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.

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53 views

Can ISPs fake the results of internet speed test?

We moved to a new one he claimed to give us 15mb/s to 30mb/s and 30mb/s upload speed. If you go to any speed testing site, like fast.com or speedtest.net or any other, you see that it shows 30mb/s ...
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230 views

What is my ISP doing or not doing that is causing these problems? - advanced networking

I'm not sure if this is where I should be posting this question or if it's the right type of question to ask here but here goes. I posted it on network engineering but someone told me to come here. I'...
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53 views

Unexpected slow speeds with my ISP when connecting to websites hosted in other countries

My ISP have this strange problem. It works good on sites hosted on servers in my country, but is miserable when it comes to internationally hosted websites esp during day time. Other ISPs available ...
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45 views

Why am I able to login to another ISP account from my ADSL modem?

We connect to the internet using ADSL installed on the existing phone system (copper wires) and via several ISPs. Every subscriber, from his ADSL modem/router, can log in to any ISP (other than his ...
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Network slow /After/ shutting down torrent and until restarting modem-router - ISP or faulty router?

I'm trying to figure out what's causing my home network to slow down dramatically (from a stable 500Mbps to 10Mbps w/ lots of packet loss). From what I've noticed it happens after using bitTorrent (...
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Different ISPs with Bridged Mode and PPPoE

I have a passive FTTH connection at home, which is connected to an optical media converter and then to a D-Link DIR-615 router. The ISP has given me PPPoE credentials, using which I connect to the ...
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16 views

Is it possible to send two different internet connection using same media converter?

I have a broadband internet connection that ISP provided me with one media converter. Then the connection is divided into two with a lan switch to provide connection to my neighbour. Is it possible to ...
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23 views

How do APNIC purchased block of IP Addresses appear on internet

Let's suppose I'm a company and I have purchased a block of 256 (x.x.x.x/24) public IP Addresses from APNIC. Now a company will have internet purchased from some ISP and that ISP assigns a public IP ...
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28 views

Speedtest.net shows slow download speed but task manager shows otherwise

I got a new ISP which worked fine for more than 3 months but on the 9th day of lockdown, the speed reduced to 1/10th. I blacklisted all of the other users but the speed remained slow. I then ...
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Configuring OpenVPN Client ByPassing all the traffic to ISP Traffic via Secured Tunnel

Looking at the two Routing Tables, even after the VPN is up all the traffic to the wider Internet is still going via an ISP, not across your tunnel, with the gateway of 192.168.43.1 before or after ...
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150 views

YouTube keeps redirecting me to a strange address: “youtube.xcdn.app”

Every time I try to connect to YouTube with any browser it redirects me to this strange address: youtube.xcdn.app Ii tried to check if this address is available to everyone via “Is It Up or Down?” ...
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85 views

Weird ISP setup: Static ip behind carrier-grade NAT

I'm new to "ISP level" networking so this question might be a bit naive. I've been having weird network issues in linux machines. As a debug/learning initiative, I decided to try and replace my ISP ...
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How can I monitor my ISP Connection quality over time

I would like to find a way to monitor my ISP connection quality over time. I regularly seem to drop my internet connection. It does always seem to come back. I have tried three different wifi ...
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32 views

Internet speed lower for websites which are physically very far during day time

I got a new internet connection recently and I am testing my internet speed and I am noticing some strange observations. For the record, my location is India and typical speed test websites report 3ms ...
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46 views

Any advice using ISP’s Modem/Router Combo with internet switch

I just bought myself a internet switch, because I could not use any ports on my own router (I'm going to add another pc later). Before installing everything I want to ask you if this method I want to ...
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How to connect two computers across the web using VPN / LAN

I see this free LAN software offering P2P connectivity: https://www.freelan.org/configuration_examples.html it has this example: my question is - what defines "bob.someisp.com" and "alice....
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Why my routing preferred over far away upstream provider than local upstream?

Here's a good example: I have a server located in my country, and I purchased from two upstream/transit providers to route my traffic to the world. Upstream A is located in far away region, and ...
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1answer
46 views

Dual Wan Load Balancing speed

I have a Dual WAN Linksys LRT224 and two ISPs. If I have two 50mbps ISP configured in load balancing, will my overall speed increase above 50mbps or close to 100mbps?
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public service over cellular network

how does it possible that applications in a cellular network are using the outside servers resources.but if you run for example a simple web server other's cannot see your web pages through the public ...
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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 ...
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45 views

How can I block my ISP's search engine?

I have Verizon internet but I've seen this with other ISPs as well. If I click something that looks like a link but isn't, I get redirected to a Verizon search page saying "no results for link....
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What is my ISP doing to my internet, Extremely slow internet and …?

My usually 8 Mbps home connection has been extremely slow for the past few days, with all pages I visit taking much longer than usual, some taking more than 30 or 50 seconds to load. and the online ...
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4answers
142 views

Can I assign myself any external IP address that I want? [duplicate]

I have a static external IP address that I got from my ISP. They told me I needed to enter it into my router settings which I did and it worked. But I don't understand how it works exactly. Does it ...
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391 views

ASUS router won't connect to the internet: DHCP is not functioning properly

I am trying to connect a new router to my modem, however the router is telling me that it cannot connect to the internet: "Your ISP DHCP is not functioning properly". I've tried factory resetting, ...
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67 views

Networking setup for single static IP

Right now I am trying to figure out the networking parameters of an upgrade of my service from my ISP. Right now I have a home network with a residential dynamic ip address. I am working on an ...
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71 views

Is my UK ISP blocking a legitimate website?

UK ISPs are not well known by me for blocking websites for censorship other than blocking illegal sites such as child porn or torrent sites, yet when trying to access PubMed (Desktop Site or Mobile ...
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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 ...
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78 views

Can an ISP download data using TR-069?

