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 Forum index » Off-Topic Area » Security
Why is this strange IP address in Network connections?
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mavrothal


Joined: 24 Aug 2009
Posts: 1564

PostPosted: Wed 08 Jan 2014, 16:58    Post_subject:  

greengeek wrote:
Also...I'm probably blind, but I cannot see any response that has provided a justification for a connection with Nugget enterprises - which as far as I can see is nothing at all to do with icanhazip.

Did I miss something? Why is my PC connecting to Nugget enterprises?


First of all your PC is not connected to Nugget enterprises (or to icanhazip.com or anything else if you do not have initiated a web/ftp/etc connection)
type
Code:
netstat -an | grep -E 'ESTABLISHED|CONNECTED'
in the terminal and look for tcp/udp (not "unix") connections to verify it.
The address that you see, and usually has the FIN/TIME_WAIT1/2 status, is the remote server (wait/)closing the connection that ipinfo initiated to find your external IP.
See image


Now why Nugget enterprises when we ask our IP frm icanhazip.com?
icanhazip.com has IP 216.69.252.100. The site is hosted in charlie.colo.mhtx.net that has a range of 9 IP and charlie.colo.mhtx.net is hosted in Nugget Enterprises, Inc that has all the IPs from 216.69.252.0 to 216.69.252.255.
When a site is hosted in a cluster, although receive requests at a specific IP, can service these requests from any IP of the cluster, depending on the topology of the system.
What you actually see is the IP from the remote cluster that icanhazip.com is hosted on, that is closing the connection.
I hope that's clear enough.

Edit: Add connection close states image

Edited_time_total
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greengeek

Joined: 20 Jul 2010
Posts: 2406
Location: New Zealand

PostPosted: Wed 08 Jan 2014, 17:40    Post_subject:  

Thanks mavrothal, the clarification is much appreciated.
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gcmartin

Joined: 14 Oct 2005
Posts: 4086
Location: Earth

PostPosted: Thu 09 Jan 2014, 20:30    Post_subject:  

anikin wrote:
... This discussion has nothing to do with ....
In your words, please explain what this thread opened as? Please. Help us understand, in summary, how you see this thread's subject and its opening thread. And should you consider open ports via a LAN card as having nothing to do with any of what is asked, please share it for me. Thanks.

Please articulate clearly as you seem to have a better idea.

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01micko


Joined: 11 Oct 2008
Posts: 7782
Location: qld

PostPosted: Thu 09 Jan 2014, 21:33    Post_subject:  

Well raffy can't host the file.. that's ok.

Try this.
ipinfo.gz
Description  gunzip, make executable and place in /usr/sbin overriding old version
gz

 Download 
Filename  ipinfo.gz 
Filesize  1.59 KB 
Downloaded  82 Time(s) 

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perdido

Joined: 09 Dec 2013
Posts: 67

PostPosted: Thu 09 Jan 2014, 22:45    Post_subject:  

01micko wrote:
Well raffy can't host the file.. that's ok.

Try this.



That's perfect. Clears up the question of what icanhazip.com is doing and gives the option of allowing it for ip lookup.

Thanks
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gcmartin

Joined: 14 Oct 2005
Posts: 4086
Location: Earth

PostPosted: Fri 10 Jan 2014, 00:55    Post_subject: Another solution addressing concern to web connect ID issue  

Thank @01Micko. A thought-thru option. Thanks
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mavrothal


Joined: 24 Aug 2009
Posts: 1564

PostPosted: Fri 10 Jan 2014, 00:57    Post_subject:  

01micko wrote:

Try this.


"Check to allow external IP from icanhazip.com" can be misleading if you have not followed this and similar threads.
"Check to find your external IP through icanhazip.com" is more accurate I believe.

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gcmartin

Joined: 14 Oct 2005
Posts: 4086
Location: Earth

PostPosted: Fri 10 Jan 2014, 01:07    Post_subject:  

@Mavrothal, agreed.

But, I wonder, too, is the mentioning of the site important. What may be more important is the Web IP address report and NOT the site that assist.

Just an idea.

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01micko


Joined: 11 Oct 2008
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PostPosted: Fri 10 Jan 2014, 01:33    Post_subject:  

Any more transparent now and we risk breaking under the strain..
ipinfo.gz
Description  second one
gz

 Download 
Filename  ipinfo.gz 
Filesize  1.72 KB 
Downloaded  70 Time(s) 

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James C


Joined: 26 Mar 2009
Posts: 5678
Location: Kentucky

PostPosted: Fri 10 Jan 2014, 02:01    Post_subject:  

01micko wrote:
Any more transparent now and we risk breaking under the strain..



How about Networking 101 for those that just don't get it.........?
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mavrothal


Joined: 24 Aug 2009
Posts: 1564

PostPosted: Fri 10 Jan 2014, 02:11    Post_subject:  

01micko wrote:
Any more transparent now and we risk breaking under the strain..

True but I do not think that this 3-year+ functionality should be removed in the defaults.
What about
"Check to block finding your external IP from icanhazip.com"
and
Code:
[ -f $HOME/.ipinfo ] && . $HOME/.ipinfo || CB0=true

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01micko


Joined: 11 Oct 2008
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PostPosted: Fri 10 Jan 2014, 02:17    Post_subject:  

@mavrothal, I don't get the hysteria either.. FFS they use Google!
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James C


Joined: 26 Mar 2009
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Location: Kentucky

PostPosted: Fri 10 Jan 2014, 02:22    Post_subject:  

01micko wrote:
@mavrothal, I don't get the hysteria either.. FFS they use Google!


Speaking of.......
http://www.washingtonpost.com/blogs/the-switch/wp/2013/12/10/nsa-uses-google-cookies-to-pinpoint-targets-for-hacking/
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01micko


Joined: 11 Oct 2008
Posts: 7782
Location: qld

PostPosted: Fri 10 Jan 2014, 02:34    Post_subject:  

James C wrote:
01micko wrote:
@mavrothal, I don't get the hysteria either.. FFS they use Google!


Speaking of.......
http://www.washingtonpost.com/blogs/the-switch/wp/2013/12/10/nsa-uses-google-cookies-to-pinpoint-targets-for-hacking/

Laughing

Anyway, I do use google with a touch of contempt! I consider them linux "rapists" Laughing but sometimes it's handy for my own reasons. Self preservation is at the top of my list so I use sparingly.

Ah.. right now I have better things to do.. k3.10.26 and k3.12.7 have just been released! Razz

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greengeek

Joined: 20 Jul 2010
Posts: 2406
Location: New Zealand

PostPosted: Fri 10 Jan 2014, 02:40    Post_subject:  

mavrothal wrote:
"Check to allow external IP from icanhazip.com" can be misleading if you have not followed this and similar threads.
"Check to find your external IP through icanhazip.com" is more accurate I believe.

I don't understand the responses here. It looks like you guys are seeing some sort of xdialog that is not coming up on my system. I installed mick's updated ipinfo script and now have a clean "staistics" tab in ipinfo (which is excellent - thanks mick), but not any of the interactive stuff that others appear to be reporting. Could someone post a screenshot of what I seem to be missing please? Ta.
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