Question about NEC MobilePro P300 Pocket PC
Does the P300 support Point Tunneling Protocol (PPTP)?
Posted by Anonymous on
Tips for a great answer:
You understand correctly. Your traffic from you to Golden
Frog is encrypted both ways - that's why it's called VPN Tunnel. This way the
traffic appears to come from them and not from you, so you can't be traced back
easily. I say easily because there are ways, but then we're talking about
serious knowledge and effort. Think "James Bond" - nothing for the
As encryption protocol you should definitely use L2TP with
In general there are three protocols: PPTP, L2TP/IPSec, and
PPTP uses 128-bit RSA encryption, the latter two 256-bit AES.
I would choose OpenVPN over L2TP because of the lower overhead and therefore less
stress on the CPU when encrypting data.
You should steer away from PPTP since it has serious
security issues. First the encryption is done in one step compared to the two-step
process in L2TP. Furthermore PPTP is a proprietary protocol using Microsoft's
Point-to-Point Encryption protocol MPPE implementing
RSA RC4 algorithms.
L2TP on the other hand is using the standardized IPSec
protocol. RFC 4835 specifies either the non-proprietary 3DES or AES encryption
algorithm for confidentiality. iVPN uses the AES algorithm with 256 bit keys.
(AES256 is the first publicly accessible and open cipher approved by the NSA
for top secret information.)
If you want to read more about PPTP vulnerability, you can
find it here.
Your impression of torrents is not totally correct. The
software itself is not virus infected and has it's legitimate use. Example:
Most Linux distributions are available as torrents. The reason is that instead
of 100,000 people downloading the image from one server, the image is shared
between many people, therefore easing the load on the server and keeping the
cost down, since you have to pay for traffic as a host.
The general problem with torrents is that they are often used for
sharing illegal content or files, usually where the source cannot be determined
with certainty. You should always treat downloads from the internet and/or
unknown sources with suspicion and let your AV software run a scan.
Any general advice?
One big one for me is to never use Windows OS for my online
banking. I might be paranoid, but then I think I worked too hard for my money
and rather go through the inconvenience than through the "pain".
General information can be found here.
A wiki containing a list of banks and browsers supporting Linux
A distribution especially designed or online banking called "Bankix"
can be found here. The article is in German, but can easily be translated through
Google. The main advantages are:
The internal hard drive is not accessible thanks to a patch
to the Linux Kernel and the boot media is secured (prevents against Zero Day
Hope that helps.
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