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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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 Posted: Tue Jan 21, 2014 2:59 am Post subject: Concerned about public ip when running gentoo through vpn. |
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I hope this is the right sub-forum. I assumed it would be since it is a networking question and does involve my Gentoo box. If not, my apologies and would appreciate a point to the right subforum.
To get "online" I connect my laptop (Gentoo) via a USB tether to my iPhone. The iPhone runs through a VPN.
I just noticed something odd and a little bit concerning. If I check my Public IP Address on the iPhone I do see that I am successfully connected to my VPN. But, when I check my Public IP Address on my laptop, even though it is using the network connection of my phone, it shows my address as where I actually am/my phone provider. This indicates to me that for some odd reason Gentoo isn't running through my VPN even-though the phone is running through VPN.
Not even sure how or where to troubleshoot this but am thinking since my phone is connecting to the VPN maybe it is a configuration issue on my Gentoo box? |
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Hu
Administrator
Joined: 06 Mar 2007
Posts: 23055
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| Posted: Tue Jan 21, 2014 3:33 am Post subject: |
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| How are you determining your public IP? If your Gentoo system relies on the iPhone for network connectivity and the iPhone is responsible for sending traffic either direct to the provider or over the provider to the VPN, then how can any misconfiguration in the Gentoo system cause traffic to be routed improperly? |
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Maitreya
Guru
Joined: 11 Jan 2006
Posts: 445
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| Posted: Tue Jan 21, 2014 3:49 am Post subject: |
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| What Hu said, also the traffic in your phone runs trough the vpn as apparently the passtrough function is not. |
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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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| Posted: Tue Jan 21, 2014 4:24 am Post subject: |
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| Hu wrote: | | How are you determining your public IP? If your Gentoo system relies on the iPhone for network connectivity and the iPhone is responsible for sending traffic either direct to the provider or over the provider to the VPN, then how can any misconfiguration in the Gentoo system cause traffic to be routed improperly? |
On both my Gentoo box and phone I check the Public IP via the website www.whatismyip.com. I also use on the gentoo box.
For example, at the moment I am tethered and connected and the Public IP on my phone is showing 198.144.114.176 This is terminating at my VPN in California. My laptop which is using the phone connection is showing 182.249.240.215 which is my actual location. |
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Amranu
n00b
Joined: 06 May 2008
Posts: 8
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| Posted: Thu Jan 23, 2014 2:25 pm Post subject: |
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| What is the output of ifconfig -a? |
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szatox
Advocate
Joined: 27 Aug 2013
Posts: 3481
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| Posted: Thu Jan 23, 2014 5:16 pm Post subject: |
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I can imagine at least 3 completly different setups that would match your description. Can you provide more details?
What network devices you have in pc and phone (phisical and virtual) and in what what way you want to route between related networks? |
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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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| Posted: Mon Jan 27, 2014 1:48 am Post subject: |
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| Amranu wrote: | | What is the output of ifconfig -a? |
Do you want the output of ifconfig when I am connected via my phone or will this suffice?
| Quote: | $ ifconfig -a
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.10.10 netmask 255.255.255.0 broadcast 192.168.10.255
inet6 fe80::ea03:9aff:fe1d:ffd3 prefixlen 64 scopeid 0x20<link>
ether e8:03:9a:1d:ff:d3 txqueuelen 1000 (Ethernet)
RX packets 62709 bytes 69257396 (66.0 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 39544 bytes 4660763 (4.4 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 2472 bytes 195238 (190.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 2472 bytes 195238 (190.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 88:53:2e:89:f2:0b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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| Posted: Mon Jan 27, 2014 1:49 am Post subject: |
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| szatox wrote: | I can imagine at least 3 completly different setups that would match your description. Can you provide more details?
What network devices you have in pc and phone (phisical and virtual) and in what what way you want to route between related networks? |
Thank you for the help. However I am not really sure what it is you are asking for. Can you give me the command you need output from? Thanks. |
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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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| Posted: Mon Jan 27, 2014 4:54 am Post subject: |
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This is my when tethered to phone.
| Quote: | $ ifconfig -a
eth0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet6 fe80::ea03:9aff:fe1d:ffd3 prefixlen 64 scopeid 0x20<link>
ether e8:03:9a:1d:ff:d3 txqueuelen 1000 (Ethernet)
RX packets 3491457 bytes 5079149476 (4.7 GiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 1744666 bytes 124554533 (118.7 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
eth1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 172.20.10.4 netmask 255.255.255.240 broadcast 172.20.10.15
inet6 fe80::f0cb:a1ff:fe3d:fe5b prefixlen 64 scopeid 0x20<link>
ether f2:cb:a1:3d:fe:5b txqueuelen 1000 (Ethernet)
RX packets 134 bytes 43693 (42.6 KiB)
RX errors 0 dropped 1 overruns 0 frame 0
TX packets 97 bytes 11160 (10.8 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 4787 bytes 349596 (341.4 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 4787 bytes 349596 (341.4 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlan0: flags=4098<BROADCAST,MULTICAST> mtu 1500
ether 88:53:2e:89:f2:0b txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
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Maitreya
Guru
Joined: 11 Jan 2006
Posts: 445
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| Posted: Mon Jan 27, 2014 7:57 pm Post subject: |
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The thing is that the "problem" is in the IPhone.
And these are notorious for their non low-level hackability.
The passthrough software doesn't send its traffic over its VPN device.
Easiest fix around this would be to set up the vpn on the computer instead of the phone. |
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Budoka
l33t
Joined: 03 Jun 2012
Posts: 777
Location: Tokyo, Japan
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| Posted: Thu Jan 30, 2014 2:55 am Post subject: |
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| Maitreya wrote: | The thing is that the "problem" is in the IPhone.
And these are notorious for their non low-level hackability.
The passthrough software doesn't send its traffic over its VPN device.
Easiest fix around this would be to set up the vpn on the computer instead of the phone. |
| Quote: | | The passthrough software doesn't send its traffic over its VPN device. |
Can you elaborate? Are you saying that the connection doesn't run over a vpn on the phone? |
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