Networking is the art of connecting two or more devices together so that they can communicate with each other.

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Why does 'redir' not work for me?

I am developing & testing with "remote servers"; using URLs for the remote system like "whatever.internal.ip:8080/someWebApp" Unfortunately, I am dealing with new IPs every day. And changing the ...
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6 views

ssh to a machine with bridge ports

I want to connect to a machine by ssh this machine has tow ports that are bridged. I am using bridge IP to connect ssh samie@192.168.1.97 But I get this error ssh: connect to host 192.168.1.97 ...
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1answer
6 views

Guest VM as firewall for other Guest VM

Maybe you can help me a bit. I am new to VM player.. I have Host - win 7 and two Guests on VM player. Kali Linux and Windows xp. I have troubles with setting network connections. Task is to create ...
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13 views

New HP Network Printers Problems with Barcodes

a few days ago, i replaced some old HP Laserjet 1300 printers with new HP Laserjet Pro 400 printers. As manufacturer, driver and settings are the same (i checked it multiple times) i didn't see any ...
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6 views

Transfer speed of an individual process

One of the processes on our webserver that talks to an external email server is running really slowly. How can I find its transfer speed to/from the mail server? Needless to say I can't just look at ...
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1answer
13 views

Why filtering on udp port in TCPDUMP gives only fragmented IP frames

I've a device capturing traffic with Tcpdump filtering on "upd dst port" then it creates a pcap file to be read in wireshark. what I obtain from running: tcpdump udp dst port 5201 -qUns 0 -i wlan0 ...
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1answer
24 views

Windows 7 - Connecting to PC on same network asking for username and password

I'm trying to connect to another PC on the same network so I can transfer files. I have been using the following tutorial ...
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0answers
15 views

How does tor exit node remain undetected?

I've just read about Tor and as i realized when I run tor and type some website(example.com) and hit enter this request is encrypted couple of times and goes to some computer, then it decrypts gets ...
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1answer
10 views

How can I add some static IP address at IPv6 for Windows 2012 DHCP server?

I would like to add some static IP address to my Windows 2012 DHCP server. I have tried to pair the IP address with its MAC address. At IPv4 it works, but how can do it at IPv6? Could anybody link a ...
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0answers
19 views

How can I access the internet connection on a windows machine via usb from a linux machine?

Suppose I have a laptop with a linux system with no internet connection, and a windows 7 pc connected to the internet. How can I use the internet connection of the pc on the laptop, connecting the ...
2
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1answer
13 views

Select default network card

I have a laptop connected to the internet via Wi-Fi. It is also connected to a private network via LAN. If the laptop is connected to both networks it doesn't have internet connection. How can I tell ...
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0answers
14 views

Configure VPN to access remote LAN network (Asus RT-AC66U)

I want to access a remote LAN network, without using this remote Internet connection when I browse websites for example. What I have so far is a working VPN connection (PPTP) but when I connect to ...
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1answer
21 views

Linux: routing table - Gateway column: 0.0.0.0 vs *?

I have found SO question about What does 0.0.0.0 gateway mean in routing table? but this is not exactly what I want to know. I have noticed that in some outputs (e.g. here) of Linux route -n command ...
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2answers
15 views

How to connect to two PPPOE connections

I'm in a network that has to connect with a PPPOE connection to get internet access: I have two enhanced adapters in my computer with different IP addresses and two username and pass to connect with ...
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4answers
55 views

How to prevent computer from taking some IP address

Imagine you got a network to which other users can connect with their PC's, you have set up some rules, for example there is a DHCP server that gives addresses 192.168.2.100 - .254 and first 100 ...
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0answers
35 views

Windows 7 DNS not working

displaydns fails Best way to describe the problem is that ipconfig /displaydns reports: Could not display the DNS Resolver Cache. But DNS client is running Reading forums, the most probable ...
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0answers
4 views

XML Parsing Error: junk after document element [migrated]

So basically I set up my own wamp sever and trying to follow this tutorial (http://www.ibm.com/developerworks/library/x-androidtictactoe/). The problem is when I test my moves.php file from my sever, ...
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0answers
9 views

Why broadcast ping takes longer than host ping

I have a simple question. I have read that when I'm pinging broadcast address in LAN every device responds to ICMP Echo Request and console shows first(quickest) response. But when I pinged ...
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1answer
10 views

How to configure multihomed computer to force internet requests over one of the adapters?

