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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0
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2answers
28 views

SSH connector service

I have a number of linux computers at home, at uni, and my android phone. I'd like some way to be able to SSH to any one of them at any time, but they're all hidden behind different networks, and they ...
-1
votes
0answers
9 views

Manually switching between two networks when one network is down

In my company we are having a business line and leased line connected to different routers.Business line is used by all the users in the company whereas leased line is used for 15 computers.So my ...
0
votes
2answers
20 views

Record All IP's Forwarded To Port

I have a Netgear WNDR 4300 and have multiple ports forwarded for RDC, Websites, Web Streaming excetera. Is there a way (I am open to using DDWRT if that is the only way) - to capture IP Addresses ...
0
votes
1answer
3k views

How to increase squid Performance

I have installed squid3.1.19 and divert all traffic from our network to proxy server from mikrotik router. mikrotik router is the final gateway for our network. After I configure squid, internet ...
1
vote
1answer
38 views

connect two consecutive proxy servers

According to this question: How to use two consecutive proxies? I can configure a proxy server(A) to route the requests into a second proxy server(B) only if proxy server(A) lets me to do this. I ...
1
vote
1answer
3k views

Getting FTP working on an Azure VM, connection closed

I'm struggling to connect to FTP on a new VM in Azure. I made a new Virtual Machine from the default image (Windows Server 2012 Datacenter) and RDPed into the new VM. I then enabled the Web Server (...
0
votes
4answers
35 views

DHCP shuffling of addresses

So, devices using DHCP to locally connect to my router can have their LAN IP addresses changed if not set to static, and my understanding is that DHCP occasionally re-allocates these addresses by ...
0
votes
1answer
98 views

Strange web traffic issues with Apple servers from Dubai

I know this is rather unorthodox for SU but this thing has been really puzzling me... For the last 3 days, all traffic from my home to Apple servers has been erratic at best, including : access to ...
-2
votes
3answers
64 views

How does an ISP have partial internet outage?

It has been 3 days, and the ISP I am subscribed to is having a partial internet outage. It can load a few websites; StackExchange (which I am using now), Google, YouTube, and Reddit works. However, ...
0
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1answer
12 views

Connecting To Amazon EC2 through separate WiFi at same time using Ethernet for HTTP Traffic

I am currently in a university Network which allows connection to INTERNET via HTTP/HTTPS proxy . which looks like 10.3.100.207:8080 All I needed is to connect to Amazon EC2 Instance via separate ...
-1
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0answers
20 views

Decrypting TLS Browser Traffic With Wireshark - Body is still encrypted

I was trying to reverse engineer a protocol using wireshark. I followed this article and tried to decrypt TLS Browser Traffic using SSLKEYLOGFILE since decrypting using private key didn't work for me. ...
0
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2answers
32 views

What is the data route inside computer while downloading/processing a file

I was wondering that whether all the data in Computer has to go through the Processor or are there any Bypass Routes(like DMA) through which data goes. Consider following cases : While downloading ...
0
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0answers
19 views

macvlan dropping unicast frames (layer 2) on wireless

Prerequisites: Two PCs (Debian 8, Kernel 4.6.4) each has two NICs: eth0: wired [1] wlan1-ath9k: wireless [2] I also tested the same thing with ath5k cards [3] I have a C++ application which ...
3
votes
0answers
48 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 ...
0
votes
0answers
33 views

UPnP port forwarding with DHCP

I'm trying to set up UPnP port forwarding with a DHCP router for an IP Camera. There were a couple things I was wondering: The main issue was whether port forwarding with UPnP continues to ...
0
votes
1answer
22 views

After adding Host Only Network to VirtualBox machine on Mac Host how to ssh into the Guest

I have added “Host Only Network” as the second network interface on VirtualBox 5.0.24 on Mac. the Guest OS is Centos6. Here are the relevant VirtualBox networks as seen via ifconfig on my Mac: ...
1
vote
2answers
26 views

