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Geek Culture / ridiculous school blocks!!

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Three Score
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Posted: 22nd Mar 2007 06:09
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I think that my school probably has the craziest blocks ever made! first they block google earth..yea they block dl.*.* (anything with the subdomain of dl) and the same thing with download. and blogs/blog. yes it is that crazy...
they even block gamedev.net...tis crazy! they also blocked google translate, google accelerator..
last year they even threatened to block one of my friends site because he made a funny flash video that SLIGHTLY made fun of 3 teachers....


the only possible way to get around it is hack the server through it's only access point...a telnet server at port 23, but this has a password so..


anyone else have these crazy blocks!?


they also blocked some hobby things like xanga, myspace, facebook, ummm *.ntlworld.net.. they even blocked winimage.com!!! why the crap would they block this, I discovered this when I was going to copy my OS onto a floppy, they also blocked the domain for 7-zip, but not for winzip...frikkin wierd...

Open86 --My Emulator (now with it's first super alpha release
I'm addicted to placebo's...I would quit but it wouldn't mean anything! lol
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glyvin101
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Posted: 22nd Mar 2007 06:28
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www.cfunnel.com
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Agent Dink
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Posted: 22nd Mar 2007 06:42
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Umm... it's pretty understandable, most of those blocks (myspace, facebook, download sites, blog sites). Why they would block some of the google ones, I dunno as they can be educational, like the translator etc..

I have no signature...
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Mikey P
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Location: Manchester, UK
Posted: 22nd Mar 2007 09:57
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You could probably use Google translator as a web proxy, by getting it to translate urls. Say, give it an English site and tell it to translate from French to English. Only a couple of words get messed up and pictures seem fine.

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Dared1111
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Posted: 22nd Mar 2007 10:04
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better than what my school has we only get the allowed education sites, bbc and citv

[link]"http://www.greatgamesexperiment.com/user/Dared1111/" my account on GGE[\link]
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Chris Franklin_
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Posted: 22nd Mar 2007 11:41
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^same not even allowed on tgc

llllRgt
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Manic
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Posted: 22nd Mar 2007 12:59
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you should be doing work, not surfing the net.

I'm sure if you could show that the filter was blocking a valid resource and impeding your education, you could get the site unblocked. However you'll have one hell of a battle to prove that you need myspace.

I don't have a sig, live with it.
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Zappo
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Posted: 22nd Mar 2007 14:42
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You have to remember that some of the sites you mention do contain pages with 'adult themes' and are unsuitable for a school/public environment. Just imagine if someone is looking at a MySpace page which is covered in FHM covergirls (or worse) while an inspector is walking round, or the parent of a younger child.
You also have to think about the terms and conditions the school has imposed upon it by their service provider. Many Internet providers for education (e.g. JaNET in the UK) have rules which state their link is to be used for educational purposes only. Your school will probably prefer to play it safe than risk losing their Internet access entirely.
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Gil Galvanti
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Location: Texas, United States
Posted: 22nd Mar 2007 15:07
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Yes, they have a bunch of annoying blocks at our school, there used to be ways around them, but they've cut off most of them. You can't do Google video or images, but fortunately, we found that if you go to Google Taiwan you can (and it used to be more countries, but they've been blocked too). Anything that has to do with shopping, email, games, forums, or anything else that is considered "innappropriate for students" is blocked. You used to be able to go to a translator and view the webpage from there, translated from Spanish>English, and since it was in English, it'd just appear as English. And then, I don't know why, but you could add an 's' at the end of http and it would allow you into some sites. They've become smarter and caught onto our tricks now .


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Three Score
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Posted: 22nd Mar 2007 15:39
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my only hope is this homemade proxy, I have failed to find another WORKING proxy of any sort..err, not gonna give a link as it hasn't been hack tested..

why do they do things like block dl.ANYTHING though! it's just stupid!
use to we could get around the blocks by doing something with the schools phone number, but this new IT guy or whatever is smart...theres no freaking way past it, or at least without physically going into the unlocked room...but he even blocked IP addresses!! frikkin IP's I didn't think that was possible since most of them are dynamic!
like to block out youtube he blocked from 208.65.153.243 to 208.65.153.260, and the main ip is 208.65.153.251
it's ridiculous..doing that trick worked at the first of the year, but now there is no hope
my only other hope is to one day figure out a way to use different ports, like for whatever reason they block only port 80 for banned websites, which will eventually be a fatal flaw.....

I think it's no-ip that allows you to make port 80 redirects, like you can specify a port number and set one of your no-ip subdomain things to point to your website, and it will work

Open86 --My Emulator (now with it's first super alpha release
I'm addicted to placebo's...I would quit but it wouldn't mean anything! lol
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Benjamin
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Posted: 22nd Mar 2007 15:41 Edited at: 22nd Mar 2007 15:42
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Quote: "like for whatever reason they block only port 80 for banned websites"

Why would that change anything? Websites only serve HTTP on port 80.

