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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0
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1answer
399 views

Cant open port on Windows 2012R2

I really never had problem with Windows Firewall, however today on new installation i`m trying to open port 110 but i cant. My firewall rule is: printscreen telnet myip 110 Connecting To ...
-1
votes
4answers
665 views

postgresql login from remote

I want to give remote access to my postresql db (8.2) to computers that are at the same lan, at the default config I have added this line to pg_hba.conf where xxx.xx.xx.xx is the ip of the machine ...
0
votes
1answer
193 views

Apache : How to redirect domain.com:2368 to domain.com/blog

I have standard Apache configuration. At domain.com Apache is serving static html files (No backend technology) At domain.com:2368, there is a Ghost (blogging platform) instance, running NodeJS. I ...
0
votes
1answer
931 views

iptables for Windows to redirect traffic

I am currently testing my server traffic and would like to route all incoming+outgoing traffic so as to be picked up by Burpsuite for analysis. Ideally, all traffic from ports 80 and 443 should be ...
0
votes
2answers
150 views

server sending hpoms-dps-lstn packets to unknown IP

I have a server running pacemaker with corosync and some standard services as mails, web, ssh... When I run wireshard in my network I keep getting those packets that my server is sending to the IP ...
0
votes
1answer
288 views

Windows - Command for adding new printer port type using inf files

Is there any batch or powershell command to add new printer port type using inf files. I am able to see only below commands for adding TCP-IP and LPR ports and not port type. rundll32 - Install ...
3
votes
1answer
237 views

nginx: no permission to bind port 8090 but it binds to 80 and 8080

I'm struggling with some strange permission related behavior: when I configure nginx to listen to port 8080 everything works as expected, but when I use any other port I get something like 2014/01/10 ...
2
votes
2answers
2k views

MSMQ via HTTP - Why do we need TCP Port 1801?

Context: MSMQ, Windows Server 2008 (either "regular" or "R2" editions) According to MS online documentation here: http://technet.microsoft.com/en-gb/library/cc725576%28WS.10%29.aspx MSMQ messages ...
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votes
2answers
429 views

Opened some ports with iptables but they aren't open

I'm running a Debian 7 server via Linode VPS, and have recently installed/configured a mail server using Postfix and Dovecot. The final step to complete this was to open up ports 993, 995, 465, and ...
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3answers
65 views

Can I set up port forwarding to emulate not just a port but another IP address?

I am running a proprietary Windows application which functions like a server. You install the program, and then it broadcasts itself over port 13083. The program is web-based, so it's accessed ...
0
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1answer
1k views

Using netcat in windows to forward a tcp door to another machine

I have a computer with windows 7 under a firewall which can only initiate connections to other computers. It has a proxy server on it (port 9000) and I want to forward it to another machine ...
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vote
4answers
220 views

Apache2 VirtualHost IfPort?

I'd like to make a virtual host like this: <VirtualHost *:80 *:443> <IfPort 443> SSLEngine On ... </IfPort> ... </VirtualHost> So, if the host ...
0
votes
1answer
135 views

How can I prevent my Windows server from conducting port scans

I have several EC2 Windows servers on Amazon's AWS. I have been receiving messages from Amazon that my servers are conducting port scans on remote hosts on the internet. I have scanned the machines ...
2
votes
5answers
4k views

What is MonkeyCom on port 9898?

In /etc/services on a few machines I've checked, port 9898 is associated with a service called MonkeyCom: monkeycom 9898/udp # MonkeyCom monkeycom 9898/tcp # MonkeyCom The first ...
1
vote
1answer
319 views

VCenter 5.0 Server shows error on Hardware Status for hosts (port 8443) [duplicate]

I have the following: vCenter 5.0.0 build 755629 The problem: In the plug-in manager: vCenter Hardware Status VMware, Inc. 5.0 Disabled Displays the hardware status of hosts (CIM monitoring) ...
1
vote
1answer
854 views

Squid Transparent Proxy with port 80 redirection: blank page for some sites

I have a squid transparent proxy that's working great. To save time on client configurations I've decided to redirect port 80 to 3128 so I can configure for all clients the new proxy just changing ...
2
votes
1answer
350 views