Here is the setup. Laptop is connected via ethernet adapter to a consumer grade wireless router. This router does not have a connection to the internet. It is local only and should stay that way ...
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0answers
6 views

Amahi server can't see router

I just installed my amahi server (marvin.home) and I can't access it via web at "marvin.home". I have to access it from '192.168.1.10'. When I run the following: ping hda (it should ping the IP of ...
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0answers
9 views

VPN and Windows Accounts

I connect to a VPN "Private Internet Access" with Windows 7. I'd like to know if there's a way to connect to the VPN in one account and have another IP in another account. For example: Account User1 ...
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1answer
12 views

I can't set up the following Netsh settings, because the object is already exist

I use the Netsh int ipv6 show int in terminal, the result: 1 50 4294967295 connected Loopback Pseudo-Interface 1 11 10 1500 connected Local connection When I wanted to use the ...
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9 views

Use IPTables FORWARD for NFS

I have this topology [R1] -> [F1] -> [Server] I need to pass ssh, web and nfs traffic through F1 to Server using iptables. It's quite easy with ssh and web but I'm stuck with nfs. I have set static ...
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0answers
33 views

Use two different connections: one exclusively for download and the other for upload: possible? [duplicate]

I hope you can help me with this dilemma. I have two different connections, one is via router/ethernet, the other one is mobile: the first one has a very good download speed, but lacks of upload ...
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2answers
18 views

Bonding 3 10mbps adsl lines with a mikrotik

How do I get it right cause it uses all three lines for upload , but only uses two for download ? Please help Pieter
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0answers
10 views

Proper network architecture for fault tolerant multi WAN multi building WLAN setup

I need help with deciding the correct network architecture for a guest WLAN deployment. We have 3 buildings, and each of them has its own LTE router (Mikrotik RB411U) connected to an Ubiquiti ...
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12 views

Could this be blamed on the router?

The network is as follows: there is a 400MBit connection coming into the floor which is being shared by a Cisco EPC3825 over wifi only (no cable access) to up to 8 people (currently 3). The internet ...
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9 views

HyperV nat port forwarding [on hold]

Did you ever find a solution for this? Hyper-V: NAT Port Forwarding I have managed to sort out the natting but my port fording keeps freezing. Regards Mirco
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10 views

What “device” represents between socket and network

Here is a question and an answer: How many times is the data in a message copied from a user process creating it to it being sent onto the network? Answer: two times The data is copied once from ...
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2answers
30 views

Is there such a thing as a double ethernet cable?

I have a cable modem in the living room. I have ethernet running out of the cable modem to an Apple Airplay, then back out of the Airplay to a 4 port switch so that I can hardwire all my consoles. I ...
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0answers
6 views

How to capture VirtualBox VM packets

I am currently running a series of three Ubuntu 14.04 VMs on my Windows 7 x64 host. The guests are all configured thusly: Host-Only Adapter Intel Pro/1000 MT Desktop Promiscuous Mode: Allow VMs Cable ...
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1answer
9 views

Confusion about the `conntrack` extension of `iptables`

The iptables-extensions manpage has this to say about the conntrack extension (emphasis mine): This module, when combined with connection tracking, allows access to the connection tracking state ...
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0answers
13 views

What are These Outbound Network Rules

I Have a few odd looking network outbound rules for my computer they are Name Group Application Package f5.vpn.client f5.vpn.client ...
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2answers
19 views

Can you assign different default gateways on a per-application basis in Windows 7?