Device reachable but not pingable

In a domestic LAN I have a TV connected to a router via copper straight cable and a PC connected wirelessly. I stream stuff to the TV from the PC using DLNA. So the TV is somehow known to the PC, it ...
1
vote
1answer
20 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 ...
0
votes
1answer
24 views

Chrome can't connect to Internet after installing Canary

Chrome 52 came our with messed up font rendering (I'm on Windows 7 64). Someone recommended to install Chrome Canary to check if the font issue is still there. After installing Canary, it couldn't ...
1
vote
2answers
103 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 ...
1
vote
1answer
2k views

linux drops packet when trying to route it - why?

I track packets using LOG targets for all chains of all tables and the last chain I see my packet in is the POSTROUTING chain of the mangle table: mangle_PREROUTING: IN=eth0 OUT= MAC=00:16:3e:0f:01:...
0
votes
0answers
21 views

How should I set up my network to allow Airport Express AirPlay over the internet?

I'm working on a project where my goal is to programmatically play sounds using my Airport Express as a poor man's wireless audio client. I found a ruby library and was able to implement it using my ...
0
votes
2answers
6k views

How do I put my wireless interface back into managed mode from monitor mode in Mac OS X without rebooting?

On Mac OS X, I can turn my wireless interface in monitor mode, as explained in a 2007 OSXdaily article. I can also use the integrated Wireless Diagnostics utility to do so. Unfortunately, none of ...
0
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0answers
13 views

What implications might it have that I have 2 networks when offline but 3 when online in Linux?

Could this be causing network problems? enpxxx and lo when offline and enpxxx and lo and ppp0 when online. Note that I edited out the end of enp as it is not xxx originally. Is this normal? If not,...
0
votes
2answers
10k views

How to fix “Reset the Local Area Connection errors”

I'm getting errors saying Reset the Local Area Connection - doesn't have a valid configuration or No Internet Access or Reset Network Adapter on Windows 7. Microsoft solves the problems, then in come ...
1
vote
1answer
2k views

iperf returning “bind failed: cannot assign requested address” in Windows XP and 7

I am trying to set up iperf on an old HP server running Windows XP Professional to test multicast, but whenever I issue the command iperf -s -u -B <ip address>, it returns: bind failed: ...
0
votes
2answers
190 views

Speed difference between USB and Thunderbolt Ethernet adaptors?

Ive just brought a new macbook pro and realised it doens't have an ethernet input. My office doens't have reliable wifi so I need to buy an adapter. Is there a speed difference between a USB to ...
11
votes
5answers
12k views

What other IP addresses can/should I use for my home network?

I've been using 192.168.1.x for my home network, which has been perfectly happy for quite some time. However, I just started a new job, and they use the same set of IP addresses when I connect over ...
0
votes
1answer
7 views

How to proxy request to a given domain name to a local port?

I want to make it so that when I perform a request to test.com, it will be redirected to localhost:3001. How can this be done in MacOS? I know that there is /etc/hosts but it's only concerned with ...
1
vote
1answer
47 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 ...
0
votes
0answers
11 views

password protected sharing option does not exist in my windows server 2012R2

I have given 'everyone' all permissions to the shared folder of my windows server 2012R2, but when I used a client machine such as windows 7/10 to access the shared folder, I still got a user/password ...
0
votes
1answer
38 views

Connecting an ethernet only device to a WiFi only network

I've run into a bit of a predicatment, I have an ethernet only device, an Epson thermal printer for a POS system, that needs to be connected to a wireless only network. The reason it can only be ...
0
votes
1answer
3k 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 http://windows.microsoft.com/en-gb/windows-vista/copy-files-to-another-...
0
votes
2answers
4k views

Connect to another PC on Local Network on another domain

I am on a local network that consists of 2 domains: domain1 and domain2. Now I want to connect to an ip address: 192.168.40.40 that belongs to domain2, and I am currently on domain1. So when I do ...
0
votes
0answers
29 views

Router getting cut off

When my roommate tries to connect to the wifi from his room, the router cut off. I think the problem is only when a device is in his room. We are having no issues while using the internet in the hall ...
4
votes
2answers
1k views

In Windows 8, How do I make a static IP for each network?

