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2answers
68 views

How do I tell which application is using which port?

I have been looking at netstat output on a MacBook. I noticed that some applications enable you to specify which port it uses. For example, utorrent allows you to do that. I chose a port 55743 then ...
1
vote
1answer
19 views

How to customize flash player ports

Is there a way to change flash player ports? I've already searched but without success, all the tutorials usually refer to flash player server.
1
vote
1answer
77 views

OSX Mavericks: How can I make a webserver launch at boot and listen to port 80 without running the webserver as root?

According to Apple's launchd documentation: [launchd] Eliminates the primary reason for running daemons as root. Because launchd runs as root, it can create low-numbered TCP/IP listen sockets ...
0
votes
2answers
39 views

Unblock Utorrents ports

Recently our company has blocked all incoming ports by default. Since then I am unable to download from torrent sites. Our network engineers allowed to open the ports for me in which uTorrent is using ...
1
vote
0answers
50 views

How to block an incoming port to a router?

Recently there have been a lot of people cheating on Xbox Live using a modded Xbox and a networking service called Xbox Live Stealth which allows them to bypass the Microsoft servers so their Xbox's ...
0
votes
0answers
30 views

How to configure Jenkins to run on port 80

How can I configure Jenkins to run on the HTTP port 80, only accessible to a certain Apache virtual server only on a specific subdomain? I have one virtual server: business.com running on the server. ...
1
vote
1answer
299 views

What's up with port 8080 on my OSX box?

I thought a web server process I brought up was listening on localhost:8080, and tried to connect to it, but kept getting connection reset errors. As it turns out, I was mistaken and my process was ...
0
votes
1answer
577 views

Why can't Viber connect but Skype can?

I heard that Viber is a great alternative to Skype so I'm trying it out. I discover that it connects just fine on 3G but never on Wifi. On my wifi-only tablet it won't ever connect, nor on my desktop ...
0
votes
0answers
267 views

Bypass blocked ports w/ proxycap or Hamachi on 80\\433

Hey guys I am behind the worst school network on the world, set up by the worst IT people on the world. The administrator already excused for all that what's going on, but he told me, he can't change ...
0
votes
0answers
72 views

Configure wireless router to only allow web access

I have a (very common inexpensive) wireless Cisco router at the office where I work. The manager wanted to know if there's a way to configure the router to allow only web access. How would I go about ...
0
votes
2answers
258 views

How to forward external port to internal port using plink

For a penetration test where I have shell access to a computer running an old Windows, I'd like to forward port 4450 to 127.0.0.1:445 because the firewall is blocking 445 externally. I'm stuck on ...
0
votes
2answers
99 views

SSH port on Virtual Machine is closed

I want to connect to my Arch linux virtual machine from my debian(host) by ssh, but connection is refused, I scanned 22 port on Virtual Machine and its closed, How can I open this port to enable ssh ...
0
votes
0answers
147 views

Ports 3128 and 8080 exposed for 19 out of 20 devices on home LAN?

I don't think it's a bug in SoftPerfect's Network Scanner because I can get the same results using two other port scanners. Oddly, "Giga" is the only device that does not show as exposing 8080, yet ...
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vote
2answers
287 views

Why can't nc / netcat sniff http port traffic easily?

I'm NOT looking for advice such as "try wireshark." I'm trying to understand what netcat is and isn't. When I try to listen (-l) to port 80, it says "address already in use." Can netcat not listen to ...
2
votes
0answers
91 views

Limit user bound ports to arbitrary ranges

Is it possible to allow user to bind only certain ports? For example, I was trying to achieve this: user1: can bind only on ports 4001 and 4002 user2: can bind only on ports 5001 and 5002 and so ...
0
votes
0answers
146 views

create print server port via command line error Win 8

I need to create a Print Server Port via commandline in Windows 8 Per Google search I should be using prnport.vbs script to do so: cscript ...
1
vote
1answer
425 views

FreeBSD portsnap fetch fails

This seems like a really straightforward problem, but I haven't had much luck looking around the internet so far. (A couple message boards are talking about it, but they don't offer any solutions.) ...
0
votes
3answers
359 views

Unknown port : Asterix port 8600?

Running nmap on my linux box, I find the following open port : 8600/tcp open asterix After searching online, I found almost no information about this service except a short description: Port ...
0
votes
1answer
871 views

Can't connect to VMWare Player from host machine

Running VMware player with Cent OS. Running a server in the virtual os and trying to connect to it from the host pc to no avail. I have tried bridged, NAT, and host-only type network connections. I am ...
0
votes
1answer
78 views

Port open, but not forwarding

I have a Buffalo WZR-1800h, and I opened port 25565 on it and forwarded it to an active server which I can connect locally to. We just got a new router and the server ran flawlessly on the other ...
2
votes
1answer
85 views

SSH Port closed although forwarded correctly

I'm having an issue with opening my SSH port. Here are the symptoms. Within the local network I can ssh to the machine, including both locally (ssh localhost) and from alternate computers. I have ...
3
votes
1answer
336 views

How can I check what outbound ports are allowed in a network?

On some networks (primarily corporate ones), the firewall restricts outbound connections to some port number. The allowed ports generally comprise of port 80, 11, 443, etc. Is there a way I could do ...
1
vote
1answer
221 views

I want to send email from my Debian server but My ISP block port 25

I have put private server on Debian, I would like to be able to send mail but port 25 is blocked by my ISP. I checked it by opening a telnet connection to another mail server. The good news is that I ...
2
votes
0answers
300 views

Port 53 on a Windows 7 machine is inaccessible from LAN

Installed a nice dns filter (Acrylic) on my server running Win7. Wanted all machines on the LAN to use it for name resolution. On the server NETSTAT shows Acrylic is listening on DNS port: UDP ...
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votes
2answers
14k views

Get a list of Open Ports in Linux

Hi guys I need a linux Command To List All free open Ports for use in an appliaction lsof -i TCP|fgrep LISTEN Does not seen to be helping as the Ports it lists are not neccesarily free for use. ...
17
votes
4answers
2k views

Is there any difference between front and back USB ports?

I bought a flash recently, In the warranty card there was a caution saying "Always use USB ports on the back of the case" . Is there any difference between front and back ports? They are all connected ...
1
vote
1answer
86 views

Cannot SSH into ANY host (outgoing) on entire local network

I'm having a rather strange issue with my network here, and I'm hoping you guys might be able to help me out. As of recently, over the past few weeks or so, I've been noticing some strange problems ...
3
votes
1answer
72 views

How to forward urls without ports from one machine to urls with ports on another machine

I'm new to sys administration, so I play some things virtually at home. And so, I have one virtual linux with two nodejs applications running there. They listen on two different ports. Lets call the ...
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votes
4answers
2k views

Send message to specific port on Windows cmd.exe

I'm playing with a program on desktop. It's listening on port 5060. However, I don't have anything sending to this location/host. If I open my laptop's command line, is there a way to send a ...
1
vote
1answer
691 views

FreeBSD 9 ports: How to make quiet installations?

Just wondering how do I make ports installation - without config options (blue) window popup? Assuming that I accept default options of the installation. make install clean
0
votes
1answer
239 views

Use outgoing port 80 to connect to another remote port, without root privileges

If all outgoing ports are blocked except 80, is there a way to use port 80 to connect to a remote machine's port other than 80? I do not have root privileges on the system.
2
votes
3answers
3k views

NAT vs public IP (and blocked ports)

I have a problem with my ISP. They say that they don't block any ports and I have public IP, while I think these both statements are false. Before I talk to them again (which is really tough when my ...
0
votes
2answers
632 views

FTP connection between two Windows Machines

I have two Windows machines, both are running Windows 8 Release Preview. One of them is connected to a network via the ethernet cable, the other is connected to the network via wifi. IP address of ...
0
votes
1answer
98 views

Complicated use of VPS to access internal system, using SSH tunnels

I am not exactly sure what the best solution would be for this problem, but I have a VPS with 3 ips. I have a unix system behind a home router with no ports forwarded. I want to be able to access ...
2
votes
0answers
126 views

Generate random port traffic windows

Without installing any third party software is there a way to generate random traffic for a port of choice in Windows 2003? I'm testing a few Port Forwards and just need some random test data. I'd ...
2
votes
1answer
180 views

Do people use dbus, pipes or ports usually for interprocess communication? [closed]

It's hard to find dbus libraries for the programming languages I've been using though the idea looks neat. Sockets are the most supported way but it also eats one of my computers ports and then I also ...
2
votes
1answer
441 views

What does COM Stand for in terms of Serial Ports

In terms of Serial Ports what does COM actually stand for. I can't find any reference to it. (To be clear I am not talking about Component Object Model but the Hardware Interface used in Windows ...
0
votes
2answers
2k views

How can I tell what outbound ports are blocked (Windows 2003)?

I'm trying to troubleshoot a custom application that lives inside of a firewall on an enterprise network running Windows 2003 server. Our application uses PHP/cURL to send XML data to a publicly ...
0
votes
1answer
203 views

Missing hardware after reinstall

I have a Lenovo Thinkpad T61 laptop. I downloaded a security suite from my bank that caused conflicts with my previous installation of Windows XP. So, I wiped out my hard drive and re-loaded window ...
2
votes
1answer
578 views

port 3389 for RDP is listened to by vchost.exe

how do I get port 3389 for RDP to not be listened to by vchost.exe on win7-64 bit? I used a port checker and it says that that port is locked by another program. so I did "cmd\netstat -ano" and the ...
1
vote
1answer
354 views

Difference between port types

What is the difference between the three port types; Well-known, Registered and Dynamic? Namely, the difference in usage and port numbers associated with each category. Currently I understand the ...
0
votes
2answers
2k views

Which alternative port can I use for RDP?

The default port for Remote Desktop is 3389. I would like to change the port to another port in order to thwart a brute force attack that is occuring on my machine. What port number could I use? I ...
0
votes
1answer
1k views

Simple way to set up port knocking on Linux?

There are well known benefits of Port Knocking utilities when utilized in combination with firewall IP table modification. Port Knocking is best used to provide an additional layer of security over ...
0
votes
0answers
855 views

How to close all unused ports

Whenever i do nmap on my system it shows most of the ports open.How to make only default ports open.I am using Windows Vista with Service Pack 2
2
votes
1answer
4k views

How can I disable any TCP/IP port on a Windows 7 machine?

I need help on finding out how to disable any particular TCP/IP port on a Windows box whenever a need arises. I googled before posting the question and I got links to articles mentioning only ...
0
votes
0answers
181 views

No access to FTP sites

I am having a weird issue that I can only explain as a possible "port 21 hijack". For some reason, I cannot connect to any ftp sites. The original one I tried was ftp.maltedmedia.com. Filezilla ...
0
votes
2answers
310 views

Get all public files with wget

There's a host and a port(with TCP support) on which http service is running. Simple wget host:port doesn't return anything. Is it possible to get a list of all accessible files(html or txt) on ...
0
votes
2answers
1k views

Dell XPS randomly freezes – Mouse, keyboard and USB ports lose power until reboot

I have a Dell XPS 4435MT desktop. It randomly freezes – and it happens shortly after startup, mostly less than 10 minutes. When it freezes, mouse and keyboard have no power anymore. The USB ports on ...
1
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4answers
13k views

How do I limit packet capturing in Wireshark to only a specific protocol?

I would like to listen to HTTP traffic on port 8080. When I start capturing packets in Wireshark, it's flooded by packets using the SSDP protocol on port 1900. I would like to limit the packet ...
0
votes
3answers
2k views

How can I put the Windows XP firewall into an “allow all” port configuration and only block certain ports?

Without going into too much detail on why I need to do this, I'm trying to put the Windows XP Firewall into an allow all ports configuration, and only deny certain ports I have in a list. I've ...