Re: [CentOS] Off-Topic: Travel Router and Firewall

[Rob Kampen]

On 27/11/16 01:26, Bob Marcan wrote:

On Wed, 23 Nov 2016 21:18:34 +0100
H  wrote:

https://routerboard.com/products

I'm using this one:
https://routerboard.com/RB941-2nD
I use kit from this company at every opportunity. Great value, powerful 
capabilities, you can use their web ui but they also have a very 
comprehensive command line interface. Sometimes it takes a bit of trial 
and error to get the correct combo of commands to do what is needed - 
there are lots of recipes on their various wikis and support web sites.


BR, Bob
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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Bob Marcan]

On Wed, 23 Nov 2016 21:18:34 +0100
H  wrote:

https://routerboard.com/products

I'm using this one:
https://routerboard.com/RB941-2nD

BR, Bob
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Re: [CentOS] Off-Topic: Travel Router and Firewall

[H]

On 11/25/2016 02:54 PM, James B. Byrne wrote:

On Thu, November 24, 2016 12:28, H wrote:


You are right, I had forgotten about needing two WiFi adapters... If
there is an Ethernet jack in the hotel room I would go with that but
that is, of course, far from assured and two WiFi nets would be
needed.

I have found Ethernet RJ45 ports in hotel rooms with wi-fi frequently
no longer active and simply relics of an earlier Internet service.



I understand, that's why the ability to connect to the WAN using either RJ-45 - 
preferred - or wirelessly is important.

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Re: [CentOS] Off-Topic: Travel Router and Firewall

[James B. Byrne]

On Thu, November 24, 2016 12:28, H wrote:

> You are right, I had forgotten about needing two WiFi adapters... If
> there is an Ethernet jack in the hotel room I would go with that but
> that is, of course, far from assured and two WiFi nets would be
> needed.

I have found Ethernet RJ45 ports in hotel rooms with wi-fi frequently
no longer active and simply relics of an earlier Internet service.


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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Jonathan Billings]

On Thu, Nov 24, 2016 at 06:43:35PM -0800, Arun Khan wrote:
> I have prototyped a similar setup with RasPi.  With a 4GB (or higher)
> SD card, flash storage is not a limiting factor compared routers like
> TP-Link.
> 
> I did try openWRT on Raspi but the driver (Realtek 8192 IIRC) for my
> USB LAN was not stable.
> 
> Settled on Raspbian (all config files hand edited).There is Pidora
> (Fedora spin) also.

For what its worth, Fedora 25 has native support for the Pi 3 now, and
the CentOS AltArch SIG is getting pretty close to supporting the Pi3
too. 

https://wiki.centos.org/SpecialInterestGroup/AltArch/Arm32/RaspberryPi3

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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Arun Khan]

On Thu, Nov 24, 2016 at 11:57 AM, H  wrote:
>
> I did visit both the OpenWRT lists and the TP-Link website. On the latter, I
> found four travel routers: WR810N 300 Mbps, powered from an outlet and 2
> RJ-45 ports, its predecessor WR710N 150 Mbps, WR802N 300 Mbps and powered
> via micro-USB port and 1 RJ-45 port, and finally WR702N 150 Mbps. If I read
> correctly, only the 8xx models have at least 8 Mb of flash memory required
> for OpenWRT so it's down to either WR810N or WR802N. Of note is that all
> routers are apparently sold in a US version where the firmware is locked and
> a European version where it is not, the latter easier to flash.

I have prototyped a similar setup with RasPi.  With a 4GB (or higher)
SD card, flash storage is not a limiting factor compared routers like
TP-Link.

I did try openWRT on Raspi but the driver (Realtek 8192 IIRC) for my
USB LAN was not stable.

Settled on Raspbian (all config files hand edited).There is Pidora
(Fedora spin) also.

>
> OpenWRT seems like a good solution. However, I am not an expert on this and
> two questions remain:
>
> - Will OpenWRT allow me to using a computer, tablet or phone configure the
> access when the hotel (or similar) uses a web page where one has to enter
> userid and password?
>

I suggest NAT on the openWRT device's "WAN" interface and within it do
the "captive portal" auth  with the "host" network.
Your devices connected on the "LAN" (wired + WiFi) should route
through the openWRT device.

> - When the router is connected to the WAN using an Ethernet cable, am I
> correct that it is used in AP (Access Point) mode? And when the router is
> connected to the WAN using WiFi and the user devices access the router it is
> used in Bridge mode?
>
> Thank you for all the suggestions and comments so far!
>

Yes, you can make the WiFi interface act as an AP when the LAN
interface is the "WAN"  IIRC, in openWRT bridge mode of the "WAN"
interface is possible.  But then all devices on the "LAN" side will be
visible to the "host" network.

openWRT does have good documentation with practical use case setups.

