Setting it to a year should be perminant enough for any1.
%365d
Note the usage of the command
+ignore <hostmask> [%<XdXhXm>] [comment]
Anything wihtin <> or [] is changable
Arguments within <> are manditory for the command to work
Arguments within [] are optional, and just add more functionaly to the command.
Adding an ignore without the time will set it to the default time, which is set in the config file with the "ignore-time" setting.
This will not allow perminant ignores, somhow this needs addressing.