Questions tagged [isp]

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.

Filter by
Sorted by
Tagged with
355
votes
5answers
87k views

Who provides the Internet service to Internet Service Providers (ISPs)?

I've been wondering recently about how the infrastructure of the Internet really works. I know that I have an Internet Service Provider (ISP) that supplies my connection to the Internet. But what ...
190
votes
24answers
13k views

What are some options for transfering large files without using the Internet? [closed]

My employer's Internet connection is extremely slow. It's a $6,000 a month, 9 Mb, bonded T1, shared by over 150 users. It's not untypical to see regular file transfer speeds of 20-100 KBps. And ...
55
votes
4answers
4k views

How to prevent my ISP from putting every website in a frame?

My ISP has a bad habit of putting every page I visit into an iframe so they can overlay it with their commercials etc.. (I'm guessing they are using a transparent proxy to do it) Is there an add-on ...
39
votes
5answers
4k 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 ...
39
votes
4answers
106k views

How can I monitor my ISP's connection quality over time?

I've got a very bad ISP and want to monitor the connection quality over a month's time. At the moment I just wrote a script which logs ping requests to Google's DNS server 8.8.8.8. How can I do ...
32
votes
8answers
23k views

Can my ISP monitor me?

I'm an atheist visiting a islamic republic where the punishmnent for apostacy may be high. Is it possible for an ISP to see the websites I might browse or what kind of blasphemous conversations I ...
25
votes
4answers
128k views

How to… Internet without ISP?

I know that servers are connected "directly to the internet", at least big servers like Google, right? So, how can I connect my computer to the internet without an ISP? Is it possible? Is it legal? ...
25
votes
5answers
37k views

How much information can my ISP see?

Is it possible for my ISP to see the passwords that I enter on websites and in chat programs? And what about SSL websites that start with https, do they encrypt my username and password before ...
24
votes
4answers
5k views

Can my ISP see SSIDs on my router/modem provided by the ISP?

I rent a cable modem from my ISP that has its own Wi-Fi capability. Does my ISP have the ability to track various settings on their modem, such as wireless network SSIDs, etc? Also, if I were to add ...
24
votes
2answers
6k views

Will I be more secure with my own router behind my ISP's router?

My ISP has been accessing my router, (to fix or update something). The ISP’s router is GigaHub 823G-2 (FTTH conection) and my router is a TP-Link TPTD-W8968. They accidentally changed my SSID and ...
18
votes
1answer
4k views

What protocols does a typical home router use when talking to ISP?

My home router connects to the ISP via coax cable (Verizon FIOS or Comcast Xfinity, here in the US). Fitting into the OSI 7 layer model, what layer 1 (coax?) and layer 2(still Ethernet?) protocol does ...
18
votes
7answers
14k views

Is it possible to find out which upstream DNS server my router is querying? (just using dns tools)

Ok, here is the setup: I have a local router which advertises itself as the DNS server over DHCP. The DNS resolver on the router just forwards the requests to the ISP nameservers and caches the reply. ...
16
votes
2answers
924 views

How do I block my ISP from framing websites? [duplicate]

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 ...
15
votes
5answers
35k views

Why is my DSL connection so slow, when my neighbor's is much faster?

I've just moved into a new house (new for me; the house was built in 2006). I've purchased DSL service through AT&T, paying for speeds "up to" 768 Kbps downstream / 384 Kbps upstream. My issue ...
13
votes
4answers
70k views

Is there a simple way to detect ISP port blocking?

Is there a way to tell the difference between my ISP blocking traffic on certain ports and my NAT router/firewall blocking that traffic? The sites “Shields Up” and “Can you see me” show my ports ...
12
votes
8answers
3k views

Is it possible to merge my ISP and cellphone Internet access? I want to split download and upload [duplicate]

I would like to use my ISP for download only, and my cellphones 4G connection for upload only. This is because my ISP's upload speed is poor, but download is OK, and my 4G upload is great and free (I ...
12
votes
4answers
32k 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 ...
10
votes
4answers
22k views

Why does my D-Link DSL-2730U router claim the firmware update “contains an illegal image”?

