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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4
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2answers
8k views

NAT Port Forwarding in VirtualBox

I have enabled two adapters in my VirtualBox (running Ubuntu 12.10 Server Edition), with types as: Host-only and NAT. My main motive is to be able to connect two VMs running on two different hosts ...
0
votes
0answers
10 views

One way comunication in routed network

I have this network with two subnets 192.168.0.0 /25 192.168.0.128 /25 on both router i have ïnstalled OpenWrt. On right router is set routing to .128 network. Left router is wireless client ...
0
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0answers
2 views

OpenVPN on KVM VPS - No ping or network access

I want to use OpenVPN on a KVM VPS and it seems that everything is configured just fine. The connection is getting established with server but I can not even ping 10.8.0.1. IPTables is completely ...
0
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0answers
8 views

Huawey redirects packets to itself

I have Huawei wireless router: Device name: E5330Bs-2 IMEI: 865706028023246 IMSI : 250998209933021 My number: Unknown Hardware version: CH1E5330SM Software version: 21.210.17.00.778 Web ...
0
votes
1answer
25 views

Reverse SSH tunneling for server running in Windows OS

I'm hosting a server on ports 39083 and 39084 on my machine that has a private ip address. I'm looking to host the server using SSH tunneling, the request would go through my VPS ip address then to my ...
0
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0answers
8 views

can't reach specific web sites through router tough i reach from modem

when I try to enter some web sites (godaddy.com, usps.com) I receive a message ** Access Denied You don't have permission to access "http://www.godaddy.com/" on this server. Reference ...
0
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1answer
71 views

Set virtualbox network for Ubuntu 16.04 client

In Virtualbox version 4.3.26 I would like to install Ubuntu 16.04 client. The network configuration is adapter 1 : bridged adapter name : eth0 adapter 2 : NAT With this configuration I do have ...
4
votes
2answers
4k views

Why does pinging a local router return “Destination Host Unreachable”?

I have two tomato routers. One is bridged wirelessly with the other. I have a new server on the network. It's running Ubuntu Server 11.04. They are all connected like this: A - Linux PC B - New ...
0
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0answers
18 views

how to turn serveral linux machines (centos) into server client on an ethernet with static IP

I am trying this for the first time, so not quite sure where to begin. I have looked at search and obviously end less amount of info. I have several Centos 7 machines, and I like to turn one into a ...
2
votes
2answers
5k views

How can I solve Windows PPTP VPN issues?

I'm having persistent problems with Windows PPTP VPN connections. The VPN appears up whilst the tunnel won't transfer traffic (ping to a remote IP within the VPN works for a while, and then fails). ...
0
votes
1answer
47 views

DNS resolution differs between ping and browsers

I've been in charge to move a web servers from our office to a datacenter. Its IP has changed, and I have updated the DNS accordingly. This was 6 days ago. Lets say its DNS name is ...
0
votes
1answer
21 views

How to enable local LAN access while connected to Array VPN?

I am trying to maintain a local LAN service (allow incoming connections from my local network) on a Windows machine while connecting to Array SSL VPN. I've tried to modify the route table using some ...
1
vote
2answers
19 views

Configure SNMP to send messages to two different monitoring platforms

Is it possible to configure snmpd on Ubuntu (via snmpd.conf) to send messages to two different monitoring applications? For example, lets say I have defined a read only community called 'readonly', ...
0
votes
1answer
29 views

Directory doesn't exist, but it does, but it doesn't

Before I start, my /etc/fstab file has the line: //10.10.10.1/Atkins ~/Desktop/Atkins cifs rw Ubuntu is giving me strange issues. I'm trying to mount a directory, so I type: sudo mount ...
1
vote
0answers
13 views

Windows 7: Event Viewer Issue (log on codes and workstation name query)

I am using a laptop for home use. I am not connected to a server or anything, just the home wifi. Today I was looking in the event viewer and I saw quite a lot of log ons with numbers, 2,3,5 or 7. ...
1
vote
0answers
11 views

Windows Firewall blocking everything when authenticating against domain

I am trying to run Microsoft's platform ready tests on my company's applications, which for the gold certification requires that we install our application on Server 2012 R2 Core. I have got a Hyper-V ...
0
votes
4answers
3k views

Two WiFi networks work only simultaneously on OpenWrt

I am trying to use device TP-Link 3020 router with OpenWrt installed to both connect in and connect out by WiFi. I have home WiFi network and I setup connection to it ("client mode"). Then I set ...
0
votes
1answer
22 views

Internet works sometimes, but then stops allowing access to sites. Skype still works.

I've heard problems like this arise out of DNS errors or something, but as my name suggests, I'm confused on the topic. I contacted my ISP and they told me to directly connect to modem, which fixed ...
0
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0answers
72 views

Multicast Entries in Arp Table

So, I recently ran the arp -a command on my primary windows machine and noticed that there were a ton of multicast class-d addresses listed in my arp table. I do not remember seeing so many ...
0
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0answers
11 views

How to prevent pfsense from pushing a random route to the client

I've setup an OpenVPN server which uses tap device mode and everything works allright if I accept to work with dynamically assigned IP addresses. When I want to assign static addresses to the ...
0
votes
0answers
7 views

SonicWALL only works when over WiFi

I have been using Dell SonicWALL Global VPN Client for years to connect to my company's network. Today I upgraded from Windows 7 to Windows 10, and I installed the latest version of SonicWALL, but I ...
2
votes
4answers
5k views

Sharing internet connection from host to virtualized Ubuntu with Virtual Box

I have Ubuntu 11.10 in Virtual Box installed on Windows Vista. I am having a Broadband(PPPoE) internet connection. I would like to use my internet connection inside Virtual Box in Ubuntu. I tried with ...
0
votes
1answer
22 views

Does port triggering from port 80 to port 80 make sense?

In troubleshooting a VoIP quality issue, tech support had me set up numerous port triggering ranges. One of the ranges was: Triggered Range: 80 to 80 Forwarded Range: 80 to 80 Based on my ...
0
votes
1answer
16 views

Tenda F303 not working after firmware upgrade

I have a tenda F303 and I needed to port forward a game but on the internet I seen that I need to upgrade the firmware to port forward and some more things.I opened www.tendacn.com and I searched my ...
2
votes
1answer
3k views

no internet access on guest SSID on netgear WNR2000 router

I have a WNR2000v2 Netgear router that I want to put on our company's network. My boss wanted me to set up two SSIDs, one is for guests and the other is for employees. He wanted the guest wireless ...
16
votes
8answers
35k views

Changing network type from Unidentified network to Private network on an OpenVPN connection

Is it possible to change the connection type in Windows 7? I have a OpenVPN connection which is identified as "unidentified network" and I do not want to apply certain rules to all unidentified ...
-1
votes
0answers
13 views

Monitor data usage of metered connection in Windows 10 [on hold]

I have created a metered connection in Windows 10 that represents tethering my laptop to my phone. Is there a way in Windows to view how much data was used by a metered connection? It would be nice to ...
0
votes
2answers
3k views

OpenVPN tun0 extremely slow

I'm working in a vpn - the server is connected via a 16.000 mb/s line. Sure, this connection is really slow itself, but the vpn connection doesn't use the real bandwith. So i connected to the server ...
5
votes
2answers
9k views

Why does yum update fail in CentOS 6.4?

I am using CentOS 6.4 in a corporate lab, and the yum update fails with the below error: I am able to access the same repositories through the browser. [root@LAB1 ~]# yum update Loaded plugins: ...
0
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0answers
15 views

does any one know how to record both chanels on a hp slim 2015 [on hold]

I cant seem to record on both channels only one how can I enable both channels to record on my computer?? I have tried turning on and off my computer and clicking different options but I'm lost and ...
5
votes
3answers
5k views

When using synergy, it lags sometimes

I use synergy. My linux desktop acts as the server, and my macbook connects as a client. While using synergy, they are both connected to a linksys WRT-45GL router, both using a wired connection. ...
0
votes
1answer
18 views

Is it possible to connect a tablet to the network without wifi via usb without otg adapters?

We must connect a tablet to the network without wifi access, using usb cables. As far as I know there are OTG adapters to do this, but I'm interested in doing this without those. (Not all of the ...
1
vote
3answers
53 views

PuTTY Fatal Error Software caused connection abort

long time lurker first time asker. I have a very weird problem, whenever I try to connect to a specific machine on my network from my desktop with Windows 10 I get an error right off the bat. PuTTY ...
6
votes
4answers
4k views

Why if I put wireless access point near water (fish tank) will degrade its signal?

