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  LiveWire / Technical Forums / Computer Networking / Viewing Topic

Networking Experts
I know there aren't any on this site but I'll try anyway.
Replies: 10Last Post May 26 1:49pm by DefaultTo0
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( medjai )



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So I'm using an ISP called Navy Network Information Center (NNIC) down here at Talega in Camp Pendleton, CA, and it's basically the gayest blazing fast ISP possible.

It will not let me ping any website whatsoever. If I try to go to worldofwarcraft.com (example) it will tell me that the ISP restricts the site.

That, of course, is no big deal. What's a big deal is that on other sites that it restricts, it is much more brutal than your standard blocked website message. If I try to, for instance, gmail.com it will act like the server is not responding to my query, which, of course, means it's not.

Which means the isp or the firewall is not letting gmail send me a response at all, to the point that my computer thinks that I spelled the fucking website wrong.

It does this on various websites.

Worse yet, this isp does not have any open ports, at all, save one which is as of yet unknown to me. It is NOT port 80, they have that closed even though it is the standard http port.

Thoughts?

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Who dares wins. - Special Air Service


6:49 pm on April 12, 2008 | Joined Nov. 2003 | 1328 Days Active
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grumpyzrp


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they are a bunch of idiots

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"those who live by the sword, get shot by those who dont"

6:51 pm on April 12, 2008 | Joined July 2007 | 44 Days Active
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Synthetic


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I'm thinking very hard on this, a friend of mine had the same problem but unfortunately I can't solve it.

I tried calling my friend, they are at work atm...

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Where is my mind?


6:51 pm on April 12, 2008 | Joined Aug. 2007 | 159 Days Active
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drifting


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Try changing your DNS.

Follow the tutorial on a site like OpenDNS.

If they are just blocking everything on a DNS level, this will fix it.

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6:51 pm on April 12, 2008 | Joined Jan. 2007 | 500 Days Active
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Miden


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heh, almost sounds like your not supposed to use that ISP.

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6:52 pm on April 12, 2008 | Joined April 2007 | 282 Days Active
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( medjai )



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Considering that I broke into a solid steel server box with a rather unconventional double lock securing system to access this switch and thus the internet, on a camp where all they do is research, development, and administration, I'd imagine I could get yelled at for this but hey what can you do I'm a MART Marine and it's not like it's MY fault they put us in the hooch that had the switch in it, secured or not. Plus, no one told us we couldn't.

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Who dares wins. - Special Air Service

6:59 pm on April 12, 2008 | Joined Nov. 2003 | 1328 Days Active
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( medjai )



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Also to the DNS person I don't see how changing the DNS server that this computer or even the switch I broke into will fix any of my problems, explain.

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7:08 pm on April 12, 2008 | Joined Nov. 2003 | 1328 Days Active
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vitamin

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first doing a trace route (tracert) so I can get an idea of the traffic and hops. Post your results here!!!

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8:57 am on April 13, 2008 | Joined Sep. 2002 | 1036 Days Active
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DefaultTo0


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Try going to grc.com and using the ShieldsUp! utility to find the open port.  That's all I can think of for the moment.

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What?

2:46 am on May 26, 2008 | Joined July 2006 | 715 Days Active
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marshmellowman


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Quote: from DefaultTo0 at 10:46 am on May 26, 2008

Try going to grc.com and using the ShieldsUp! utility to find the open port. That's all I can think of for the moment.

Yeah, however that only works when you're actually using (or trying to use) the port that you are probing, otherwise it will show up as stealth, and the corresponding port will probably need to be open on your computer to try and confirm which one it is (if you do find it).

I'll assume that you can't change ISPs as this is the Navy, so you agree to your usage of the internet sadly being so restricted. So there's nothing you can do about that to get you more freedom.

As DefaultTo0 suggested use ShielsUp! although I believe you can only scan 64 ports at one time, so it might be a slow process trying to scan all the ports.

I really can't think of anything either to be honest, you're not exactly in the easiest situation.

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5:04 am on May 26, 2008 | Joined Feb. 2007 | 528 Days Active
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DefaultTo0


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Quote: from marshmellowman at 1:04 pm on May 26, 2008

Quote: from DefaultTo0 at 10:46 am on May 26, 2008

Try going to grc.com and using the ShieldsUp! utility to find the open port.  That's all I can think of for the moment.

Yeah, however that only works when you're actually using (or trying to use) the port that you are probing, otherwise it will show up as stealth, and the corresponding port will probably need to be open on your computer to try and confirm which one it is (if you do find it).

I'll assume that you can't change ISPs as this is the Navy, so you agree to your usage of the internet sadly being so restricted. So there's nothing you can do about that to get you more freedom.

As DefaultTo0 suggested use ShielsUp! although I believe you can only scan 64 ports at one time, so it might be a slow process trying to scan all the ports.

I really can't think of anything either to be honest, you're not exactly in the easiest situation.


Yeah, you can do a custom scan of 64 ports at a time.  I think you can do a scan of all service ports though (although, no good network admin would leave one of those open), which are the first 1056 ports.  It's worth a try though.

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What?


1:49 pm on May 26, 2008 | Joined July 2006 | 715 Days Active
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