An Internet service provider (ISP) is a company that provides access to the Internet. Access ISPs connect customers to the Internet using copper, wireless or fiber connections.

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What is the network architecture within an ISP? [on hold]

I am doing a research about the architecture of the Internet, for what I've gathered, Internet consists of a backbone network operated by some tier-one ISPs, like AT&T, and various other smaller ...
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9 views

VISP and Peer connections

I just want some help regarding questions that came to my mind while googling for how to become an ISP. Most of the literature talks about buying a wholesale solution, VISP, and make a peer ...
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22 views

ISP speed limit not functioning correct … how to replicate on purpose?

I recently moved to Jordan and the internet is not the greatest but i got my self an internet plan with 50gigs of bandwidth with a 10migs download speed. once i spend all my bandwith i still have ...
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1answer
47 views

On a PPPoA ADSL Connection - What is the best MTU Size

As recently discovered, my ISP is currently using PPPoA in order to authenticate my ADSL connection. I would like to know the optimal MTU Size to use for this connection?
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1answer
280 views

How to forward blocked ports by ISP

So I've been trying to setup a TeamSpeak 3 server on my pc but ports (9987,10011,30033) are blocked by my ISP, I've contacted them to unblock them but they didn't accept, and it's the fastest ISP in ...
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1answer
97 views

My Internet IP address and ISP Gateway Address in two different networks

i was just looking at my router's status page under the Internet Settings section. and i noticed that the Internet IP address (public ip given to me by ISP) was 197.40.227.93 and ISP Gateway Address ...
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2answers
42 views

CNAME to shared IP on a cluster

I'm trying to set a CNAME record (www) at ISP-A to forward to a subdomain at ISP-B. the domain/website at ISP-A works flawlessly at ISP-A, the website at the subdomain at ISP-B works also good. but ...
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3answers
67 views

Cannot send mail. Is the ISP blocking my connection?

I want to send email through smtp.imsbiz.com. When I try to telnet to smtp.imsbiz.com:25, it said relaying denied. webadmin@www current]$ telnet smtp.imsbiz.com 25 Trying 210.87.250.198... Connected ...
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1answer
63 views

Open Ports - Strange Errors

I was doing an open port check 1-65535 on my external IP from an online tool and I could see 5 open ports! When I opened one of them in my browser myip:3541 and I could see only this response: ...
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126 views

Use multiple devices with an ISP with captive portal

Here are the facts that will help you understand the scenario: The ISP provides wireless broadband. It gives a device(installed on the roof) from which a LAN wires runs to your computer. The ISP ...
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0answers
27 views

Spam-tag chinese spam mails via ISPConfig

I'm looking for a way to get rid of the ton of - I assume - Chinese spam mails I get every day. Is there a way to filter out mails which contain Asian characters in the subject? I googled around but ...
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1answer
242 views

Should I use my ISP DNS or Google's? [closed]

I'm experiencing an annoying problem. Randomly, some websites don't load for about 30 seconds. I'm reading the news and suddenly I start getting a server not found error. At the same time other ...
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0answers
13 views

Two (non-concurrent) connections on one modem?

Is there a way to store two ISP connections on a modem/router so that it can be switched between them easily? (The only option I've found to change a connection is to insert the new username and ...
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3answers
401 views

Can ISP DNS servers go down?

I'm having problems with my ISP's DNS server. I'm able to do everything except visit any website using my browser through the website's domain name. I was with the technical support for 30 minutes ...
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3answers
63 views

Router unable to connect to internet

Background : My ISP has a web based authentication scheme . So when I first try to browse any site , it goes to the isp login page. Once logged in , further requests to web pages work fine . ISP has ...
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2answers
286 views

How to disconnect/connect ADSL modem connection to ISP by command? (Windows 7 SP1 x64)

I want to write that command in a .bat file and run it by windows scheduler at certain times of night and morning. (for example: open connection at 23:00 and close it again next day at 9:00 ...
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1answer
98 views

