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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1answer
34 views

How to close port 8080 from all except ip 127.0.0.1

I am on Centos 6 with Nginx on port 80 and Apache2 behind him on port 8080. I've written an anti DDOS script which works fine when ip access port 80, but if attacker directly spams port 8080 ...
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votes
1answer
60 views

Opening port 587 on Debian running on Google Compute Engine

I'm attempting to use port 587 for my server mailing purposes. However, I can't seem to be able to unblock the port even after trying the following : Adding port 587 to the Google Cloud network ...
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0answers
13 views

FTP not accessible outside of LAN [closed]

Ok so I really need some help with this, I have XAMPP installed and am hosting a webiste with it for my friends and i to work on. I am able to see the site just fine and also i am able to get to ...
0
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2answers
33 views

CentOS - Allow FTP access through IPtables

Sorry guys for the stupid question, but I can't open my FTP (ProFTPd) from browser on CentOS 6.5. When I stop IPtables I don't have problem, but when is running I have. Port 21 is open, port 20 is ...
0
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0answers
10 views

CSF not blocking ports [closed]

Yesterday I've installed CSF on my VPS. I blocked many ports on my machine (allowing only these included in /etc/csf/csf.conf However, my services like teamspeak or mumble server are still able to be ...
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1answer
18 views

how to help 2 devices share local ports behind firewall through a ssh server with ssh reverse tunnel port forwarding [duplicate]

A diagram of the project: It is working under Putty with its GUI configuration, but it is not working if using command line through Putty. how to replicate the GUI settings in putty with command ...
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0answers
18 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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1answer
32 views

Ports needed for the vSphere 5.5 client to connect to the vCenter

We are currently setting up a new vmware environement based on ESXi 5.5, with the virtual appliance and vSphere client. After a lot of research (maybe I didn't searched well), I couldn't manage to ...
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0answers
9 views

Port forwarding does not work [migrated]

I am connecting to office network through VPN. I have two servers A and B. I have ssh/tomcat access to A through VPN but not to B. When I ssh into A, from there I can ssh into B. Also, B is running ...
0
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0answers
60 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 ...
1
vote
1answer
191 views

Trouble changing SSH port

I'm running a CENTOS web server with WHM and CSF firewall. I'm trying to change SSH from the default port. I've opened up the port in CSF and modified /etc/ssh/sshd_config uncommenting the port line ...
0
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1answer
31 views

UFW — How To Open Port 8080

I thought I had allowed connections to http-alt (8080) using ufw. My reasoning for thinking this is because: gerrit2@localhost:~$ sudo ufw status Status: active To Action ...
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votes
1answer
15 views

Changing Samba port doesn't work

I want to change the Samba default ports for testing. I tried adding "samba ports = 1445" to the samba config, but now I can't connect to it at all! I also tried adding -p 1445 to the samba start ...
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votes
1answer
61 views

Failed to bind to: /0.0.0.0:443 [closed]

I am having problems starting my play framework server on port 443,i am using scala play 2.20 and my play server running fine on port 9443 by following command ./start -Dhttps.port=9443 ...
13
votes
2answers
600 views

How should I select the port number for a new tool?

I'm creating an internal collaboration tool that will use a central server (on an intranet) and one or more ports for socket communication to clients. I know that many ports are reserved for ...
0
votes
1answer
32 views

proxypass /jenkins to port 8080?

Hi I have a VPS running cpanel and it is also running Jenkins on port 8080 I have used proxypass in the Apache config to redirect jenkins.rystuff.net to port 8080 but was wondering if there is a way ...
1
vote
1answer
29 views

redirect to specific port without apache

I'm running a few small web applications listening on different ports... 8787, 8888, & 8000. None of them are apache though. Is there any way via either DNS or iptables, or some other way, that I ...
0
votes
1answer
45 views

Failed PCI DSS Compliance

I got this from my compliance check results. To me it looks like my router is responding to their test but I'm not sure where to go . ( might be off track completely though) Description: PCI DSS ...
0
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3answers
85 views

IPTABLES won't keep changes on restart [duplicate]

I have a hostgator VPS that has a CENT OS. When I stop the VPS and start it again, the changes I've made to the IPTABLES won't save I've tried to save the IPTABLES and to no avail. Every time I ...
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votes
3answers
101 views

Port 8080 on CentOS 6 didn't open to outside [closed]

I've running a webserver with Bottle in Python. The server is running on port 8080. But from outside it doesn't work en he can't connect... This is the output of: semanage port -l|grep http ...
0
votes
1answer
35 views

Ubuntu IPv6 port redirect using ufw

I'm trying to configure port redirection from port 80 to 8080 on server with both IPv4 and IPv6 support. The OS is Ubuntu 14.04 with the 3.2* series kernel. It is a production server, so I don't want ...
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0answers
24 views

After recover sshd_config on my VPS my TeamSpeak 3 client can't connect with server [migrated]

I'm destroy my default sshd_config file in /etc/ssh/ on my VPS and I'm recover this to default one. After this I'm trying to connect with my TS3 server on this same VPS. OS says me TS is ON and ...
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0answers
67 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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3answers
64 views

CentOS/Linux Block External Port

Suppose I have an internal service running on port 7676, how would I (On CentOS) block port 7676 from external sources, so that it can only be accessed locally - AKA 127.0.0.1, not using, for example, ...
2
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2answers
265 views

Nginx 502 Bad Gateway - 111: Connection refused, port not being listened to

I'm aware there are many other similar questions but the solutions from those questions I feel I've already got in place. I've got 3 sites running locally on a VirtualBox Ubuntu 12.04.4 LTS Server, ...
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votes
3answers
34 views

