Sorry for the wait, but here is an intermediate patch for server operators getting sick of zombies with guns abusing the server. It punishes anyone who fires a single shot as a zombie when zh_zomknifeonly is set to 1.
Get it from:
Note that this patch is only for people who have already upgraded to 0.2.6. Just unzip and dump the files into your cstrike/addons folder.
deegz