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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20 views

Is there a flat rate for 2+ tier ISP's to connect to 1st tier ISP's (is this regulated)? [on hold]

I've noticed that several technologies are springing up that are alternatives to last-mile industry standards, like: Mimosa https://mimosa.co/ Starry ...
0
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1answer
16 views

Cent OS - OpenVPN client connects but can't access internet

I set up openVPN 2.3 on a centOS 6.5 system I could connect with my windows client to the server. client gets IP address and DNS entries but when I like to access the internet with my client it does ...
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votes
0answers
13 views

What's the internal bandwith for OVH public cloud instances? [on hold]

OVH states on their memory optimised cloud instances offerings page that the servers come with a bandwith of either 250Mbps or 500Mbps. Is this bandwith going out of the datacenter, or bandwith going ...
1
vote
0answers
42 views

Nagios check_jstat

I'm trying to monitor java memory usage using nagios nrpe features. So I download and install check_jstat and install the plugin on the remote server. And when I ran it below is the result: OK: jstat ...
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votes
1answer
40 views

Why when i use netstat while not connected to internet, it returns some ip addresses?

I read that this command displays network connections for the Transmission Control Protocol more info link netstat ,but when i not connected to internet and i turn off XAMMP server,it returns some ...
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1answer
23 views

Active Directory Authentication from the Internet [duplicate]

I need some help finding a good solution to this problem. I know AD just fine, but admittedly, I'm not an expert. And I know I don't want to expose it to the internet... I inherited a workforce at my ...
0
votes
0answers
4 views

Hyper-V configure with internet [migrated]

I am using Hyper-V to create some Windows server 2012 R2 virtual machines. All was good until I found I could not access the internet in the virtual machine and now I am stuck. Where I am at ...
0
votes
1answer
22 views

Exchange 2007 - Sending spam from MY domain but invalid, random users

I'm running Server 2003. Exchange 2007. I've got something on the system sending out tons of spam, and now mostly blocked from the outside world. (We can receive, but not send because we're on ...
0
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0answers
4 views

I am not able to connect my software with my public IP [migrated]

please help me in port forwarding. i m stuck in the middle. suppose my local ip is - 192.168.0.103 and public ip is - 49.248.xx.xxx I have D-link DSL-2520U ADSL2+ modem router so here is what i do, i ...
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votes
1answer
18 views

Can we use a ADSL2+ modem in bridged mode to convert to ethernet WAN? [closed]

I am no networking master, so I have no clue if this makes sense. I have a DSL line from my internet provider with all the service details. Now, I have a TP-Link modem (+router) WD8961N. This is ...
2
votes
2answers
30 views

In windows server 2008, how do I disable recursive dns and continue to navigate the internet?

I have a single win2008 server configured to use vpn and remote desktop. My host provider demanded I remove recursive DNS. If go to dns role / group / properties / advanced and click disable ...
0
votes
1answer
25 views

Setting up OpenVPN server and client

I have been trying to better understand how OpenVPN works and so I have setup a OpenVPN server and client through VMs on my machine. I have an Ubuntu VM acting as the OpenVPN server and a Kali machine ...
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votes
0answers
17 views

Upload speed for 100 visitors per day [duplicate]

I'm trying to setup a small business with my Asp.net web application. My initial target is, max 100 visitors per day and I can manage a 2.5 mbps internet speed which has 2.5 mbps upload speed with ...
0
votes
0answers
34 views

Unable to redirect the package to the internet with Openvpn Debian server and TunnelBlick for mac

I have tried many times, can anyone give me some hint? (I am sure my bind9 server works on the same openvpn server) Server Config: port 1194 proto udp dev tun ca easy-rsa-proxy/keys/ca.crt cert ...
1
vote
0answers
12 views

W7 Login to Secure Sites [only] are Very Slow

I hope this is the right place to post this. Have a notebook PC that customer bought with W7 Home, and they brought it to me to have it put on their network. We installed a retail Windows 7 Pro (one ...
0
votes
0answers
28 views

how to increase internet speed on a particular computer in a LAN network?

I am using internet in a LAN network of about 30 PC's.Every PC is connected to internet and is using considerable speed.So my questions is weather there is a way to increase internet speed or ...
5
votes
3answers
98 views

How does a router on the Internet know where to send a packet to next to get it towards its destination IP address? [closed]

I've been doing small-time freelance IT work (among other things) for about the last decade now. I've set-up or rebuilt more local network arrangements than I can care to count, and more recently I've ...
0
votes
0answers
10 views

Browser connection ok - CloudStation is not connecting

I'm not sure if I 'm in the right forum here...but it seems that I've to modify the network connection for a local Synology NAS client (Cloud Station) for getting it work... Since last week, I'm a ...
1
vote
1answer
20 views

How can I bring an interface down once the amount of data transferred reaches a predefined limit?

I'm using a Linux box as a router between two of its network interfaces to route local traffic to and from the internet. The internet connection in question has a defined data allowance, and exceeding ...
1
vote
1answer
30 views

Using our old internet connection as a failback access

We moved to another ISP recently, but we still keep our old plan too, which means we have one unused internet connection. We have netgear r8000 router on our old line, and an arris cable-modem/router ...
0
votes
0answers
16 views

Grant CMD internet access, just as IE and Chrome have (via proxy)

I'm on a Windows 2012r2 machine and internet access is granted via a proxy server. The machine is installed with XAMPP and after some issues I've managed to install composer (dependency manager for ...
0
votes
0answers
29 views

Configure local squid for caching and redsock behind squid proxy parent

I'm using Debian, and to access to the Internet my network follow this diagram: MY PC -> SQUID PROXY (with digest authentication) --> INTERNET To resolve the digest authentication with my ...
1
vote
2answers
42 views

Internet Explorer 10 group policy

This question is related to Internet Explorer 9 & 10 Group Policy Preferences missing I have about 20 domain controllers and when I try edit a group policy object then go to user configuration > ...
1
vote
1answer
52 views

Restrict XP to access internet in Server 2012 R2 Domain using GPO?

