what are flags and what's their use?
At the game rules

Flags are like settings.
Server Flags:
Flag 1 DQ = yes, DM = no, Frac = no, Grip = yes
Flag 2 DQ = no, DM = yes, Frac = no, Grip = yes
Flag 3 DQ = yes, DM = yes, Frac = no, Grip = yes
Flag 4 DQ = no, DM = no, Frac = no, Grip = no
Flag 5 DQ = yes, DM = no, Frac = no, Grip = no
Flag 6 DQ = no, DM = yes, Frac = no, Grip = no
Flag 7 DQ = yes, DM = yes, Frac = no, Grip = no
Flag 8 DQ = no, DM = no, Frac = yes, Grip = yes
Flag 9 DQ = yes, DM = no, Frac = yes, Grip = yes
Flag 10 DQ = no, DM = yes, Frac = yes, Grip = yes
Flag 11 DQ = yes, DM = yes, Frac = yes, Grip = yes
Flag 12 DQ = no, DM = no, Frac = yes, Grip = no
Flag 13 DQ = yes, DM = no, Frac = yes, Grip = no
Flag 14 DQ = no, DM = yes, Frac = yes, Grip = no
Flag 15 DQ = yes, DM = yes, Frac = yes, Grip = no
Flag 16 DQ = no, DM = no, Frac = no, Grip = yes

I found it from this thread. You should google first before asking :/

oh thanks.
And i forgot that i had google lol