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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11 views

VPN some websites do not load on a specific WiFi

I have a RaspberryPi 2 with strongswan installed on it, using suite B crypto, IKev2 and fragmentation on. When I Connect to this VPN with my MacBook on a Hotspot which routes the traffic over the UK, ...
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2answers
687 views

Why i don't have common default gateway and dns of 192.168.1.1

I cannot open some websites(example speedtest.net) it takes me to the address http://1xx.1xx.2xx.4x/AirtelDSL. where Airtel is my service provider(ISP) while i can open succesfully http://speedof.me/ ...
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1answer
17 views

Resolving adresses with “.localhost” TLD in Mac OS X

When developing a web app locally I like to use addresses like app.localhost:8080 to access them. They work fine in Chrome but not in Safari. I guess this is because Chrome has special handling for ...
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1answer
38 views

Some websites load while others load forever in Linux Mint 18

I have installed Linux Mint 18 64 bit and noticed google and youtube and others loading flawlessly (even HD videos play) but some sites like wikipedia don't show up even though the tabs in mozilla ...
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1answer
24 views

Cannot access devices connected to primary router from access point

I have two routers set up for my home network. One is the primary router (which also serves as a modem). Running from a LAN port of this router is an ethernet connection to the WAN port of the other ...
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1answer
21 views

How to configure Linux iptables to block a specific port of server?

I am trying to implement port restricted cone NAT. I want to block a specific port 3479 of server 192.168.10.102. iptables -A INPUT -i $WAN -p udp -s 192.168.10.102 --sport 3479 -j DROP iptables -A ...
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0answers
7 views

Printer Setup can not find printer over wireless connection

I'm using the Canon IR-ADV c5030 setup program and when it comes to the point of searching for the printer, it can not find it, if my PC is connected to the network by WIFI. If I'm connected by an ...
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0answers
23 views

Machine interfacing using Cross-over network cable to my computer

I am working with a medical equipment. It is capable to connect to the internet using cross-over cable. I am making a LAN connection between machine and computer using cross-over cable. And a server ...
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1answer
20 views

How do I find the IP address of a managed switch?

I recently bought an Allied Telesyn AT9924T ethernet switch on eBay. I got a great deal on it, but now that I have it I can't seem to reset it or access the web interface. Apparently on this ...
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2answers
42 views

Physical LAN not working over switch, but wireless LAN is

I have connected two computers over a switch. The desktop computer is running Linux Mint 17.3 and the laptop windows 7. The Desktop only has an IPv6 address for the physical LAN. Laptop has both IPv4 ...
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1answer
39 views

Phone line not working when plugged directly into rj45 patch panel unless I use a patch cable. Why does it only work with the patch cable? [on hold]

I have an issue with analog fax line not working when plugged directly into rj45 patch panel. edit: The fax line is a POTS line, meaning it's a copper line from the phone company The setup is this: ...
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0answers
23 views

VMWare Workstation VMs Change IP Address without powering on

my home router changed and now new gateway is 192.168.1.254 and i see no way to change it to 192.168.1.1 I changed my physical machines to use 192.168.1.254 as the new gateway now I have around 200+ ...
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0answers
10 views

some devices frequently not connecting to Belkin N450DB Wireless Router

I have 7 devices connected to my router. 1 desktop hardwired and 6 wireless devices: 2 windows 8 laptops, 1 windows phone, 1 wireless printer, and 1 Ipad. The problem is some of the wireless devices (...
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1answer
45 views

Rerouting network traffic to vpn

I have an ubuntu server as router. Now I would like to route all traffic from subnet 1 (192.168.1.0) through a vpn connection. This works only when i let the vpn server push the routes to my router ...
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0answers
13 views

Can SSH out, but not in to a docker container: network unreachable

Real docker noob here, trying to get an ubuntu container that can be accessed via SSH. I'm using an image using this dockerfile and building & running it with "docker build -t sshable ~/PATH/" ...
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0answers
18 views

Pls help! No internet when connecting to Huawei mifi device in windows 10

So,I'm unable to connect Huawei mobile Wi-Fi device E5220 with my Asus Windows 10 laptop. Both in Wi-Fi and in a plugged in (through USB) Ethernet connection,it says "No internet". It shows as ...
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0answers
8 views

Connect to remote failed: couldn't open socket: connection refused (::comm::comm tcl)

I am using a piece of software with a lot of tcl support. I call everything as root. I attempted to put everything in the same directory. The relevant scripts are all executable. When I call this ...
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1answer
34 views

How to connect 2 WiFi routers to a modem via a switch

I have a large(ish) house, and I have a WiFi router set up in the place where it gets signal to as much of the house as it can, however there are 2 rooms to the side of it where there is no internet ...
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1answer
12 views

Highly unstable WLAN / Roaming does not work with Debian 8

When using mobile devices in large buildings WLAN connection fails forever or longer periods of time when roaming from one access points to another occurs. The WLAN link is always up but no network ...
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1answer
7 views

Use DDNS domain for multiple machines and ports

I have the following setup: 1st) a Raspberry Pi with ssh and ftp in my home lan, which I access from outside via a dynamic DNS domain. 2nd) a website on a webspace with a free hoster which is ...
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0answers
19 views

multiple speed port on 100M internet connection

I upgraded my internet connection to 100M. But I'm not able to get this bandwidth. I have a vlan where 2 firewalls have access to it. Both are configured with auto negotiation on, but on of them is ...
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0answers
12 views

How to share a file (not folder) across WInXP LAN?

I know how to share folders across WinXP LAN via WORKGROUP. However, when it comes to sharing just a file (not folder), I find no such a sharing button within WinXP. I tried creating a shortcut link ...
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0answers
20 views

Set bandwidth limit on chromebook (chrome os)

I would like to set a GLOBAL limit on the amount of internet bandwidth that a Chromebook can use. I am aware that chrome's dev tools allow you to simulate a device with a slower internet connection, ...
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1answer
24 views

Network on home computer gets lost, adapter should be disabled/enabled to restore network access

I am using Windows 10 desktop and some 2 weeks ago started to appear the following problem: network connection to the cable network gets lost randomly. It usually happens (or is detected) when I am ...
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0answers
14 views

LXC-Routing between containers

I have a pretty default lxc-setup with one host and several containers. One container webfrontend is getting all host-traffic on ports 80 and 443 via DNATing the ports. An nginx on webfrontend decides ...
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0answers
14 views

How do I remove an entry from IP address resolution?

On OS X, I am swapping devices using Thunderbolt Ethernet and often find that I'm unable to connect for some time to newly added devices. The cause seems to be that the interface (I apologize if I ...
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2answers
36 views

How to test internet connection quality over time?

I started noticing some lag while watching YouTube and Twitch and after running ping in background identified that there was some connection drops or slowdowns. I called my ISP and they are sending a ...
0
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1answer
16 views

How to use colleagues systems as servers to run Storm

At times when connectivity to the internet is not very good or unavailable, my colleagues and I are considering using each other's laptops as servers (Storm supervisor nodes), to run our Apache Storm ...
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4answers
61 views

Connect to modem with a different IP range

my home network is connected to an Asus RT-AC88U router. The IP addresses are in the range of 10.20.30.X, with 10.20.30.1 assigned to the router. On the WAN port of the Asus router it is connected ...
0
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1answer
19 views

Allowing IKEv2 on Windows Firewall

I am using a VPN service from a company that offers IKEv2 VPN. I tried enabling it in the Windows Firewall by allowing UDP ports 500 and 4500. I also allowed Protocol number 50 and 51 without luck. I ...
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1answer
33 views

How can I do DNAT and SNAT on Windows 7?

I have a very old program which uses a fixed IP address as destination. I'm trying to revamp my network into something more modern but this legacy system is holding me back. As a simple solution, I ...
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0answers
46 views

Enabling DHCP via PowerShell results in 2 WiFi connections to same network

I have a VM on my network setup as a gateway that I use sometimes, while most of the time I just leave my PCs configured to use DHCP and just have everything go through the router. I had been swapping ...
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0answers
52 views

Windows Explorer Slow on LAN in Windows 10

I've recently upgraded from Win7 to Win10 and have noticed something very peculiar. I have a Windows 2012 R2 Server working as Domain Controller/DHCP/DNS/File Sharing Server and noticed that browsing ...
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1answer
29 views

How can I observe all network traffic to and from a certain domain in OSX?

