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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Communicating with a WiFi router from terminal

I bought a WiFi router that uses SIM card while in another country. This router uses html interface that can be accessed from a browser. That way you are able to communicate with the router and ...
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0answers
6 views

I'm connected to unwanted Ip's derivated from chinese tencent virus. Want to remove them ASAP

I got a virus a couple of days ago and went through a good cleaning process in order to get rid of all that. I used MwB to do most of the work, then proceeded to eliminate the remaining files. I ...
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0answers
9 views

Traffic Monitoring in an internal network of Virtual Machines

I am using VirtualBox to set up a small testing lab. My host OS is Ubuntu 14.04, all three guest OS are Lubuntu 16.04. As already mentioned I have three VMs: Alice, Bob and Mallory. They are ...
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0answers
15 views

traceroute - 10.* and 172.30.* - where am I really?

First addresses for a tracert is 10.* and 172.30.* I know these are reserved private address. For 10., where am I ? Am I alone in the modem ? Or am I IN my ISP router with every ISP customers having ...
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1answer
14 views

On Debian jessie, can I specify which dhcp client is used for a particular interface?

I use the /etc/network/interfaces file on Debian to configure my network interfaces with DHCP. The relevant section looks like this: allow-hotplug eth0 iface eth0 inet dhcp allow-hotplug eth1 iface ...
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0answers
3 views

Disabling Wifi When Tethered

I'm on a Linux Mint laptop that has a rather weak wifi. If I have it next to my netbook, I connect the two via a USB2USB cable and have my Internet connection routed through the netbook (automatically ...
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0answers
10 views

Connect to second router via external IP

I'm trying to setup two routers in my home network, and I'm confused here. I want to have access in Admin-Panel Router 2 from external (not in local network, but from mobile for example). I tried ...
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1answer
16 views

Loads of outgoing udp requests to dns server?

So for some reason my machine is making tons of UDP requests on port 53 to 8.8.8.8 and 8.8.4.4 (google dns). Is there some way to find out what's causing this? We're trying to clean up traffic on our ...
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0answers
8 views

netgear WNR2000v4 SquashFS read-only file system

I've made it this far in trying to get openWRT on my netgear WNR2000v4. I got telnet enabled, and downgraded the firmware to do that. I set up my tftp server to be able to send files. however, now, ...
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1answer
16 views

Find third and n-th level domains in a network

In this page an example about how domain naming works is provided. The second-level domain is utexas.edu, then some third and fourth level domains are listed, like computerstore.utexas.edu and ...
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26 views

Why some websites don't work properly?

I have Asus RT-AC87U router connected to internet via Huawei E3372 USB modem. When connecting Huawei directly to my PC, everything works fine When connected via Asus router AND using VPN, everything ...
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22 views

loss of Internet traffic via network security device

I can't get any Internet traffic in bridge mode. I'm using network security device named "Shield" made by Itus Networks which went out of business. The device is based on a Cavium Octeon Dual-Core ...
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0answers
11 views

Unable to find traffic for specific device w/ Wireshark (over Wi-Fi)

I have a device communicating with a TCP server running on my machine. My machine is normally connected to the network via ethernet, however I also have a wireless adapter that I can use to connect to ...
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1answer
33 views

what makes ping high?

We've got a slowish broadband non fibre connection c. 10mbps up, 1mbps down. It should be ok for everyday browsing for 1 or 2 people but we are trying to use it for 5 people at once all syncing large ...
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1answer
1k views

Bypass “302 Found” ISP redirecton

I was goofing around with a usb broadband modem(sim card modem) I used a sim card with no current subscribed data plan.On opening google.com I was redirected to the "Buy A data plan Page"(Page to buy ...
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0answers
8 views

No network access over OpenVPN

I was using OpenVPN-NL on a new Windows 10 machine for a while and it was working fine. Since yesterday, I can connect to the server but there is no network access whatsoever. I can not even ping ...
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0answers
11 views

How force the Client Bacula execute over a specific interface?

my first question here. I have the following backup below: Bacula 5.2 - Ubuntu Server 12 192.168.1.113 Oracle database - Oracle Linux 5.7 192.168.1.24 - eth0 - Used for ERP ...
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1answer
3 views

How would I do a GET and parameters requests in ncat using udp?

