Comment 4 for bug 965885

Looks like a mess left behind from a chromium proxy switching extension. resetting autoconfig-url and ignore-hosts fixed it.

[2/9997]rj@wolle:~$ gsettings list-recursively org.gnome.system.proxy
org.gnome.system.proxy autoconfig-url 'file:///home/rj/.config/chromium/Default/Extensions/caehdcpeofiiigpdhbabniblemipncjj/1.6.3_0/plugins/SwitchySocks.pac?1301977798505'
org.gnome.system.proxy ignore-hosts @as []
org.gnome.system.proxy mode 'none'
org.gnome.system.proxy use-same-proxy false
org.gnome.system.proxy.ftp host ''
org.gnome.system.proxy.ftp port 0
org.gnome.system.proxy.http authentication-password ''
org.gnome.system.proxy.http authentication-user ''
org.gnome.system.proxy.http enabled false
org.gnome.system.proxy.http host ''
org.gnome.system.proxy.http port 0
org.gnome.system.proxy.http use-authentication false
org.gnome.system.proxy.https host ''
org.gnome.system.proxy.https port 0
org.gnome.system.proxy.socks host 'localhost'
org.gnome.system.proxy.socks port 1080