[52946] trunk/dports/_resources/port1.0/fetch/mirror_sites.tcl

Joshua Root jmr at macports.org
Mon Jun 29 21:17:58 PDT 2009


On 2009-6-30 11:10, Ryan Schmidt wrote:
> On Jun 29, 2009, at 19:14, Rainer Müller wrote:
> 
>> The problem is not the ping-based selection of servers. A server can
>> sucessfully respond to ICMP echo requests, but may drop any packets sent
>> over TCP to port 80/21 - by firewall rules on the host itself or on the
>> route. This means it will not even respond with "Connection refused" and
>> thus leaves the connection in a half-established state which will only
>> be resolved by a timeout.
> 
> True. But what started me on this line of questioning was Toby's
> statement that the server does not respond to pings.

Toby said it's only an issue when no servers have the file, i.e. MP has
gone through every server in the list until it reaches arn.se (which is
last apart from macports svn). Then it has to wait for the timeout. This
is why he said it's really not that big a deal.

- Josh


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