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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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
231 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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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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2k 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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3k 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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112 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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530 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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594 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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106 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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58 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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398 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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162 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 ...
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3k views

why I can't connect using VPN to my office with some ISPs?

I have a VPN connection to connect from home to my office, I can connect to my work network correctly from home, but I can't connect in other places (other ISPs) what's the problem? dose ISP block ...
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1answer
229 views

What prevents my ISP from assigning me a dynamic IPv4 address and static IPv6 address(es)? [closed]

Till now I never heard of an Internet Service Provider anywhere on the world, that assigns static IPv6 addresses besides the one dynamic IPv4 address, to private customers. Is there a technical ...
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130 views

Incoming server mail (MDA) behind ISP => different reverse DNS: How bad?

I would like to operate an incoming-only MDA (Mail Delivery Agent) server mail for domain xyz.com on an Ubuntu server hosted behind my ISP (Internet service provider) Comcast. The objective is to ...
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239 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 ...
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3answers
10k views

Can I switch my modem over to any other coaxial entry point in the house?

Can I switch my modem over to any other coaxial entry point in the house? Or does each jack have to be set up by an engineer sent over by my ISP. I'm a bit afraid to just try it, in case connecting ...
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3answers
665 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 some bullshit cache or something, as nearest ...
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61 views

Emails not dropping in webmail on one ISP connection, but dropping on another, what could cause?

I have a peculiar situation. My ISP provides internet for a client. Client's mail is hosted on some web host (normal webmail, commercial host). Now when client is on my ISP, they are unable to ...
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112 views

What are the options for a person or business that needs high bandwidth internet service?

What are the options for a business that needs high bandwidth internet service? For example, how would a large hotel or medium sized business with a few hundred employees get enough bandwidth to ...
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507 views

Very high latency with Verizon DSL

At any time in a given day, my ping could be anywhere from 60ms (already too high) to over 1000ms. I've contacted Verizon support numerous times, but it doesn't seem anyone in the tech support center ...
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1answer
438 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 ...
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4answers
1k 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 ...
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1answer
845 views

How does VPN secure me from my ISP eavesdropping on me? [duplicate]

I'm trying to understand the whole VPN thing and how it can protect me, but it still remains very vague to me. If I connect to a VPN, all data goes through my ISP first, right? What keeps them from ...
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70 views

Cannot Connect via SFTP When I Travel or am on Another ISP's Connection

I use SFTP to upload our website to our server with InMotion Hosting. It works fine when I am home and use our ISP (BellSouth.Net - Now AT&T. It also works fine on 1 of our Philippine ISP ...
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Port 53 seems to be blocked by ISP - is there a way to override this?

My ISP seems to be blocking Port 53 if it is not connecting to one of its DNS servers. I was able to prove this through nslookup tests. Here are my tests: C:\Users\admin>nslookup google.com ...
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320 views

pfsense more than 2 isp provider

is it possible to bridge more than 2 isp provider using pfsense? what router or device can bridge 2 or more isp providers in a router? i am planning to bridge at lease 5 isp providers to create a very ...
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322 views

How does Windows know information about a connection's lease time?

How can Windows "see" information of an ethernet adapter's lease (like lease obtained/expires), when that lease comes from the ISP, but when there's a router in between? I've assumed that lease ...
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116 views

ISP, broken routes and my options

My ISP has serious routing problem. First, I've confirmed that my Internet connection is indeed working: rr-@burza:~(1:3) $ ping -c 4 -W 1 status.github.com PING octostatus-production.github.com ...
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464 views

Great Internet speeds, but downloads and streaming halts

For about 5 days now, our Internet connection has been doing something unusual. These are the kinds of symptoms that usually indicate a bad network card, or something wobbly with a wi-fi router but ...
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89 views

Would it ever make sense to have a much lower upload speed than download speed in a fiber optic network?

We have a fiber connection from CenturyLink--one of their first. Our download speed is 10 Mbps, but upload is usually less than 1 Mbps. My understanding is that fiber is fundamentally different than ...
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Is a cable modem registered to a CMTS or the entire ISP?

