Questions tagged [port]

A port provides a location for an application to interface with the network. If there is no application that is listening at a particular point, data sent there will never be used.

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Are there any security problems within my CentOS system? [closed]

I have tried to use Nmap to test the ports of my server:) The details are as follows. Are there some vulnerable ports on my server? If yes, why is it vulnerable, and what should I do in order to ...
hugemeow's user avatar
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13 votes
4 answers
28k views

Open port 5672/tcp for access to RabbitMQ on Mac

I have RabbitMQ in its latest version installed on my Mac with default configuration and when I'm accessing it from localhost there's no issue what so ever. But today I build a linux machine on local ...
Kreeki's user avatar
  • 243
2 votes
2 answers
4k views

SATA drive disappears every hour, back on hard reboot

I consistently lose one of my two SATA drives (one SSD, one HD) after (almost?) exactly one hour. Doesn't matter if the computer is at idle or the disk is being written to frequently. The machine is ...
Andrew Lazarus's user avatar
3 votes
2 answers
4k views

How to block a port for specific time?

I want to block a port for a specific time duration, say 1 am to 3 am. I can add a rule to built in firewall but this blocks the port all the time. Is there any way to do this for only a specif ...
Serious's user avatar
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1 answer
569 views

Emulate Port Blocking on Airport Extreme

I'm trying to restrict all the computers on a network to only be able to use OpenDNS so I can manage what sites they are allowed to access. I can't really do this by locking users out of the network ...
Rich's user avatar
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2 votes
1 answer
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How can I start a WAMP and MySQL on the same computer? [closed]

I am creating a web page for my WoW server. If I start a WAMP and then open the web page, there is an error shown in the upper left corner: Error: Unable to connect to MySQL server. MySQL reported: ...
Daniel's user avatar
  • 21
3 votes
4 answers
19k views

iptables firewall only allows internet traffic if source port of 80 is allowed

I am configuring an iptables firewall, currently just to allow http and https traffic. It is working but under a particularly strange rule - I must allow incoming connections with a source port of 80....
Rob's user avatar
  • 31
5 votes
2 answers
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Localhost not recognized in windows 7 machine

I have IIS installed on my windows 7 machine. But when I try to browse the localhost I am getting 404. I tried to put netstat and I see Proto Local Address Foreign Address State ...
Tippu's user avatar
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-2 votes
1 answer
1k views

How to open a port via password in linux server?

I have a Linux server and I want to connect to it with a remote computer, how can I put a password for more security please? I use netcat to connect to my server ! thanks a lot ...
Freeman's user avatar
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0 votes
1 answer
3k views

TCP connection to my host's public IP address using Linux netcat

I need to make a TCP connection to my machine through an application that needs only the public IP address and port to connect. I have been able to do it in Windows, but I need to do it in Linux also....
ar ar ar's user avatar
1 vote
2 answers
624 views

LAN IP being appended with port from router's port forwarding after Wordpress install

I've never run across this before... I've been messing with different apache servers at home while at work. Before I got the proxypass working, I needed to be able to hit server number two from ...
JoshP's user avatar
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0 votes
4 answers
6k views

Localhost is forbidden when using LAN IP address instead of 'localhost'

I'm trying to access my localhost from my Android tablet, but I'm having problems. I'm using WAMP server and configured the httpd.config file, and port forwarded 80, but I still can't access localhost ...
Taimur's user avatar
  • 151
2 votes
0 answers
382 views

Enabling MS Security Essentials blocks port web server

I notice when I enable "real-time production" in MS Security Essentials that my web-service (on port 80) is blocked from outside my machine. I can still access it locally, even with my network IP. ...
aaaidan's user avatar
  • 139
21 votes
1 answer
34k views

Why is "nc -l xxxx" not opening a port?

I'm trying to get netcat to listen on port 4444, but it doesn't seem to be working. I am checking to see if the port is open using nmap, but it doesn't pick it up and I can't figure out why. I have ...
Grezzo's user avatar
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2 votes
2 answers
959 views

Program to record data transmission between two computers using a TCP port

I am looking for a way to view data being transmitted over a TCP port between two computers. Is there a software package that allows this? I suppose I could script something to re-route data coming ...
Richard's user avatar
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1 vote
3 answers
4k views

Apache access outside local network

I have an Apache Web Server on my computer (192.168.0.115) inside a local network. I have set port forwarding on router DIR-300 to redirect traffic on ports 80 and 443 to 192.168.0.115. People outside ...
Fka's user avatar
  • 111
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1 answer
523 views

