Newest port Questions

Q&A for system and network administrators

Windows 2003 dynamic ports rellocation

After digging the internet for a way to relocate the dynamic ports start number and range... I found the following registry settings... HKLM\Software\Microsoft\Rpc\Internet (Key) \...

FTP data connection-Unable to build data connection: Connection refused [duplicate]

I am planning to create an ftp client and at the moment I am testing some ftp commands via telnet. However, only the ftp control channel seems to be working and the ftp data channel has not been ...

How to open a Specific port on CentOS server

I want to open a port on my Cent Os remote server. I deployed a server application on the server which is using port 7500,when I tried making connection with it from my client client was not able to ...

Setting up a server in a shared office building [closed]

I built my first, simple web/file/media server set up at home, utilizing such remote connections as SSH (22), HTTP (80), HTTPS (443) and MYSQL (3306). In the coming weeks, I will need to move the ...

Cannot bind socket [0.0.0.0:5004]

I need to start an haproxy server and I ran into a problem. It shows me this line: [ALERT] 251/140351 (749) : Starting frontend localnodes: cannot bind socket [0.0.0.0:5004]. I tried other ports ...

No route to host harpoxy

While trying to run an haproxy server I encountered the following problem: "Server nodes / backend1 is DOWN, reason: Layer4 connection problem, info: "No route to host", check duration: 0ms, 0 active ...

How to configure port access with restrictions for zabbix agent and server using firewall?

I have my Agent / Server configured correctly, I know this because it was working. I just made changes to the firewall on the agent side restricting access on port 10050, but permitting the Server ...

Block certain ports on certain VMs running on KVM

I have 2 VMs Running on KVM hosts. I run a web server on one and use the other for experimental stuff - basically just use ssh on it. I want to block all incoming connections on all ports except on ...

Which Ports need to be accessible on a Domain Controller for Clients to logon? continued

With reference to one of the questions asked "Which Ports need to be accessible on a Domain Controller for Clients to logon?" I have a aligned issue being faced. Please see the following ports which ...

How do i redirect on my Server 2012 R2 incoming domain requests?

I have two virtual machines on my server which use port 80. How do i redirect sub1.home.home to machine 1 and sub2.home.home to machine 2 I think my router is not capatable for that, so port 80 ...

Ubuntu server: port seems to be closed, even though it shouldn't be

I am trying to run a websocket service that listens on port 8765. I can reach it from the machine itself, but I can't reach it from outside. I use ufw and everything works when I disable ufw. Here ...

Tell me which ports have been used during a period of time

I've been struggling with a server provider while trying to mount a few services for my company, this because they have an strict Firewall policy which denies all non-allowed IN/OUT internet access, ...

SSH on port 8122 for everyone except one IP

I have a Linux server I have ssh access on port 8122 but from my current office i can't access this port since it's blocked by the proxy. Since I don't want to change the port I wanted to know if ...

Ports safe to use?

I'm going to choose some ports for my own service use, I'm looking at IANA's list: https://www.iana.org/assignments/service-names-port-numbers/service-names-port-numbers.txt What's the difference ...

Using Centos Firewall how to assign multiple IPs to a Port? [duplicate]

Setting up a new zone, with a port that has restricted access to an IP address. How does one apply this to more than one IP? $ firewall-cmd --new-zone=special $ firewall-cmd --permanent --zone=...

IIS WordPress site on alternative port and rewrite rules

I had 2 websites running on a server with 2 different hostnames. Lets call them 1 - hostname1.host.com 2 - hostname2.host.com hostname1.host.com was bound to a WordPress site and hostname2....

How to open a port in Centos

I would like to use my iptables file like this. # Firewall configuration written by system-config-firewall # Manual customization of this file is not recommended. *filter :INPUT ACCEPT [0:0] :...

Daemon listening on a port, make port accessible from network requests on Azure

I have a software daemon listening on an arbitrary port, lets say 7500 I would like that server and port to be accessible from the outside world. The daemon is on a virtual machine on Microsoft ...

Is it possible to open a CSF-LFD closed port without attaching an IP to it?

CSF-LFD blocks nearly all open ports. It also blocks port 10000 which I need. I can open the port via a similar code: cat << EOF >> /etc/csf/csf.conf tcp|in|d=10000|s=aa.bb.cc.dd EOF ...

Login problems after changing default port ssh

I changed the Port in sshd_config file and restart the service (Using Linux Debian 8). Logged out from SSH (Putty) and I tried to login later but I can't connect through Putty anymore.. I tried to ...

Centos 7 apache cannot bind port 80

I've a freshly installed Centos 7 with just the basics and apache-php-mysql but I cannot find a way to run apache on port 80. Since the machine is used just locally I've disabled selinux and firewall,...

On Which port phpMyAdmin connect to remote database

My centos 7 phpMyAdmin unable to connect to remote database as i think the security policy is not allowing it (port may be disabled by firewall). As i checked the same configuration on wamp phpmyadmin ...

Opened a new port :8083, but cannot connect from anywhere

I have a remote ubuntu 14.04 OS and recently opened a new port 8083 by adding two lines on the /etc/apache2/ports.conf as below Listen 8083 Listen 0.0.0.0:8083 My public IP for my remote server is ...

Trying to open port 443 on Debian Linux. What am I doing wrong?

iptables -A INPUT -p tcp --dport 443 -j ACCEPT followed by a netstat -tln shows tcp 0 0 0.0.0.0:2822 0.0.0.0:* LISTEN tcp 0 0 0.0.0.0:587 ...

