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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How to check if your ISP does video throttling?

I’ve recently changed my ISP and noticed that I no longer can watch video sites like YouTube in real time; I need to wait for buffering first. On both ISPs, my speed was same 5 megabits per second. I’...
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A Canadian in Berlin - problems with FTP and IP numbers - anyone have ideas?

Thanks for taking the time. My problem- I am a Canadian (with Canadian laptop) presently in Berlin. For some reason I am having repeated connectivity problems -- At my flat I cannot connect via ...
Kristan Smith's user avatar
2 votes
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Imgur images take too long to download

Short description Recently my ISP changed my modem/router and I'm experiencing now slow downloads in some sites (imgur.com, tenor.com for example), that worked fine with my previous router. I'm not ...
solde9's user avatar
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Why internet traffic behind ISP is not subject to captcha like a VPN?

When I'm using the internet from my ISP 'directly' (I mean with no VPN or proxy), I can surf the web freely and almost never encounter a captcha but as soon as connecting to a VPN service, captchas ...
wiki's user avatar
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Losing internet after IP switches from valid public IP to a private IP, what could be wrong?

Basically I have had to call my ISP around 20 times in the last three weeks about this issue. My internet disconnects and my IP changes from a public IP in a valid range for my ISP to something in the ...
Citut's user avatar
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Internet drops frequently unless running an infinite ping

My internet tends to cut out and then return a few minutes later, I've been struggling with this issue for years with Comcast, I've gone through ~4 modems, and 2 routers and countless technician ...
Raku-cat's user avatar
2 votes
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620 views

403 Forbidden error only for wikipedia site

So I was browsing the Internet and everything was nice and dandy suddenly my favorite site wikipedia gave me this: Forbidden You don't have permission to access this page. I have been trying ...
open_sourse's user avatar
2 votes
3 answers
584 views

Can my ISP find out if my wireless is protected or not?

Im just wondering how much my ISP knows about my activities. I have a Modem from them this modem then connects to a SITCOM wireless router which then leads to MY PC's, Phones, Laptops. I really need ...
Zakukashi's user avatar
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138 views

How to setup a VPN on a Fritzbox 6690 Cable without IPv4

So I have a Vodafone Contract and need to route all my traffic through a VPN. Unfortunately they only provide IPv6 adresses and handle IPv4 trough DS-Lite. I called with customer support and it's not ...
C5H8NNaO4's user avatar
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Recurring issue of random websites experiencing timeouts in home network until router reset

I am encountering a networking issue for many years now, and mysteriously the only common factor across these years is... me. Which doesn't make any sense, so I've finally decided to ask here. So, the ...
CherryDT's user avatar
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Domains seemingly throttling my connection since I switched ISPs

Overview I recently switched internet service providers and ever since I've been having issues loading certain sites. The tech support folks were of little help, and I suspect the root cause is ...
Jam's user avatar
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Setup fiber home network with single Router connection to FTTH ISP

Networking noob here. I have the following network setup at home (north Germany) right now: As you see, the ISP ONT inside the top floor of my house has an SC/UPC connector that connects to a ...
PhoenixDev's user avatar
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Port forwarding works for friends that have the same ISP as me, but It doesn't work for anyone with a different ISP?

I'm trying to host a Minecraft server at home for friends, and it's not going well. I have done the following: Set up the server Allowed the server through the firewall Configured my router to allow ...
remington anderson's user avatar
1 vote
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977 views

Internet speed tests show fast download speeds, but "real-world" download speeds are significantly slower

Before we begin, I would like to clarify that I am aware that internet speed is measured in Mb/s (megabits per second) while most applications show download speeds in MB/s (megabytes per second), and ...
fff's user avatar
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What does it mean that I can detect two different public IPs from the same workstation?

Recently while trying to set up a new VPN configuration, I found out that I could detect two different public IPs: one by querying google (what is my ip) and the other by curling ifconfig.co. This ...
hanzo2001's user avatar
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What to do when your DNS provider goes MIA?

