The Internet is a global system of interconnected computer networks that use the standard Internet protocol suite (often called TCP/IP, although not all protocols use TCP) to serve billions of users worldwide. It is a network of networks that consists of millions of private, public, academic, ...

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2answers
27 views

How to check Internet bandwidth in Ubuntu? [on hold]

Instead of going to sites like http://speedtest.net , or others, I want to check my current Internet speed from the terminal on Ubuntu. How can I do it?
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1answer
23 views

Make squid (or tinyproxy) return cache EVERYTHING and return hits on Internet outage

I am wondering how to configure squid (or tinyproxy) to cache EVERYTHING and return HTTP 200 hits, even on Internet outage or if original source is 404? Basically, I want squid to look in the cache ...
1
vote
0answers
48 views

Can iSCSI and Internet work on same NIC? [on hold]

I have a Synology RS815+ that supports iSCSI with 4 GbE ports. I have two Mac Mini's (2014) with built-in GbE and a TB to GbE adapter. All 8 connections are tied to the same switch, with client ...
1
vote
1answer
8 views

How to show the contents of a lan server through another internet-connected

I need some help. We have 2 servers (centos and ubuntu). 10.0.0.1 and 10.0.0.2. On 10.0.0.1 We have our intranet services (web applications) (10.0.0.1/sis1, 10.0.0.1/sis2...) On 10.0.0.2 We have ...
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votes
1answer
20 views

Measure traffic of streaming audio/video in whole office

I would like to measure the different traffic used in our office, specifically streaming of audio and video. I'm trying to assess whether there is any affect of people using streaming on our internet ...
0
votes
1answer
40 views

How can I adapt this technique of using a proxy (in firefox) to wget and yum ? [closed]

I work in a large organization where some people have extremely restricted internet access and some are given a fairly large amount of freedom. The way my organization manages this is by running a ...
1
vote
1answer
885 views

PPTP VPN - No internet access though the VPN

I am very new to the world of windows server I'm renting a VM in the USA for my web hosting(DC, DNS and Web host role) and I decided that I would install a VPN on it so I could re-route me ...
6
votes
10answers
496 views

How to browse safely from a public internet computer?

I was reading this question when I thought: Some emergencies requires that you log on in e-mail or another sensitive sites in public internet computers. Remember that points: You cannot install ...
18
votes
6answers
804 views

Why do Facebook users sometimes end up on my site when they enter www.facebook.com in their browser?

Every few weeks I get an email (usually a very unpleasant one) or sometimes even a phone call from a Facebook user who believes that I am "hacking" their internet. They come to this conclusion after ...
0
votes
2answers
14k views

Can't ping or reach external IP or domain on CentOS 6.3?

I have installed fresh CentOS 6.3 on my machine. Internet is not working at all. How ever I can ping my router and other computers connected on LAN. I've googled and searched various forums but all in ...
5
votes
4answers
2k views

What's so special about leased lines (T1, DS3, etc)

I understand the theory of having "dedicated bandwidth" but why would a small/medium business purchase a leased line for access to the internet? In today's day and age residential grade connections ...
0
votes
5answers
136 views

Suggestion for software to control internet [closed]

I need to implement a gateway that will allow me to control the access to the internet of a network made up of a about half a dozen of workstations. My main obejectives are the following: 1- ...
0
votes
1answer
2k views

Assigning a public IP on Windows Server 2008 R2

We've recently acquired a Dell PowerEdge r420 server (2 NICs). After installing the OS (Windows Server 2008 R2), we've installed SQL Server 2008 and IIS. Now we have a public IP given to us by the ...
0
votes
1answer
3k views

Ubuntu cannot access internet, LAN is fine

I have an Ubuntu 8.04 LTS server that is directly connected to our Comcast Business Gateway modem and I have configured it with 1 of our 5 allotted Static IPs. My other machines on our LAN can ...
1
vote
1answer
9k views

OpenVPN connected but not internet access on the client

I've setup OpenVPN following this tutorial, and everything works fine except that I don't have an internet connection on the client while connected to VPN. ...
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votes
3answers
36 views

Is there a way I can find all domain names that have a CNAME with a given value?

