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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41 views

How to configure two wireless routers (Separated by distance) with the same network?

Hello, I have two wireless routers configured properly following my Internet Service Povider instructions. Our house is composed of two floors and in each floor there is an ADSL socket, to which is ...
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0answers
17 views

Can't connect web server from a port-forward.

I have a web-server that is running fine and anyone on My LAN can connect with it's local I.P. We recently switch to this server from a previous server running Rhel5 our current server is running ...
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0answers
34 views

Corporate user cannot ping computer on network

At my company we are on a corporate network connected with domain main.mycompany.com. I also have a domain-less computer running under my desk that I use for development work as well as running a ...
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1answer
24 views

layer 3 switch with vlans and home router

I have a home wireless router let's say a cisco e2500 and a layer 3 switch with 3 vlans, how can I get them to comunicate? vlans are like this 172.168.10.0 172.168.20.0 172.168.30.0 wireless has ...
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1answer
36 views

Low Throughput and Router Crash

Setup: packet generator (computer A) ——> cat 5 ——> Router (GB/s LAN port) ——> 2.4 Ghz network ——> wireshark (computer B) I’m using Ostinato for mac to generate the packets. I’m giving the packets a ...
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0answers
4 views

Disabling 802.11d outside on a Ruckus network switch cause connectivity issues?

Have a mostly Ruckus AP wifi environment outside the US. Having issues with our Motorola ET1 staying connected after going to sleep, (we have similar setup in other Ruckus environments with no issues)...
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1answer
31 views

How to automatically disconnect and connect to a different wifi network when “no internet”

I have two internet connections & I use with two wifi routers, sometimes one internet connection goes down then how can I automatically connect to my other wifi router(which routing connection ...
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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 ...
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1answer
18 views

How to programmatically restart network account server on Mac?

In Mac -> System Preference -> Users & Groups -> Login Options: At the bottom there is a "Network Account Server" option, I have a few servers running. But occasionally it appears to be red ...
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1answer
29 views

Subnetting Router with Passthrough Modem

In my home, I have a modem connected to the Internet, and I have a wireless router connected to the modem. It was working fine. I took some notes a while back when I first got it configured, but I am ...
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1answer
28 views

prompt for network setup during kickstart installation centos7

I am trying to set the ip manually during kickstart installation using centos 7. During the installation it has to prompt for the network setup. I tried using the below configuration : network --...
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0answers
21 views

How to safely turn off EAP controller and my TP-LINK EAP110 Access Point so that it does not disconnect the access point?

I have a TP-LINK EAP110 Access Point. It is connected to my ADSL modem and NETGEAR WiFi router. Everyday we need to turn the PC, router and access point off. And whenever we start them again in the ...
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1answer
19 views

I can't access second wan router from first router

I have a local wide network around my home and area with two CPE AP. The main router IP address which feed from ADSL is (192.168.1.1) DHCP pool from 2 to 100 I have a cat45 cable from first router ...
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0answers
41 views

Connect from MS-DOS to shared folder

I have problem with connecting to shared folder from MS-DOS. I can easily connect to it from Windows 7. The system I am working on was migrated. Before both computers were in domain and communication ...
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1answer
22 views

Connecting blackbox host to PAN

I got following scheme: /-----\ ------------- ( ISP ) +---------+ / \-----/ | 0 --/ +---------+ | gateway 1 ---------- ...
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0answers
40 views

can router factory reset be compromised? [closed]

Just wondering since all the topics mention that if you believe your router is infected you should do a reset after all other methods. But I wonder if the firmware is compromised, does upgrade the ...
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2answers
40 views

Switch vs Router for Multiple WAN IPs

Our ISP provides a /27 block of IPs. I want to assign 5 IP's to one firewall, 1 IP to another firewall for now. The firewall with 5 IP's will be a Sophos XG - 1 IP will be used for internal network ...
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0answers
31 views

How to get DNSMasq to use remote (OpenVPN) DNS on DD-WRT router?

I have a DD-WRT router with an OpenVPN client. I'm trying to configure the local DNS server on the router to use the DNS server pushed by the OpenVPN server, via the OpenVPN tunnel. Here's what I've ...
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1answer
33 views

Global Proxy for a Network Adapter on Windows

I'm trying to share my Internet Connection with another system over Windows ICS. My system connects to the Internet via WiFi and shares it over to another system over LAN. This works perfectly without ...
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22 views

My Asus laptop running Kali Linux cant connect nor find any wireless networks

So here is the deal. I am running Kali Linux on my Asus laptop. (Dual booting Win 8.1) Now, Linux for some reason, cannot find any wireless networks in the area. Cable connection works just fine. I ...
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0answers
17 views

vmware windows 7 network driver not installed

I´m using VMWare Workstation 12 Player to install a fresh copy of Windows 7 Professional x64 using my current key, so that I can later upgrade it to Windows 10. I´ve created a fresh VM and installed ...
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1answer
27 views

What does (Preferred), (Tentative) and (Duplicate) mean against an IPv4 Address with ipconfig

I have been tinkering with subnets and have noticed the above as annotations to the IPv4 line of ipconfig. IPv4 Address. . . . . . . . . . . : 192.168.1.241(Tentative) IPv4 Address. . . . . . ...
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1answer
22 views

Can't connect HP DeskJet 3050a J610a over WPS to a new Wireless Router

I have this nifty little inkjet printer from HP, but it's unable to connect to my new wireless router ASUS RT-N12 (quite a common one). The only way to connect the printer is via WPS. So, I've tried ...
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2answers
83 views

Intel Wireless-AC 8260 not exposed as network interface on Debian 8

I have been unable to get Debian 8 (Jessie) to install my Wifi Card (GigaByte GC-WB867D-I REV 4.2) as a network adapter. The card is reported as "Supported" by The latest release of Intel's Linux ...
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0answers
26 views

Wireless Networking: WDS Bridge vs AP/Client Bridge

Everything I've read/seen so far leads me to believe that the answer to this question is that these are just two different means to the same end. However, just to be 100% clear, I'm going to ask ...
0
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1answer
54 views

Android proxy bypass local subnet

I am deploying Android 4.4.3 devices to sites, and need a proxy for external internet access as it's a corporate environment. However, each site has a number of web pages hosted locally on the site ...
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2answers
22 views

Different OS's implementations of traceroute

Given that different operating systems may use different packet types (for example: UDP packets, TCP packets, ICMP echo requests), can I be certain that an active browser session will follow the same ...
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1answer
38 views

SSH and XON/XOFF software flow control

I am using a vintage serial terminal connected to a linux box via a USB to RS232 serial null modem cable. The terminal uses XON/XOFF flow control to avoid overflowing the buffer. The terminal works ...
0
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1answer
35 views

Intermittent Port Open/Close

I'm experiencing intermittent port opening issues. I have a server which uses TCP running on port 8080 in CentOS 6. iptables is disabled and port 8080 shows it is LISTENING for traffic. Here is a ...
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0answers
12 views

Share inetrnet from Windows 10 towards Linux via cable

Have Windows 10 machine which get internet connection via Wifi. I just set up also second computer server with Debian linux on board. Now i would like to share internet from my Windows 10 towards my ...
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0answers
13 views

IP forwarding for kde connect

I want to forward a KDE connect connection from my desktop to an android phone, which are not in the same network. KDE connect uses the Ports 1714-1764 on tcp/udp and broadcasts to find the device in ...
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0answers
27 views

Use ADSL Modem+Router as repeater?

So I use a cable broadband connection. Now I have and old ADSL modem+router lying around, which, for some reason, has better range and stability than my new router. My old router has no option to use ...
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1answer
25 views

No internet during the VPN connection on Ubuntu 16.04

I have no access to internet after start up vpn conection. I'm able to ping google but nothing else. Before VPN connection: # ip route show default via 10.0.2.2 dev enp0s3 proto static metric 100 ...
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0answers
15 views

Windows 10 lan connection issues

I'm having a really weird issue on Windows 10. I've a scenarion, wich is: Windows 10 Computer + Windows 2008 Server (AD,DHCP,DNS). On the Windows 10 station, whenever i try to copy\paste an file from ...
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0answers
18 views

Network connection keeps falling

In the last days i experienced a network problem, well, I believe my router isn't working properly, but would like to know what you guys want to say, also. Now, this is weird, because i have problems ...
0
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1answer
53 views

VPN server behind a NAT without port forwarding

I installed the SoftEther VPN server on a raspberry pi which is connected via LAN behind a NAT/Firewall. The client should be an Android as well as an iOS device and should access the server from the ...
0
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1answer
15 views

is this failed SIP call due to firewall or NAT?

