Basically he's hosting a server with an increased spawnrate of vehicles and some rmod vehicles.
Rmod removes the banlist in dayz and adds in things like military vehicles.
rmod download:
http://www.mediafire.com/?idr7hprerq1qa75filepath to install @rmod to: C:\Program Files (x86)\Steam\steamapps\common\arma 2 operation arrowhead
launch options to put into to enable rmod: -mod=@rmod
50.97.49.84 is the IP address
3323 is the port
or you can put "jazz" into the filter
password is "blfserver" without quotations
Suspected hacking (with some evidence) will be a one day ban.
Join please, it's very fun.