Networking is the art of connecting two or more devices together so that they can communicate with each other.

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Segment Airport-based Home Network

I would like to segment my network up so that I can better lock down my kids as they are getting to the ages where I'll need to get them a computer. I would prefer to use OpenDNS's filtering services ...
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2answers
9 views

Checking open ports on a netgear router

I'm having troubles connecting to ftps via Filezilla. They told me it could be router ports. Some say 21 port (exit traffic?) is always open, some say it's closed. How do I check if it's open? If it's ...
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4 views

Cisco ASA 5505 doesn't allow internet connection

This is my Cisco ASA 5505 "show run": : Saved : ASA Version 8.2(5) ! hostname LAB-ASA domain-name TEST.com enable password X encrypted passwd X encrypted names name 192.168.1.0 AsusWireless ! ...
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0answers
5 views

For testing purposes how can SMB be used between two VMs?

For research purposes I want to connect two VMs together through SMB. How can this be done? I've tried using netem but can't seem to get it to work with SMB. So for example I just want to time how ...
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0answers
3 views

Can't get jumbo frames enabled with Mellanox ConnectX-3 VPI card on FreeBSD 10.1

I have a Mellanox ConnectX-3 VPI card, MCX354A-FCBT, which is configured in 40Gbps Ethernet mode on both ports. It's connected via two passive DAC QSFP cables to an IBM switch. Everything works for ...
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8 views

Call web application on Windows Server running inside VM from Host

I have been given a laptop. Inside this laptop I have a VirtualBox VM running Windows Server 2008. On this Virtual Server I have several sites and databases set up. I created this image to make the ...
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0answers
15 views

Do I need to join a multicast group to send a packet or joining is just for listening?

I am confused here. Can anyone just send a packet to a multicast address and port? Where does the multicast group come into play here? Do I also need to send to a group? Can someone explain that to ...
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5 views

Cisco ASA 5505 VPN all traffic through VPN

I have a Cisco ASA 5505 and people connect to it using Cisco AnyConnect and Cisco VPN. I want their entire internet traffic to go through VPN but they maintain their local LAN access. Is it even ...
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0answers
5 views

static ip to dynamic ip vpn between cisco 892 and RV042

I am unable to connect vpn between my cisco 892f router with cisco RV04 router. my cisco 892f have static ip and RV042 has got dynamic ip. i have configure all the setting on both router but in my ...
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1answer
43 views

Can my company know if I visited adult websites while connected to their VPN?

I use Cisco Anyconnect on my personal computer to connect to some services only available to my company's staff like timesheets etc. Yesterday I connected and forgot it connected, I then browsed adult ...
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1answer
29 views

Filezilla timeout after 20 seconds of inactivity

After changing my dlink router with a Netgear d6000 I'm no longer able to connect to ftps via filezilla. The settings for ftp connections remained the same but after connecting to the server, ...
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9 views

NFS and physical storage used in client

I tried searching on the Internet information about NFS and the resources it uses, but I could not find a definitive answer to my question. I want to understand the following: Having two servers on ...
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0answers
13 views

Mac Host access -> Putty Connection to unix

I'm trying to access in my Mac Host Web Browser to a putty SSH connection to a Linux Server that I have made and that required a tunnel. I can ping from my Mac Host to the Windows Virtual Machine but ...
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0answers
9 views

Connect to a private network (VPN) from Amazon EC2 Instance over RDP

Creating a VPN connection and connecting to it works OK. However the "origin" network, used to connect to this Cloud Amazon EC2 Instance is not available anymore (overrided with VPN network). It is ...
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1answer
7 views

Switching Default Interface to Route Traffic

I want to switch primary network interface of my Ubuntu machine, I referenced this: http://www.cyberciti.biz/faq/linux-setup-default-gateway-with-route-command/. Here is my setting for experiments: I ...
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0answers
10 views

Building a mpich cluster with two nodes

I have searched the net for answers to the below questions to no avail. A few questions regarding a two or more node computer cluster. Can the nodes in a cluster be connected via wireless network if ...
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0answers
11 views

looking for a code for longest prefix matching [on hold]