ISPConfig Redirect types changed

I just installed a new version of ISPConfig on my server. I used to have the redirect type R but in the new version there are no letters, just full names like redirect or proxy. Can anybody tell me ...
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3answers
1k views

How to bypass port blocking for p2p network? [closed]

I noticed that my school is now blocking all the ports to prevent p2p network such as torrent downloading. Of course it is against school's policy to bypass it. However I am curious if there is method ...
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1answer
122 views

Troubleshooting acute latency of Akamai CDN

Since yesterday I cannot load a number of web-sites which all seem to depend on Akamai CDNs. Not affected web-sites work fine, no problems with speed or anything. The web-sites I cannot load are: ...
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225 views

Need to merge 3 ISP to one using Mikrotik OS v6.9

I have three ISP connections, with different speed connecting to our Mikrotik Router OS v6.9, which is installed on a Intel based CPU (i5+8GB RAM), with three Dual-Gigabit NIC cards. ISP1 - Connected ...
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3answers
88 views

Are bandwidth hogging users simply a myth for ISPs to charge more money? (Analysis inside) [closed]

From my understanding of networking, how can a single user hog all the bandwidth. Bandwidth is not something that is used. Packets are simply queued and sent on their way as fast as they can no ...
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0answers
37 views

A few computers loss internet but can access local resources , other 8 never loss connection

This is a small network with Comcast ISP ( Cable ), there are 11 PC connected to network all are wired Ethernet, the same 3 computers will loss there internet connection sometimes, not all at same ...
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1answer
159 views

Need Multiple IP addresses from one PC

I'm using it for online games and running programs for friends out of one PC. Limits will be placed soon, so my question is: how can I get a different IP address for each account loading up from one ...
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32 views

How do I make Windows switch Wifi connections when a limit is reached?

My Internet service provider only allows me a cap of 30gb a month. It's a 4g LTE router which I connect to wirelessly. I also have another 3g wireless router as a backup. Windows does not show "no ...
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3answers
212 views

Can an ISP provide two static IPs over a single cable?

Can an ISP provide my home or a business with two static IPs over a single cable connection so that they may be used simultaneously? If so, can someone point me in the right direction to understand ...
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3answers
250 views

If you connect directly to your modem how does the IP address get assigned?

From my understanding your ISP will assign (sometimes dynamically) an IP address to your router. (Or is it assigned to the modem? [I'm starting to think it is.]) If it is assigned to the router, ...
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26 views

Weird Network Issue…I have no clue what to do next

Last year I had a very weird issue that every few hours I would get huge pings(1700ms+) and my 15mbps connection would to like < than 1 mbps download and like 0.25 Upload. All devices on my network ...
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1answer
82 views

Why don't the ISP DNS-Servers sync with the Root-Servers?

Basics first: If I'm trying to access www.superuser.com my Computer first tries to resolve the FQDN to an IP address. If that address isn't in its host file or cache it asks the configured DNS-Server ...
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30 views

I moved houses (40 miles), kept same internet service, but much, much slower service

I recently moved about 40 miles to a new house. I kept the same service provider, same plan, and same modem/router. In my old house, the speed of the internet was a non-issue - click a page and you ...
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25 views

How can I tell if my ISP is intentionally degrading service of particular websites (eg video) [duplicate]

Some particular websites (youtube is a commonly cited example) frequently have poor streaming performance. How can I determine if youtube is just not good at doing video, or if my ISP is just ...
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1answer
69 views

How to make static IP address dynamic

My ISP gave me static IP Address. Is there a way that I can make this static IP Address dynamic? Perhaps using either proxy or any other application?
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1answer
202 views

Cost Of Bandwidth $20.00 per megabyte?

I have been in talks with local ISPS about getting fiber hooked up. Several of them have, rather cryptically, told me that they get charged "$20.00" per "MegaByte". This makes no sense to me. A ...
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2answers
297 views

Bonding 2 Internet Service Provider connections?

