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Questions tagged [networking]

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

3
votes
1answer
3k views

SYN-ACK not received

On a standard TCP connection between server and client, I have this issue: the SYN-ACK is not received from the client, while it is sent from the server. I could see this on Wireshark from both server ...
0
votes
1answer
3k views

Faster folder transfer over WiFi network

I have two PCs, one is connected to my router NetGear DGN3500 directly with cable and the other through WiFi interface, this PC can not be connected with direct cable and it also the PC has the ...
0
votes
1answer
3k views

How to stop IIS from listening port 80 on specific IP?

My server has numerous IPs and IIS running numerous sites. I need to free one specific IP from IIS listening port 80. How to do that? I can't manually open each site bindings and see if it is using ...
0
votes
0answers
9 views

How do I bridge two wi-Fi adapters on Linux

I have two problems in my project, I am setting up a Linux system using Ubuntu version 16.4. I intend to use this as a repeater / extender wireless. I am trying to create a bridge from wi-fi to wi-fi ...
0
votes
0answers
6 views

Tplink AC1750 as main router and AC3200 as access point

I have two tp-links at home one Archer c7 1750 and one Archer C3200. Due some reasons I cannot have the Archer C3200 directly connected to my ISP modem. So I configured the C7 as my main router, ...
1
vote
0answers
5 views

dnsmasq is providing the same IP to two different clients

Consider the following dnsmasq config (used for a VPN server which is on a tap interface tap_vpn0): dhcp-ignore-names dhcp-generate-names dhcp-sequential-ip interface=tap_vpn0 dhcp-range=192.168.120....
0
votes
0answers
7 views

Can't connect to shared folders on Win 7 computer from Win 10 on local network

Things I've tried: On Win 7 computer - it's a home network (not public), advanced sharing settings all set as permissively as possible, shared folders have the following groups set to "FULL CONTROL" ...
0
votes
0answers
7 views

Two router's, same network, different SSID's and password's [on hold]

I have not purchased the routers yet but have been looking at ones that support VPN. Router #1 would support wireless cameras, thermostat, smart TV's & needs access to internet so notifications ...
0
votes
0answers
7 views

Completely Remove Network Adapter and settings on Server Core

I have a server that had some problems with it's network adapters. It suddenly was very slow to remote into it or access it's shares. It then progressed to not utilizing it's IP Address and showed 169....
0
votes
1answer
11 views

Which VPN protocol is my Windows OS using? [on hold]

The scenario is, I've been given FQDN, username and password for a VPN connection to my place of work. This suffices for Windows 10 as it tries all protocols until it connects, from most secure to ...
1
vote
1answer
10 views

Relative transmission delay to propagation delay

I was given the following problem: Assume propagation delay is less than transmission delay on a link connecting host A to B. If host A starts transmission at t=0, at time equal to transmission ...
0
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0answers
5 views

using airodump on kali linux gives me no #data and doesn't give me a handshake key either

After a week of troubleshooting, trying different WiFi cards I can't seem to get any data or handshake from using airodump-ng. Here is the code I use. airmon-ng start wlan0 airodump-ng --bssid (...
0
votes
1answer
17 views

is there a way to port forward two routers?

i have two routers Router 1 connected to the network and Router 2 connects Ethernet to Router 1 and also Ethernet to me Router 1 is DHCP and router 2 is also DHCP (Linksys) so i watched a video on ...
-2
votes
0answers
17 views

Understanding PSU, PDU, and UPS electrical connection to server?

So I am trying to understand how to connect server with electricity, keeping redundancy in mind. I have the following components, 2 PDU, 2 UPS, and a server with 2 PSU. My understanding is as ...
1
vote
0answers
21 views

How to properly setup my home WiFi?

I am trying to my weak WiFi signal in my house. I have Internet with Frontier. Their modem is on the side of my house and a CAT5 cable goes from the modem to a 28" LeGrand On-Q Enclosure with Hinged ...
0
votes
0answers
6 views

Port Forwarding does not work, when I test my ports they are open, but no connection through IP [on hold]

I am attempting to port forward with a port for Minecraft; 25565. Be that as it may, when I attempt to associate when I put in my switches IP, it will endeavor to ping it for around 15 seconds and ...
0
votes
0answers
11 views

Modem - lan wired - router

My Router cant connect to modem.. After a years (without issue) using thosse hardware, sudenly my router cant connect to modem..(the light on router turns red, the light on modem stop blinking) I can ...
2
votes
1answer
58 views

How does someone obtain a large block of IPv6 adresses?

I've been inspired by the "IPv6 enabled Christmas tree" featured on Hackaday.io a few weeks back featuring an led display that uses 300 billion IPv6 addresses to allow users to control it. My ...
0
votes
0answers
10 views

Allow LAN access between devices on two different LANs

My current setup: 4G WiFi modem/router with Ethernet ports - Media devices (Chromecast, phones etc) ADSL modem into WiFi/Ethernet router - Latency sensitive devices (PC/game consoles etc) Reason ...
0
votes
1answer
2k views

Router is inaccessible, inexplicably giving IPv6 gateway

So I've been using this Router/Modem from my cable company for about a year now. I accidentally unplugged it earlier today, and now while I can access the Internet through a wired connection, my Wi-Fi ...
-1
votes
0answers
9 views

Steel Series Engine Not Working

2019-01-19T06:34:58.403Z: Encountered error during sockets.retryConnection (ws://default@127.0.0.1:50813/sock) 2019-01-19T06:36:51.929Z: Encountered error during sockets.retryConnection (ws://...
0
votes
1answer
14 views

Bridged VirtualBox VM cannot ping LAN, duplicate IP for guest and host

Host: Windows 10 64-bit Guest: Ubuntu 16.04 32-bit Networking: Wireless. Home network. Host can ping Guest, and Guest can ping Host. Guest can also ping router. However, when I ping from my Guest ...
0
votes
0answers
8 views

Windows-Creating Virtual Interface Over a Single Physical Interface

===== Little bit Background (Why I want to do this) ===== My Local Cable Operator (LCO) provides last mile infrastructure for 2 different ISPs. Let's say, ISP-1 and ISP-2. Customers can pay for any ...
2
votes
1answer
16 views

Share PC internet with Android and then through WiFi-HotSpot

The setup: PC with internet connection. (Windows and Linux OS) Android phone without internet. Another device without internet, that I want to connect to internet through WiFi from first Android ...
0
votes
0answers
18 views

Socket Connection Refused while VPN connected

My problem is that after I connect my Computer to a VPN Network with Port Forwarding Service, I cannot connect from this Connection to the external VPN IP Address from itself. Client A + VPN + ...
1
vote
1answer
958 views

Force browser (Chrome OR FireFox) to use specific network interface

I need to be able to view pages of my website from outside our network. I need to be able to use separate nameservers as well. Ive found the easiest way is to just launch an SSH tunnel, then I can ...
0
votes
0answers
22 views

Nginx reverse proxy to ip address with a same domain name

Let's say, I have DEV, TEST, QA and PRODUCTION servers for 'custom.domain.com'. In public, DNS servers probably have CNAME(or A Record) to PRODUCTION servers. In my local box, I want to run E2E ...
1
vote
0answers
36 views

No connection with new Ethernet wiring when plugging in an Nvidia shield [on hold]

I ran my own ethernet cable yesterday to my living room, with the sole purpose being it would connect straight to my Nvidia shield. I ran line last night, no problems. This morning, no problems. ...
0
votes
2answers
3k views

Router Config IP Rejected

I'm currently using a D-Link DIR-601 router, and up until now, I have had very few problems with it. I've connected to the router control panel before using the IP 192.168.0.1. However, sometimes I ...
2
votes
0answers
29 views

Windows 10 connection to wifi keeps failing

I just installed a fresh copy of Windows 10. I wish I listened to people who advised against it. The largest issue with the OS is that after about a minute, the connection to WiFi stops working. The ...
0
votes
1answer
72 views

Fake MAC Address for old software license

Win 10 x64. I have an old software licence that is locked to a MAC address. If I create a VM, and use the Host to define the MAC address on the vNIC, then the software activates normally. If I use ...
1
vote
0answers
23 views

NFS Server IPv6 best practices?

I have a NFS server that only has exports for 10.0.0.0/16. I'm enabling IPv6 on all my network (homelab network), and want to switch all services to prefer ipv6 if possible. With that being said, ...
1
vote
0answers
17 views

Sending Windows Messages from remote Unix terminal

I want to use Windows Messages to turn off my monitors (using WM_SYSCOMMAND, SC_MONITORPOWER). This is a popular topic among AHK threads, achieved by using SendMessage, 0x112, 0xF170, 2,, Program ...
1
vote
0answers
10 views

How to setup TOR as a network interface for VMs on Mac OS Mojave?