Port 1111 revealed to be listening on actiontec dsl modem

So my question is much like this one, Port scan revealed port 1111 open. What is it?, but I wasn't able to investigate with the same techniques suggested here, because the device runs busybox. for ...
beauk's user avatar
  • 3
9 votes
3 answers
110k views

How to know which port is busy or free on Windows 7? [duplicate]

Possible Duplicate: How can I see all active connections? I have some conflict of ports and my WampServer didn't work, so I have to know which port is used. Is there a command line command ? or ...
Hamed's user avatar
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26 votes
7 answers
117k views

How to kill a process by port on MacOS, a la fuser -k 9000/tcp

On linux I can kill a process knowing only the port it is listening on using fuser -k 9000/tcp, how do I so the same on MacOS?
Kris's user avatar
  • 595
9 votes
6 answers
18k views

Why is port 1111 open, and is it safe to be?

I'm new to systems administration and have a server running a website with HTTP (at port 80), HTTPS (at port 443) and SSH (at port 22). I'm running Ubuntu 11.04. I did an Nmap port scan using my ...
nknj's user avatar
  • 193
2 votes
2 answers
7k views

Do hotels block certain ports? [closed]

I'm on vacation this week and I'm trying to access my home DVR camera system (Bunker Hill DVR) from the hotels I've been staying at. Unfortunately, I have not been able to access them successfully. I ...
C-dizzle's user avatar
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3 votes
2 answers
5k views

Port Scan: What is "netvenuechat"?

I was doing a quick port scan at work (Nmap 6, OS X 10.6.8), and I noticed that nearly all of the computers around me were running a service called "netvenuechat" on Port 1023. Although I've searched ...
a10y's user avatar
  • 133
3 votes
1 answer
838 views

Can a router create its own port forwarding rules?

Bit of an interesting situation here. Several of us work in a small office, of which only a few people have access to the router. While setting up a Minecraft server the other day, my friend noticed ...
Chris's user avatar
  • 143
1 vote
1 answer
3k views

Opening firewall to incoming port 443

I recently set up the ufw firewall on a Linux machine so that outgoing connections are allowed, incoming connections are denied, and denied connections are logged. This seems to work fine for most ...
jrdioko's user avatar
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0 votes
0 answers
321 views

Opening a specific port on Mac

I need to open a specific port on my mac client (because when I try to connect from server it says "target machine actively refused it ").My problem though is I cannot find a way to add a specific ...
Manish's user avatar
  • 239
1 vote
0 answers
506 views

Is it possible to bind multiple, simulated devices to SNMP port 161?

I am attempting to simulate multiple SNMP agents on my computer. I am using this software to try and accomplish this. From the program's description: Verax SNMP agent simulator is a tool that can ...
Sean Anderson's user avatar
1 vote
2 answers
322 views

How to 'safely' download mail from hotel / airport free wifi? [closed]

I've a mail client setted with IMAP that try to download using 993 or 143 port. In a lot of hotel i can't download my mail . My question is: generally, do free wifi allow using 993 or 143 port ? How ...
stighy's user avatar
  • 1,423
2 votes
1 answer
4k views

Using tor behind a proxy when just port 80 is open

I'm wondering if anybody could help me to connect to tor behind a proxy when just port 80 is open. thanks
Mehdi Eshaghi's user avatar
1 vote
0 answers
12k views

Simple way to open Port for Transmission for a Mac Snow Leopard

I am a complete noob when it comes to TCP/IP, but would like to open up my port for the Transmission bit torrent client on Snow Leopard Mac. Also, I am based in the UK if that has any relevance.
Eric Brotto's user avatar
2 votes
0 answers
2k views

Why do I see router and not my real IIS? [duplicate]

I am trying to access IIS through web but unable to do so. Basically I have a router (which functions as router and modem) that is given by ISP and I have another router connected to the router given ...
Tim Tom's user avatar
  • 121
-1 votes
5 answers
7k views

Why do I see router and not my real IIS?

I am trying to access IIS through web but unable to do so. Basically I have a router (which functions as router and modem) that is given by ISP and I have another router connected to the router given ...
Tim Tom's user avatar
  • 121
6 votes
4 answers
24k views

Windows 7 is blocking ports

I am trying to open port 80 and 3690 for HTTP and svnserve respectively (inbound for both). I have Windows Firewall off, and have tried temporarily disabling Mcafee VirusScan Enterprise, to no avail. ...
Caleb Stewart's user avatar
2 votes
1 answer
1k views

Disconnect a Program from its Socket or Port in Windows 7

I am working on a hack for internal purposes whereby I want to disconnect a program from it's socket without killing the process. For example, program A (running xxx.exe) is running on port 50000 and ...
nicorellius's user avatar
  • 6,715
2 votes
1 answer
5k views

