A communication end-point for networking, for CPUs please use [processor-socket]
0
votes
0answers
32 views
how raw socket works? why NIC pass raw socket packet without modification? [closed]
I know that libpcap and iptables works on the layer between NIC and TCP/IP stack,
but libpcap is between NIC and iptables and TCP/IP stack.
I'm at a loss where raw socket works.
when I send a ...
1
vote
1answer
24 views
TCP vs UDP Error-Checking
I've bounced upon two articles that describe in-depth on how TCP and UDP connections work. However there is some kind of inconsistency. Where one article tells me that UDP does no Error-Checking at ...
0
votes
1answer
138 views
What do Intel's socket package specifications mean in detail?
What is the difference between
FCPGA988
PGA988
rPGA
rPGA988B
BGA1224
FCBGA1224
Do some mean that the BGA is soldered to the board and cannot be removed? BGA is soldered versions only, right?
...
0
votes
1answer
48 views
How to explicitly free EADDRINUSE port for binding it again?
$ testOnDemandRTSPServer
... Play this stream using the URL "rtsp://192.168.90.2:8554 ...
^C
$ testOnDemandRTSPServer
Failed to create RTSP server: bind() error (port number: 8554): Address already in ...
-2
votes
1answer
31 views
is it possible to create a server which can receive different packets from a specific port [closed]
I want to run a server process on a computer, it is binding to a port
and then I want to process can receive all packets that is destined to that
specific port
and then I want to parse the packets
...
0
votes
1answer
32 views
LGA 1155 Socket
I have an ASUS CM6850 Motherboard and SIW reports:
Manufacturer ASUSTeK Computer INC. Model
CM6850 Version Rev 1.xx
Bridge North Bridge Intel Sandy Bridge Revision 09
South Bridge Intel H67 ...
2
votes
1answer
70 views
How to determine the socket connection up time on Linux
I can verify that the connection is up:
$ netstat -tn | grep "192.168.2.110"
tcp 0 0 192.168.2.100:10444 192.168.2.110:52639 ESTABLISHED
is there a way to check how long this tcp port ...
0
votes
1answer
88 views
getting global IP address when using a vpn
How can I get my global IP address? I can see my global IP address via a site: www.whatismyipaddress.com
It shows correctly about information of my computer including IP address.
But if I use a VPN ...
0
votes
2answers
67 views
Can I create a socket file on mac?
I am missing /tmp/mysql.sock. It has signature srwxrwxrwx. Is it possible to create this file by hand?
11
votes
1answer
235 views
Determining what process has bound a port (without listening) on Windows
If I want to find out what process is listening on what socket, I can use netstat/TCPview and will immediately see it. However, it is possible to bind to an address without listening. If this is done, ...
1
vote
1answer
208 views
sshfs mounting linux directory from mac stopped working
Until this morning, I'd been using sshfs quite nicely to mount a directory from a linux machine in my office. Today, it stopped. Here's my sshfs command:
sshfs -osshfs_sync,volname=linux-builder3 ...
1
vote
1answer
141 views
Can Connectify Dispatch be used for video streaming?
Here is my situation. We are specialized in video producing local sports for web-streaming. In most cases clients provide us with poor bandwidth, which is absolutely critical for us.
There is a ...
0
votes
2answers
80 views
port forwading to make a server on my computer
I tried to make a chat program with java. i succeed when i use the ip of 127.0.0.1 to connect.
Socket socket = new Socket("127.0.0.1",5005);
it all worked great on my computer and the program even ...
-1
votes
1answer
539 views
Is it possible to upgrade the AMD E-300 APU on a laptop?
I read that this processor is BGA. That would mean that it is soldered to the motherboard? Can an average laptop technician replace it?
This processor is very slow, it scores only 600 on the Passmark ...
3
votes
1answer
79 views
No-socket alternative to tmux or screen
My university gives each student a directory on their AFS which is accessible via SSH. There is a (light) CLI-driven piece of software that I would like to run continuously from the university.
I ...
