Place dirt blocks on the lava source blocks if there aren't too many of them. Problem solved.
Do the water thing if it appears that there are a lot of source blocks. It works reasonably well for getting rid of large amounts of lava. It's quicker and safer than trying to contain it all with dirt blocks anyway.
Yes, I am also concerned RE griefing. I assume none of the "core" members of the server are responsible, but there were recently some new additions - peoples' roomates etc... that none of us have experience with.
I'd like to keep it all grief-free if we can. If anybody knows anybody doing this then please let me or Jim know so we can warn / kick them.
If there are concerns about the server IP being compromised by the public at large, I think it's fairly easy for jim to enable a server whitelist or simply change the IP to something new and secret (ie distributed only via private message).
Let me know and I'll chat with Jim about it.
This post has been edited by cerveza_fiesta: 25 January 2011 - 12:43 PM