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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Apache keeps adding 8080 port by itself while I'm telling it to use 80 only

Here's my httpd.conf. Inside it, I have the following in place #Listen 12.34.56.78:80 #Listen 127.0.0.1:8887 Listen 127.0.0.1:80 #Listen 127.0.0.1:8080 Listen 192.168.1.4:80 and I have a .htaccess ...
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181 views

Deploy multiple applications in Cherokee and distinguish them by port?

I am having an issue on deploying applications with Cherokee web server. The thing is I need to host various Django applications in the same machine and distinguish each one by ports (i.e. app1 in ...
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294 views

Trying to change a custom VPN port back to the original on Fortigate 40C

We recently changed our firewall and bought a Fortigate 40C device. We wanted to use our old VPN settings. The Fortigate support technician told us that this model was new and he didn't know it in ...
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54 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 ...
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3k views

How to reverse proxy specific ports to a different server behind a firewall using Apache mod_proxy

I have two Web severs, one Apache 2 and the other IIS 8, and both are on a LAN behind a firewall. I have ports 80, 443, and 8080-8088 open on the firewall. I have an externally hosted DNS A record ...
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82 views

forward a specific port from linux server (ubuntu) through firewall server (ubuntu)

I'm doing the following: % autossh -i YYY.pem XXX@SERVER -N -R 90:localhost:9000 -o ServerAliveInterval=30 to forward a server port from the local machine to the public machine. But connections ...
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38 views

Java BindExceptions in delayed stop/start conditions

I have a script that will automatically stop a server and restart it on the same port/ip address. I've noticed that some mornings the server doesn't restart successfully because it gets Java ...
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896 views

Port seems to be in use although the corresponding process has already terminated on AIX 6.1

While running some kind of automated tests on our AIX 6.1 machine we are facing the problem that a port seems to be in use although the corresponding process has already terminated. E.g. if we kill a ...
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82 views

can't connect to a server through specific port

From my server I'm trying to connect to another server I'm trying using the command via SSH telnet 64.31.62.219 60099 it is connecting without problem on my local machine and from a server I ...
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9k views

Cannot telnet to SQL Server on port 1433

I've been working solidly on this issue for the past three weeks. I cannot seem to find where the actual issue is. I just recently found this article on how to troubleshoot the connection. I made it ...
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3k views

How to open ports in Cisco ASA 5505 using ASDM?

am new to cisco and i badly need help in opening ports using ASDM. I already tried natting but it only allows 1 outside and 1 inside rule ex. Inside Static Rules 10.x.x.x outside 72.x.x.x Outside ...
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384 views

Cisco ASA 8.4 Port Forwarding Site-to-Site VPN

I have a Cisco ASA (running ASA 8.4) which has a Site to Site IPsec tunnel to three sites. These sites have overlapping address ranges, so on my ASA I have setup NAT so everything is accessible. I ...
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206 views

ejabberd changing ports?

I changed the ports in the listen section (just added a 1 in front of them) in the /etc/ejabberd/ejabberd.cfg, but after a /etc/init.d/ejabberd restart The server still listens on the original ...
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470 views

VisualSVN Port Forwarding is Not Resolving

I am using the FreeDNS Update client to dynamically update the IP address of a subdomain. I can access https://localhost:8282/svn/ on the laptop but I cannot access it from ...
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263 views

Is it fundamentally wrong to ask an FTPS client to connect on port 990/989 using explicit mode?

I have recently setup vsftpd to listen on port 990 for FTP over explicit SSL. I know from the RFCs that 990 is normally used for implicit. However, we have other FTPS servers accessed from the ...
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155 views

Trying to connect to sql server on ec2

I moved from my home office to an office in midtown. I can't figure out how to connect to my sql server hosted on Amazon. I'm using the exact same VmWare image just on a machine in the office. I can ...
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901 views

CruiseControl doesn't run as a Windows service

I am having a problem with CruiseControl on Windows. I can get CruiseControl to run on its own without problems right after installation. However, when I run the Windows service for cruise control ...
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35 views

How to prohibit connections on port 25 except from real mail servers - exim, ubuntu

I'm fairly new to email servers, and my VPS has being blacklisted (for the second time) IP Address 45.56.85.76 is listed in the CBL. It appears to be infected with a spam sending trojan, proxy ...
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10 views

SharePoint link to Cognos TM1 Server causes 403

We have a strange issue where a direct link from SharePoint to a Cognos TM1 URL causes a 403, however if we refresh or paste-in the link directly it works. The cause might be related to the leading ...
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4 views

Ganglia server in Google Cloud

Fairly new to the google platform. I needed to open up port 8649 for a ganglia server environment. When I modified the default network and added the port it shows that tcp:8649 is opened. I'm able to ...
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28 views

PCI says port 36141:TCP is blocked. But 36141:TCP open on iptables

PCI compliant scan fails due to port 36141:TCP is being blocked on website. I verified I cannot connection via 36141 on same server to itself: # nc -zv 127.0.0.1 36141 nc: connect to 127.0.0.1 port ...
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Port not opening even after adding security group rules on Amazon EC2 instance

I have an Amazon EC2 Linux instance. I recently installed SmartFoxServer in my instance. For that I needed to open 9933 port. So I just created inbound rules on Amazon EC2 Manager console website. My ...
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20 views

IIS 7 Reverse Proxy based on subdomain and port

Using a single Windows server with IIS7 I would like to reverse proxy three sites rewrite: http:// site1.mydomain.com --> http:// internal:111 http:// site2.mydomain.com --> http:// internal:222 ...
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35 views

