/usr/share/kde4/apps/kconf_update/kioslave.upd is in kdelibs5-data 4:4.14.16-0ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | # Hello world
Id=kde2.2/r1
File=kioslaverc,kio_httprc
Group=Cache Settings,
Key=MaxCacheSize
Key=MaxCacheAge
Key=UseCache
File=kioslaverc
Group=Browser Settings/UserAgent,UserAgent
AllKeys
Id=kde2.2/r2
File=kioslaverc,kio_httprc
Group=UserAgent
Script=useragent.pl,perl
Id=kde2.2/r3
File=kioslaverc
Group=Proxy Settings
Script=proxytype.pl,perl
|