I have a router supplied by my ISP which has a TR-069 feature and my ISP disabled the ability of controlling that TR-069 (toggling it or configuring it) My issue is that I am on a limited quota ...
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101 views

Can the ISP see the path of a SOCKS proxy chain

While I was reading an article about proxy chaining https://resources.infosecinstitute.com/proxy-chaining/ I've stumbled upon this paragraph Even if you use proxy chaining you can’t be 100% ...
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Connections fail a lot - how to quantify ISP quality over time

For the last couple of weeks my internet connection has been very unstable. Any website I try to visit will fail 60% of the time with a "server could not be reached" type error and after many ...
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33 views

Can Port Control Protocol (PCP) work for two ISP customers that want to host a service on same port within CGN?

Let's say there are ISP customers that were assigned to a shared address space of CGN. connections were established and PCP client is enabled. Now what happens if two customers wanted to host a ...
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37 views

Webserver not accesible to devices outside LAN

I have a docker container running tiangolo/uwsgi-nginx-flask:python3.7. At my parents place I had it working perfectly. They have verizon as an ISP and use a Verizon provided modem/router. I port ...
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*Why* do ISPs block traffic on specific ports? [closed]

I've went down a rabbit hole after discovering that I couldn't ssh into a machine while on Starbucks WiFi (don't ask). I've read about how to get around it, which ports are blocked, but not why port ...
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263 views

Can I circumvent my ISP blocking my chosen DNS servers?

My ISP suddenly started blocking my DNS (I was using google 8.8.8.8 DNS and 1.1.1.1) I could ping to 8.8.8.8 or 1.1.1.1, but no access to DNS service. I could not ping to any web address. I was ...
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72 views

How does my ISP know my used bandwidth/quota?

I've always asked this question in my mind but couldn't answer it. I searched about it and found only one search result ( https://community.spiceworks.com/topic/338720-how-do-isp-s-monitor-your-data-...
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Join two routers / internet connections under one SSID

I have two networks. A & B. Both A & B have WWW access via independent ISPs. A is a fast network. B has the printers. In theory I'd like to join the networks under one router/SSID and use ...
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1answer
602 views

How to overcome my ISP router limitations (1Gbps ports on 2Gbps connection)?

Here is my problem : I recently switched to the quickest ISP available in my region : Orange. It offers 2Gb/s FTTH internet connection, but the crappy provided router 'Livebox 5' only has 4 gigabit ...
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1answer
45 views

Can your ISP really control whether your internet signal works wirelessly or not?

I purchased my own router and modem years ago to avoid the infamous $5 rental fee, but recently noticed at some point it reappeared on my monthly billing. I thought it was strange, called the ISP and ...
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77 views

ISP Blocking SNI Extension (Server Name Identifier) In Windows 10 But Not Server 2016

Out of curiosity I noticed my ISP (talktalk - UK) was able to block certain websites by the SNI Extention, however only from Windows 10. When attempting to access the same website from Server 2016, it ...
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Can't connect to pi server outside of LAN

I followed several tutorials online to set up an apache server on my pi 3b+, i am able to connect to my device only on my LAN using the ip address as well as a ip registered through namecheap, and ...
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950 views

How to convert a PON interface to a WAN interface in my home router

Is there a way to convert my router's "PON" interface (for fiber cables, see following picture) to a WAN interface (not LAN)? My final goal is to "see" the device as it was connected to the ISP (and ...
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1answer
35 views

Can one access data generated in a Wi-Fi network from the modem?

I find this question is best phrased with a scenario, so here goes nothing. Scenario Tom owns a modem and a router, and gets internet service from Comcast. Tom uses his router to broadcast his own ...
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404 views

How to remove ad script malware injection on Firefox

I'm using linux mint tara. When I browse through firefox, occasionally an encrypted script is getting injected into the page that I'm browsing. When clicked anywhere on the page opens a popup ad. How ...
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191 views

ISP for audio streaming: Dynamic IP vs. Static IP

I'm an audio streaming enthusiast and would like to know the differences between an ISP that provides a Dynamic IP with another one that has a static and private IP. What's the recommendation for ...
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85 views

Are these signs that my computer is being monitored or hacked?

I'm using this ACTalk.exe for work. It's an online classroom. Several months ago, whenever I look at Windows Performance Monitor, I can see ACTalk.exe connecting to several IP address which I think is ...
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Make my LAN independent for local routing (DHCP + static routing) while connected to a cable modem with DHCP which cannot be disabled (ISP)

First of all, I want to say that my knowledge about networking is basic (I'm a web developer, not a net admin :D) I have a local network composed by: A cable modem with routing capabilities (Let's ...
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75 views

My ISP does not redirect http to https for Squarespace hosted sites

I recently discovered that my ISP does not load websites hosted on Squarespace, unless the URL includes the "https" prefix. If the URL just points to example.com or www.example.com, or http://www....
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240 views

I am on Carrier-Grade NAT (CGN) and port forwarding works. How is that even possible?

As you can see from the picture, I’m connected to 100.64.73.69 WAN private IP address, and by enabling UPnP, I’m able to host any services I want. I tried DMZ, port forwarding/triggering and all of ...
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62 views

Will the Public ip addres change after changing the Router/Moderm

I wanted to know if the public IP address will change after changing the Router (And is there a way to figure out the public IP on a Raspberrypi) Thanks, Ananth
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is the isp gateway ip ONLY bind on 1 device?

My case, I have a router (with isp that change gateway ip regulary), a client on that router (raspi) and other device with internet outside router network (android phone). I get isp gateway ip 10.196....

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