I'm trying to find out why this call failed, with: <--- SIP read from UDP:63.247.69.226:5060 ---> SIP/2.0 100 Trying and then Everyone is busy/congested at this time (1:0/0/1) full debug ...
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1answer
35 views

Internet disconnects every 15-20 minutes for about a minute and reconnects automatically

My internet connection is ADSL2+ and it was working fine for about 2 months till couple of days ago. Now I am facing problem of disconnection every 15-20 minutes. I have tried two different routers ...
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0answers
22 views

Network File sync and control of USB drives on windows

-Hi I have a question which I can't seam to phrase for google or see something like it here so I'll post it here and hope I get some answers while I keep looking. Bit of background: I'll be leaving ...
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1answer
28 views

Is it worth to block inbound packets from a security standpoint?

If I block all the outgoing packets with iptables then in theory my system is safe since incoming packets won't be able to trigger data stealing. However those incoming packets can still exploit some ...
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0answers
11 views

ssh into a vm to pentest another vm on a different subnet

I'm trying to pentest this machine (guest target) who has been configured to be on 192.168.110.140 with the Host-only networking feature of virtualbox. I can access it from my host machine, no ...
0
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1answer
43 views

No DNS resolution when connected to VPN - windows 10

I'm running into a weird issue with windows 10 dns resolution when connected to a VPN connection. VPN tunnel is provided by an ASA configured in split tunnel mode. The issue i'm having on 2 windows ...
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1answer
21 views

Wireless Mesh or just renaming accesspoint

I'm a newbie for these kind of things so forgive me if I say something wrong :) suppose we have 3 access-points and they all have physical cable back to server, I want to have 1 expanded network (SSID=...
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1answer
26 views

Multiplayer MMO and playback for an audience [closed]

I have an interesting challenge for the Superuser Elite. I'm setting up a 4 user LAN for an MMO in my basement. In addition to this, I'd like to mount a big screen LCD television on my wall for others ...
2
votes
1answer
90 views

Why UDP does not show LISTENING in the state column in netstat?

TCP shows LISTENING in the state column while UDP does not show anything: Is it because UDP has only one state (which is LISTENING) so there is no need to show it, or is there another reason?
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1answer
61 views

monitor and block outgoing traffic from home network with home server [closed]

I have a home network behind a router (model fritzbox 7490), which currently serves as gateway and DHCP server for all wired and wireless devices. Furthermore, I have a home server within the network ...
1
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1answer
18 views

Get PSK of incorrect WPA-PSK attempts

I was using hostapd to create an AP. I have some knowledge of C++. I was wondering if I can use hostapd to get the incorrect PSK entered by the client, or get that information from anywhere else. If ...
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0answers
19 views

Connecting To Two Networks at the same time, What's the Impact on gaming?

Basically I have two network cards, and while one is connected to our home Wi-Fi, the second connects to my mobile hotspot, since it isn't strong enough to catch the Wi-Fi, So my question is, what's ...
1
vote
1answer
97 views

Cascading routers (LAN-to-LAN) no internet access from 2nd router

I'm trying to cascade my network to get better wireless reception in my room and more LAN ports for more devices. The first/primary router (CH7486E Wireless Voice Gateway) is located in the apartment ...
0
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1answer
21 views

Virtualbox: connect diff host-only networks?

Say, I have 2 guest machines. One is in network vboxnet1(IP: 192.168.59.1 mask: 255.255.255.0). Another is in network vboxnet2(IP: 192.168.60.1 mask: 255.255.255.0). Both machines could reach the host ...