Can't establish connection on port 80 for yum

Hi guys I have a very strange issue happening on one of my boxes. If someone can advise what I can check please let me know. Thanks. Here's the layout. Box 1 & Box 2 <> Firewall <> ...
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votes
2answers
475 views

Plesk - Forward subdomain to another port

I'm using an ubuntu web server with plesk 11.5.* - I want to forward a subdomain to a nodejs application with the port 2368. On my old debian systems i would create a vhost for ip:2368 and set the ...
0
votes
1answer
46 views

A way to only allow some ports on windows server

I have been trying to make this work the last few hours but haven't come far. I have a windows server 2008 and a set up Local Security Policy firewall yet "no" inbound rules (yet). My domains look ...
0
votes
1answer
153 views

OpenVPN client opens a random UDP port?

We are noticing this on a number of our openvpn clients: [root@box ~]# netstat -tulpn | grep openvpn udp 0 0 0.0.0.0:53950 0.0.0.0:* ...
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vote
2answers
2k views

check port open without telnet [closed]

What do people use when Telnet is not installed to check a port is open and reachable? E.g. I used to use the technique of telnet <destination> and know it was there, even if telnet could not ...
2
votes
2answers
100 views

Explain how to bind a service to a ip and port [closed]

Yesterday I had a discussion about running the same service, for example SMTP, on the same port on a server. I think this is possible by assigning multiple ip addresses to the server and bind the ...
27
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16answers
27k views

Why Block Port 22 Outbound?

I'm a programmer, and I have worked for a few clients whose networks block outgoing connections on port 22. Considering that programmers often need to use port 22 for ssh, this seems like a ...
0
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0answers
73 views

iptables only partially redirecting ports

I am moving over everything that uses port 80 to port 9000 on my server, so I configured my apache + it's virtual hosts to listen to 9000 using ip xx.xx.xx.106, and I set up my iptables to preroute ...
0
votes
1answer
31 views

Centos6 Alternate Apache/Virtual Host Config Alternate Port

I have an Apache2 + Virtual Host config that runs perfectly fine on port 80, but I'm trying to get the same setup to run on port 9000 instead. I went into my httpd.conf and changed the Listen line to ...
2
votes
2answers
6k views

How to change listening port on webbserver IIS 7 (globally)?

Is it possible to change the portnumber to which IIS 7 is listening for incoming questions, if I have Apache and want it to listen to port 80 and IIS 7 to 8080? And this setting should be serverwide ...
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0answers
146 views

Using iptables to log traffic from port mirroring

I configured one port of my switch to do port mirroring of the other ports. I connected to this port mirroring a server where iptables has some rules. If some rules are matched, iptables sends to the ...
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2answers
2k views

CentOS 6 and PostgreSQL - Can't Connect to Port

SOLUTION: it turns out the ORDER of iptables matters. The firth INPUT rule is REJECT all ... which precludes the ACCEPT rule. So I had to use iptables -I INPUT 5 ... to add the rule in the fifth ...
0
votes
1answer
174 views

Application Unable connect Remote Server. FIREWALL Issue

Developing a C# Application that uses an WDSL/SOAP service and connects to a server via port 443 I know it is a Firewall Windows 2008 Server issue. Because when I disable it, it works perfectly. ...
0
votes
1answer
81 views

Apache2 can't bind to any port, multiple apache servers starting?

I have changed the apache2 (httpd) on CentOS 6.4 listen port to 80, 443, 25640 etc no ports seem to work (98)Address already in use: make_sock: could not bind to address 0.0.0.0:80 no listening ...
8
votes
1answer
212 views

How do I specify port number for PuTTY to use with Windows cmd?