HTH,
-- Arun Khan
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Re: [CentOS] Off-Topic: Travel Router and Firewall

[H]

On 11/23/2016 09:56 PM, Mauricio Tavares wrote:

Go to the openwrt site and see what replaced the TP-Link TL_WRN702N.
The new one has 2 ether ports and can be USB powered.

Of course, there are those who will say you should use a raspberry pi
for that...

On Wed, Nov 23, 2016 at 3:18 PM, H  wrote:

This is off-topic and the only connection with CentOS is that the laptop
will be running CentOS...

I am looking for a travel router/firewall for a number of reasons:

- Protect against outside attacks when outside the office/home not relying
on whatever protection the laptop/tablet/phone offers.

- Allow for fast transfer for data between devices without being limited by
the bandwidth of the hotel etc., even without being connected to the
internet.

- Allow for multiple devices even when the hotel etc. only allows one device
to be registered.

The ideal device should:

- Be small, ideally be able to be charged via a USB port.

- Use open-source software that the user can update.

- Allow the user to log on the device and set up the connection with the
hotel etc. which often requires a userid and password to be entered on a
browser page.

- Allow using either a RJ-45 wired or wireless connection to the outside
net.

- Have at least two RJ-45 ports to connect a laptop avoiding WiFi.

- Allow for VPN tunneling.

If anyone has suggestions, they would be greatly appreciated!
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I did visit both the OpenWRT lists and the TP-Link website. On the latter, I 
found four travel routers: WR810N 300 Mbps, powered from an outlet and 2 RJ-45 
ports, its predecessor WR710N 150 Mbps, WR802N 300 Mbps and powered via 
micro-USB port and 1 RJ-45 port, and finally WR702N 150 Mbps. If I read 
correctly, only the 8xx models have at least 8 Mb of flash memory required for 
OpenWRT so it's down to either WR810N or WR802N. Of note is that all routers 
are apparently sold in a US version where the firmware is locked and a European 
version where it is not, the latter easier to flash.

OpenWRT seems like a good solution. However, I am not an expert on this and two 
questions remain:

- Will OpenWRT allow me to using a computer, tablet or phone configure the 
access when the hotel (or similar) uses a web page where one has to enter 
userid and password?

- When the router is connected to the WAN using an Ethernet cable, am I correct 
that it is used in AP (Access Point) mode? And when the router is connected to 
the WAN using WiFi and the user devices access the router it is used in Bridge 
mode?

Thank you for all the suggestions and comments so far!

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Re: [CentOS] Off-Topic: Travel Router and Firewall

[H]

On 11/23/2016 11:24 PM, Leon Fauster wrote:

Am 23.11.2016 um 21:18 schrieb H :

This is off-topic and the only connection with CentOS is that the laptop will 
be running CentOS...

I am looking for a travel router/firewall for a number of reasons:

- Protect against outside attacks when outside the office/home not relying on 
whatever protection the laptop/tablet/phone offers.

- Allow for fast transfer for data between devices without being limited by the 
bandwidth of the hotel etc., even without being connected to the internet.

- Allow for multiple devices even when the hotel etc. only allows one device to 
be registered.

The ideal device should:

- Be small, ideally be able to be charged via a USB port.

- Use open-source software that the user can update.

- Allow the user to log on the device and set up the connection with the hotel 
etc. which often requires a userid and password to be entered on a browser page.

- Allow using either a RJ-45 wired or wireless connection to the outside net.

- Have at least two RJ-45 ports to connect a laptop avoiding WiFi.

- Allow for VPN tunneling.

If anyone has suggestions, they would be greatly appreciated!


DIY based on http://www.pcengines.ch/ hardware ...

--
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Noted but there may be solutions already available.

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Re: [CentOS] Off-Topic: Travel Router and Firewall

[H]

On 11/23/2016 11:40 PM, John R Pierce wrote:

On 11/23/2016 2:24 PM, Leon Fauster wrote:

DIY based onhttp://www.pcengines.ch/ hardware ...


the APU2, which is their current generation board suitable for a router like 
this, requires 12VDC up to 1 amp, so tis not suitable for USB power (5V, up to 
2.5 amp) unless you rig up a USB to 12V DC-DC converter.

I do wonder how the OP plans on connecting his phone and/or tablet via ethernet 
to this.   if the hotel internet is wifi, and he wants his own private wifi for 
said phone/tablet, the router would need TWO wifi adapters.



You are right, I had forgotten about needing two WiFi adapters... If there is 
an Ethernet jack in the hotel room I would go with that but that is, of course, 
far from assured and two WiFi nets would be needed.