I'm trying to learn the difference between http and udp. So how would I request via udp: udp://server/path_name?param1=value1&param2=value2 Theoretically is that kind of thing possible or am I ...
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0answers
18 views

Join.Me disrupts network connectivity

I have a desktop computer that is wired to my home network. I normally have no issues with network connectivity (and have a high-speed internet connection, over 100Mbps down and around 20Mbps up). ...
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4answers
40 views

Multiple tabs of a browser

Since unique port numbers are assigned to each of the different processes related to network which are going on a system.So,my question is that,if multiple tabs are open in a browser then will ...
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0answers
19 views

Inbound and outbound firewall rules

I am in the middle of writing a Powershell script to configure DMZ servers on Windows Firewall for 2012 R2. Looking at some older scripts I have written I seem to have added a lot of inbound firewall ...
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1answer
22 views

My access point router stopped connecting to the internet at the stroke of midnight and now I can't seem to bring it back

Today I purchased an Archer C8 to setup an access point across the building that I am currently living in. I followed the steps from this article ...
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0answers
22 views

2-Pair Ethernet Cable works only on one specific router

I have an IP video doorbell that connects using a 2-pair telephone line. I have managed to connect it to my DSL router (Linksys WAG320N) successfully and connection is working fine with live streaming ...
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2answers
35 views

How is the Firewall taking priority over other applications when the PC first boots?

How is the Firewall taking priority over other applications when the PC first boots? How is the priority given,is it through a kernel driver? I'm using Comodo Firewall and I see that the Spotify app ...
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2answers
31 views

Home LAN ping problems

I've following home LAN structure: I'm trying to ping PC2 (192.168.1.2) from PC1 (192.168.0.11) but without success. What should i do to be able to ping it? Should i configure the routing table on ...
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1answer
31 views

IPv6 conflict on same network

My requirement is, i am trying create a graphical user interface for my embedded system for ipv6.So i have option for setting manual IPv6 address.My requirement is when i enter manual IPV6 address,i ...
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1answer
13 views

Openoffice access files on NFS extremely slow and can not save file

I am using a Debian 7 box. I have an NFS network drive mounted on my "/mnt/drive_R". Everything works fine except Apache openoffice 4.1 and LibreOffice 3.5, yes I tried both version of openoffice. I ...
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0answers
34 views

How to troubleshoot ERR_CONNECTION_TIMED_OUT for my site?

What is the correct way to troubleshoot error from the title? It's happenning randomly: sometimes site works flawlessly, and sometimes you get the "Connecting..." text in browser's status bar when ...
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0answers
32 views

iptables should block ssh, but port is still open

I am trying to get the port knocking service working on my raspberry pi. I have edited my iptables rules to block incoming traffic, but I can still ssh into the pi from my macbook. I should NOT be ...
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0answers
17 views

Roaming between Access Points, incorrect routing?

Network setup My current network setup is as follows, a Main Router followed by a series of two Access Points: Router <---> AP1 <---> AP2 The two access points are routers wired via ...
1
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2answers
29 views

Is this subnetted IP address valid?

I'm learning subnetting at the moment and I'm unsure whether this is considered a valid IP address. 150.16.5.255/21 My teacher asserts that this is invalid because it is a broadcast address of one ...
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1answer
34 views

Strange behavior on home internet

We recently had a new modem sent to us from our ISP (Armstrong). We hooked it up and tested it out and bam! We had double, almost triple the internet speed we had previously. As you could imagine, I ...
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13 views

What is the correct syntax to set Signal to noise (SNR) offset or target noise margin in ZyXel AMG1202 t10b

I tried to find CLI reference for my router (ZyXel AMG1202 t10b) but couldn't find it on their website (there is for older and newer models but not for this one) I already contacted their support but ...
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0answers
16 views

How do I connect to a L2TP VPN through multiple routers?