I registered a couple of domain names with a VPS provider a long time ago (over 10 years). I stopped using the VPS over two years ago, but I never discontinued the DNS name registration with them. ...
paulsm4's user avatar
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Why does my ISP give me free Dynamic DNS service?

Recently when doing a reverse IP lookup on my own ip address I noticed that my hostname was set as [insertAccountNameWithISPhere].plus.com when I go to plus.com it redirects to Plusnet who is my ISP. ...
Chaim Stanton's user avatar
1 vote
1 answer
414 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 ...
user avatar
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0 answers
61 views

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 ...
Christian_'s user avatar
1 vote
1 answer
871 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....
The Real McCalvin's user avatar
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4k views

Interleaving, and its effect on VDSL2 latency

(Re-posting from Network Engineering SE, turns out this was actually off-topic there.) Having moved to a new house I hired with an ISP a broadband internet plan. The technician told me I live really ...
Marc.2377's user avatar
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1 answer
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Nat type Strict, how to change it to Moderate or Open? Behind a router from my ISP

I'm having a Nat type strict, checked using the Xbox networking method on Win10 (Settings---Gaming---Xbox Networking). Firstly, the problem I suspect, is I'm behind a router from my ISP. as my normal ...
azez El's user avatar
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130 views

Changing DNS does not "take effect"

I've been trying to troubleshoot this for the past 2 days, I've tried so many things and I'm just tired and need help now. First, a short description of my whole network: I get service from 2 ...
Skylark's user avatar
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Internet connection slow only on http downloads (but not on speedtest)

Here are the facts: I have 1gbps broadband connection with my ISP in Catalonia I download very fast using Torrent, Steam, Epic Games launcher, etc. at like over 100mb/s SpeedTest also shows arround ...
Aleix's user avatar
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1 answer
508 views

How can I ping my neighbor's Coax'd Modem?

Main Question: How can I, or why can't I, directly ping/access my neighbor's PC (or even Modem) over the Coax without having an ISP? (tracert from me to him directly). Related (wik): Aren't all of ...
Suamere's user avatar
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362 views

On a home DSL line, why would PING fail, but LCP echo work fine?

Odd network issue - I have a VDSL (fibre-to-the-cabinet) line to home. My router connects via PPPoE to my ISP, and the ISP then sends regular LCP echo packets to monitor the connection and show ...
David's user avatar
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How can ISP be prevented from remotely accessing modem?

How can I prevent At&t from messing with the modem? Backstory: At&t seems to have updated the firmware on the Arris NVG599 modem and all the settings were lost. After updating the static IP'...
Altimus Prime's user avatar
1 vote
1 answer
2k views

port forwarding, ports are blocked

I did the following steps for accessing a http service that is hosted on my lan from outside the network. registered a hostname in no-ip. downloaded and installed duc did port forwarding setting on ...
user863740's user avatar
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188 views

Can a cheap ADSL modem router be responsible for frequent disconnects from and speeds from/to my ISP?

I experience frequent disconnects from my ISP (about 100 every day). Some connections do not last longer than a few seconds. I also experience very slow internet download and upload speeds – even ...
Alex Ixeras's user avatar
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228 views

What will happen if I connect multiple ISPs to a single router?

I have just started learning about routers and switches and how they are used in designing a network. Connecting multiple routers and making them self-configure, causes them to dynamically discover ...
Sreram's user avatar
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Can cable signal strength cause failures in particular layer 3 protocols?

In the past, I've lost 98%ish IPv4 connectivity on my Comcast connection, but I had IPv6 connectivity fully. (IPv4 SYNs, or the corresponding SYN-ACKs (it's hard to tell) were getting dropped most of ...
Thanatos's user avatar
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ISP error in routing to a specific IP subnet. What can I do?

I have a brand new VPS on IP 155.xxx.xxx.xxx. I started to configure it and all of a sudden, the SSH connection shut off and I could no longer reconnect to it from my office PC. Tried later on to ...
Pyheme's user avatar
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485 views

High ping when using router directly via WiFi

My router (after having a plan upgrade) is giving me poor connection and very high ping. My ISP is telling me that the problem isn't on their end but mine. If I use my own router for WiFi and piggy ...
James Adams's user avatar
1 vote
0 answers
895 views

Youtube video loads from ISP, not Google

Using Wireshark, I noticed that the Youtube video I was watching had the source address of my ISP, not Google. Does this mean my ISP is using Google Cache and loading all video from there? If so, what ...
black's user avatar
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2k views

How to check if my ISP is changing in any way a request to Google's DNS?

