[MacTUG] OmniPrint - UW wireless printing tutorial

Donald Duff-McCracken dsmccrac at uwaterloo.ca
Mon May 30 10:49:58 EDT 2011


Thanks Mike, I will stop my frets ;-) I forgot that since it was SMB,
folks were not going to be working off campus anyhow, unless they were
VPNing in which case that would be secure anyhow.

don



On 11-05-30 10:05 AM, "Mike Patterson" <mpatterson at uwaterloo.ca> wrote:

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>I'm not sure it'll push the credentials, given the campus boundary
>blocks on SMB. It would need to establish a TCP connection first, which
>it can't, because SYN to all related destination ports is blocked.
>
>While it's still a concern if credentials are potentially passed
>cleartext, it _shouldn't_ be a problem from off-campus.
>
>(I'm not sure about the details of the rest of Don's question, "is it
>getting pushed each time," and I've been away so I'm not positive if
>it's been answered, email backlog...)
>
>On 2011/05/26 9:51 AM, Donald Duff-McCracken wrote:
>> OK, so let me get this straight. A user sets up a printer on a secure
>> network and it is passing their password, which hopefully is not an
>>issue,
>> and hopefully no one is casually watching them type it in (in clear
>>text).
>> 
>> A month later (or whatever), the user is sitting somewhere off campus
>>and
>> hits the print command, without thinking too much about password
>>security
>> -- despite having read Marlon's reasonably worded warning, way back when
>> they set up the printer. Are going to be passing that password each time
>> they print?
>> 
>> Am I right that the password is being pushed every time you print, or
>> 'merely' when you make the printer connection initially? If it is
>>getting
>> pushed each time they print, my concerns over passwords being sent
>> unencrypted rises exponentially.
>> 
>> don
>> 
>> ------------------------------------
>> Donald Duff-McCracken
>> Technical Services Manager
>> Mapping, Analysis & Design
>> Faculty of Environment
>> University of Waterloo
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>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> 
>> On 11-05-26 9:39 AM, "Ian Turner" <iturner at uwaterloo.ca> wrote:
>> 
>>> yes - not available to undergrads
>>>
>>> On 2011/05/26 09:36 , Matthew Oliver wrote:
>>>> The campus VPN service/project won't be available to undergrads as I
>>>> understood?
>>>> Am I incorrect in that assumption?
>>>>
>>>>
>>>> On 2011-05-26, at 9:33 AM, Dani Roloson wrote:
>>>>
>>>>>> I'm guessing that using the SMB protocol here
>>>>>> would prevent any such off campus printing?
>>>>>
>>>>> Set up a VPN to use SMB from off-campus.
>>>>>
>>>>> http://ist.uwaterloo.ca/cs/vpn/index.html#toc-connecting-mac
>>>>>
>>>>> Dani
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>- -- 
>Like most computer techie people, I'll happily spend 6 hours trying
>figure out how to do a 3 hour job (which only needs to be done once)
>in 10 minutes.  - James Cort
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