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Re: Both Xcode or codesign fail behind a proxy (timestamp not found)
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Re: Both Xcode or codesign fail behind a proxy (timestamp not found)


  • Subject: Re: Both Xcode or codesign fail behind a proxy (timestamp not found)
  • From: Jens Alfke <email@hidden>
  • Date: Tue, 2 May 2017 12:55:09 -0700


On May 2, 2017, at 2:31 AM, FILHOL Alain <email@hidden> wrote:

We used “Wireshark.app” to analyse the network packets and found that “codesign” superbly ignores the proxy and tries to access Apple’s timestamp server (17.252.44.89, 17.252.44.94, etc.) directly.
The following commands:
$ export http_proxy=“http://193.xx.yy.zz:8888"
$ export https_proxy=“http://193.xx.yy.zz:8888"
marginally improved the situation since codesign has more transactions with the proxy but not enough to solve the case.

Network Time Protocol (NTP) doesn’t use HTTP; it generally doesn’t use TCP at all. Does your proxy server support forwarding UDP?

—Jens
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