Is there a tool using which I can run a query that returns all domain names that have a CNAME with a given value (e.g. something.example.com)?
0
votes
1answer
36 views

Windows Server 2008 is connected to network but Internet Explorer can't browse

I'm creating a Virtual Machine using Hyper-V with Windows Server 2008. The VM is ok, I can connect all my network and I can ping any address with success. But when I try to browse using the default ...
1
vote
2answers
242 views
0
votes
2answers
54 views

Individuals able to hit our bandwidth cap… Only a recent phenomenon?

We have a 10Mbps (synchronous) connection with our ISP. Recently we have discovered that if a single user is watching Netflix, or if I run Windows Update on a PC, we will totally saturate that 10Mbps ...
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votes
2answers
40 views

Reaching Local Network which is under NAT with no public IP

I have a place called (lets say) REMOTE. REMOTE is connected to the Internet using 3G/4G Modem + Router. Unfortunately my mobile Internet provider does not give me public IP address. In REMOTE I have ...
1
vote
3answers
447 views

Port forwarding and machine access

I have an application running in local google app engine and I am trying to expose it over the internet for some testing. I have successfully set up port forwarding in my router. Used this tool ...
1
vote
4answers
199 views

Communicating via separate network cards

Assume you have a web server with two network cards (and their associated ports), let's call them A and B. The idea is to connect one port (A) to the internet and the other (B) to some isolated ...
0
votes
1answer
43 views

Server 2003: DNS seem to only resolve google.com but no other website

I have a windows 2003 server running AD, DHCP, DNS and RRAS. I had to remove and re-install AD and DNS last week, after the installation, everything seem to work find except for browsing websites. ...
4
votes
3answers
10k views

Windows 8 - no internet connetction to some hosts while VPN is active

I use VPN to access the servers at work. When VPN is used, all network traffic to the Internet passes through my company network. It worked without any problems on Windows 7, now on Windows 8 some ...
5
votes
0answers
357 views

Freebsd change default Internet channel route

I have two Internet channel and Gateway on freebsd. When I switch channel with the command route change default chan2, the command netstat -nr shows changed default route. But traceroute shows that ...
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votes
3answers
46 views

How do I know the type of connection from the IP Address? [closed]

The website GameFAQs uses the IP Address to know the type of connection and decide the level of a new user. See image: http://i.imgur.com/ZfJK8JH.png How does it determine the type of connection ...
0
votes
1answer
32 views

How can identify and quantify physical plant (network capacity) in my local area? [closed]

I am interested in identifying physical plant and network capacity in my local area, which happens to be Boston, but could be anywhere. For example, I understand that in Boston there is something ...
0
votes
2answers
4k views

Remove Proxy Setting in Batch File

I want to create a batch file to remove Internet Explorer proxy settings check box. Not to grey it out - but to remove IE from using proxy settings. Anyone got any scripts for me?
0
votes
1answer
21 views

Internet browsing issue for all network users in different timings [closed]

I have a WatchGuard Firebox that I've recently configured. All of the policies look fine and all appropriate services seem to be working correctly. However, we are facing browsing issue suddenly ...
1
vote
1answer
147 views

Fixed wireless Internet connections vs. T1 vs. DSL

I run a small business in Mountain View CA, and (as surprising as it sounds) I cannot get traditional high-speed Internet providers (e.g. Comcast, AT&T, Verizon, etc) to install DSL in my office ...
0
votes
0answers
30 views

Internet lost after 10 minutes of connecting Open ERP server

So basically I have an open-ERP server connected to a router so that i can access it from home through internet. the network structure is like this: Etisalat internet box->cable->router(lynksis ...
1
vote
2answers
83 views

NAT a single IP using 2nd WAN Internet

I have a mikrotik RB750 (6.22) acting as a gateway for my LAN. Here is the basic configuration: Ether1-WAN1 (1.1.1.10/24) IPs are hidden for privacy Ether2-WAN2 (2.2.2.20/24) Ether5-LAN ...
4
votes
2answers
2k views

New Fiber Optic Internet Connection, want to use Sonicwall TZ200 as main router, WAN/VLAN

Key Facts: We have a new internet connection with Movistar. It is a 100/10 Mbit line. We want to use the TZ200 as our main router. The Fiber Optic router is a ONT I240 The internet router that ...
1
vote
2answers
1k views

