Found this very usefull post by CodeSkyWolf in the BIS forums (link below).

See also
Arma Starup Parameters

Dedicated server

Mp server Commands

Server CFG

Multiplayer serve Commands

Running Dedicated server

Commands Not listed

ArmA: Startup Parameters
-noLimitTreeLODs \\sets no limit for Tree Level of Detail

Network Options
-voiceport Defult=2305 dedicated server von port Use if running two arma servers



Config Extras numberOfFiles, checkExe used like So

checkfiles[]=
{
"dta\bin.pbo"
};
numberOfFiles=32

Skywolf: what does numberOfFiles= Do how do you set it
1= ture 0=false?
numberOfFiles=29 for number of addons?

Suma: It is number of addons, and it can be used in server-side handlers for events like signature check failed.
Regards

Performance Tuning Options not known

safeMaxBandOverGood
maxBandOverGood
latencyBestAdd
latencyBestMul
latencyOkAdd
latencyOkMul
latencyWorseAdd
latencyWorseMul
latencyOverAdd
latencyOverMul
minDropouts
okDropouts
midDropouts
maxDropouts
minAckHistory
maxOutputAckMask
lostLatencyAdd
lostLatencyMul
maxChannelBitMask
ackWindow
outWindow
goodAckBandFade
minLatencyAdd
minLatencyMul
minLatencyUpdate \\update pings evry MS/s?
initLatency \\\Creates Higher pings?
minActivity
initBandwidth
ackRedundancy
ackTimeoutB
ackTimeoutA
dropGap
maxPacketSize
rcvBufSize
winsockVersion
sockets
NetServer

\\system messages used when players are conected
RegularCheck Player conected normal
OnUnsignedData Player does has Modified Signed data
OnDifferentData Player uses modified Files
OnHackedData \\player uses modified core data
DoubleIdDetected \\two players with the same Cd-key are connected
additionalSignedFiles \\player has More then normal Siigned fil


Source: - http://www.flashpoint1985.com/cgi-bin/ikonboard311/ikonboard.cgi?s=19b80b53310627108afe6d7b084fd6da;act=ST;f=73;t=63934