2
votes
1answer
63 views
Simulating a network issue for a specific application
This is somehow a developer question, but as it is more related to operating systems and network connections, I will post it here and not on Stack Overflow.
I'm trying to simulate a situation when a ...
1
vote
0answers
120 views
websocket behind a firewall
I have a computer with a strong CPU and a lot of memory (strongy) running Windows Server 2008 R2, that is blocked by a firewall from any access from the outside world.
I have a computer with a weak ...
0
votes
1answer
43 views
Can socket files cause storage system atrophy?
I was thinking about setting up a web server on a Raspberry Pi, RPi boots from an SD card. The server is meant to be able to be in operation for a very long time, 10 years is it's expected life span. ...
2
votes
1answer
36 views
How do I run mysqld as a regular non-daemon program?
I'd like to run a local copy of mysql, to keep software development environments isolated. However, I can't seem to get the mysqld server to start up.
I've created a database directory with ...
1
vote
1answer
242 views
Too many open files on socket
I have a big problem and that is that my company's production application which I unfortunately can't shutdown and restart ( I am unsure how, and I don't want to do any mistake) is spitting out a lot ...
0
votes
0answers
31 views
How can I know what are the ciphersuites offered by firefox
How can I get the list of sslv3 and tlsv1 & tlsv1.2 of the ciphersuites that mozilla offers in ssl session ? I tried to write about:config in the browser and got a list but seems only for ssl3. I ...
0
votes
2answers
69 views
Is it possible to see content of TCP/IP connection?
This is a bit weird. I want to see the content of all TCP/IP connections coming in/out of the system.
Is any of this possible on the same machine? I know I won't be able to see encrypted content but ...
0
votes
1answer
149 views
Not receiving responses sent from a different subnet when my machine is on DHCP
I am building a utility to communicate with some hardware that comes with a default IP address of 10.0.0.1 and subnet mask 255.255.255.0. The hardware replies to UDP messages on the same IP and port ...
0
votes
0answers
19 views
is socket api used to establish internet connection in Windows?
is socket api used to establish internet connectivity, e.g. when my machine connects to ethernet or wifi lan? Or are sockets used only at the higher level by applications and Windows components for ...
0
votes
3answers
455 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 ...
2
votes
1answer
795 views
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 ...
0
votes
2answers
624 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 ...
0
votes
0answers
41 views
How to configure firewall to allow using a specific port [closed]
I am trying to make tcp ip connection to a server xxx.xxx.xxx.xxx with port xxxx. But I am getting error message "10061 connection refused".
I think firewall on the server is stopping my program to ...
0
votes
2answers
109 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 ...
3
votes
2answers
1k views
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 ...
4
votes
1answer
259 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 --- ...
0
votes
0answers
169 views
Freeswitch errors out when trying to place call
I have Freeswitch instance set up. My local network consists of d-link dir501 router, PC with freeswitch running and laptop and tablet with SIP clients. I want to connect from one of those devices to ...
0
votes
1answer
113 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 ...
-2
votes
2answers
250 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.
1
vote
0answers
135 views
Find the sockets being used by a process in Linux (as a non-root user)
I have to find the sockets being used by any running process on the system. I can't install external libraries or apps in order to get that information.
I tried with netstat -a -p, fuser lsof -i and ...
3
votes
2answers
1k views
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 ...
0
votes
1answer
98 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 ...
0
votes
1answer
118 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 ...
4
votes
1answer
199 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 ...
1
vote
1answer
137 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 ...
0
votes
2answers
333 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 ...
0
votes
0answers
102 views
Network programming, communication through VPN
I have Centos production webserver and I'm a socket client app that will run on that server and communicate to another company's server through a VPN. My question : after setting up the site to site ...
1
vote
1answer
224 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 ...
3
votes
0answers
613 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 ...
1
vote
1answer
352 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
votes
1answer
310 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 ...
1
vote
2answers
376 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 ...
1
vote
1answer
179 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 ...
0
votes
1answer
181 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 ...
1
vote
1answer
411 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 ...
