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.

learn more… | top users | synonyms

0
votes
1answer
209 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 ...
1
vote
1answer
532 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) ...
2
votes
1answer
637 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 <> ...
0
votes
1answer
50 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
259 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:* ...
2
votes
2answers
4k 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
109 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 ...
0
votes
0answers
83 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
44 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 ...
0
votes
0answers
178 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 ...
0
votes
2answers
3k 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
406 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
94 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
470 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 ...
1
vote
1answer
1k 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
vote
1answer
38 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 ...
0
votes
1answer
43 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; ...
1
vote
1answer
443 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 ...
-1
votes
1answer
760 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 ...
-2
votes
2answers
812 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 ...
0
votes
1answer
2k views

Open port 8009/tcp on Fortigate necessary?

A nmap scan of a Fortigate Firewall showed that TCP port 8009 open is. According to knowledge base articles this is only to download the client for ssl vpn. Is this port used for anything else, and if ...
-1
votes
1answer
49 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?
-1
votes
1answer
40 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?
0
votes
1answer
117 views

How to route specific IPv6 address & port 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
votes
0answers
127 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
520 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
347 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. ...
1
vote
2answers
93 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 ...
2
votes
2answers
2k 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
votes
1answer
706 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
2answers
768 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 ...
-1
votes
2answers
557 views

Use my server as a proxy to bypass blocked ports [closed]

I cannot connect to some services (TS3, Mumble, Steam...) from my university because some ports are blocked. I was wondering, can I use my dedicated server as a kind of proxy? so I connect to my ...
2
votes
2answers
1k views

VMware ESX: Unable to delete PortGroup. 1 active ports

At work we have an ESX 4.1 cluster with some vlan's (Port Groups) configured on a vswitch on each host. A lot of these port groups aren't in use anymore so we decided to clean them up. We don't have ...
-1
votes
1answer
133 views

Cannot reach website from outside of LAN [closed]

I am at much of a loss here, guys. I am running an Apache HTTP webserver from my laptop and I am unable to reach it from outside the routers borders/LAN. I cannot seem to ping it outside LAN and when ...
2
votes
1answer
164 views

SELinux remove or leave the old SSH port label?

I am following this (basic) security guide to change my Server's SSH port to something else. It says: $ semanage port -a -t ssh_port_t -p tcp 2345 #Change me ...which would add a new label on top ...
0
votes
1answer
27 views

Monitoring Port Requests for Command

I have a command which I am running that starts a process listening on a port. I am currently getting the following error. socket exception: Address already in use The problem is, I don't know what ...
0
votes
1answer
110 views

Remove port from the url [closed]

How can I change the url http://localhost:8080 to http://localhost in a lighttpd server.. I searched on Google, but no luck.. My current .conf file server.document-root = "/mnt/sdcard/www" ...
0
votes
1answer
589 views

Allow socket connection in Solaris

I have 2 solaris machines and I have an application that opens a socket via port 8556, but for some reason the connection keeps getting refused. When I run a netstat command on the second server ...
0
votes
2answers
333 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. ...
1
vote
0answers
53 views

what is PAT exactly?

In attempt to understand PAT, I've setup the following setup where I have a Linux Router that masquerades from in internal interface to the external. Thus both clients are able to talk to outside ...
3
votes
3answers
1k 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) ...
0
votes
0answers
308 views

Change default ssh port on Fedora EC2

I have changed my /etc/ssh/sshd_config adding multiple ports for it to listen: $ grep Port /etc/ssh/sshd_config Port 22 Port 80 Port 443 However, after a service sshd restart (which shown no ...
-1
votes
3answers
171 views

Hosting a web service on port 22… Is that possible? frowned upon? [closed]

I am trying to resolve a client's problem and I had an (bad?) idea... The problem : Client has two web servers running behind his wan router. (physical servers in his building) Each server hosts a ...
0
votes
1answer
168 views

access application through a specific node/app server in websphere

i have an application hosted in websphere 6.1. there are 4 application servers in a single node. each app server has its own http, listener port numbers. what i am trying to do is access the ...
6
votes
3answers
344 views

What is the difference between these 2 iptables rules?

Trying to allow incoming ssh traffic on port 22. Default behavior is to DROP all incoming traffic. I came across 2 articles on how to allow traffic. However, they are different. ## open port ssh ...
1
vote
1answer
243 views

Using Group Policy create Local Port that points to C:\scanbookdata\epl.txt

I'm trying deploy a local port printer which points to c:\scanbookdata\epl.txt using Group Policy. Below is screen shot of what I'm trying to do : I'm lost as how to go about this. Any help would ...
-1
votes
1answer
38 views

statistics on port 22 blocking [closed]

What are the statistics on port 22 blocking by firewalls in small and medium sized enterprises? We have a product that a customer installs on a PC, which communicates via ssh to our cloud server. It ...
0
votes
2answers
225 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 ...
1
vote
1answer
901 views

Configure Glassfish http-listener to Port 443/ 80

I want to configure the http-listeners in Glassfish 3.1.2.2 Build 5 under Linux. I changed the settings for the http-listener-1 to the port 80 and the settings for the http-listener-2 to the port 443. ...
13
votes
2answers
407 views

Ethernet port plastic plug blocking port access on server

I have Dell Poweredge server with plastic blockers inside their ethernet ports. My problem is that I don't know how to take it out. You can see photo of the plug here: I tried to pull them out, or ...