How can I restrict only XP machines to access internet in Server 2012 R2 Domain environment using GPO? I need to allow those XP machines to access local Intranet sites in the Domain environment just ...
0
votes
1answer
43 views

Extremely flaky connection to our EC2 instance through one connection, but not others

We have a robotic coffee barista deployed at the Dell campus in North Austin, with internet service through Time Warner Cable. We have been fighting intermittent connection losses between 10PM - 1AM ...
1
vote
1answer
343 views

“RTNETLINK answers: File exists” /etc/network/interfaces Does'nt contain 2 gateways, so what's wrong?

This is my /etc/network/interfaces file contents The only way this is taking effect is when the system reboots. I'm trying to get it effected manually. My attempts below. auto eth0 iface eth0 ...
4
votes
2answers
325 views

Should Server Internet Connection be based solely on Internet Speed?

We are running our own server and our country's ISP is telling us that we should run it with their T1 Copper Line with 2mb DL & UL. Right now it is running on a Fiber Line with 8mb DL & UL. ...
0
votes
1answer
26 views

How can I discover the ip ranges for a particular ISP for roadwarrior vpn whitelisting?

I have a road warrior who will be based overseas for several months and will be using a particular ISP. Our VPN is white-listed. Rather than add his IP which changes every few days, is there a way of ...
0
votes
1answer
40 views

No internet connection via my OpenVPN server (solved)

I have OpenVPN up and running on my server. I want all traffic from my clients to be routed trough the VPN server. The client connects just fine but is unable to connect to the internet. Server ...
0
votes
0answers
13 views

Connect a redhat server that is under a vpn to internet

I have to configure the environments of like 10 redhat servers(dbs, stash, test, dev, production), but those servers are under a VPN and they have no internet access, I can connect my company mac to ...
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votes
3answers
104 views

Manage/Limit Internet Bandwidth on Specific Wireless Network [closed]

I offer wireless internet to my tenant and the problem I have is we are constantly hitting the cap for the monthly internet usage. What I ideally would like to do is create 2 wireless networks: one ...
-3
votes
1answer
66 views

Why would a network resolve some sites and not resolve other sites?

Win 8.1, IE 11 I recently made some changes to my internal network and suddenly attempts to access Bing are giving an error. My network is: When I connect either wired or wireless to the wireless ...
-1
votes
1answer
341 views

No Internet on router with pfSense [closed]

Sorry in advance if a similar question has already been posted. I am with Sky for broadband and have a router providing DSL connectivity. I have a cheap 64 bit desktop PC running pFsense as a ...
0
votes
0answers
29 views

Gateway to internet on CentOS 6

I have 2 CentOS 6 linux servers say hostnames cent001 and cent002 cent001 has 2 Nic's 1 Bridged and 1 Nat cent001 is able to ping google server 8.8.8.8 with the help of bridged NIC cent002 has only ...
1
vote
1answer
79 views

Incoming SSH works, but all outgoing fails

Terminology I have a server (I'll refer to it as S1 ) running in the cloud, but it is misbehaving. I also have another server (S2) running in the same cloud network, connected to S1 through a ...
1
vote
1answer
85 views

Minimizing attack surface on fresh 2012 R2

I'm in the following situation, i will have a fresh server connected to the internet (if required with a firewall between the net and it simply droping all packets on ports other than the one my ...
0
votes
2answers
143 views

Cisco 2621XM Configuration with Comcast Business Modem

I have a Cisco 2620xm router that I have ran into trouble getting it to connect to a comcast modem/gateway for internet service. The router and modem used by Comcast is a DPC3... The interfaces on the ...
0
votes
1answer
75 views

Caching UDP packets with iptables

I have a server set up to forward all of its packets on a certain port to another host with the following command; iptables -t nat -A PREROUTING -p udp --dport PORT -j DNAT --to-destination IP:PORT ...
1
vote
0answers
152 views

Postgres streaming replication over Internet

all: I want to set up two PostgreSQL servers, one as master server and the other one as a hot standy, using streaming replication. I have done this before in LAN environments, but I would like to ...
0
votes
0answers
112 views

Self Signed Certificate for RDP over Internet - Why Not?

I was recently informed on SF that using a self-signed certificate for RDP over a public interface is not recommended. In this particular scenario, I'd like to understand more about why. The ...
2
votes
0answers
24 views

How fast should internet speed be to host a webserver? [duplicate]

We host our own linux webserver in house. The company's Internet connection speed is 100MB, and the server runs no problem with it. We are planning to have another webserver located in another place, ...
0
votes
1answer
64 views

Troubleshooting poor point to point (over internet) bandwidth between two machines

My problem started out as poor bandwidth between a 64 bit Win 7 Home OpenVPN server in location A (Northern Europe) and a Win 7 or Linux Client in location B (Southern Europe). Location A has FTTC ...
0
votes
2answers
632 views

How to check Internet bandwidth in Ubuntu? [closed]

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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votes
1answer
179 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
98 views

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

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
31 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
60 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 ...
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votes
3answers
40 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
314 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 ...
0
votes
2answers
119 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 ...