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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Hole punching over multiple ISP [closed]

I have set up my web server on my home PC used to return its client's public ip/port for TCP hole punching. As I tested, All port returned from each request(I bind socket to the same port on each ...
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1answer
220 views

ISP 5 Device Limit … again

Sorry for the delay in responding to the suggestions that were posted in my first question (ISP 5 Device Limit - double NAT the solution?). I've been travelling and have not been able to try anything. ...
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4answers
11k views

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

I've got a very badĀ 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 ...
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2answers
598 views

Can I have the same public IP while conected to different ISPs?

I have a possible disaster recovery scenario, use a production server with public IP from AT&T, the disaster recovery server should have the same public IP but with a different ISP (Time Warner or ...
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2answers
721 views

Does image block (firefox addon) save internet bandwidth usage?

Does image block save internet bandwidth usage? I have a data capped plan from my ISP ( 5GB at 2mbps and thereafter 256 kbps / pm). I doubt if the addon or other similar addon actually saves ...
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2answers
461 views

ISP 5 Device Limit - double NAT the solution?

I have asked this question in response to another question here ( 5 Max connections/devices to the internet? Is my ISP limiting me somehow? ), but thought I should start a thread to see if I can get ...
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1answer
155 views

Worse case scenario when switching a DNS entry with a TTL of 1 day

Say I have a DNS entry with a Time to Live set to 1 day or 86400 seconds, and I update it's destination IP, I wonder how long it would take in a worse case scenario for an end user until his he gets ...
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2answers
3k views

Mac address clone on DD-WRT

I am on a network on which I have my old router's mac address registered so I can access the internet through this network (it's filtered by mac address). I've recently replaced the old router and am ...
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1answer
680 views

Download speed spikes

My download speeds drop to about 1 kbps then spike to between 200 kbps and 500 kbps then drop to about 1 kbps for about 5 seconds before it spikes again. But if I surf the internet i get speeds ...
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1answer
333 views

Is Earthlink an ISP? [closed]

This has always confused me. When we signed up for DSL ~6 years ago through Qwest (now CenturyLink) we were given the option of either MSN or Earthlink. We went with Earthlink. What exactly are ...
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1answer
876 views

How to circumvent ISP Limiting “Unknown” traffic - (SSH)Proxy, VPN

I am having issues with using a proxy/VPN, with my current ISP (Comenersol, Spain). From my point of view they limit traffic by protocol or by traffic they "know" and "dont know". I'll explain my ...
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1answer
94 views

What protocols will/are ISPs use for IPv6 deployment?

Currently ISPs deal out addresses via DHCP for IPv4 dynamic (single) addresses. What protocol will/are ISPs going to use for IPv6 when they can hand a customer an entire /64 (or /48 if they are nice) ...
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1answer
417 views

Could ISP limit my torrent bandwidth? [duplicate]

Possible Duplicate: How can I circumvent BitTorrent throttling? Everyday i meet another problem. Seems like they will never end. i perform port forwarding both on the client and the router ...
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4answers
17k views

How to affectively 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 ...
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3answers
880 views

Why does my reverse SSH tunnel get closed after a certain amount of time?

I'm curious as to why my reverse SSH tunnel closes after a certain amount of time has passed while being inactive. Is this related to the specific ISP? I'm trying to reverse tunnel into a virtual ...
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3answers
365 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 ...
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2answers
303 views

weird internet connection - pages not loading correctly

I've been facing a weird internet problem. I can open sites like google, warez-bb fine without any problems, but when I try to open any blogs, Hotmail, turbobit (I'm not sure what category of sites) ...
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2answers
1k views

Can ISP limit my downstream to a specific website?

i do not mean access restrictions/censorship and bans based on IP address or domain names. For ex. i am connected to the Internet from a PC on a private network. i have access to X and Y websites. ...
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3answers
4k 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 ...
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3answers
1k views

Unable to access router even though internet works

I had access to my router and my internet was also working fine, but I was trying to do a port forward of 80 to my local machine and in the process I made a mistake. I went into Remote Management and ...
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2answers
2k views

Create WiFi hotspot with web access point

I want to setup a WiFi network with access through a web interface. Essentially people would be asked to enter a username/password and their session would be valid for X minutes after which they'd be ...
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1answer
1k views

How can I open a site blocked by the ISP? [duplicate]

I use Linux and connect to the internet with a modem, but many sites are blocked by the ISP in Indonesia. How can I open a blocked site? It's not a porn site.
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1answer
124 views

random internet latency issues

We are having lag issues with our internet and have been for a while now. I have contacted our ISP's customer service SEVERAL times regarding the issue. Every time i talk to them they tell me to ...
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0answers
73 views

Can I use two CDMA EVDO modems alternatively on the same line?