I have a D-Link router. Its software (firmware) causes a lot of problems so I try to update it. My router model is DSL-2730U so I downloaded the original firmware from this site: http://www.dlinkmea....
10
votes
4answers
33k views

How to effectively diagnose ISP throttling (or other ISP related issues) and what to do about it?

My question is a bit general but I assume there has to be a good, specific answer to my problem. I, like many, am beginning to wonder if my ISP is throttling my home internet connection. I'm not so ...
9
votes
1answer
5k views

Can using a VPN prevent my ISP from seeing data usage in 4G internet?

I have 4G Internet USB and I was wondering if using a VPN will prevent my ISP from seeing the quota usage. I know that using a VPN on a cable internet won't achieve this because the switches of the ...
9
votes
5answers
5k views

How can I circumvent BitTorrent throttling?

My ISP is a reseller of Bell Canada DSL service. Bell uses Deep Packet Inspection for all of its users and resellers to limit the bandwidth consumed by P2P applications such as BitTorrent. Bell ...
8
votes
1answer
1k views

Is the Windows Firewall mode “Private” obsolete with IPv6 for home users?

Home users are generally expected to set the Windows Firewall to the Private profile when they are connected to their home network. The most common setup is being connected to the ISP provided router. ...
8
votes
1answer
13k views

Very low SNR and very low line attenuation, what's up with my ADSL?

I have an ADSL connection, I live a couple hundred meters from the local telecommunications cabin. My router says that SNR is 4.8 dB, line attenuation is 9.5 dB and power is 9.8 dBm. From Google I ...
8
votes
3answers
7k views

How can I prove (with logging) where a port block is occurring?

How can I prove (with logging) where a port block is occurring? I've set up an FTP site on IIS (windows 7 home) and set up a rule in the Windows Firewall allowing access. The ftp site is accessible ...
8
votes
1answer
28k views

Why do I keep getting redirected to “/cgi-bin/redirect.ha”, when using AT&T U-Verse?

When browsing the web, I occasionally get redirected to "/cgi-bin/redirect.ha". Closing the browser or flushing the cache seems to fix it sometimes, but not always. Sometimes I'll see from Google: ...
7
votes
7answers
10k views

Can my ISP block my connection so that my laptop can't detect a LAN?

I recently moved into a room in a dormitory. This room has a wired internet connection. The problem is that when I plug the cable into my laptop (HP Pavilion g15) it doesn't detect anything, it is ...
7
votes
5answers
7k views

Does an ISP have admin access to your modem/router?

I use a Zyxel P-660HN-T1A modem/residential gateway to connect to my home ADSL subscription. I called my ISP today to inquire about upgrading to a faster broadband package. For some reason, my call ...
7
votes
1answer
28k 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 ...
7
votes
1answer
16k views

Throttled download speeds on new router with Comcast (ipv6 vs ipv4)

Issue with Comcast cable on Linksys or Cisco routers (and others) involving throttled download speed on ipv4. I recently upgraded my internet service to 100+ Mbs and also upgraded my router to ...
7
votes
1answer
347 views

monitoring ISP bandwidth data

On Windows/Linux, what would be a way to run a sample measurement of the bandwidth that I have available? I need to run a measurement at periodic intervals. There are many website which will give you ...
6
votes
7answers
25k views

Is there any way to bypass ISP-based redirection of webpages after credit finished? [closed]

My ISP has different Internet plans and some of them are limited traffic and once the monthly traffic has reached, any webpages will be redirected to a specific IP address showing that the credit has ...
6
votes
3answers
40k views

Does Hotspot Shield hide my activity from my ISP?