I start most of my SSH connections with a windows command like this cmd://"C:\Program Files\PuTTY\putty.exe" -ssh root@xxx.xx.xxx.xx I assume this defaults to port 22. Now I need to connect on a ...
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1answer
505 views

OpenVPN and port 1194 closed

I installed openVPN on my server. By default, the port 1194 is choosed. The problem is that when I am running: sudo nmap -sU localhost -p 1194 It shows me: PORT STATE SERVICE 1194/udp ...
1
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1answer
37 views

2 Apache with one user password in one system

I installed Apache 1.3, and Apache 2.2 on one system with different ports (444, 445). I used Apache Authentication info of 444 for both. When I want to go from port 444 to 445, Browser ask me ...
1
vote
1answer
294 views

Centos does not open port/s after the rule/s are appended

So after some battling and struggling with the firewall, i see that I may be doing something or the firewall isnt responding correctly there is has a port filter that is blocking certain ports. by ...
0
votes
1answer
39 views

Website hosted on IIS is not accessbile

I have two sites set up in IIS on a remote machine RM; one on regular port 80, and the other on port 5773. From my local machine LM, I can access the site on 80, but I cannot access the one on 5773; ...
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votes
1answer
485 views

ssh connection refused port 22 :: github

I have a strange problem. On one of my dev server i use git clone command to connect to github. I have set up my keys already. The connection between the dev server and github is intermittent. When ...
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2answers
538 views

Ports do not open after rules appended in iptables [closed]

I have a server that I am trying to setup for OpenVPN. I have followed all the steps, but I see that when I try to connect to it in Windows, it doesn't allow me, it just hangs on connecting, so I did ...
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votes
0answers
92 views

Infiniband dual-port redundancy

I want to setup redundant infiniband networking. I am going to use servers (Centos 6.4) with dual-port IB adapters (Mellanox Connect-X III series) and two unmanaged IB switches. I know that IB paths ...
-1
votes
1answer
40 views

Changed the port in Debian and forgot [closed]

A dedicated server with Debian 7 Changed the port in Debian (/etc/ssh/sshd_config) and forgot. How do can I find the port number?
18
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9answers
108k views

Check if port is open or closed on a Linux server using SSH?

How can I check if a port is open or closed on a Linux server (running Cent OS 5 and cPanel) using SSH? EDIT: And how can I open the port if it is closed? Thanks, James
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1answer
39 views

How is the port a part of a packet? [closed]

Computer A is running a program that initiates a request to Computer B on Port X. Where / how is the port transmitted in the API request?
-1
votes
1answer
81 views

How to route specific IPv6 address to another port?

I just got a VPS with an IPv4 address as well as a bunch of IPv6 addresses configured and I'm new to routing in Ubuntu/Linux. I would like to route requests with a specific IPv6 and port (i.e. port ...
0
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0answers
96 views

Only Apache can listen to port 80 on MacOSX

I have a python web framework, Tornado, trying to listen on port 8000 but failed. Under the testing conditions below, firewall has been disabled in system pref pane. ipfw list shows 65535 allow ip ...
0
votes
2answers
354 views

Cant open a port on my linux server [closed]

Here is the thing, my server fails to connect to gmail SMTP with timeout error. I think the 465 port is closed on my server so I did couple of thing, now my csf.config file hase this two lines: ...
0
votes
2answers
212 views

How to modify iptables so a port is accessible on the server

when I do curl --insecure https://localhost/svn from my linux box I can see that it is returning some data However, when I run curl on this machine from another machine on the same network e.g. ...
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vote
2answers
75 views

How to map an ephemeral port to a pid?

I have a RHEL server with several apps on it and I am attempting to figure out which one of them is making calls to an external web service. I have TCP dumps that show the calls being made and through ...
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2answers
1k views

How to specify the SSL port with command line curl?

I'm trying to test the SSL connection on one of my servers. The server is behind a LB so it's listening for SSL connections on the port 8090. I have use the --resolve option to test when talking to ...
3
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3answers
871 views

How do high traffic sites service more than 65535 TCP connections?

If there is a limit on the number of ports one machine can have and a socket can only bind to an unused port number, how do servers experiencing extremely high amounts (more than the max port number) ...
22
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9answers
49k views

How do I find out whether a port is available on Ubuntu 8.04?

Is there any command I can run from bash that will tell me whether a port is already open?
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3answers
1k views

How can I block port 6379 for outside traffic on ubuntu?

I want to block access to port 6379 on my server, but I still want to connect to it internally. The redis-server application runs on that port and I want to connect to it only locally (127.0.0.1). ...