see OC-8689 :
after updating to 2.5.1 I can't run "pod update" via AppCode anymore. "Operation timed out" while trying to connect to github. We're using a proxy, which is defined in AppCode settings as well as in .bash_profile in my user directory as well as in system settings. It's still working via terminal though. Any ideas?
Answered at http://youtrack.jetbrains.com/issue/OC-8689