[X4U] Software Update-low level how does it work?

[Russell McGaha]

dZ;
	According to their networking people; the traffic is NOT encrypted.

Russell
On Apr 4, 2005, at 9:13 AM, DZ-Jay wrote:

> Hello:
>
> 	I had a somewhat similar problem with different 
> network/application/operating system, and it boiled down to the MTU 
> size being too large for some TCP/IP transactions.  Is the network 
> traffic encapsulated in a VPN, or otherwise encrypted?  If so, you 
> might need to lower the MTU.
>
> 	Don't know if this applies to your problem, though.
>
> 	dZ.
>
> Russell McGaha wrote:
>> Folks;
>>     First, PLEASE excuse the x-post for those of you who get both 
>> lists.
>>     Second, I've got some clients on a Government installation that 
>> are having troubles getting Software Update to do it's stuff.  Their 
>> networking department can 'see' packets going out to '17.250.248.95' 
>> (resolves to swscan.apple.com), but a reply NEVER comes back, yet 
>> anywhere EXCEPT on their network Software Update just 'does it's 
>> thing' [I've left an update waiting on my powerbook, just to check 
>> things].
>>     Does anyone know, what ports, protocols, etc. Software updates 
>> uses, or just how it works?  Supposedly they are NOT blocking any 
>> ports or going thru a proxy server that requires a username/password 
>> [the only article I found at Apple that closely matches what's 
>> happening, references this as a problem].
>> THANKS for ANY help;
>> Russell
>> P.S. The error Software Update gives is "unable to connect to the 
>> Internet, please check your network connection and try again"; all 
>> other browsing works fine.
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