I'd like to observe requests from my machine to certain domains and optionally insert my own canned responses instead of the ones they provide. eg: any GET request to api.googlemaps.com I intercept ...
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1answer
23 views

Connecting a Wireless Access Point to a modem?

I don't have a router. The modem works perfectly (Arris TM1602) with wired connections. The access point (Trendnet TEW-230APB) is broadcasting the SSID, but my laptop cannot connect to the wireless ...
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1answer
26 views

Wifi adapter not working Kali linux

I have searched alot and everywhere the issues are with the kali os ran through virtual machines. I have installed Kali linux latest version 2016.1 on my laptop. And its the single os on my laptop, ...
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2answers
94 views

Windows 10 Update blocks my Internet connection completely

I always thought that Windows update is somewhat reluctant when it comes to network bandwidth, and runs at low priority. Not so on the update it installed today, I have to say that my DSL line only ...
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0answers
6 views

Puppet Firewall Module and regexp for the interface name

i want to apply an an firewall rule on a linux hosts with the puppet firewall module. (The module is working i have many other rules successfully applied) The interface (outiface) should be defined ...
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0answers
9 views

Why loading a webpage with iptable allowing only HTTP is so slow?

I'm using iptables to forbid every OUTPUT connection except the one using HTTP, so here is my iptable: Chain INPUT (policy ACCEPT) target prot opt source destination Chain ...
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0answers
17 views

How to stop Excel “trying to connect to <my file server>” and make it just save the file?

Client: Excel 2007 on Windows 7. Server: Samba 4.1.17+dfsg-2+deb8u2 on Debian Jessie/AMD64 When opening files from a network location: Excel takes a very long time to start opening the file (...
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0answers
22 views

What is the TIME overhead for IPsec?

WHAT I NEED I am trying to determine the 1) TIME overhead and 2) stability of an IPsec connection. Assume tunnel mode with 128-bit AES encryption and 256-bit SHA1 HMAC verification/authentication. ...
0
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1answer
21 views

accessing network over wifi, but unable to set router as repeater?

I am dealing with this issue currently, where I access the internal company network with a cable connection. Others are using a separate wifi connection (not part of the internal network). I want to ...
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0answers
15 views

How to judge the current network is 10 Gigabit Ethernet on macOS development? [on hold]

How to judge the current network is Gigabit Ethernet or 10 Gigabit Ethernet on mac application layer. Prefer API.
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0answers
32 views

Can't get open ports for a server (possibly modem related)

I am attempting to host an Unturned server. It is running from a dedicated box on my local network. I have correctly port forwarded on my Netgear router. My modem (Thompson ST5) also has an option for ...
0
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1answer
17 views

OpenWRT - how to convert failsafe mode to normal boot?

I know that sounds strange. Here's some background: OpenWRT - how to do initial login (ssh) if 192.168.1.1 can't be routed? Essentially, I flashed openWRT and the normal boot mode is broken. I ...
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1answer
49 views

Windows XP in VMWare Workstation has no Internet

Using Windows XP ISO in VMWare Workstation Player 12. No matter what I do, I cannot connect to Internet from the Virtual OS. What I have tried Disabled Windows XP Firewall Disabled and Enabled the ...
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0answers
23 views

Tremor Games won't let me log in [closed]

I use a site called Tremor Games where I can earn points to get free Steam items, games, trading cards, etc. The problem is I can't login anymore because the site thinks I'm using a proxy, but I swear ...
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2answers
21 views

Flushed my routing table and internet no longer works, how to repair

I was trying things with the routing table, wanted to delete a rule I just added and thought it was easy like with iptables and flushed the table. Now I no longer have a connection. When I ping ...
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2answers
19 views

Access Home Network from an External IP Address

So I'm tapping into the PhilipsHue API to turn on/off. However, I can only do this on my home's internal network and so I want to be able to access it from the outside so here is what I tried after ...
12
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1answer
602 views

Secure LAN within existing office LAN

First things first, I was gonna post this on Server Fault but honestly, I'm no network admin, I'm a CS student who has been called upon to sort something out for a very small family business who have ...