SearchWBSL(A) { TCAM_BMP ¼ TCAM_search(A); low ¼ min_level; high ¼ max_level; while (low high) { accLevel ¼ b (low þ high) c=2; inString ¼ SðA, accLevel); CRC ¼ crc_gen (inString); ...
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0answers
15 views

How to install a new ip on server? (debian) [on hold]

My ip has been blocked by my hostingprovider, they assigned me a new ip-address. They told me to 'install' it. I think in the past from my computer I could ping the new ip address directly after ...
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0answers
11 views

Not seeing the computers host network when using VPN

I have an Asus RT-N66U at home and I'm connecting to it using my Macbook Pro. What I expect to happen is that I no longer see the computers on my physically local network and I do see the computers ...
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0answers
14 views

Can't access server using hostname from other PCs on the local network (OEL6)

I have an Oracle Linux 6.6 Server, namely oradb12c. I cannot ping, reach, connect this machine from local network using its hostname, but I can ping, reach etc it from local network using its ip ...
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14 views

Forcing server to server copy to use LAN and not WIFI and “Smart” SSH GUI utility?

I have a simple LAN setup consisting of 4 macs with the included ssh servers turned on (all on Mavericks/Yosemite) I regularly sort and move files between the ssh servers. I'm looking for a tool that ...
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1answer
45 views

Why doesn't Windows network utilise the hardware's capabilities?

I have Windows home network setup which I use to stream media between devices, transfer files, etc. My networking gear is all up-to-date and I have 802.11n on all devices, the wireless link speed is ...
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0answers
31 views

Solution to monitor connection between multiple machines

At a customer site there is a solution implemented that uses multiple machines on their network. Lately the service has been failing due to disconnections and my theory is there is something amiss on ...
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24 views

Strange intermittent latency on one PC in my LAN

About a month or two ago my main PC (also HTPC) started having some intermittent latency issues. PC: Win7 Pro 64 TRENDnet Wireless N 450Mbps USB adapter (TEW-684UB) - connected at 2.4Ghz SABnzbd ...
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9 views

What is the symptom of a saturated network link?

I have a multi-purpose server in my home, virtualised with multiple guest VMs providing both network services (gateway/router, NAS, etc) and terminals (all other 6-or-more-years-old computers, and a ...
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0answers
13 views

ip6 on a wrt54g Via Charter

I was told you guys might be a better site to ask this question. Im looking to play around with ipv6 and would like to get my router (wrt54gv3.1) working. My ISP(charter) offers a 6rd relay to use. ...
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0answers
28 views

Free internet access from a workplace in a rather restrictive environment [on hold]

In a network environment stricly regulated by the company, how can a developer access important internet resources. Some of the more common approaches don't work well with (seemingly) white-list based ...
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0answers
30 views

Can't browse steampowered.com

Surface Pro 3 i5 4GB RAM, Windows 8.1 Chrome 41.0.2272.101 m When I open the steam store or other steam sites (e.g. steam community) it takes absolutely ages to load. This carries over to steam ...
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1answer
28 views

Can't access to NAS

I am on windows 8.1 and can't access to my folders stored on a Seagate Business Storage. I had network drive connected, they worked fine until today. And I can't access by typing \\ip_of_nas ...
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0answers
24 views

Toggling between two internet connections

I have the following two internet connections: a wired Ethernet connection (which goes through a proxy via a proxy config. URL) a wireless WLAN 802.11 g connection (has no proxy) My question is ...
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0answers
8 views

socat buffering … how to avoid buffer blocking

i am using (playing with, to try it out) socat to relay TCP through SCTP with commands like: on the local host: socat tcp4-listen:10022,rcvbuf=1,reuseaddr sctp4:remotehost:9999,rcvbuf=1 on ...
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1answer
11 views

How to find 802.11 protocol variant, and decipher packet_payload_info in PcapNG files?

