2 username="http://joeyh.name/"
5 date="2013-05-17T17:55:46Z"
7 Normally ikiwiki requires a valid session cookie of a logged in user to edit pages. It sounds like you may have the opendiscussion or anonok plugins enabled, which allows anyone to edit without logging in. Recommend disabling them.
9 Since you know the spammer's IP, put it into ikiwiki.setup:
16 If the user was logging in, you could also put their username in the ban list.
18 You can also try enabling the blogspam plugin.