Proxy Settings per Machine not working on windows server 2008 R2 SP1

i have a very interesting problem and would appreciate any help for it. In my scenario i have scripts which bring up a VM inside a domain. Now i want to enable internet access for all the VM's and ...
2
votes
5answers
3k views

Downloads pause and time out frequently

I'm a new systems and network admin. My experience has been in the hardware and software of systems and servers, the network part is pretty new to me. I'm familiar with plugging numbers into network ...
3
votes
1answer
79 views

Somebody created subdomain without my knowledge. How? [duplicate]

Got an interesting email from CIRA today with: CE14-12545 [Malware hosted on ygglhalayvtwy.khabarov[.]ca] URL: http://ygglhalayvtwy.khabarov[.]ca/xnor/orladjaup.jpg IP: 204[.]44[.]87[.]184 MD5: ...
0
votes
1answer
72 views

Windows 2003 R2 traffic shaping & QOS

In our small office a LAN is connected to a modem router that will VDSL to the Internet. As a Windows 2003 R2 server exists in the LAN, I was wondering if is there a way to use this server as a ...
-1
votes
1answer
77 views

Prevent internet from being monopolized by one user

In our company, there is a training room which contains 15 computers. Our employees (or external individuals) can follow a training there using these computers. However, we want to prevent the ...
-3
votes
1answer
87 views

Idrac 6 internet settings enabled to connect to internet via ssh [closed]

I just installed the idrac 6 enterprise into dell r410. I insert the cable on it. But there is no connection. Green light on !! Normally when i restart the server and when I use the normal connection ...
1
vote
0answers
95 views

Add site to Internet Explorer Security Zone in GP without deleting all other settings

What I have figured out is this: GP: User Configuration -> Administrative Templates -> Internet Explorer -> Internet Control Panel -> Site to Zone Assignment list. If I enable it, and add a site ...
-1
votes
2answers
156 views

Restricting internet access of some client systems of LAN to a few websites using gateway

How to limit internet access of most systems in my LAN to a few websites and block all the other websites? Also want to bypass that restrictions for some systems. All systems have static IP address ...
0
votes
0answers
43 views

Can poor Internet connection affect the IO read on my server?

I'm trying to spot the culprit causing too much IO read in my server. Issuing IOTOP -ao I have come accross many httpd processes among which one caught my attention: PRIO USER DISK READ ...
0
votes
2answers
1k views

Computer running Win7 won't access websites but can ping them

First off, pardon me if this is not where I should ask IT questions. If there is another StackExchange site (or site in general) that I should go to by all means let me know. The Problem: One of our ...
0
votes
0answers
57 views

openVPN on another IP

I had a working OpenVPN on my server, and it was working fine, redirecting traffic to the/from the internet, but when i have found that the traffic to the services on this server not routing through ...
5
votes
1answer
702 views

Designing segmented LAN with fairly shared hi-speed internet access on a tight budget

With another member of the owners' association, I've been tasked with designing and setting up shared, hi-speed, internet access, for our apartment building. We have very little budget and hope to be ...
14
votes
6answers
19k views

How to tell if it's your problem or your ISP's problem

I originally titled this "how to tell if your internet is down or your network is just screwed up" and Jeff's AI said that this questioned would probably be closed. Nevertheless, someone here is ...
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votes
1answer
39 views

DNS settings on computers and switches [duplicate]

Noob questions. I have static IPs on many of my Windows computers in our Windows 2008 domain. In the network settings at each, I have an a static IP and subnet. The default Gateway is set to our ...
0
votes
0answers
110 views

Internet drops out randomly for short periods of time (LAN issue)

I run a network (I'm just a math teacher) at my school. We get random 10 or so minute periods (I'd guess three a day on average) where the Internet is not accessible from within the LAN. If I go to ...
1
vote
1answer
100 views

Windows SBS 2011 Clients Randomly Unable to Access .co.uk Domains

We are a small office with 10 client PCs and one Windows SBS 2011 server acting as Domain Controller and Internet gateway. At random times client computers cannot access Internet hosts in the .co.uk ...
0
votes
1answer
66 views

Connectivity problems on website

We've been experiencing some connectivity problems on http://www.scirra.com. Running a DNS check: http://dnscheck.pingdom.com/?domain=www.scirra.com We're getting some errors: Delegation not ...