=================
NetFlow Simulator
=================

yTvz
NetFlow Simulator ́ANetFlow v5`̃pPbg𑗐Mc[łB
FlowSettings.txt ҏW邱ƂŐݒύX邱Ƃ\łB
ҏWꍇA̐ݒt@C̃IWíAʂɕۑĂƂ߂܂B
NetFlow Simulator 𓮍삳ɂ́AstartNetFlowSimulator.bat s܂B

yNetFlow Simulator ̓ez
Flowsettings.txt@@@@ FNetFlow Simulator ̐ݒt@C
README.txt@@@@@@@ F{t@C
SendNetFlows.class@@@ FNetFlow Simulator ̖{
startNetFlowSimulator.batFNetFlow Simulator Nob`

yCXg[菇z
(1)OƂāAJRE1.5ȏCXg[ĂKv܂B
(2)NetFlowSimulator.zip Cӂ̃tH_ɂĉ𓀂܂B
(3)JRE  NetFlow Simulator ɂẴpXݒAstartNetFlowSimulator.bat ̒ōs܂B
   ftHg̐ݒQlɂĂB
(4)Kvł΁AFlowSettings.txt ҏW܂Bڍׂ͕ʂɋLڂ܂B

yNetFlow Simulator̎sz
startNetFlowSimulator.bat s܂B

yNetFlow Simulator̒~z
CTRL + c Œ~܂B

y̑z
NetFlow Simulator ́ANetFlow Analyzer CXg[Ă}VɃCXg[邱ƂA
ʃ}VɃCXg[邱Ƃ\łBNetFlow f[^̑M̎wɂӂ
(FlowSettings.txt (1) ipaddress(2) portnumberQƂ)B

yFlowSettings.txt ̏ڍׁz
EtB[h
(1) ipaddressFNetFlow f[^MzXg(zXgA邢IPAhX)
(2) portnumberFNetFlow f[^M|[gԍ
(3) no_of_interfacesFNetFlow f[^𑗐MC^[tF[X
(4) intervalFNetFlow f[^MԊu[~bP]
(5) no_of_packetsFC^[oɑMpPbg
(6) no_of_flowsFC^[oɑMt[
(7) verboseFt[output.txt ɏo͂邩ǂ(YesFo͗LANoFo͖(ftHg))
(8) src_ip_addressFNetFlow f[^MIPAhX
(9) dst_ip_addressFNetFlow f[^IPAhX
(10)ip-typeFvgRԍ
(11)src_port_rangeFNetFlow f[^M|[g͈
(12)dst_port_rangeFNetFlow f[^|[g͈
(13)reset_octets_afterFINebgJEg1 ܂ŃZbg鎞ԊԊu[P]
(14)src_interfaceF̂Q̃C^[tF[XԂŃt[̂sz̏ꍇ̑MC^[tF[X
(15)dst_interfaceF̂Q̃C^[tF[XԂŃt[̂sz̏ꍇ̈C^[tF[X
(16)octetsFINebg
(17)src_asFMASԍ
(18)dst_asFASԍ
(19)router_ipF[^[IPAhX
(20)packetsFpPbg
(21)flow_durationFt[x
(22)tosFIP T[rX^Cv
(23)tcp_flagFTCP tO
(24)active_timeoutFpPbg̃t[JnԂ߂ۂɌݎk鎞[P]

EFlowsettings.txt ҏWۂ̒ӎ
1. ϐ͕ύXȂłB

2. Xy[X͒ǉȂłB

3. FlowSettings.txt ́ASendNetFlows.class uĂfBNg[ɒuĂB

4. ŏ3̃tB[hu(1)ipaddressvu(2)portnumbervu(3)no_of_interfacesv̐ݒɂẮA
@ ɐƂmFĂB

5.u(6)no_of_flowsvtB[hɂẮAMt[_ɕωꍇɂ́A̐ݒɂĂB

6.u(10)IP-typevtB[h(vgRԍ)́ATCP ̏ꍇɂ́A13 ƂĂB

7. JnIPAhXƁAIIPAhX́APɂIPAhXI邽߂͈̔͂łāA
@@MшƂ͊֌W܂B

8.u(10)IO-typevM|[gA|[ǵAȉ̌`̂ꂩŐݒ\łB
@@J}؂F()1,2,12,32,33
@@͈͎w@@F()12-33
@@lw@@@F()12

9.@MIPAhXшIPAhX́Aȉ̌`̂ꂩŐݒ\łB
@@J}؂F()192.168.1.1,192.168.2.3
@@͈͎w@@F()192.168.1.1-192.168.1.10
@@lw@@@F()192.168.1.1
@@󗓂̂܂܁@FIPAhX_ɐ

10. MC^[tF[XшC^[tF[X́AP݂̂̐lƂł܂B
@@́AQ̓̃C^[tF[XԂŃt[𑗐M̂ɗp܂B
@@MC^[tF[XшC^[tF[Xɒlݒ肵ꍇ́A炾LɂȂ܂B

11. V5 NetFlow pPbgł́u(6)no_of_flowsv́A30 ȉ̐ɂ܂B

12.u(16)Octetsv́Aw肳ꂽINebgl萔M̂ɗp܂B

13.u(7)verbosevtB[h́uyesvƐݒ肷ƑMt[񂪁Aoutput.txt ɏo͂܂B
@@output.txt ́ASendNetFlows.class uĂfBNg[ɏo͂܂B
@@ftHgݒĺunovłB

14.IPAhX͈͂́Ãlbg[Nɂ܂ĂꍇA
@@192.168.1.0-192.168.2.0 ̂悤ɐݒ肷ɁA
@@192.168.1.0-192.168.2.255 ̂悤ɐݒ肵܂B
@@́ANetFlow Simulator Aݒ肳ꂽ͈͂Ő𐶐邾łB
@@Ⴆ΁A192.168.1.0-192.168.2.25 Ƃwɑ΂āA
@@192.168.1.0  192.168.1.25 ܂ł͈̔͂IPAhX̂݁A
@@邢́A192.168.2.0  192.168.2.25 ܂ł͈̔͂IPAhX݂̂A
@@_ɐ܂B

15.u(19)router_ipvtB[h́A[^IPAhXw肷̂ɗp܂(zIPݒ肳Ăꍇ)B
@@A󗓂̂܂܂ɂȂĂꍇɂ́AM}VIPAhX(FlowSettings.txt (1)ipaddress)
@@[^IPAhXƂ܂B

16.u(22)tosvtB[hсu(23)tcp_flagvtB[h́A
@@256(1oCĝƂ)ȉ̐l܂B

17. t[Ԃ̌vŹÂ悤ɍs܂B
@@u(21)flow_durationvtB[h́AFlowSettings.txtl擾܂B
@@u(24)active_timeoutvtB[hAFlowSettings.txtl擾܂B
@@pPbg̍ŏ̃t[̃t[JnԂ́A݃}Vt(currenttime)A
@@u(24)active_timeoutvtB[h̎̕ԂƂĎ擾܂B
@@t[IԂ́At[Jn + t[x(flow_duration)łB
@@et[ɊւāAt[JnԂуt[IԂ́At[JnԂ
@@Čݎ傫ȂȂ悤ɃCNg܂B
@@flowdiv ́A̎Ŏ擾܂B
@@flowdiv = (currenttime - (currenttime - active_timeout)) / no_of_flows;
@@et[ɊւāA
@@t[Jn = t[Jn + flowdiv
@@t[I = t[I + flowdiv

yz
1. |[gