networking

networking

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0 answers

Tunnel remote port to localport

I would like to use a local browser such that the browser seems from a remote machine. Such that GET on localhost seems coming from remote2. I can only access this machine (remote2) with ...

3 answers

Sonicwall routing between multiple subnets on multiple interfaces

As shown by the network diagram below, I have two completely separate networks. One is being managed by a Sonicwall NSA 220, the other by some other router (the brand is not important). My goal is to ...

1 answer

Can not connect Qubee Shuttle (UH235) Wimax USB Modem in Ubuntu14.04

I am using Qubee Shuttle (UH235) Wimax USB Modem with windows 8.1 which works fine. But when I try to connect it with ubuntu, it can not recognize the modem. I talk with my friends from university, ...

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using sctp_recvmsg is the best? How?

I have just started with sctp and wrote my first program with it. I chose one-to-many communication style. Mainly I did things according to RFC 6458. (I used other source as well, but mainly I was ...

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Debian does not shut down interface with ip link … down

I have a really specific question for a trunk-testing environment. I have this network setup: +------------+ +------------+ | | +-----+ | | | eth0 ...

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Connect to remote Ubuntu Server GUI

I have a server running remotely by ip address 5.231.XX.XXX running Ubuntu 13.10 Operating system. I am using Ubuntu 14.04 on my laptop. I am able to connect to my server via terminal by ssh login ...

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No connection available in pool. netstat RecvQ shows high byte count

In our servers there is one particular dependency (java jar), which makes a total of 1024 connection to various remote servers (the library works as a service discovery). Intermittently, it is ...

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No connection available in pool. netstat RecvQ shows high number

In our servers there is one particular dependency (java jar), which makes a total of 1024 connection to various remote servers (the library works as a service discovery). Intermittently, it is ...

1 answer

Why can't I access my Ubumtu box on my LAN?

I can definitely access the external internet... via ping, wget, apt-get install, web browser..., but for some reason, I cannot ssh to my 14.04 server or ping it or or access any of the web sites i'm ...

1 answers | 1 hour ago by Daveh0 on Ask Ubuntu askubuntu.com
1 answer

ISDN: Usb Modem Windows XP

So I have a D-LINK Windows XP ISDN Modem which I have to use to contact our telephone service in the building. I'd love it to run under Windows 7 or 8 but it doesn't. However the USB-modem is ...

1 answers | 1 hour ago by Rob on Super User superuser.com
1 answer

Can't connect to Internet via D-Link Dir-600 Router on Ubunto 14.10

I recently installed Ubunto 14.10 and have trouble accessing the internet with my current network setup at home. (Cisco EPC2308G Moden - D-Link DIR-600 Router - Samsung R540 Laptop) I can access the ...

0 answers

How to limit processes bandwidth?

I am doing a project which require to track a processes exactly same as task manager and limit the bandwidth of the certain processes that I choose. I try to look for the coding in C#, but only can ...

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android network state change issue with BroadCastReceiver

I have implemented app network state change with BroadcastReciver. It`s working well but one time my app icon was inactive despite of connected to network.The question is that what kinda reason ...

1 answer

VLC adding extensions, remote connection, etc

I have a question whether I can remotely control VLC video player program (play, pause, sound, maybe some video streaming, cam streaming) between my computer/mobile phone. Here is my plan: 1. VLC ...

1 answer

Using Windows FTP client behind strict firewall

There is a software that depends on Windows ftp.exe to transfer files. Problem is, the computer that runs it is behind a very strict firewall, it does not work with Active FTP. Windows FTP only works ...

1 answers | 2 hours ago by Matty2 on Super User superuser.com
1 answer

Send packet (frame) with different 'Sender's MAC'?

I was just studying the Network+ book where it explains the contents of a Frame using blocks to represent a set of bits. Moving onward, it states that the first 'block' is the Recipient's MAC address. ...

1 answer

Qemu Proxmox VM - Network access to guests for BackupPC backups

Environment I rent a dedicated server from OVH and installed Proxmox 3.3 (which is based on Debian 6 Wheezy) in order to create and manage multiple Virtual Machines on it. Each VM is configured to ...

1 answer

cannot SSH into VirtualBox from host, can SSH from other machines

I have a weird situation where I can SSH into my VM from another machine on the network, but not from the host itself. Vital stats: Host: OS X Yosemite Guest: Ubuntu 14.04 VirtualBox version: 4.3.16 ...

1 answers | 3 hours ago by ezuk on Super User superuser.com
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Learning about interface between Network and Running Daemons (PHP,MySQL) - for scaling

I am a PHP/MySQL/jQuery programmer and coder, not a hardware guy. My new job involves scaling a LAMP server. This is a question of "what are the terms I should even be searching for" as I need to ...

0 answers

Execute remote commands as admin (vmrun)

I am using vmrun.exe to execute commands from a master to my virtual machines. For instance, I would like to be able to change the IP address of my virtual machines (netsh.exe should be launched as ...

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Multiple iptables denied in report from hourly logcheck on Debian

I get thousands of lines of iptables denied every hour from logcheck, for a week now. What are the steps to troubleshoot this, what are the main causes of this? This is inside an LAN and the ...

2 answers

How do daemons like apache or bind open ports below 1024?

I know that ports below 1024 are protected and can't be opened by a user without sufficient permission. However, I'm wondering how daemons such as bind or apache can do so, though they aren't running ...

3 answers

Configure multiple interfaces with different hostnames using DHCP and DNS

I have a machine running Ubuntu 12.04 Server with two interfaces connected (eth0, eth1) to the network. Our network is set up so that a FreeBSD based DHCP server hands out leases and registers the ...

1 answer

IPv6 only works incoming and localy on FreeBSD 8.4

I am running FreeBSD 8.4 and have trouble with IPv6. I can connect to my server from outside, connect locally to my jails. But from the server I cannot connect to the outside world. When I ping6 to ...

1 answers | 5 hours ago by Lexib0y on Super User superuser.com
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Playout buffering in QOS

What's a playout buffer when we talk about streaming application. And what is the difference between it and a classic reception buffer of TCP ? Thanks in advance

1 answer

Torrent upload ratio not updated on Synology DS212+

I have a Synology DS212+ NAS running DSM 4.2-3211 (current version). I use it for several purposes including torrent download using Download Station and a tracker that needs authentication. My ...

0 answers

Access a file on a remote Ubuntu machine using Java

From java running on Windows, I need to access a file on a remote Ubuntu machine. I use the following: URL U = new URL ( "http://" + SERVER_IP + ":" + SERVER_PORT + "/" + ClsName + ".class" ); ...

5 answers

How to route different traffic thru different network interfaces (in Windows)

I've searched for details on how to do this but I've been unsuccessful - I wondered if someone could offer up some advice. So, let's say I have 2 network cards (LAN and 3G in my instance), both ...

1 answer

Route between local machine and a VM running on remote server

I'm trying to establish a route between my local machine (LM) and a VirtualBox VM (VM, create with Vagrant and configured with Host-only Networking) running on a remote server (RS). The setup is as ...

2 answers

Forward traffic/packets through server (proxy/tunneling)

I have two networks: My local network (192.168.1.0/24) IPTV network (10.0.0.0/8) My current configuration of network is a little bit different as you could expect, but I can't change that since my ...

2 answers | 6 hours ago by user1257255 on Super User superuser.com
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