Port forwarding with IPTABLES and VBox

I have a small problem with getting a proper configuration of iptables under Ubuntu. But before, let me describe the network configuration: I am using xDSL line terminated with modem+router+DHCP ...
user137708's user avatar
1 vote
1 answer
64 views

Make a program use other ports

My school network is behind a very strict firewall, and I can't connect my e-mail and other programs. Are there any ways to avoid this problem?
Axel's user avatar
  • 11
1 vote
1 answer
3k views

JBoss/Torquebox - How to set to listen to port 80

I am now trying to deploy my Rails application to Torquebox 2.0.3 on Ubuntu Server 11.04. Now it's correctly deployed , I could visit the application on port 8080. but I could not configure the server ...
larryzhao's user avatar
  • 125
0 votes
1 answer
7k views

Forwarding <my ip>:<port> to localhost:80/dir/ (apache)

Hello again StackExchange! First post on Superuser. I've installed apache and PHP on my computer and it works just fine when i enter "localhost" on my computer. But what i want, is when someone types ...
Thew's user avatar
  • 113
0 votes
1 answer
7k views

Port COM Setting & Configuration

I have a Lenovo Thinkpad T61 laptop. I had to wipe my hard drive clean and re-loaded window xp. Under "My device manager" I can see Ports (COM & LPT), under this the printer LPT3 port is fine, ...
Redeave's user avatar
0 votes
1 answer
114 views

FlashFXP asking to connect to unknown remote address

I installed Agnitum Outpost firewall which tells me about every connection happening on every port. When I try to connect to my FTP server on port 21 (hosted on mediatemple.com), I get an outgoing ...
user64908's user avatar
  • 290
2 votes
1 answer
3k views

TCP port prioritizing on switch/router (QoS)

I have some HP ProCurve series Switch. There is a QoS option for prioritize traffic by TCP/UDP port. I set two ports: one with highest priority and another with lowest. Then I performed tests to ...
anth's user avatar
  • 123
1 vote
1 answer
2k views

Duplicate/Reroute port to another port

I'm running a Windows Server 2008 R2 machine and was curious on if there is any software out there that would allow me to open port 3307 and route any data sent to it to port 3306. For example, if I'm ...
Josh Ferrara's user avatar
2 votes
4 answers
4k views

Does port forwarding a port on one computer expose other computers in the network as well?

I have read that port forwarding exposes your computer to security breaches. Does port forwarding a port on one computer expose other computers in the network as well?
Bentley4's user avatar
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0 votes
1 answer
692 views

Port 8731 works internally, not externally. Win 7 + XAMPP

I have a web service which needs to run on port 8731. I'm running Windows 7 x64 with XAMPP. For privacy sake, let's assume my public facing IP, seen on whatismyip.com, is 123.456.78.90: http://192....
AlienWebguy's user avatar
0 votes
2 answers
2k views

Nmap -oG output

I've read about the -oG and tried it out, but it seems to not to working for me... SO basically I'm trying to scan for a port range, lets say for example 2.8.0.0 – 2.15.255.255 and for a list of for ...
user avatar
4 votes
2 answers
22k views

OSX Lion, open a local port so people on my network can access it

I'm running django's simple HTTP server (using python manage.py runserver). It's currently running on port 8000. How can I open a port on my macbook and allow network traffic to visit my host on ...
nopcorn's user avatar
  • 16.7k
11 votes
4 answers
41k views

What is binding this port?

Something is serving content on my port 80, but I don't know what process is doing this. Is there any way to find out what process is bound to which port(s)? Update: This is the output of netstat... ...
wen's user avatar
  • 417
1 vote
1 answer
9k views

How to open a port for all users: NSA 2400

I'm trying to open up port 8332 for all users behind my firewall but can only find instructions for doing so for a single IP address. How do I make sure all my users can use a specific port? I've ...
SouthFresh's user avatar
0 votes
1 answer
62 views

Mac OS X report via e-mail when a connection is done to specific ports (open in Firewall)

I have ports open on a Mac for specific services. Is there a way to have the OS report through e-mail (Smtp) once a connection is established to one of the ports of interest?
orlando lopez's user avatar
6 votes
2 answers
20k views

Trying to run Apache, but VMWare Workstation is blocking port 80

When I run Apache server it shows port 80 is busy because WMware Workstation is blocking it. How can I run Apache?
shiva's user avatar
  • 169
1 vote
1 answer
321 views

Rerouting Ports for a Gameserver

I want to redirect a port, so say all traffic coming in on subdomain.xyz.com:2233 is rerouted to an ip 10.13.15.34:3344 (for example) I have access to an ubuntu box if needed, and access to xyz.com's ...
Adam Dodman's user avatar

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