewall. I went into the firewall and added a rule stating to block ALL connections for TCP and UDP for the port 389(Inbound and ...
0
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0answers
313 views

plink.exe remote port forwarding to local machine for dynamic port forwarding

I have been trying since 2 days to do the following: I have a windows machine, let's call it A, and a Linux machine called B. There is a firewall between A and B. I want to connect remotely from the ...
0
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0answers
41 views

Glassfish 4.1 domain couldnt start. — it probably is another instance of a GlassFish server

I have glassfish app on my Linux red hat 6. I cant start my glassfish node it gives me next error : There is a process already using the admin port 5858 -- it probably is another instance of a ...
0
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1answer
100 views

Serving different secure sites based on port on same domain using nginx

I want to run multiple sites on the same domain, using nginx, but on different ports and want them all to use SSL Let's say, I have two sites siteone.com and sitetwo in the directory /var/www/ as ...
0
votes
1answer
45 views

Close Port 587 - Ramifications?

Our recent PCI scan failed because "Plaintext authentication is allowed over unencrypted channel on SMTP." As such, our tech support suggested to close port 587. What are the effects of closing port ...
1
vote
1answer
18 views

Issue accessing remote web service port from a Windows Server box

I have an issue where every laptop and phone I have access to can access a 3rd party remote URL (which contains WCF service) at an address like: http://example.com:17001/ServiceName.svc This can be ...
1
vote
1answer
29 views

2012 R2 Server stopped allowing external connections overnight

I am using a 2012 R2 server that we use for remote desktop. Overnight, external connections suddently stopped working - no changes to the server, no reboots ( i have now the problem presented ). ...
1
vote
2answers
144 views

How does a load balancer get around the 64k port limit? [duplicate]

When a request comes in, it gets rerouted to one of several available servers for the request. But there's only 64k ports available so at any given time there can only be 64k outgoing requests max. So ...
0
votes
1answer
246 views

cassandra port is closed

I am trying to connect to a cassandra installation from a remote machine. Cassandra is running the thrift service on 9160 which is the default port. But I cannot connect the DB and I always get ...
0
votes
1answer
139 views

ngrok[14746]: Incorrect Usage: flag provided but not defined: -domain

I am trying to create ngrok service in Kali Linux following this link:https://amito.me/2016/09/Building-Your-Own-Ngrok-Service-on-CentOS-7/ leafpad /usr/lib/systemd/system/ngrok.service [Unit] ...
1
vote
1answer
42 views

hostname and ip shows different record for port 4444. why?

I am trying to block all systems ports accept 4444 in Kali Linux. I added 4444 in my iptables and restarted iptables service. now nmap hostname -p 4444 is displaying it as open port but when I am ...
0
votes
1answer
65 views

Finding the value of `TIME_WAIT`

How does one determine the value of TIME_WAIT for port reuse? I am running a non-persistent HTTP load generator on a client box and need to find this value on the client. I see cat /proc/sys/net/ipv4/...
0
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1answer
118 views

Authbind Permission Error when binding socket to port

I’m running a Jupyter Notebook server on my Mac, and I’m trying to use authbind to run the notebook server on port 443. I’ve created the file /etc/authbind/byport/443, changed the ownership to the ...
1
vote
3answers
96 views

Trace an Unauthorized IP Scanner within a private network

I ran over a response that stated running an IP/Port scanner (fing) could alert an administrator. I am a curious being and have run about a bajillion unmalicious network scans without any consequence ...
0
votes
2answers
12 views

Apache serve specific documentroot on IP:PORT

I want to serve a specific documentroot on port 8000 I tried creating a .conf file in /etc/httpd/conf.d: Listen 8000 <VirtualHost *:8000> DocumentRoot "/newwebroot" </VirtualHost> ...
0
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0answers
89 views

Port accessing error for a docker app on google compute engine VM instance

I'm trying to deploy an web app in a VM instance at Google Compute Engine (GCP). I connect to instance via ssh and deployed docker-compose orchestrated app. Which runs two docker containers as below. ...
0
votes
1answer
33 views

How to make sure 8080 is accessbile outside the server?

How to open a 8080 port for an application, with iptables I see the above thread. And I run the following commands. But it seems that 8080 is still accessible outside the machine. Does anybody know ...
0
votes
0answers
151 views

Port not opening

I have a dedicated OVH server and I am trying to open port 30110 for outgoing TCP and port 30120 UCP/TCP for incoming and outgoing. I am trying to install a server through fivem.net. I tried to hire ...