I am curious if I were to move, do you have to tell your ISP, in this case my cable company, that I am moving? Is the cable modem MAC restricted to a certain CMTS, or could I use any CMTS belonging ...
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422 views

How does a modem know which ISP to connect to?

I am terminating my contraçt with my old ISP, however, because I've already paid my account till the end of the month, this connection is still active. I have also signed up with a new ISP who mailed ...
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How to circumvent a private WAN IP address?

I just signed up with a new ISP and I got a dynamic private-range (172) IP as WAN address on my firewall/router, so I can't do any port forwarding. They say that to do port forwarding I must buy a ...
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My ISP locked me out of my router

I did a quick search for this and didn't find results, so I'm thinking its just as bizarre as I thought. MY internet went down last night, and after 20 minutes of unstable it was back. But out of ...
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Mulitple ISP IP's pointing to one router

My ISP is providing me with two dynamic and one static IP. My question is: How is it possible to have three IP's, but i only have one router? Or is it that i can only have a static or a dynamic ip ...
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375 views

I want to send email from my Debian server but My ISP block port 25

I have put private server on Debian, I would like to be able to send mail but port 25 is blocked by my ISP. I checked it by opening a telnet connection to another mail server. The good news is that I ...
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How can I record additional data with pings, such as IP and ISP info?

I am running after my ISP for last 15 days for unacceptable slow internet speed without any help. I was using SpeedTest.net and testmy.net for testing the speed. At times SpeedTest fails to load due ...
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Dynamic DNS checking site?

Basically, I use to have a site bookmarked that would create a unique subdomain and forward you there, then, when you do a DNS lookup on that subdomain it would mark the DNS IP down and give it to you ...
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“Shift+R improves the quality of this image. Shift+A improves the quality of all images on this page.”

When surfing and hovering over any image on a page I get a box: "Shift+R improves the quality of this image. Shift+A improves the quality of all images on this page." This happens on every image on ...
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796 views

Router speed not matching my ISP speed

My ISP recently upgraded me to 150 mbps, I can only get close to this if I wire directly from the modem to my computer. If I wire through my router it maxes at 55, the router model is Linksys E1550, ...
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23 views

Qualifying (and/or Quantifying) Internet Connectivity Problems

I'm having intermittent problems with my internet, and would like to be able to give my provider enough information to help them diagnose the problem. Is there a free tool I can run on my PC to track ...
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Tor Browser and how it affects torrents

I have recently received a message on my computer stating that my Internet Service Provider has been monitoring my traffic and have recorded me downloading several torrents that they have marked as ...
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1answer
486 views

Two ethernet connects how can I set the default one?

I have Two ethernet cards / Connections How can I tell windows to set Eth1 as default so web,steaming all the normal stuff uses this connection? I have set bittorrent up correctly to use the other ...
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76 views

Bittorrent and ISP

Quick question..I switched my ISP yesterday and I immediately noticed that my torrent downloads are considerably faster now. Is it possible torrent downloads were limited by my previous ISP?
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196 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 ...
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Host server at home behind ISP NAT using STUN

I'm hosting my own Linux server at home, which I will be using as a VPN server and web hosting if possible, problem is that I'm behind my ISP's NAT which means that I'm unable to connect to my server ...
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Netgear DG834Gv3 ADSL router dropping Rackspace VPN connection intermittently

I have a Netgear DG834G v3 ADSL router which I have had since early-2007. When I work from home I connect to office networks on a Win7 machine via a Rackspace-provided VPN using Cisco System VPN ...
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480 views

determine connections limit enforced by my ISP

I know my new ISP is enforcing a lot of different limitations. They refuse to say what are the limits. To determine bandwidth I can use sites like http://www.voiptest.org/ (BTW it shows me ~15% of ...
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Unable to reach remote server from new ISP

From my previous Internet Service Provider I was able to reach (ping/trace/remote desktop) my remote server (windows 2003). Since I changed ISP I cant reach it. This is a tracert to the server from ...