Can Hotspot Shield make your activities invisible to your ISP? Or can they still see what you're downloading if they so choose? Here's the text from the product description: Hotspot Shield ...
6
votes
3answers
12k views

Upload Download speed difference [duplicate]

When I test my hi-speed, I get (approx>): 9.7 Mb/s download .51 Mb/s upload 8ms ping. Why is there such a disparity between down load and up load?
5
votes
1answer
3k views

Slow Steam download speed [UK]

I am with the British ISP Plusnet I ran the Ofcom speed test which confirmed my speeds are as advertised: However, when I download in Steam I only get the following (even when unchecking limits on ...
5
votes
1answer
4k views

Same Public IPs is possible?

As I understand two computers can't have the same public (external) IP address. Except for if those two computers are connected via the same router, then they can have (share) the same public IP ...
5
votes
3answers
451 views

How to disable Comcast mistyped address page?

I upgraded my Firefox to v7 (I am on Ubuntu if this matters). Before, I could type in the address bar "ebay" or "gmail" for example, and it would take me to those sites. After I upgraded, it redirects ...
5
votes
4answers
12k views

Does my ISP know what sites I am visiting? [duplicate]

I am using Google Chrome in Windows 7 for Internet access. I am very curious to know if my ISP knows or not which sites I am visiting or what I am downloading. If it knows then to what extent (meaning ...
5
votes
3answers
11k views

How does an ISP assign IP?

I've noticed when I reconnect to internet, the last two bytes of IP address static IP changes. Does that mean when I disconnect someone else could have the same IP? How does this process differ from ...
5
votes
3answers
1k views

ISP tricks DNS?

Running "nslookup google.com 8.8.8.8" yields IPs of my ISP (as Non-authoritative answer). I think this started occurring recently. Probably they are making cache or something, as nearest Google data ...
5
votes
3answers
11k views

Hosting a web site at home: ISP Blocking port 80?

I presume this is a better place to put this rather than server fault. I'm interested in setting up a small site to host at home as a "proof of concept" exercise, i.e. to prove that I know how to do ...
5
votes
1answer
785 views

How do TLD DNS nameservers acquire records for authoritative nameservers

I'm going to make a few assumptions based on my current knowledge, so please correct me if I'm wrong. Lets say you want to go to www.example.com but your browser, host and ISP nameserver do not have ...
5
votes
3answers
284 views

Can my ISP intervene or force me to see something beyond my control?

My ISP is the largest in the country and known as SLT (Sri Lanka Telecom). Through a single router/ADSL Modem, we have a small home network. Lately, I see a message appearing from my ISP asking me ...
5
votes
3answers
7k views

How does geolocation based on IP address work?

As all Internet users, I've visited web sites which appear to know in which country and city I'm located. I understand that these web sites typically look up my IP address in a database which maps IP ...
5
votes
2answers
236 views

My ISP responded to my request with another user's content, is that permissible? And if not, how can I prove it?

Over the past 3 months, I've had two instances when I visited stackoverflow.com only to discover myself logged in as a completely different user. This seems to have happened to others as well. In that ...
5
votes
3answers
3k views

ISP is inserting ads into web pages

My ISP is inserting ads into web pages randomly (it is like a popup in the bottom right side). I have tried different browsers but same thing happens. I know it is not caused by any virus because ads ...
5
votes
1answer
16k views

What information can my ISP see from my router?

I installed a new router today and saw my IP address change because the new router has a different MAC address and I am just curious on what information my ISP can see from my network. I know they ...
4
votes
2answers
9k 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 ...
4
votes
4answers
424 views

ISPs hijacking DNS errors on the web

I've noticed that ISPs have started hijacking DNS errors and show their own error pages instead (complete with annoying graphics and ads). Is there any way to fix this, or are they doing it on their ...
4
votes
2answers
6k views

Why am I not getting anywhere near 7Mbps download speeds?

Why am I not getting anywhere near 7Mbps download speeds? I'm paying for 7Mbps download speeds and yet the fastest I can get anything is around 360Kbps. It doesn't matter what time of day it is or who ...
4
votes
3answers
8k views

When using a VPN, would my ISP still be able to read my internet traffic?

If I'm using a VPN service such as this, would my ISP still be able to read my internet traffic?

1
2 3 4 5
12