It's a silly question, probably, but anyway... I've got 2 Internet Service Providers: First provides a connection that runs over L2TP Second provides a Wifi connection Is there any way I can ...
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1answer
361 views

Troubleshooting an unstable internet connection

My MacBook Pro running OS X (10.9, but I had the same problem before) is connected to a Belkin router via WiFi and, using Virgin Media as the ISP, to the internet. The connection is extremely unstable ...
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1answer
461 views

-Bitcasa: Steps to detect cause and solve slow upload speed

I am using Bitcasa for backup, but with the current upload speed (<0,1 MBps), it will take over 17 consecutive days to upload 150Gb (which is the size I want to upload). I must have an upload speed ...
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2answers
438 views

How do I block my ISP from framing websites?

I've noticed recently, as of today, that all the websites I visit (except for a specific few sites such as Google) are all put into a frame. I'm not sure what the reason for this is, there are no ads ...
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56 views

Dynamic IP range

With a dynamic IP address, each time I start up my router I get a new IP address by my ISP. But is there any sort of range where that IP is taken from? I mean, after X new requests, is there a chance ...
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5answers
2k views

What keeps you from changing your public IP address and wreaking havok?

An interesting question was asked of me and I did not know what to answer. So I'll ask here. Let's say I subscribed to an ISP and I'm using cable internet access. The ISP gives me a public IP address ...
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478 views

freebsd server can't connect to internet when static ip is assigned

I have a freeBSD server that worked fine in its old location, but I moved it to a new location with a new ISP and a new static IP address. I replaced the old static IP with the new static IP in ...
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4answers
184 views

Is the SMTP of the ISP safe?

I am just curious, because I am using the SMTP of our ISP in my mailserver. Do you think it is safe to use, meaning can my ISP snoop in my emails? What do you think?
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110 views

Automatically add tracker url to any public torrents from any site while downloading

I've noticed an amazing thing today that I've never seen or heard before. Within my friend's ISP, any public torrent he downloads from any site no matter what (even if the site is hosted within his ...
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813 views

Avoid ISP blocking VPN connection

I have rented a Virtual Private Server and I have set up a VPN (of type PPTP) following this simple tutorial. It seems that the VPN server is set up correctly, and the VPS administrators told me that ...
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2answers
880 views

Difference between bandwidth and actual speed ? [duplicate]

I leased a line from an ISP that offers me a bandwidth of 4mb/s.But I receive only a speed of 160 kbps when downloading files over internet.I found that the actual speed I receive is the ISP ...
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3answers
101 views

If I don't use my ISP's DNS, what am I paying for?

I'm using google's DNS servers (4.4.8.8 and 8.8.8.8). As far as I know (which is very little) all an ISP does is be a DNS server. What am I paying for?
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2answers
196 views

Unable to connect local network to the internet using a router

I have a local network on a router. I want to connect it to the internet using another router from my ISP. The internet router from my ISP has a static IP that can be reached from the internet. What ...
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0answers
326 views

cant access my site is my ip blocked by ISP

I want to know if my ISP has blocked my website www.indolog.com . If i use another ISP it works fine. Below are the tracert log C:\>tracert www.indolog.com Tracing route to indolog.com ...
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87 views

Residential ISP possibly blocking SSH and other odd high ports - how to verify?

I have recently had a problem in a scenario where I am having to run SSH and some other high number port services behind a residential connection. I am suspecting that the ISP is performing some level ...
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56 views

Logging in to the university website displays an entirely different user account

Note: I'm using Windows 7, Google Chrome as the default browser. We also don't have dedicated IPs in my country I was trying to register online to the fall semester online through the website of my ...
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1answer
266 views

Why do ISPs block based on response url instead of request url? [closed]

First of all I'm sorry if the theory in my question is not correct or too lazy. Living in Syria, so many sites are blocked "the foolish way" I think. Some examples (always using HTTP) are: ...
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70 views

VPN failure after ISP switch

We are a small library and are trying to switch our ISP, but after the switch we have VPN and SIP failures. We have a DSL modem set up in bridge mode, we have a Juniper firewall, and Windows Server ...