I changed line 127 of /usr/share/gwibber/plugins/twitter/gtk/twitter/__init__.py to use https instead of http which seemed to get through my work proxy:
http_url="https://api.twitter.com/oauth/access_token", -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to gwibber in Ubuntu. https://bugs.launchpad.net/bugs/259830 Title: Honor gnome proxy setting Status in Gwibber: Incomplete Status in “gwibber” package in Ubuntu: Triaged Bug description: Currently gwibber seems to expect a direct connection to the net, no use of a proxy. Gwibber should really query gnome for proxy information and use it for connecting to the net. You could also consider using libproxy. To manage notifications about this bug go to: https://bugs.launchpad.net/gwibber/+bug/259830/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : [email protected] Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp

