A communication end-point for networking, for CPUs please use [processor-socket]

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TCP: Maximum number of connections (client and server)

In the description of TCP in the Wikipedia, it is stated that The number of sessions in the server side is limited only by memory and can grow as new connections arrive, but the client must ...
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2answers
4k views

How can i show only 127.0.0.1 traffic using Wireshark?

Every time I try to filter to just show a specific IP Address, I get an error indicating that it is "not an interface or a field." I have no idea what that means. Furthermore, I don’t really see ...
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2answers
228 views

How does the OS generate a random socket port?

I'm wondering how the OS makes sure that the clients don't get the same "random"(binding the socket by setting the port to 0) port as any other client in the network, since I want to communicate using ...
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2answers
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linux named sockets howto

I know that there are named sockets & named pipes (fifo) in linux. In ls -l, they would look as below:(I have changed the filenames, for demonstration.) prw-r--r-- 1 root root 0 Nov 8 16:31 ...
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1answer
467 views

How does SSH tunneling work at low level?

I am interested in the exact mechanism that occurs when an SSH tunnel is stablished. Supposing we have 3 computers: LOCAL host, INTERMEDIATE host, and REMOTE host, with this topology: Localhost --- ...
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1answer
148 views

How to fix 0x800CCC0E Error Codes?

I recently started receiving the above-mentioned error which is apparently a Winsock error message it is preventing me from checking my e-mail with Gmail, although there is no problem with my e-mail ...
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2answers
420 views

Meaning of “netcat can be used as a backdoor” [closed]

I recently read about netcat and it is often mentioned that it could be used as a "backdoor". What exactly is meant by backdoor? Could some one give an example of such usage of netcat.
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2answers
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Can I monitor a local unix domain socket like tcpdump?

I'd like to monitor responses on a unix socket without disturbing the original connections and pipe them to a script for processing. I know how to do this with tcpdump for tcp connections but I ...
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1answer
254 views

Restricted ports to non-admins on Windows 7

I work in a restrictive desktop/network environment and I am not an admin on my laptop. The ports available to me are limited. E.g. when I tried running Tomcat, the system refused to open a socket ...
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1answer
245 views

Where to put unix sockets

I am new to this, so sorry if its obvious. I am running a debian server and installing the likes of UWSGI, NGinx etc on there. The configurations keep talking about pointing to "sockets". In the ...
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1answer
414 views

Bridging two sockets

I wondered if it is possible to bridge two incoming tcp sockets. For example: Client A -----> Server <----- Client B The the server sends it's magic to both clients and then they connect ...
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1answer
365 views

inetd analog for Windows

Need a better analog of inetd daemon for Windows. Currently using http://sourceforge.net/projects/winetd/, but it's outdated with bugs present. Please recommend any better solutions for running your ...
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2answers
684 views

SSH over local unix socket

I'm trying to make a tunneling application to use SSH over a HTTPS connection, with a custom client and server at each end, where the custom client opens a unix socket that can communicate with the ...
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1answer
373 views

fcgiwrap listening to a unix socket file: how to change file permissions

I have a web server (nginx) and a CGI application (gitweb) that is ran with fcgiwrap to enable Fast CGI access to it. I want the Fast CGI protocol to take place over a unix socket file. To start the ...
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0answers
770 views

Bent processor socket pins LGA1155 after overheating CPU

I have an i7-2600k (not overclocked) on an ASUS P8Z68 V-Pro motherboard that I was cooling using a Corsair H60 since last August. My A/C went out for a period of two weeks and my ambient temperature ...
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1answer
528 views

ARP: 'Who has' broadcast resulting in TCP segment losses

I have an issue with a simple TCP connection between two PCs (both Windows XP SP3) connected by direct wire to each other. These PCs have IP address 10.10.10.1 (server) and 10.10.10.2 on the network ...
2
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1answer
488 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 ...
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2answers
676 views

Socket error sending data from Loftware to Zebra ZM400

I am occasionally experiencing problems with my Zebra ZM400 printer. When I print a label from Loftware, sometimes the label does not print. When this issue occurs, I can't ping the printer nor can ...
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1answer
278 views

Do both CPUs on a dual socket system need their own set of RAM?

I have a server motherboard with two sockets that support triple-channel memory. Each processor has 6 DIMMs. If I plan to use both CPUs, should I populate at least three of the DIMMs on each ...
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1answer
266 views

Why does it take so long for Eclipse to connect to a JUnitRunner process when IPv6 is enabled?

When IPv6 is enabled on my computer, half a minute passed between starting a new JUnit process and the test tree appearing in the JUnit view. When I disable IPv6, the tests appear immediately. What ...
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1answer
513 views

Is it safe to create a link to a socket file in /tmp?

I'm a bit confused as to see that going from one Linux distribution to another, the package managers will sometimes configure processes to create the socket file either in /tmp or in ...
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2answers
1k views

Upgrading mobile processor, socket confusion

http://en.wikipedia.org/wiki/Socket_G1 I have a Socket 989 rPGA (I think, Dell Inspiron D7010). I have 3 questions that I could use some help with. According to wikipedia, with Socket 989 rPGA can ...
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3answers
537 views

How to enable ports on a wireless network for java socket programming

Background: I have written a java server-client program. The server accepts incoming connections on port 2175 and writes responses on 2176 which the client listens on for the response. I am sending ...
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1answer
387 views

estimating size of reply HTTP headers

I am trying to download a file via a basic socket connection, using a HTTP GET request. So, I have to specify how many bytes of data coming in I have to read from the socket. However, I am having ...
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5answers
672 views

How do sockets deal with routers?

(Not sure if this should be on the unix stackexchange site...) When I make a socket I use IPv4 and a port number. So if I know both of these, but there's a router set up (on a home network; just ...
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1answer
177 views

Can I tranform my dvd drive in Acer TravelMate into hdd case?

I would like to transform my dvd drive into HDD/SDD socket in my Acer TravelMate 5742G (so that I can use 2 hard drives). I have been looking for something similar on the web but unfortunately I have ...
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4answers
1k views

What Can I Do With US Laptop's Power Plug's Ground Pin?

DELL Latitude E6420 that i have got in USA has this plug: While i have these 2 UK adapters: Usually neutral and live fit, but ground pin creates here a problem as the plug won't fit into israeli ...
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1answer
684 views

UDP Hole Punching impossible with non-well-behaved NATs?

Normally a NAT will keep the public end point of a local end point the same for all packets that are coming from it, thus making UDP hole punching easily possible. However, some NATs will map the ...
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1answer
2k views

Sending Packets to tap0 interface

I've been trying to send packets to a tap interface using python. I'm monitoring the tap interface using wireshark and no packets are being received. I'm doing this as an exercise mainly to help my ...
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1answer
128 views

Linux init local socket with '@'

I have experience with using local named and network sockets in C, but on Linux (Fedora 14), using GNOME system monitor, I notice that a local socket, being used by the init process, has the path ...
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1answer
544 views

OSX: how to check what is taking ports or sockets

I am having trouble with L2TP/IPSec on my OS X 10.7.2 machine and I was wondering what is the best way to figure out which process is taking particular sockets or ports; My related posts (below), ...
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1answer
219 views

OS X: how to figure out what prevents L2TP/IPSec from running correctly

It seems that an old installation of Cisco Anyconnect prevents the OS X built-in L2TP/IPSec client from running (I posted a question here: OS X 10.7, can't log into any L2TP VPN server, but didn't ...
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3answers
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Does Windows take care of closing sockets when processes exit?

I've read up this question about Linux, Can a port be bound when the process has terminated? Linux appears to clean up after processes exiting, and leaving open sockets. I was wondering if there's any ...
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1answer
141 views

What's the convention for a directory to store unix domain sockets in?

