For questions on connecting devices together so that they can communicate with each other, as well as on networking equipment such as routers and switches.

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Anyone able to assist with my WiFi connection dropping out?

I believe this is quite unique ;-) - first my specs: Acer Travelmate P253e Laptop 8gb Ram 1tb HDD Intel Celeron 1000 processor @ 1.7ghz Windows 8.1 Broadcom Wireless Adapter OK, the issue. My WiFi ...
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15 views

connect to another computer using a proxy sort of thing with python [on hold]

I want to write a python script to estabilish a connection between 2 computers. I want the computer running the script to start by sending a SYN packet and then wait for the respose and either stop ...
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1answer
9 views

estabilishing a connection using scapy

When I do ip=IP(src=<src ip>,dst=<dst ip>) SYN=TCP(sport=4444,dport=4444,flags="S",seq=12345) send(ip/SYN) I see on Wireshark that src computer sends a SYN packet to dst, to which it ...
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13 views

WAMP Server with LAN DNS

I have set up a WAMPServer 2.5 on my secondary PC. I have changed my hosts file so that that I can access it through the domain "local.network" I'd like to have it so that anyone on my LAN can connect ...
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1answer
15 views

One way bridge between interfaces

I'm currently trying to set up my server to be based on containers to limit RAM and CPU usage for all programs. My problem is, that I would like to have all applications in different containers listen ...
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13 views

route all traffic from one user through vpn

I am trying to setup my linux computer so that all network from one user goes through my openvpn client, while everything else from all other users goes straight out to the internet. I know that this ...
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16 views

failing with creating ftp server

so i'm tring to create an ftp server on one of the computers i had at home, but i'm keep on failing. so what i did: created an acount at NoIP, and got ddns. - working fine. set an sataic ip to the ...
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1answer
11 views

Old Router as AP - choosing AP IP

My ISP modem/router is connected via powerline to a second router. On second router (AP) I have disabled DHCP, I have connected it with powerline using the LAN port (so not the port marked as ...
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1answer
14 views

PuTTY terminal session between two windows 7 machines over ethernet

I would like to open a PuTTY terminal session on one machine which is physically connected to another machine via an ethernet cross-over cable. Ideally characters entered in the PuTTY terminal window ...
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35 views

Linux game server is unreasonably slow

I just set up an old MMO from 2002 or so (Astonia) on a 32-bit clean install of Ubuntu, as it was just brought to my attention that the game in open source and I figured, why not? When the server is ...
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6 views

How to detect what is responsible for high jitter?

I'm trying to stream between two computers connected via switch (Ethernet). However it looks like the high jitter is not allowing for smooth transfer (at least according to in-program test mode). How ...
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2answers
26 views

How to connect to Router Admin Panel that is connected to other router?

So in easy way my two routers are in this configuration: and these are settings from R1, I thouh i would be able to connect to R2 by 192.168.0.3 but with not success I want to connect from PC1 ...
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1answer
8 views

Win 10 network connection order not saving

I have both a Ethernet and USB WiFi dongle connection going into my desktop, and the Ethernet is a much better connection. I want my computer to only connect to WiFi when Ethernet is not ...
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2answers
19 views

how to make 2 virtualbox vms able to see each other via internal network but also be able to access the internet

I have 2 VMs (A and B) running locally (on host H) with VirtualBox and I would like to be able to: ping A from B via an internal IP ping B from A via an internal IP ping 8.8.8.8 from A ping 8.8.8.8 ...
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Where can I download openwrt-15.05-ar71xx-generic-tl-wr841nd-v7-squashfs-factory.bin The link on wiki.openwrt.org is broken

This link from this page appears to be broken. Does anyone know where I can download that file? I'm looking to install a custom firmware on my WR841N v6/v7 as I get very slow download speeds ...
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1answer
12 views

Does the traffic go through my company network when I browse when connected through SSL-VPN

I work for a company which is not in my country. The enterprise intranet is in a different country. We do not have many employees in my country - so everyone works from home. When we need intranet ...
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1answer
7 views

Cant Ping to my computer

There are three computers like Computer A, Computer B and Computer C all are in same network: Computer A can't ping Computer B and Computer C. Computer B and Computer C can't ping Computer A. ...
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14 views

How to access to a wired device with a wireless one in a local network?