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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Leon Fauster]

Am 24.11.2016 um 00:15 schrieb Warren Young :
> On Nov 23, 2016, at 3:40 PM, John R Pierce  wrote:
>> I do wonder how the OP plans on connecting his phone and/or tablet via 
>> ethernet to this.
> 
> It can be done:
> 
>  http://www.gottabemobile.com/2014/08/28/how-to-connect-an-ipad-to-ethernet/


I have such a setup here with an iPadAir. Normal network use works but 
"facetime"
seems to be hardwired to WIFI. It complains not having a connection. So, not 
100%
functional. 

--
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Re: [CentOS] Off-Topic: Travel Router and Firewall

[John R Pierce]

On 11/23/2016 3:15 PM, Warren Young wrote:

On Nov 23, 2016, at 3:40 PM, John R Pierce  wrote:

On 11/23/2016 2:24 PM, Leon Fauster wrote:

DIY based onhttp://www.pcengines.ch/  hardware ...

...tis not suitable for USB power (5V, up to 2.5 amp)

I think you mean 2.5*watts*  not amps.  USB 2.0 and below are 500 mA @ 5 Vdc 
max == 2.5W.  There are nonstandard extensions to USB to allow 2+ amps, but you 
can’t expect to get that from generic USB ports.


USB 2 battery charging extensions 1.2, from 2010, allow as much as 5 
amps in charge mode, and 1.5 amps while communicating over the USB.


Yes, the port (or power adapter) has to be built to allow this much 
power, and the device has to verify the port can provide it before it 
can suck it down.   my 5+ year old laptop has one such 'charging' port, 
the other ports are limited to 0.5amp.  you have to enable the charging 
port in the BIOS, and it can be configured to stay live when the laptop 
is sleeping as long as the laptop is plugged in and not running on the 
laptop's internal battery.



http://www.usb.org/developers/docs/devclass_docs/BCv1.2_070312.zip


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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Warren Young]

On Nov 23, 2016, at 3:40 PM, John R Pierce  wrote:
> 
> On 11/23/2016 2:24 PM, Leon Fauster wrote:
>> DIY based onhttp://www.pcengines.ch/  hardware ...
> 
> ...tis not suitable for USB power (5V, up to 2.5 amp)

I think you mean 2.5 *watts* not amps.  USB 2.0 and below are 500 mA @ 5 Vdc 
max == 2.5W.  There are nonstandard extensions to USB to allow 2+ amps, but you 
can’t expect to get that from generic USB ports.

USB 3 Type C fixes this, but I don’t think that helps the OP.

> unless you rig up a USB to 12V DC-DC converter.

Increasing the voltage decreases the current.  TANSTAAFL.

With typical conversion losses, you could only expect to get about 170 mA out 
of USB when boosted to 12V.

Incidentally, the Raspberry Pi is only USB-powered in the sense that the base 
board will usually run fine from a PC USB port.  Add a couple of wifi radios 
and an Ethernet adapter, and you may exceed the 500 mA limit.  The Pi is also 
famously intolerant of power rail sags and such.

It’s best to think of the Pi as a device that just happens to have a micro USB 
power connector on it, but which is still wall-powered.

> I do wonder how the OP plans on connecting his phone and/or tablet via 
> ethernet to this.

It can be done:

  http://www.gottabemobile.com/2014/08/28/how-to-connect-an-ipad-to-ethernet/

I assume there are equivalent methods on Android.

> the router would need TWO wifi adapters.

Yes, that’s a much simpler option, inherent in a proper travel router, another 
reason to avoid hacking something up with a Pi.  The problem’s already been 
solved, and solved well.

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Re: [CentOS] Off-Topic: Travel Router and Firewall

[John R Pierce]

On 11/23/2016 2:24 PM, Leon Fauster wrote:

DIY based onhttp://www.pcengines.ch/  hardware ...


the APU2, which is their current generation board suitable for a router 
like this, requires 12VDC up to 1 amp, so tis not suitable for USB power 
(5V, up to 2.5 amp) unless you rig up a USB to 12V DC-DC converter.


I do wonder how the OP plans on connecting his phone and/or tablet via 
ethernet to this.   if the hotel internet is wifi, and he wants his own 
private wifi for said phone/tablet, the router would need TWO wifi adapters.



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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Stefan Sticht]

Hi,


IMHO the best open source solution is this:

https://wiki.openwrt.org/toh/tp-link/tl-mr3020

There were other small but not tiny TP Link routers with w/ OpenWRT in 
the past with built-in switch.

Sth like TP-WR941

Take care,
Stefan

On 23.11.2016 21:56, Mauricio Tavares wrote:

Go to the openwrt site and see what replaced the TP-Link TL_WRN702N.
The new one has 2 ether ports and can be USB powered.

Of course, there are those who will say you should use a raspberry pi
for that...

On Wed, Nov 23, 2016 at 3:18 PM, H  wrote:

This is off-topic and the only connection with CentOS is that the laptop
will be running CentOS...