I am reading this article: http://gnswifi.com/faq.htm And for this question: What can I do if I am having wireless connection problems? It says: Signal strength drop or fluctuation are ...
0
votes
1answer
3k views

Linux Mint 17 Windows network shares

I have installed Linux Mint 17 Cinnamon on my desktop in an effort to migrate from Windows (and only keeping a VM with Windows) but soon I discovered that I can't see any workgroups after I click on ...
0
votes
0answers
5 views

Directly accessing eth0 when using Docker when Cisco AnyConnect Secure Mobility Client provides VPN tunnel

When VPN is active, all the traffic seems to be tunneled through csctun0. Using a VirtualBox I am able to set up a "network bridge" to eth0, which seems to completely ignore the manipulations made by ...
0
votes
1answer
4k views

Firewall open ports for vSphere

I need to open ports on a firewall, so that a client could access his VM console through vCenter server's Web Client. I had a look at this page about port description, but I am a little confused. I ...
-1
votes
1answer
48 views

Route to Internet router from different subnet

I ran into a situation where my network is setup like the following: my network In this image my Computer A is connected with WiFi DSL router which is connected to the Internet. Computer A and B are ...
6
votes
2answers
8k views

How can I change a network password that Windows Explorer has saved?

I use Windows 7 and I saved my login to a server in the network. But meanwhile my password has changed. When I now try to access that server then Windows Explorer automatically uses the old user and ...
6
votes
2answers
27k views

Networking - Games can't see/join anyone else's LAN servers, unless I host

This happens with various games, from Battlefield 2 to Trackmania and therefore seems to be some network configuration error: When anyone else hosts a LAN game I am the only one that can't see their ...
0
votes
0answers
25 views

Error “This site can't reach” [on hold]

I am having a problem relating to wifi internet connection. Sometimes, when I enter a site address on chrome or any other browsers, I get the following error: This site can't reached. I tried other ...
3
votes
5answers
29k views

How to get Alfa awus036nha to work with Kali Linux?

Im running Kali linux 64bit 1.07 as a guest os through virtualbox 4.3.12 r93733. Ive also installed the VirtualBox 4.3.12 Oracle VM VirtualBox Extension Pack. I have bridged my hosts network ...
-1
votes
0answers
12 views

Reason for 11-bit counter field in the Start-of-Frame Packet in the USB specification?

Start-of-Frame Packets : The USB host controls the processing of data in 1ms units called frames. During each frame, it examines what requests are outstanding and allocates each pipe bandwidth ...
0
votes
1answer
27 views

Torrenting crashes internet connection

This only started happening recently, when I torrent something it crashes the router after a while. I noticed with uTorrent it happens almost immediatly and with qBittorrent only after like 10 ...
-1
votes
1answer
16 views

Unable to delete folders and files enclosed pasted to it by other user in a network share

i am a somewhat new to linux. i am facing an issue reg my network share permissions. i am not able to delete directories and enclosed files created by other users in my network share. they all have ...
0
votes
2answers
442 views

How to configure Sophos UTM to mask an internal ip with a DNS name

I have a CRM software which runs on Apache on a separated network at a 10.10.10.10 ip while my local network is at 192.168.1.0 range. I also have 10.10.1.0 range for VPNs which are only can connect ...
3
votes
3answers
2k views

Can I send audio from OS X to Windows over the LAN?

I'm sharing my keyboard and mouse from my Windows 7 desktop to my OS X laptop with Synergy, which is great. I wear headphones all day, and often don't notice things happening on my laptop because I ...
1
vote
2answers
49 views

Routing in Windows [duplicate]

Initially (just after system startup) the ip table is like that: 192.168.0.0 255.255.255.0 On-link 192.168.0.11 276 192.168.0.11 255.255.255.255 On-link 192.168.0.11 ...
0
votes
0answers
17 views

Squid proxy, reacheable but sites still bocked by dns

I wanted to host a proxy on one of my PC, and so I installed and configured Squid on it. I want to use this proxy to bypass web URL filtering from another position. I can reach my PC, but there is a ...
0
votes
1answer
20 views

How to secure CoreOS on DO? [on hold]

I've receive the following message: We've detected an outgoing Denial of Service attack (http://do.co/21Y1Gc1) originating from your Droplet. Due to the traffic’s harmful nature, your Droplet ...