Sending message to two clients behind one public IP [closed]

So recently I have been developing a simple UDP server and client application (using C# with .NET), however I seem to have hit a dead end and am in need of advice. The current situation is that the ...

Sever Security: Blocking access to all* ports

I've got a question - I currently have a VPS with OVH. I have also searched but couldn't find anyone with a question exactly like mine! Would it be practical to block all ports except 80 & 443? ...

Diagnosing web server port 80

Got Windows Server 2012 installation for work, by a network admin(first time around dealing with a server, or setting up apache from scratch etc). Setup Apache to get things rolling, so I can at ...

Can't run 2 Socket.io based apps with Nginx

I have 2 Socket.io apps. The first one is running on localhost:3000 and the second is working onlocalhost:8878. What I want to do is to reverse proxy them in the way that the first one will work on ...

Poudriere custom pkg issues

I created a custom Pkg in my Freebsd Server, I got running my .txz in my server and runs well, but The package in my own vm install's ok. But when I try to install it into the jail in Poudriere I got ...

netsh portproxy forward IPv6 traffic on port 5050 to IPv4 address

I'm trying to configure port forwarding, so all traffic coming into this machine using the IPv6 address on port 5050 is forwarded to the IPv4 address on port 554. I implemented this, but it doesn't ...

different servers on different ports: friendly url? [closed]

I have different servers for different applications running on different ports and I want users to use friendly url to browse the applications. e.g. localhost:8080 run by tomcat -> I want users to ...

Make port appear as subdomain

I have Jira set up to serve on myserver:8080. There is an DNS A reference that points jira.otherserver to the ip address of myserver. (otherserver is going to host the Jira setup in the future) ...

Conditional Port Redirection on Local Machine Ubuntu iptables

I am new to this community and also to the tool I want to use, namely iptables, so please bear with my incompetence ^_^ Anyway, my situation is as follows: I have a private LAN with private IP ...

Why port 53 is open? [duplicate]

While i was testing open ports on my server from outside station i have noticed that on latest ubuntu LTS build 16.04.1, port 53 is open. Not sure why it is open, but i have read that it might be ...

MikroTik router setup

I am stuck with one issue. What I have: PC on the office with continious integration server (it has web UI):80 port and sinopia for private npm packages:9314 port. I need to settle vpn throuh AWS ...

How to force Port 25 to a VPN IP Address

I have a Cisco RV350 Router with a public IP, but the ISP does not allow port 25, and I have a VPN connection to Azure, so I have a public Azure IP address that allows port 25. How do I forward all ...

HAproxy redirect all HTTP requests from single frontend to single backend (multiple ports)

I have haproxy installed and it works just fine, currently I have configuration that looks as follows frontend public_http # Listen on port 80 bind *:80 mode http # ...

Is it possible to listen to different ports in the same domain name?

I am a newbie in server hosting and i have the code source of several applications that i can run on localhost and i want to host them in the same website So let's say that i am running the first one ...

Let's find a solution of how run a website with xampp on windows server 2008 / Share your experience [closed]

Well, I searched for it so much! But I couldn't find anything useful about it. I have a server with windows server 2008 r2 running on it. I configured DNS and domain name and they are working ...

Unsure about IIS usage of ephemeral ports

There was a discussion at my work today about the usage of ephemeral ports. The discussion was about how a request from a client will hit the server on port 80(this was only a discussion about HTTP ...

WordPress database connection not working after port change

I've recently changed a WordPress site that is hosted on a local server from port 80 to port 8080. I did this initially just by editing the binding in IIS. The site kept redirecting itself back to ...

How to remove access to a port using firewall on Centos7?

Had a port opened up to for public use using firewall-cmd, I wanted to limit this port to a specific IP which I found the answer for on this SITE. I used the following to open it: $ firewall-cmd --...

What is running on port 49181 Windows 7

I have an application that relies on port 63000 for communicating with other devices over the network. Some while ago this app stopped working on the PC. I tried all sorts of firewall configs, ON/...

Can I reuse SSL certificate for a website on IIS for a webservice on same IIS but on port 443

Can I reuse an SSL certificate for a website on IIS (running on Port 80) for a web-service on same IIS but on port 443

I seem to have locked myself out of access to the webserver root on port 80

I'm running a VPS with ubuntu 14.04 and apache 2.4. Well, what in fact has happened is that trying to access my site (http://example.net, say) I get the 403 error and the message that / is not ...

Switch not connecting to all computers

I need help configuring a switch (Datacom DM4000). It has 2 ports, one for management and one for console (obviously more 24 ports for normal use). With a RJ-45 to serial cable I was able to ...

why cant I only access a port from localhost?

I am trying to set up elasticsearch on my mapR issued redhat virtual machine. It comes pre-loaded with the mapR ecosystem. I installed elasticsearch via yum. I am able to listen to it from inside the ...

Configuring a port setting on Linux server

I'm trying to allow Internet traffic to port 7778 on my server, but am unable to do it correctly. Probably making some rookie mistake here. Can you help me diagnose and solve the issue? I simply did ...

User-specific SFTP Tunnels

Basically, I have a couple differant Centos7 LAMP stacks running on differant virtual machines (on xenserver) & openSSH. I also have a couple intermediate proxy authentication servers running (...

How to block Juniper srx 650 ports

I have a juniper srx 650 and i have enabled ssh and telnet. I want to disable all other ports. What is the best way to configure the device so as to achieve my objectives.
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