How do I get iptables to allow a new port (for a webserver sockets handler)

In the local development server, I don't have any iptables rules (running on a Mac). The production server however, runs CentOS 6 with certain rules. I need to add a rule that allows the client to ...
0
votes
1answer
25 views

Error changing mysql 5.6 default port

I've changed my.ini with port=3308 but after restart the service mysql 5.6 is working in the same default port 3306. I've tried in mysql 5.5 and it worked fine. C:\Archivos de programa\MySQL\MySQL ...
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0answers
14 views

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 ...
3
votes
2answers
128 views

After kill -9 process won't disappear and port is still bound

We have a Java server application running on Mac OS X. Occasionally this application has become unresponsive, and we have resorted to killing it with kill -9. However, the process doesn't disappear; ...
5
votes
1answer
187 views

SSH & SFTP: Should I assign one port to each user to facilitate bandwidth monitoring?

There is no easy way to track real-time per-user bandwidth usage for SSH and SFTP. I think assigning one port to each user may help, but I am wondering if my approach is workable. Use case Bob, ...
0
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0answers
66 views

Trouble with port 80 nating (XenServer to WebServer VM)

I have a rent server running XenServer 6.2 I only have 1 public IP so i did some NAT to redirect ports 22 and 80 to my WebServer VM. I have a problem with the port 80 redirection. When i use this ...
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2answers
139 views

How to run node.js app on port 80? Are processes blocking my port?

I believe the port 80 on my remote instance is blocked, and I am trying to run a node.js app using port 80. I have experimented with ports 3000 and 3002, and both ports are working fine, but I get an ...
2
votes
1answer
39 views

How to see log of apps taking specific port over period of time on Windows?

How can I see for specific time period, which app had bound some specific port in Windows? I am auto-starting my app with windows and I am bounding port 1200 as UDP packet receiver, but sometimes my ...
0
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2answers
83 views

Is there a top like tool that shows processes and ports, live?

I'd like to be monitoring ports in "realtime" and the processes that use them. Is there any tool that can handle that? I imagine somethinkg like top, but with a column that lists all ports the process ...
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0answers
82 views

mosh-like port forwarding

This is on linux, connecting to linux servers: I love mosh, but it doesn't support port forwarding, and likely won't for a while since it's been almost a year now and it hasn't happened yet. port ...
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2answers
55 views

DNS Server; Different Ports to different IP's [closed]

I have 2 servers with (of course :D) 2 IP's, for example: 123.456.789.101 & 101.987.654.321 Now I have a domain example.tld and want all requests go to 123.456.789.101, except the ones which hit ...
1
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3answers
40 views

Setting subdomains to multiple computers for Remote Desktop/VNC [closed]

I have some computers set up at home and would like to be able to access them from anywhere. I have achieved this by forwarding ports accordingly: public | computer | private | Details 5001 | ...
0
votes
1answer
59 views

ssh_exchange_identification Can't Access to SSH Amazon EC2 (Lock Out)

I get an error in terminal when I'm trying to access my instance in Amazon EC2. I use Centos 6.x server WHM/cPanel, i have access to WHM, but i DON'T have a complete access to FTP or SSH. ssh: ...
0
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0answers
51 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 ...
0
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0answers
138 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 ...
0
votes
0answers
26 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 ...
1
vote
2answers
106 views

Can I find the list of ports being listened by a process ordered by the time of opening?

I know I can see the list of open ports using the lsof command. I am trying to view the results ordered by timestamp of listening. The process opens multiple (~6) ports and I suspect the order of ...
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votes
1answer
32 views

how to 2 ip virtual in public dan private with forward to different destination

Here my case, Server 1 public IP in 1 box (eth0) -> 203.x.x.55/28 and 57/28 gw 203.x.x.49 private IP (eth1) -> 10.10.8.1 Server 2 private IP in 1 box (eth0) -> 10.10.8.5/24 and 7/24 gw 10.10.8.1 ...
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0answers
74 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 ...
0
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2answers
75 views

Hardware firewall for Linux web (and mail) server allows UDP connections to any local port from remote ports 53 and 123 — is this safe?

I'm trying to tighten security on a linux web server. It has a hardware firewall with a default rule set and I noticed two rules that concern me: remote port: 123; local port: ANY; protocol: UDP; ...
1
vote
1answer
154 views

IIS 8.0 Second Website on port 81 not visible publicly

I have been given a VM in Windows Azure with Windows Server 2008 R2/ IIS 8.0 running. It has a default website. Now I wanted to create a dev version of that site at some other port, say 81. I added ...
0
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1answer
61 views

Can't connect to remote server. Socket error = #2000

I don't know what went wrong, but I get a Timeout after logging in to the proftpd server. STATUS:> [12.05.2014 16:30:24] Getting listing ""... STATUS:> [12.05.2014 16:30:24] Resolving ...
0
votes
1answer
21 views

What is the best way to create remote tunnel?

I have 3 Linux servers: - 10.0.0.0/24 - (10.0.0.10) Linux server inside my LAN. - 20.0.0.0/24 - (20.0.0.10) Linux server with HTTP Apache server - 50.50.50.50/32 - Server on Amazon AWS which see both ...
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1answer
115 views

Why Are There Only 65,535 Ports, and Will We Ever Have More? [closed]

I understand the original reasoning behind having 65,535 ports per IP address: this is the highest number that can be represented by a 16-bit, or 2-byte, number, and it wasn't conceivable that ...
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1answer
104 views

port 25 is reported to be open but no service is listening

OS is Ubuntu 12.04 LTS (server; without GUI). The machine is a virtual server running hundreds of miles away in a remote server farm. I uninstalled postfix and all of it's components (courier, ...