Forward ports Fotigate, multiple ports

I need a you guys help. I can not solve , I need ideas . I am implementing a FortiGate 140, my difficulty being to perform port forwarding , I need make redirecting a ip in the case . example : ...
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82 views

Nginx secure port 443 is not opened/ connection refuse

I have installed nginx on my ubuntu VM. There I want Nginx to listen 443 port. My configurations are as follows. server { listen 443; server_name wso2test.com; ssl on; ...
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36 views

Many webapps, one vps

Might be a noob question, Google and SF searches didn't turn up anything super useful. Could be using the wrong words here. I've got a vps, with one port 80 app running on it. I'd like to add two ...
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138 views

OpenVPN Port forwarding on a OpenVZ VPS

I've been trying for the past 3 hours to forward the 443 port from my client to the 20443 port on my server (CentOS 7 on OpenVZ), so i can access it on myserverip:20443. I have OpenVPN Access ...
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38 views

Network access sometimes lost, disabling port security temporary solves?

I have network based primarily on Edge-Core managed switched. Port security with max mac count = 1 is enabled, DHCP snoopping enabled. Some clients have troubles with accesing network, but when I ...
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43 views

RPC Ports getting reset to 5000-5002 on reboot

I've run into a very common issue with RPC Endpoint Mapper ports not being available. The default RPC ports are 5000-5002. When I edit the registry and set the ports to a wider range (say, xx100 - ...
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74 views

Dell 5548P, MIB value for port security violation notification

Anyone have idea on MIB values(OID value) for Port security violation notification with dell 5548P switches.On Cisco its [1.3.6.1.4.1.9.9.315.0], not sure whether i can use the same for montioring ...
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50 views

Filtered port 22 with no firewall settings

I'm trying to connect to an sftp server from a CentOS 5.5 server. The connection is never established. When I run the command: nmap -p 22 -P0 <sftp server address> PORT STATE SERVICE ...
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194 views

Server 2012 R2 Telnet

Let me first get the infrastructure out of the way. We have one 2012 R2 Server acting as the Hyper V host for 2 servers. The two virtual machines is one 2012 R2 Server and one 2003 SBS server that we ...
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1k views

Windows TCP Port 139 Netbios-ssn vulnerability

I ran netstat -b on my computer. Two results showed that I do not understand, VAIO being another PC on the LAN. [firefox.exe] TCP 192.168.100.106:49186 VAIO:netbios-ssn TIME_WAIT TCP ...
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128 views

Monitor traffic on ports with Cacti

This seems like a basic question, but i haven't found any solution yet. Recently I've installed Cacti for interface traffic monitoring. That works fine, but I would like to see these graphs for used ...
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30 views

Can Azure load balancing, balance to several ports on one (or more) VMs

I have a single threaded application (on an Azure VM), which I want to run one instance per cpu core. I will need to use one port per instance. (e.g., ports: 81,82,83, and 84) Is it possible to load ...
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72 views

Network Issues Connection to SQL database on MS server

Prior to asking this question, I followed this thread: Cannot telnet to SQL Server on port 1433 I am attempting to connect to a database on a server distinct from the computer upon which I am ...
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126 views

Port 80 Occupied

When trying to run Apache from the Windows Command Line, it gives the error (OS 10048)Only one usage of each socket address (protocol/network address/port) is normally permitted. : make_sock: could ...
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218 views

One public IP and two web servers

We have our IBM server (internal ip: 192.168.1.128) connected to internet via router (192.168.1.1). I have forwarded the following port: Port 80: internal IP 192.168.1.128 for incoming HTTP ...
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how to identify and eliminate previously assigned port

We are running Sharepoint WSS3.0 2007 standard. We used to allow a sister division to utilize this product. I have moved them to a Google site. Now, I believe I want to make certain that the port is ...
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175 views

Iperf UDP listening on used port

I get WARNING[9157] chan_sip.c: Retransmission timeout reached on transmission error on asterisk and trying to troubleshoot the problem. Now asterisk is listening on 5060 port: udp 0 0 ...
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1k views

ssh_exchange_identification: read: Connection refused

Everytime I'm trying to SSH into my Amazon EC2 Server i get an Error below: Zoc6 Error: ssh_exchange_identification: read: Connection refused Tried: Terminal (mac) - Failed Reinstall Zoc and ...
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100 views

Jetty and IIS on same server, different IPs

I have Windows Server 2012 R2, fresh install and I am running there IIS for .NET applications, now for many different reasons I want to run Jetty on a same server. IIS is setup to listen only on (for ...
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138 views

Can't connect to Rails app after restarting Thin server

I have a rails app which works fine on localhost and used to work fine on my vps but after restarting the Thin server I got the same message on all browsers that they couldn't connect to the server. ...
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127 views

Occasional firewall spikes on ports in 40000 - 60000 range over VPN

I am hoping someone will recognise the description below and be able to tell me what they think might be going on.. I look after an office network, which has VPN access to a different network ...
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165 views

nginx loadbalancer is redirecting to the wrong port

I am trying to get the nxinx load balancer to work. I have the following configuration: upstream backend { server app-1.example.com:8001 max_fails=3 fail_timeout=60s; server ...
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93 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 ...
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189 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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132 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 ...
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341 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 ...
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505 views

Access Denied for Specific FTP Client

I have a couple FTP servers setup which I am unable to access using a particular client machine. The client is a Windows 2012 server in my company's network over which I do not have admin rights. ...