I am looking for a travel router/firewall for a number of reasons:

- Protect against outside attacks when outside the office/home not relying
on whatever protection the laptop/tablet/phone offers.

- Allow for fast transfer for data between devices without being limited by
the bandwidth of the hotel etc., even without being connected to the
internet.

- Allow for multiple devices even when the hotel etc. only allows one device
to be registered.

The ideal device should:

- Be small, ideally be able to be charged via a USB port.

- Use open-source software that the user can update.

- Allow the user to log on the device and set up the connection with the
hotel etc. which often requires a userid and password to be entered on a
browser page.

- Allow using either a RJ-45 wired or wireless connection to the outside
net.

- Have at least two RJ-45 ports to connect a laptop avoiding WiFi.

- Allow for VPN tunneling.

If anyone has suggestions, they would be greatly appreciated!
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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Leon Fauster]

Am 23.11.2016 um 21:18 schrieb H :
> This is off-topic and the only connection with CentOS is that the laptop will 
> be running CentOS...
> 
> I am looking for a travel router/firewall for a number of reasons:
> 
> - Protect against outside attacks when outside the office/home not relying on 
> whatever protection the laptop/tablet/phone offers.
> 
> - Allow for fast transfer for data between devices without being limited by 
> the bandwidth of the hotel etc., even without being connected to the internet.
> 
> - Allow for multiple devices even when the hotel etc. only allows one device 
> to be registered.
> 
> The ideal device should:
> 
> - Be small, ideally be able to be charged via a USB port.
> 
> - Use open-source software that the user can update.
> 
> - Allow the user to log on the device and set up the connection with the 
> hotel etc. which often requires a userid and password to be entered on a 
> browser page.
> 
> - Allow using either a RJ-45 wired or wireless connection to the outside net.
> 
> - Have at least two RJ-45 ports to connect a laptop avoiding WiFi.
> 
> - Allow for VPN tunneling.
> 
> If anyone has suggestions, they would be greatly appreciated!


DIY based on http://www.pcengines.ch/ hardware ...

--
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Re: [CentOS] Off-Topic: Travel Router and Firewall

[John R Pierce]

On 11/23/2016 12:56 PM, Mauricio Tavares wrote:

Of course, there are those who will say you should use a raspberry pi
for that...


a raspberry pi has only one 100baseT ethernet port, and 11N wireless 
(about 50Mbps effective max throughput on wifi).




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Re: [CentOS] Off-Topic: Travel Router and Firewall

[Mauricio Tavares]

Go to the openwrt site and see what replaced the TP-Link TL_WRN702N.
The new one has 2 ether ports and can be USB powered.

Of course, there are those who will say you should use a raspberry pi
for that...

On Wed, Nov 23, 2016 at 3:18 PM, H  wrote:
> This is off-topic and the only connection with CentOS is that the laptop
> will be running CentOS...
>
> I am looking for a travel router/firewall for a number of reasons:
>
> - Protect against outside attacks when outside the office/home not relying
> on whatever protection the laptop/tablet/phone offers.
>
> - Allow for fast transfer for data between devices without being limited by
> the bandwidth of the hotel etc., even without being connected to the
> internet.
>
> - Allow for multiple devices even when the hotel etc. only allows one device
> to be registered.
>
> The ideal device should:
>
> - Be small, ideally be able to be charged via a USB port.
>
> - Use open-source software that the user can update.
>
> - Allow the user to log on the device and set up the connection with the
> hotel etc. which often requires a userid and password to be entered on a
> browser page.
>
> - Allow using either a RJ-45 wired or wireless connection to the outside
> net.
>
> - Have at least two RJ-45 ports to connect a laptop avoiding WiFi.
>
> - Allow for VPN tunneling.
>
> If anyone has suggestions, they would be greatly appreciated!
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[CentOS] Off-Topic: Travel Router and Firewall

[H]

This is off-topic and the only connection with CentOS is that the laptop will 
be running CentOS...

I am looking for a travel router/firewall for a number of reasons:

- Protect against outside attacks when outside the office/home not relying on 
whatever protection the laptop/tablet/phone offers.

- Allow for fast transfer for data between devices without being limited by the 
bandwidth of the hotel etc., even without being connected to the internet.

- Allow for multiple devices even when the hotel etc. only allows one device to 
be registered.

The ideal device should:

- Be small, ideally be able to be charged via a USB port.

- Use open-source software that the user can update.

- Allow the user to log on the device and set up the connection with the hotel 
etc. which often requires a userid and password to be entered on a browser page.

- Allow using either a RJ-45 wired or wireless connection to the outside net.

- Have at least two RJ-45 ports to connect a laptop avoiding WiFi.

- Allow for VPN tunneling.

If anyone has suggestions, they would be greatly appreciated!
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