Edit: Ah I think I understand what you mean now.

Tempest (DBP/DBCe)
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Zappo
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Posted: 22nd Mar 2007 17:59
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Quote: "why do they do things like block dl.ANYTHING though! it's just stupid!"

Not really. How many legitimate websites will host 'pages' from a subdomain called 'dl'? Close to none I would think. The only files available from those subdomains will be downloads such as executables, archives, videos etc.
If you were responsible for spending huge amounts of time cleaning up the mess after someone downloads a dodgy infected cracked game or some other nasty program which disrupts machines, you would do your best to block them too. Besides, if someone else in your school downloaded something bad and it ended up wiping all your hard work, wouldn't you be upset and want it prevented?
Quote: "...but he even blocked IP addresses!! frikkin IP's I didn't think that was possible since most of them are dynamic!"

Proper servers don't use dynamic IPs. Besides, if you are going through a proxy server (be it invisible or otherwise), even an old nail of a machine can filter millions of URLs for hundreds of machines without you noticing any delay. Plus, if you are going through a filtering proxy, only specific ports will be allowed through so trying to get round it that way won't work. Usually only port 80 (normal Web), port 445 (SSL Web) and port 21 (FTP) are proxied - everything else is blocked, and for good reason.
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Benjamin
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Posted: 22nd Mar 2007 18:04
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Quote: "Proper servers don't use dynamic IPs"

Some do.

Tempest (DBP/DBCe)
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Zappo
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Posted: 22nd Mar 2007 18:11 Edited at: 22nd Mar 2007 18:11
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Quote: "Some do."

I doubt it, but if you can name any it would be good. There will be those which use load sharing and so can be delivered from several addresses but no professional Web host would use dynamic IPs. It would make looking after the DNS a bit of a pain
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Three Score
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Posted: 22nd Mar 2007 22:11
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sorry that I don't have the time to scan a few hundred websites, a few hundred times, looking for one to change threr IP

Open86 --My Emulator (now with it's first super alpha release
I'm addicted to placebo's...I would quit but it wouldn't mean anything! lol
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Benjamin
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Posted: 22nd Mar 2007 22:39
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Quote: "I doubt it, but if you can name any it would be good."

Well the only one I can name (due to not doing as Three Score says) is whatsmyip.net.

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Zappo
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Posted: 23rd Mar 2007 01:47
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I think you might be mistaken as to what dynamic IP addresses are. 'Whatsmyip.net' isn't on a dynamic IP address, they host with a proper hosting company (www.wsrs.net) and have a static IP address of 82.192.80.38

For a Web site to be on a dynamic IP address would mean you either have to use some sort of redirector on a static host, or keep updating your DNS info everytime it changes. To keep changing your DNS data is not a good option due the time it takes for the new info to be propergated, not to mention all the machines which will have cached the old details. A professional site would not use either of these methods as they are both prone to downtime when your IP address changes.
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Benjamin
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Posted: 23rd Mar 2007 02:00 Edited at: 23rd Mar 2007 02:03
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Quote: "I think you might be mistaken as to what dynamic IP addresses are. 'Whatsmyip.net' isn't on a dynamic IP address, they host with a proper hosting company (www.wsrs.net) and have a static IP address of 82.192.80.38"

I'm not entirely sure what you mean. Why is it that when I ping certain websites, over time the resolved IP changes?

For instance, I resolved the aol.com hostname earlier, and then a couple of hours later did the same, and I got a different IP address.

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Zappo
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Posted: 23rd Mar 2007 02:11
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Thats called 'load sharing'. They use several servers (with different IP addresses) to dish out the same site. This way they share the work load and can serve more people quicker. When you do a lookup, ping or access the site their system chooses which server to point you off to so each one has a (roughly) equal load.
Of course, once your machine does a lookup it may cache the IP address of the server you are sent to so you may end up going to the same server until your DNS cache expires or you flush it out manually.
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Wrycu
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Posted: 23rd Mar 2007 02:14
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Kinda not reading all this stuff, but if you want a good proxy that isnt widely known...

www.weboogle.info

Works in my school, which has most proxies blocked.

3.4GHz Pentium D Dual Core, 2GB DDR2 RAM, NVidia 8800 640MB PCI-E

<--Wrycu-->
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Benjamin
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Posted: 23rd Mar 2007 03:36
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Ah I see, thanks for the explanation.

Tempest (DBP/DBCe)
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Phaelax
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Posted: 23rd Mar 2007 21:20
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Aol has many servers and you can't really gaurantee which one you'll connect to each time. Even the AOL messenger is a good example of what Zappo was talking about. Multiple IPs point to the same domain that all the clients are trying to connect to.

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