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 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 ...
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1answer
68 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 ...
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1answer
49 views

Broadband ISP hack

My ISP allows me to surf www.youtube.com at 10Mbps speed but my normal speed for other site except Youtube is 512kbps. Is there any way to send all data (all other site) from my computer looks like ...
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27 views

Why is my ISP seem to use a long path to connect to a server?(Trace route included) [closed]

I am playing in a game server hosted in Australia, I am from Singapore. My ping used to be 240+ and now my ping is around 320+. It has been happening for 2 days already. From the tracert, the packets ...
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4answers
721 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 ...
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1answer
15 views

OS X - WLAN and LAN simultaneously on 2 ISP?

On iMac I want to use 2 different applications and using 2 different ISP. Is that possible and if how config? Weather app: Connected to my WLAN using ISP 1 Camera app: Connected to my LAN ...
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0answers
21 views

My ISP limits the speed for all Websites except one

I have a 512kbps adsl2+ connection but I only receive about 230kbps. QoS reserve is limited to 0 on my pc. But for https://dl.google.com (123.176.0.84:443) , I recieve about 512kbps. So is there any ...
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0answers
26 views

losing internet connection after isp switch

Switched ISP's. First had no issues. Second, same type of router(Arris) and faster connection. (Only difference is ISP and router) When I am "surfing" regularly I can't load pages and get the ...
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55 views

IPv6 configuration: ISP is blocking Neighbor Discovery

My ISP offers IPv6 to interested customers, but doesn't provide any support in this regard. I've been given a /64 prefix (let's call it 2345:6789:11:22::/64), a gateway address (2345:6789:11:22::1) ...
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73 views

Extremely slow download speed, could my modem be causing it?

First off all I want to thank everyone who is reading this. This will be a long problem so I really hope someone has an answer, as my ISP doesn't. For over a month we have been experiencing ...
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2answers
64 views

What does 'server down' mean?

Many times i/we heard from our ISP that their servers are down so i cannot use internet for some moments. According to me this is a server. So my question here is: Do they use computer servers to ...
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1answer
38 views

How to get my email to send from outlook after switching to Frontier service provider

I have recently moved to a new location and brought my computer with me, naturally. I purchased internet service through Frontier and figured that my POP email on Outlook, through secureserver.net, ...
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1answer
52 views

How is the internet connected? [closed]

A bunch of related questions on how the Internet is tied together ... So a web request goes from my browser to computer, then to my modem which is connected to my ISP through copper cables... What ...
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0answers
17 views

Local Network Addresses Visible to ISP

While I was on a support call with my ISP, their network engineer started listing IP addresses that were visible to him on my local network. He was right on the money as far as IPs that were up. I'd ...
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3answers
44 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 ...
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0answers
62 views

Dilemma about how my wireless devices obtain IP address

Currently in my network there are 7 wireless outdoor equipment and 1 switch . This switch act as backbone switch for my network as internet supply from ISP is connected to this switch. Through this ...
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2answers
89 views

Strange IP addresses given from router.(ISP limits number of addresses?)

Let me explain the situation: I have wireless router, that connects to DSL modem, that later goes to ISP(by f-connector if it matters). Then I have two problems with it: 1) Wireless router gives the ...
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38 views

Home Server comcast residential account

I have a home server set up through a comcast residential account. On the server I have several wordpress sites. In the wordpress sites I have to go into general--> settings to set the ip address to ...
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1answer
2k 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: ...
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2answers
69 views

Is it possible for my ISP to detect my true internet speed? [closed]

I just got a new router installed, with a plan for 6MB/s, but realistically, I never get above 3.5MB/s. I'm curious: If an ISP wanted to, could they detect my true average internet speed, so that I ...
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1answer
51 views

Why does my modem takes many attempts to connect to internet

I have this old DSL 502T Dlink modem router(wired). I have been using this for many years without any issues. Recently though, there is issue connecting to the Internet (WAN side). It takes many ...
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0answers
27 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
280 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
821 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
269 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
67 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
156 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
126 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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1answer
387 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
53 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
2k 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
18 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
883 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
71 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
545 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
485 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
6k 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
215 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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472 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
121 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
39 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
219 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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0answers
45 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 ...
6
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3answers
628 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
1k 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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28 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
117 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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34 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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0answers
26 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
173 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?