The problem is that superuser.com, stackexchange.com and many other sites didn't work. When I was debugging the problem, I tried nslookup: user@host:~$ nslookup superuser.com 8.8.8.8 Server: 8.8....
JorgeeFG's user avatar
  • 416
1 vote
1 answer
287 views

Site is not reachable from my provider

My ISP is Optus (Melbourne, Australia). When I visit the site, http://www.ozon.ru, its content loads but the script sourced from (presumably) CDN, http://bundle.ozon.ru/ozon/1.0.6.164/js/bozon.min....
Koterpillar's user avatar
1 vote
0 answers
526 views

How to bypass per socket speed limit of my isp?

well my isp slows down the internet by puting per socket speed limit from evening till midnight total speed of connection stays ok if something i am download uses multiple socket but things that use 1 ...
Naeem Ur Rehman's user avatar
1 vote
1 answer
999 views

Making Sense of ISP's Network Topology

I recently noticed something odd while performing traceroutes from my home network, and its made me wonder as to the architecture of my ISP's network. My home network uses 192.168.0.0/16 addresses (...
PriceHardman's user avatar
1 vote
0 answers
56 views

Google Services doesn't work with google DNS

I use DSL at work and home, from the same ISP. I have the same router with exactly the same model at both locations. I Have configured the two routers with the very same configuration except the ...
mostafa's user avatar
  • 96
1 vote
1 answer
827 views

Using Public IP (assigned from ISP) in local network

I'm an ordinary home user, who have 3 PCs, and i'm connected to the internet through an ordinary modem/router. I have received one public IP address from my ISP (in addition to another public wan one)...
mostafa's user avatar
  • 96
1 vote
3 answers
4k views

How to get my router IP address (assigned by ISP via DHCP)

My router has a WAN PRIVATE IP address which is assigned via DHCP by my ISP. This is different from my public IP address of course. In my router settings page I can read it: 10.245.134.71, and ...
dioporco's user avatar
1 vote
0 answers
501 views

Issues forwarding ports after ISP IP Address change

My ISP recently (today) changed the dynamic IP address of my service, and has caused me some issues. First off, I had to reset my static local IP, but got that taken care of. My router, model: ...
Pazuzu156's user avatar
  • 111
1 vote
2 answers
632 views

How to IPv4 through IPv6?

My ISP (Unitymedia Germany) tunnels IPv4 traffic through slow and unstable CGNAT (they call it "AFTR", which seems to be a similar thing) but comes with reliable and native IPv6. Now, is there any ...
Cobra_Fast's user avatar
1 vote
2 answers
600 views

Two (multiple) internet providers?

I have two (multiple) separate internet providers. Is it possible to setup my network so that it use both (all) of them to speed up both download and upload (packet-level routing)? If it is not ...
Dims's user avatar
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1 vote
0 answers
146 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 ...
Ron's user avatar
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0 answers
113 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 ...
user294889's user avatar
1 vote
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833 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 [199.223....
Manzoor's user avatar
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1 vote
0 answers
64 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 ...
Lynob's user avatar
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1 vote
1 answer
1k views

How is LAN diagram/schematic where my cable modem is connected to?

I'm not an IT guy, i'm just home user which know a bit about networking. I'm trying to learn how the connection (LAN) is built in outer side of my home LAN. Here's the diagram : PC (IP:192.168.1.100)...
andio's user avatar
  • 283
1 vote
2 answers
251 views

DHCP Renew on FW restores Internet Connection - why?

Home network, Cisco ASA 5505 9.0(1), Windows Server 2008 R2 (actually SBS 2011), various Mac, Windows and embedded clients. ISP is Rochester, NY Road Runner. Often (2-3x per day) my embedded devices ...
binarydaze's user avatar