I'm building a (Python) parser of PcapNG files created by Wireshark. After reading https://www.winpcap.org/ntar/draft/PCAP-DumpFileFormat.html, I'm having the following problems: I'd like to ...
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0answers
12 views

Using Android device manager to get the SIM details of located device

Thanks to this question I was able to locate my mobile which was stolen a month back, but after using ADM (Android Device Manager) service , it notifies the tracked device that "your location has ...
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3answers
69 views

can't ping, can't browse, just one site, not dns

Ok this is a new one for me cuz i can NOT browse and also NOT ping and it's just one site but the site is up and it happens from 3 different computers (all windows 7) behind my router-cable_modem. ...
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1answer
19 views

How to track a android tablet in the same network using MAC address

I lost my tablet , but I can see that the tablet is connected to the network on my router: So I know the MAC address but I am unable to trace my tablet using this information and I am running out of ...
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1answer
31 views

DD-WRT: What's the “join” button for, and why is it bad?

The instructions for setting up a DD-WRT router in client bridge mode say: There are errors in this video especially as related to security settings and the use of the 'join' button. It should not ...
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0answers
11 views

Configuring two network interfaces in gentoo using dhcpcd

There are two network interfaces in my system. net0 and net1. Both are in the default runlevels in gentoo. The /etc/conf.d/net file contains Code: config_net0="dhcpcd -b -t 0" and ...
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1answer
19 views

Does connecting to one's computer via local router automatically uses the loopback?

I have a TCP application that doesn't show up on Wireshark. I read it was because Wireshark is not able to sniff Loopback communication on Windows. So, instead of connecting to 127.0.0.1, I connected ...
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0answers
14 views

netsh advfirewall allow any DNS traffic and HTTP to one ip for application

I've found: To block all outbound Internet traffic: netsh advfirewall set currentprofile firewallpolicy blockinbound,blockoutbound And found: Allow all type of traffic to some IP: netsh ...
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0answers
13 views

How to setup an Asus RT-N66U as a secondary router with VPN client

I have a Mikrotik 450G as my primary router, dialing out over PPPoE. It's my intention to use the Asus RT-N66U to connect to VPNs and to run DLNA. What I am struggling with is how exactly to setup ...
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1answer
39 views

Why is my IP address appearing in the email header even though I am using a proxy server?

When I visited a proxy-check site accessing through a proxy server, I found that my true IP didn’t appear. But in the header of the mail that I sent—using Thunderbird—accessing through the same ...
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0answers
8 views

Tomcat Site available through internet

I have a desktop running a tomcat site (jira). When I go to 192.168.1.108:8080 from a device on my network I can see the site. I now want to be able to access it through internet. For that purpose I ...
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0answers
16 views

Windows 7 firewall rules doesn't work for FTP server

I have installed FTP server and set up an FTP site on Windows 7. I'm trying to connect to it via a Linux machine but the connection times out if the Home or work (private) networks firewall is on. ...
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2answers
56 views

Does the wireless signal affect the upload/download speed?

I have an wireless router, that share wireless but also LAN cable on my computer. My question is if I turn off the wireless signal will it affect the upload/download speed on the LAN cable? Giving ...
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0answers
26 views

Is there a way to connect to a Windows machine from Linux by name instead of by IP?

In my home network, the Linux machines all have avahi installed and can access each other by their hostnames instead of by their IP ping laptop.local But for the Windows machine I could only manage ...
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0answers
16 views

Configuring always-on VPN on Android using a server domain name instead of a server IP address

I am connecting to my home Hamachi-powered VPN with my Android (v4.4.x) mobile device using IPSec. The VPN connection is working fine, except that I am unable to configure the connection as ...
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0answers
17 views

CoreOS on VirtualBox only works with one adapter at a time

I'm trying to learn more about CoreOS. (I'm not using Vagrant, just plain-old VirtualBox.) So I created a disk using coreos-install. Unfortunately, I can't find my original cloud-config.yaml file, but ...
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0answers
21 views

Port Forwarding on DD-WRT-flashed router

As with many other cases, port forwarding is not working properly on my TP-Link WR1043ND router (dd-wrt build 21061), but the issues I am having I have failed to see described somewhere else. I can ...
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0answers
18 views

Share network to multiple other ethernet networks

I was wondering whether it is possible to share a network connection to multiple other networks in Windows. I've been able to share it with one other network, but it does not allow me to share it with ...
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0answers
16 views

Setting up our existing Vagrant / VirtualBox instance to use VPN when not in the office

I'm currently trying to edit our existing Vagrant / VirtualBox image so that when users aren't within our office network they connect through their OpenVPN connection on the host computer. After ...