On 16 feb 2010, at 11.35, Bret S. Lambert wrote:

> On Tue, Feb 16, 2010 at 11:28:28AM +0100, Per-Olov Sj?holm wrote:
>>
>> On 16 feb 2010, at 11.17, Bret S. Lambert wrote:
>>
>>>>> There is a way to do port knocking in pf without any external help.
Maybe
>>>>> you can figure it out. I will not give more hints since port knocking is
a
>>>>> dumb idea better spend your time reading on authpf(8).
>>>>>
>>>>> --
>>>>> :wq Claudio
>>>>>
>>>>
>>>> How do you use authpf from a IPhone or similar...
>>>>
>>>> The reason is to use and RSS reader that cannot autenticate. I want some
sort
>>>
>>> An RSS reader that can't authenticate, but can ping a series of TCP/IP
ports?
>>
>> Where did you get that from? I didn't say it could... No but all devices
with an RSS client, even phones, have a web browser that can have a bookmarked
IP and obscure port.
>>>
>>>> of security for it even though it's not critical. Therefor I want to just
have
>>>    ^^^^^^^^
>>> That word you keep using...I don't think it means what you think it
means.
>>> Unless you've got a mechanism to randomize the ports on every
port-knocking
>>> attempt, you're essentially using a plaintext password on the internet.
>>>
>>
>> None said anything about a password.. From where did you get that?
>
> I said that you're *essentially* using a plaintext password, not that
> you're *actually* using a plaintext password. My meaning was that you're
> effectively using a security model that's been known to be bad for as
> long as I've been in the tech industry.
>
>> forcing the clients to first open their browser and access a
>> specific IP and a specific port.
>
> Yes, because those are impossible for an attacker to guess.
>
>> But again, the data is not that critical.
>
> Then why care about "security" at all?
>
>> And it's not likely they will guess the link.
>
> Congratulations; I'm actually at a loss for words after reading that.


See my post to Peter H. You obviously have not worked with security and the
tradeoffs you _always_ have to make.

If you don't have anything to come up with, don't bother to post.


/Per-Olov

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