I would like to have it so that my computer sets its IP address statically depending on which network that it is connected to. I have 3 Networks that I regularly use and it seems that with Windows I ...
0
votes
1answer
31 views

Router can't handle my ISP's download bandwidth over LAN, how do I find a replacement that can?

I have a router (ASUS RT-N16; QoS is off) that is running Tomato. With my router, I get roughly 120 Mbps in speed tests. However, when connected directly to the modem (without any router), I can get ...
2
votes
1answer
83 views

Firefox is always using proxy server when entering single hostname

We have the following problem here: When entering a single hostname without suffix in Firefox the browser will always attempt to send this request to our proxy server. The proxy server itself is in a ...
0
votes
0answers
17 views

After restart file ETC/HOSTS Change Automatically Windows 10 [duplicate]

Please Help Me I edited Hosts file on windows 10 like this : 172.28.201.126 bi.bpjsketenagakerjaan.go.id 172.28.201.97 bpu-online.bpjsketenagakerjaan.go.id 222.124.14.129 mail.bpjsketenagakerjaan....
0
votes
0answers
13 views

Promiscuous Mode On Surface Dock Ethernet NIC

I'm trying to use Wireshark promiscuous mode with a Surface Pro 4 and Surface Dock Ethernet interface, but it doesn't seem to work. How can I enable promiscuous mode using the Surface Dock? Is it ...
1
vote
1answer
3k views

How to tell if I'm using 802.11AC?

I have an ASUS USB-AC53 wireless adapter, with a Netgear 6300v2. The speeds are OK. There is 2 drywall walls separating the computer from the router, and only about 20ft. The signal strength and all ...
5
votes
2answers
40k views

How can I determine the MAC address for a NIC in CentOS without using ifconfig?

CentOS 5.5 One of my CenTOS systems recently booted with the following error: "Bringing up interface eth0: Device eth0 has difference MAC address than expected. ignoring." When I run ifconfig -a ...
10
votes
3answers
22k views

How can I see 127.0.0.1 traffic on Windows using Wireshark?

Every time I try to filter to just show a specific IP address, I get an error indicating that it is "not an interface or a field." I have no idea what that means. Furthermore, I don’t really see any ...
6
votes
3answers
8k views

Why subnet mask for IP 10.0.1.4 is 255.255.255.0?

Well I'm not sure whether I'm missing something here. But all I've read is that if first octet of IP is within 0 - 127 then it is categorized as Class A subnet and correspondingly Subnet Mask for ...
0
votes
0answers
20 views

ASUS RT-N66R won't allow port forwarding of 80

Has anyone else tried to port forward outside port 80 to inside port 80 on an ASUS RT-N66R? I just spent 3 hours trying to get a new web server functioning from the internet (which I've done quite a ...
2
votes
1answer
37 views

Internet stops working when using static IP

I am running windows 8.1 and I am trying to configure a static IP address for server hosting. Without using a static IP address, my IPV4 properties are these: And the internet and web work fine. ...
2
votes
0answers
27 views

I cannot determine hostname of remote machine, but my local DHCP server can

I have 3 devices in my network - my PC and 2 self-made devices. My PC serves as DHCP server for devices. All this is connected via ethernet and switch. DHCP server shows valid hostnames of devices: ...
0
votes
1answer
42 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? [closed]

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: ...
3
votes
3answers
4k views

Prevent Windows From Creating New Network Names when Tethering with Android

How can I stop Windows 7 Home Premium from creating new network names each time I tether my Samsung Tablet to my Laptop using Androids USB Tethering Option? Yesterday, it was Network 10. Each time I ...
1
vote
2answers
43 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 ...