On Ubuntu or *nix systems is there a convention to store Unix Domain Socket files in a specific directory? I've seen applications store it in /tmp, but I thought /tmp can get periodically cleared, no? ...
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1answer
320 views

Does TCP/UDP send file sequentially or randomnly?

Does TCP/UDP protocol always send or receive file packets sequentially? Would it possible to make a choice which data packets will be sent first using sockets API?
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5answers
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Will socket 1155 cpu work in 775 mobo

will INTEL Celeron G440 BOX (s. 1155) work in ASROCK G31M-S R2.0 (s. 775) motherboard? I belive I heard that AM3 cpu can work in AM2 mobo is it the same case with intel.
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1answer
298 views

Sending a file via TCP/UDP socket

I'm reading about TCP and UDP from a article. In the end what I understood is that UDP is faster than TCP but it is unreliable. So if I'm going to a send a file, If use UDP, would it be faster than ...
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332 views

Accessing serial port via sockets

I'm on windows and I need to access my com5 serial port via sockets. I tried serproxy but it does not work. Is there a better tool to do it? This serial port com5 is a virtual serial port of my 3g ...
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4answers
81 views

TCP/IP on the transport level

I'm trying to understand what happens when I send a packet using a socket on the transport level. Do all packets which leave my computer go first to a geographical location designated by my ISP? Then ...
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1answer
80 views

Video player that can be controlled by Socket / TCP

Is there a Video Player that can be controlled with TCP? I think VLC supports this - but I can't find any easy to follow instructions on how to do this. I will be using this on a windows 7 machine, ...
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1answer
2k views

Is sharing a tmux sockets between hosts possible?

I'm wondering if it's possible to share a tmux server socket between different hosts. For example, I have a virtual machine (guest) running inside my host, and I'm running a tmux session in the guest, ...
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1answer
193 views

How does the Inetutils telnet utility determine if a connection is still alive?

I've started using sockets in programming with Java (I have experience with Python), and while testing a server that I'd written with the telnet command, I noticed that the utility responds ...
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0answers
477 views

Java - SocketException: Address family not supported by protocol family: connect

My Java connections seem to be failing a lot at the moment. When I run one piece of software with cmd open I get the above exception and sometimes class files don't load for web based Java programs. ...
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2answers
727 views

Can I avoid the ten connection limit of IIS by transferring through sockets?

Can I avoid being limited by IIS's ten-connection ceiling if I transfer files through sockets? I'm using Windows XP.
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0answers
261 views

SocketSniff equivalent for 64-bit applications

SocketSniff allows you to watch the Windows Sockets (WinSock) activity of the selected process. On x64 version of Windows, SocketSniff can only work with 32-bit programs. Is there any SocketSniff ...
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3answers
149 views

Distinct Proxying for any TCP-related Protocol

I'm not sure what to call it (proxy/redirection/relay), and I am hoping some software or solution possibly exists for linux. My intention is to be able to listen on a single public facing ip:port ...
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2answers
95 views

Limit access to a windows box on one port?

On my windows box I only need one port open, so I can open a socket connection to an AIR app and retrieve some status data occasionally. This is the only outside connection need. How can I do this on ...
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1answer
3k views

installing Gevent on OSX

>>> import gevent Traceback (most recent call last): File "<stdin>", line 1, in <module> File "build/bdist.macosx-10.6-universal/egg/gevent/__init__.py", line 41, in ...
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2answers
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is there a single-end available bandwidth measurement tool

i am doing my graduation thesis,currently i need a tool that is capable of measuring the available bandwidth between client and servers.i have googled that, the link ...
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1answer
2k views

Why has mysql stopped working on localhost and how do I fix it?

I use a MacBook Pro running Mac OS X 10.6.4 For a few years I have used MAMP to test websites locally but suddenly and for no apparent reason when I start the MAMP servers the mysql light stays red. ...