I have two internet connections (one satellite and one DSL). I want to route all my gaming traffic through the DSL connection and all other traffic through satellite. Each WAN is served from its own ...
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1answer
35 views

http://localhost:3000 works, but http://127.0.0.1:3000 doesn't

I'm building a Rails application on my local dev machine. When running my local server, I can access http://localhost:3000 without a problem. However, when I try to navigate to http://127.0.0.1:3000, ...
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0answers
13 views

Route certain apps through socks5 with authentication [on hold]

i am trying to route traffic from a few applications that do not have a built in proxy feature through socks5 with authentication. I have tried using both proxycap and proxifier, both of these ...
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8 views

Issues with two Internet connections, two routers and one network

I recently acquired a secondary Internet connection for my own room while my family shares a primary connection. The primary connection is connected to my network devices such as NAS and printer and ...
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0answers
21 views

Strange intermittent lag phenomenon over wireless LAN

I'm connecting to computer Y on my wireless LAN at home. Y is a newly-assembled machine running Kubuntu 14.04; it's wireless adapter is "Realtek RTL8192CE PCIe (rev 01)". Between other machines on the ...
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1answer
9 views

SNMP read only risk of enabling

We are currently thinking of enabling SNMP read on our routers and switches. What are the risk of doing so. If the read mode is compromised how much damge could we be expecting.
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1answer
11 views

Make traffic go one-way by using iptables

I have a network topology: [C1] - [R1] - [R2] - [C2] C1-R1 network is 192.168.100.0/24 R1-R2 network is 10.9.8.0/30 R2-C2 network is 192.168.200.0/24 What I need to do is to make C2 be able to ...
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19 views

CS:GO SRCDS and iptables (firewall)

I have very strange problem. This morning I wanted download, install and host small server for CS:GO on my VPS. I used this tutorial: ...
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0answers
5 views

Port Forwarding using iptables

I have the following problem: I have two servers. I can connect to server A trough the internet. But I also want to connect to server B. How can I use iptables, that if I connect to server A over ...
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1answer
18 views

Forwarding requests to my external IP to a different IP

When I connect to my external IP in linux, it gets forwarded to my gateway (router). But I need to run a server, so I need to be able to forward requests to my external IP to my computers ip address. ...
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27 views

can I know who on the network copied a file from my computer from my shared files ? and how ? on windows

How to find out who copied my files from the network, is there is a log file on windows that tracks who copied files and when.
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0answers
14 views

Accessing bridged VM from within VPN

I'm trying to get a torrent remote (Transdroid) on Android to connect with a torrent client within a bridged VM. All traffic from the VM goes through a VPN. Problem is, when I attempt to connect with ...
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0answers
19 views

Wrong IP address present when connecting from localhost to localhost

I have a Linux server with Ubuntu installed on it. When I connecting to some service (MySQL, apache, icecast for example) from the same machine at address 127.0.0.1, they all show that I connected ...
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1answer
25 views

Where do port knocking services listen for incoming knocks?

I'm trying to understand how a port-knocking daemon is able to monitor for knocks, independent of the firewall rules (e.g. accept/drop/reject packets). I've installed knockd, which listens for lets ...
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0answers
13 views

How to fix NAT type-Strict on xBoxOne [on hold]

I have a Motorola SBG6580, xBoxOne, directv genie and other deivces, and WOW as my ISP. For the last week I've been getting "NAT type-Strict" on my xboxone which prevents me from chatting and ...
3
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1answer
15 views

Lan printing issue HP 8600 pro

I'm having random issues with lan printing. Network composition: 2 PCs (Windows 8) are connected by Ethernet 2 Macs (10.9 & 10.10) are connected by Wi-Fi 1 PC (Windows 8) is connected by Wi-Fi ...
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1answer
31 views

Why does IE resolve https://localhost but Firefox does not?

We're running Windows 8.1 with the current stable Firefox and IE. There's a fresh installation of Apache 2.2 that has been enabled to do SSL. http://localhost is reachable in Firefox and IE and ...