I use windows 10 and an old wireless router. A computer is connected with wire to the router and a smartphone is connected with wireless to the same router. I need to use the computer as a server and ...
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14 views

Port forwarding issues with TD-W9980

I bought a new modem/router (TP-Link TD-W9980) because I had trouble port forwarding my last modem. I have forwarded the ports on my router but the ports are still closed. I have set up a static IP ...
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1answer
14 views

Curious case of slow data rate

I have a Netgear router (JNR1010) which supports data rate up to 150 Mbps. My laptop is connected with the router and so is my mobile (Redmi 2 Prime, 802.11n). Now, when I create a FTP Server from ...
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21 views

Host connected to Cisco 3750 L3 switch and 3825 router cannot connect to the internet

My environment consists of a Cisco WS-3750-24T-S L3 switch, a Cisco 3825 integrated services router, and a host connected to the switch. The host is a virtual machine in ESXi that is tagged as VLAN ...
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13 views

How to Bridge an XBox Through a VM?

I am trying to bridge my XBox One through a virtual machine running WANem / Knoppix, for the purpose of network testing an indie game. My operating system is Windows 8, and my setup is currently as ...
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10 views

Lost Internet RDP over VPN

I cannot access the web while using remote desktop unless I go back to my local desktop. Suddenly this is a major issue. Details below. Please assist. Thanks! First, we connect to a remote server via ...
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1answer
14 views

Rdp through internet, one public ip, few computers [duplicate]

I need to connect to remote computers through the internet by rdp, but public ip is only one - router have it, so i can`t find computers. Question is - how can i solve this problem ?
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1answer
31 views

how to set up subnetwork at home?

I'm trying to achieve something that, I believed would have been very simple to set up, but I'm struggling at making this work. Basically, I have a ISP router with an internet connection, from there, ...
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19 views

An unexpected TLS packet was received setting up VSFTPD - Filezilla

I'm setting up an FTPS server under linux Ubuntu 14.04.01 i installed VSFTPD using apt-get install vsftpd then generated an openssl Key using: openssl req -x509 -nodes -days 730 -newkey rsa:2048 ...
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1answer
48 views

Ubuntu 14.04 no internet access with my laptop

I have looked at askubuntu for answer but still I cannot resolve my problem.My ifconfig eth0 Link encap:Ethernet HWaddr 00:25:b3:42:05:5c BROADCAST MULTICAST MTU:1500 Metric:1 ...
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5 views

I want to add windows server user to windows xp machine

I have installed Windows Server 2003 on Virtual Machine & created more users I want to use this user on different machine (within the same network) but i failed to add this user on different ...
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8 views

Troubleshooting dropped packets in Telegram Messenger

I'm experiencing problems in using Telegram Messenger on my Mac, but only when connected at home (specifications at the end). More specifically, when uploading and downloading media (or even while ...
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1answer
22 views

Custom combining mobile data and wifi on windows 7

I have 2 internet sources 3G based Huawei E3533 Dongle (usb) with unlimited bandwidth and speed (Remote NDIS based Internet Sharing Device ) 4G Huawei router (Wi-Fi) with limited bandwith and ...
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19 views

Is there a way to limit bandwidth usage on Windows 7?

Often, I tether my Android smartphone to my Windows 7 PC, while travelling. This office PC has many background data-consuming applications (like software update, virus definition downloads, large ...
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1answer
15 views

How to make a NAS server visible to the network, while it is connected to PC?

Right now I have following configuration: NAS (192.168.177.2) -> PC (192.168.177.1; 192.168.1.100) -> TL-WR1043ND (192.168.1.1) -> Internet The whole thing works in terms of NAS being able to ...
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22 views

How to connect two different OS machines using Ethernet cable for file transfer?

I have Linux Mint (Similar to Ubuntu). When we try to connect two Windows PCs through an Ethernet cable, we can directly transfer the files. But when we replace one machine with a Linux-based PC, it ...
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1answer
33 views

Home network setup - must everything be on the same subnet?