I am using VirtualBox and Whonix to create a secure way of letting a VM communicate only through TOR. However, I would like to setup TOR on the host Mac OS as a network interface so it can be selected ...
0
votes
0answers
37 views

Network not working for some domains only on one device

A few days ago my wireless stopped working for most domains. Some domains that still work are google, facebook, youtube. Notworking examples: stripe.com, stackoverflow.com, slack.com The problem ...
0
votes
3answers
34 views

Windows 7 completely inaccessible from local Network

I'm currently using Windows 7 Ultimate, 64-bit as a server. I use many applications like SSH, FTP server, VNC, Apache/PHP, Webdav Server. All of a sudden, my apps became completely inaccessible from ...
-1
votes
0answers
28 views

VBA check existing file timestamp on network

I don't know how or where to start & Excel VBA MsgBox doesn't help me at all. My employer has a shared excel file that multiple people access & use on a network & saving has become an ...
1
vote
3answers
4k views

Can't access configuration page of TP-Link network expander (TP-AV500)

Probably not the best place to ask, but I need help very badly. So, we bought this TP-Link AV500 to expand our network, but I can't access the configuration page. It should be found under http://...
4
votes
1answer
3k views

What does the output of 'ss -s' mean?

I have a problem understanding the output of the Linux ss (socket statistics) command. I can not understand the meaning of the output of ss -s For example: [root@dls2304-1 ~]# ss -s Total: 973 (...
0
votes
1answer
22 views

Is it possible to make direct ethernet connection between machines with iOS and Fedora? How?

I am trying to connect Macbook and notebook with Fedora using ethernet cable in order to make HTTP request, so far with no success. I am also unable to find any sufficient tutorial (for beginners at ...
0
votes
1answer
31 views

Can't log into router after firmware update

I have a Motorola WiFi Router setup at home MG7700. After the recent firmware update, I am facing some issues with logging into my WiFi router. Whenever I try to log in to the cPanel of my router, ...
1
vote
1answer
48 views

TP-Link Archer C9 shows empty data in advanced dashboard

I'm not sure if it is the right place to ask it, but I could not find much more information on the web about this issue. So, recently I bought a new wi-fi router for my home and I am pretty happy with ...
-2
votes
1answer
24 views

A single MAC Address on my network shows with 2 IPs

I have a network monitoring app on my phone that shows each IP, MAC, and type of device on my network. While inspecting, I noticed that my laptop's MAC Address is repeated in two IPs. I do not run any ...
0
votes
0answers
25 views

Cannot access port forwarding outside of network

I have a home security system made from a Raspberry Pi and I wanted to be able to access it when I am not at home. So I set up port forwarding at the IP address 192.168.1.XX and I forwarded port 80. ...
0
votes
1answer
19 views

OpenVPN over ssh tunnel

I'm trying to connect to my home network using OpenVPN. My router is behind the ISP's router so I'm having a double NAT problem (IP address on WAN port of my router is 10.x.x.x). ISP cannot provide me ...
7
votes
3answers
17k views

Cannot see computers on network

I have three Windows 10 machines on a network, on the same default network: WORKGROUP. One of them can see all three, call it Media-PC. The other two can only see each other but not Media-PC, call ...
0
votes
1answer
22 views

One way access to devices on guest network

I'm trying to configure a guest wireless network on the router asus RT-AC66U_B1. The network's purpose is to host iot devices and and a server running home automation software. I'd like to be able ...
0
votes
0answers
13 views

How do I reset forgotten Tinywall Password?

I setup Tinywall Firewall on a few Windows computers at work. I cant get the password I wrote down to work. Tried looking around for a solution but I cant find any leads so far. How can I reset this ...
0
votes
0answers
21 views

'Amazon workspaces' windows 10 client authenticates but times-out immediately on connecting

I am trying to connect to a amazon work-space windows instance which my client has setup for me to work on. I get the following screen on connecting to it : The work-space opens for a second and then ...
0
votes
1answer
18 views

can we check client certificate of same root ca against multiple crl servers (that each crl generated by same rootca )?

Certificates having 2 crl distribution point both signed by same root ca. What should be crl fetch behaviour? Crl fetched should be concated or overwritten? can we check client certificate of same ...