I have a very simple home network with a computer and two routers connected in a chain. The first router simply acts as a kind of extension/wired access point and the second router connects to the ...
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0answers
11 views

HP Laserjet printers do not work in a specific office network, works in others

We have a HP LJ 3055 at a branch office which stopped printing. Replacement LJ 3055 also didn't work there. RAW, port 9100. Printing problems affect a single LAN. Same printers work in other office. ...
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0answers
23 views

VirtualBox won't forward port 80

Windows 8.1x64 host, Debian 8.3 guest. I've got 2 network adapters set up: 1st is NAT and 2nd is Host-only. I have set up port forwarding for ports 22 and 80 for NAT adapter. Port 22 works (meaning I ...
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0answers
25 views

network fails to start at boot time

I'm installing arch linux on a new computer, following the arch wiki instructions. But the networks fails to start at boot time; Here's the output of 'journalctl -xe | grep network' : mai 03 ...
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1answer
18 views

Can ONLY connect to ports http:80 and https:443?

I'm sorry if I'm posting in the wrong forum, new here. I have a problem where I can only connect to the standard http port 80 and https port 443. I can access websites perfectly and play videos and ...
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1answer
61 views

How can I extend the length of an ethernet cable?

How can I extend the length of an ethernet cable? Are there repeaters for ethernet cables or should I go with fibre or something else? I have the following problem, the network connectivity stops to ...
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0answers
32 views

FreeRADIUS 3.0.11 ignoring Access-Request from one NIC interface

I've installed FreeRADIUS 3.0.11 to Ubuntu Server 16.04. The Ubuntu Server runs on a ESXi virtual machine. The virtual machine has two NICs. One is for connecting to an admin network, the other one is ...
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0answers
16 views

Remotely monitor system temperatures

I want to display my system information on another device, such as temperatures, cpu usage...etc For the sake of a question that is not too broad, I want to know how to remotely view my temps. If ...
0
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1answer
17 views

Wake on Lan only working if computer shut off recently

I set up WOL on my desktop so I can access some of the programs on it remotely when I need to without leaving it on. I tested it by turning the computer off and sending the magic packet from my laptop ...
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2answers
33 views

Can I use a VPN for remote access with private addresses

I have a local network that's configured with private IP addresses but I don't have NAT. I want to connect to a remote location using a VPN. Is this possible and if so, how do I do it and which ...
2
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3answers
30 views

Options for subnet w/o internet access accessible by all computers on network w/ internet

Net diagram: I want a computer on my 'normal' network N1 (where all machines have internet access) to also simultaneously be able to connect to N2, a 'subnet' (not sure if this is the right word?) ...
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1answer
34 views

Connecting Two PCs using wifi or ethernet cable using Ip addresses

I am having a problem connecting two PCs using either wifi or ethernet cable, both PCs have Windows 7 installed. I read on the internet that you have to change the IP addresses and then just share ...
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0answers
21 views

How to access to my FTP server outside and inside home?

I couldn't find out how to access my ftp server. I searched a lot on Google but I have not found anything useful. I configured my ftp server in Filezilla and eveything works fine but I can only ...
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4answers
32 views

How can I log the IPs that processes on my computer are connecting to?

My firewall is saying that my Windows 7 PC is connecting outbound to several suspicious IP addresses in a foreign country. I've run 5 different virus/malware scans, but I'm clean. How can I ...
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0answers
28 views

How to disable Kaspersky repetitive null requests showing on Chrome's Network Developer Tool?

Kaspersky creates repetitive requests appearing annoyingly on the Developer Tools > Network on any webpage I try to analyze. I'm looking for disabling Kasersky requests to appear at all. That is to ...
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2answers
39 views

Windows 10: Cannot connect to HTTPS web sites using Internet Explorer

After a clean install of Windows 10 Pro on a new machine, I cannot access HTTPS web sites using Internet Explorer 11. Both Chrome and Edge work fine! HTTP web sites in Internet Explorer work fine! ...
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0answers
10 views

Windows Network Policy Server is not logging bad passwords in NPS logs

I have an NPS server for RADIUS from an Aruba controller. Accounting and authentication logging is turned on and working, except for when the logon fails because of bad password. Security Logs All ...