I'm having some trouble setting up my home network... It consists of the following components Home Network: PC and HP Microserver (both with gigabit connections) Netgear DGN2200 ADSL modem ...
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18 views

Asus RT-N66U Port Forwarding with VPN to PIA

I have an Asus RT-N66U router (using the latest firmware) that is connected to my ISPs fiber modem using PPPoE. I have signed up for VPN access to PIA and setup the router to connect using its VPN ...
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20 views

How to simulate TCP simultaneous open and close conditions?

I am learning TCP/IP protocol. I want to see simultaneous open, close, half open/close, etc conditions in practice. I have created simple TCP server and client program. How can I simulate simultaneous ...
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15 views

systemd-networkd: how to create a virtual bridge?

I am trying to create a purely virtual bridge for testing some problematic network services. On an older Debian system I could accomplish this from /etc/network/interfaces using something similar ...
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6 views

Maintaining seamless connectivity between WAPs on a single ESSID

What is the most efficient way to keep mobile devices (laptops, Smartphones, tablets) passing between multiple WAP's in a small-medium sized office from losing their connection and seamlessly transfer ...
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17 views

Windows 10 Connecting to wifi adhoc networks

I have a wifi device, and from my win10 laptop, I need to connect to it. I can see the network (adhoc), however win10 cannot connect to it. The same device works well under windows 7 - adhoc. ...
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2answers
17 views

NSlookup of static IP showing computer name from DHCP range

I am part of a network with 60 or so maximum devices. Just a class C subnet where x.x.x.1-100 are statically addressed hardware. 101-150 are also statically assigned addresses for thinclients and ...
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Problems with Chrome browser

I can't browse half of the sites anymore without getting time-out errors or that "https" error and warning. Then I need to type "danger" to open the site and https text is cut off Don't have these ...
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1answer
17 views

WiFi high latency

I got some problems with my WiFi setup. In my setup I use a Macbook Pro and a TP-Link WR1043ND v1 (OpenWRT). WiFi Channel is set to 6 (already tried other channels and 20/40Mhz width) If I ping my ...
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25 views

Why does my router go offline for 30 seconds every 30 mins?

My cable modem at home (Time Warner Cable) is a DOCSIS 3.0 modem and wireless router in one device. Recently this new thing started happening: Every 30 mins or so, I go offline from my MacBook ...
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21 views

IPv4 forwarding Wifi issue

I am facing an IPv4 forwarding problem with the following setup: Router / WLAN-AP = AVM FritzBox 7490: IP: 192.168.0.1 Host B = Debian Computer: IP: 192.168.0.2 ; Gateway: 192.168.0.1 ...
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1answer
46 views

Problems during small office network design (multiple switches / load balancers / print servers) [on hold]

As part of my HND in system design , I'm supposed to come up with a design for a small busness network where there are 200 student pc's (in 4 labs) + 10 academic staff pc's + 1 Server (Active ...
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16 views

Reject routes for IPv6Tunnel in Windows 10

I am currently using Hurricane Electric's IPv6-Tunnel for IPv6-connectivity from my office computer (IT staff approved!). Now I realized that HE.net has a peering dispute with Cogent. So all ...
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9 views

MS Routing Server not routing from Hyper-V External Adapter

I've searched this issue but i'm not able to resolv it. I'm not able to route to a subnet! Here is a high level overview of my env: Network Overview What does work: From the MS Routing Server: ...
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22 views

Edimax AR-7286WnA - Rom-0 Attack and all services disabled

Got an Edimax AR-7286WnA, dns pointed to malevolous. I'm using the google dns on all devices, but a virus redirect all my requests to tradeadexchange and then to a FlashPlugin fake update page that is ...
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1answer
16 views

Cannot ping VPN server by tun address when connected

I have an OpenVPN server set up in a datacenter running Debian. I am using a TUN interface to connect to it, and my Windows PC gets a 10.8.0.x address, as expected. When I run ip addr on my server, I ...
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18 views

Win 7 HomeGroup frequently ask for “Network Password”

I have setup a Win7 PC as a local server called "HomeServer" and have set all other Win7 PCs join homegroup on "HomeServer" PC. Then, I have all the file sharing on that "HomeServer" PC. This kind of ...