Can I use both modems one at a time (never at the same time) on the same line? I mean: I turn off one then use the other and viceversa. Will the same phone line work with both modems always?
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2answers
1k views

Reliably determine range of IP addresses that could be assigned to router

Like many of us with home internet service provided by ISPs, my router/modem is dynamically assigned an external IP address, typically within a range. When the router is reset (e.g. by a power ...
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2answers
180 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 ...
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2answers
233 views

Do ISPs charge for network header bytes as part of data usage? [closed]

Network traffic includes a lot of extra bytes for network headers etc. etc. Does this get measured as part of data usage by ISPs?
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5answers
4k views

Could local ISP capture my location whenever i launch a VPN to a VPN server?

I am extremely concerned that my ISP collects any information once I am connected to a VPN server. For instance, as far as I know, when I start a connection to a HotSpotShield VPN server, an IP ...
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1answer
1k views

nameserver spoiling avahi multicast name resolution of .local domain

After trying to ping a machine on my local network, I noticed that I was trying hit address 66.152.109.24. This is an external public address. Resolution should have occurred via avahi mDNS. I ran ...
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1answer
2k views

Router slowing my connection?

I have a Linksys WRT54G and I pay for a 12Mbps connection. I've been testing my connection using speedtest.net for many days and always get 8Mbps. I called the support and they told me to bypass the ...
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4answers
211 views

Are there any home ISPs that offer external IPs for all devices on the network? (No NAT)

NAT is a a real pain, and the large address space in IPv6 doesn't need it. Are there any ISPs that offer actual home routing, giving each computer a global IP address, rather than a local one? This ...
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4answers
34k 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 ...
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1answer
953 views

Problems with accessing Apache 2.2 server from outside the firewall

I've done everything this tutorial told me to set up an Apache 2.2 HTTP server, and then forwarded port 80 to the machine the server is on. However I'm not getting a response back when I try to ...
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2answers
109 views

Is a 'telecommuter' SLA a good idea? Does it even exist? [closed]

I telecommute from my home to my employer in California. Internet outages are rare, but 2-3 times a year I need to eat vacation time because of an outage. I don't terribly mind missing work here and ...
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2answers
2k views

ISP Appears to Block Ports 80, 30080, 8080 etc etc

When using Canyouseeme.org it appears that my ISP is blocking every port. I am attempting to run a web server which works fine locally. I asked a previous question (here) regarding using different ...
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2answers
2k views

Is my ISP blocking the ports 5050 and 6060

I want to find out whether or not my ISP is blocking the ports 5050 and 6060 which I need for my voip software on my iPhone. I'm using a 3G stick with a prepaid plan, and I'm using the internet ...
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3answers
8k views

How do I determine the IP address of my ISP's nameservers? (/etc/resolv.conf only shows the default gateway)

My home server is connected to the router. This is the output of the /etc/resolv.conf file nameserver 192.168.1.1 How do I determine the IP address of my ISP's nameservers?
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1answer
1k views

I'm using an external DNS, can my ISP detect that?

I tend to use Google's public DNS, I don't like my ISP DNS because it takes too much time to refresh. Today I have got a page from them saying that you should change the DNS to their DNS because they ...
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3answers
29k views

Why doesn't my tested internet speed match my actual?

Via speedtest.net, I have an download/upload speed around 30MB/1MB but when doing "strenuous" internet activities (torrents, uploading/downloading large files to webservers, etc), I get about ...
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4answers
89 views

TCP/IP on the transport level

I'm trying to understand what happens when I send a packet using a socket on the transport level. Do all packets which leave my computer go first to a geographical location designated by my ISP? Then ...
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1answer
622 views

How can I prevent my router from sending useless data packets from/to my ISP?

It appears that my ISP has found a way to exceed my hi-speed bandwidth by sending garbage packages. Their customer care confirmed that even if just the router is switched on, it's going to keep adding ...
3
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1answer
171 views

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 ...
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2answers
2k 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 ...
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1answer
69 views

internet connection issues ( Router, network, ISP? )

I have got a problem with either my router or my ISP provider. Please let me know if you can work out what could be wrong. My observation: downloading large files (over .5 GB ) works well, download ...
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6answers
1k views

How is my ISP DNS hijacking AFTER all these precautions?

In IE9 when I search for anything my ISP hijacks google search and I get this result. To add complication to this I've already changed the default DNS servers (OpenDNS) months ago. This only happens ...
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0answers
177 views

Dlink dir 685 with static IP. Cannot see router from other network

I have l2tp connection. My ISP gave me static IP. I can ping this IP from my ISP network successfully. But if I ping it from other ISP - it doesn't. I have dlink 685 router. Unchecked in Firewall ...
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3answers
410 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 ...
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0answers
90 views

Broadband file transfer bottleneck

I am transferring a video (about 500 MB) created for a school project to my classmate's NAS box over our broadband connections. She has a 15 Mbps down and I have 15 Mbps up, according to multiple ...
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2answers
552 views

What are the advantages of a fixed IP address?

My ISP provides an option to pay for a fixed IP address. What are the advantages of a fixed IP address? This relates to a home connection which will be used for general browsing, movie download / ...
2
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2answers
940 views

Is it possible to wake-on-lan computer connected to cable modem over Internet? [duplicate]

Possible Duplicate: Can I send a Wake On LAN packet without broadcasting? I am able to wake my computer over internet, because my computer is connected to a router, and router is connected ...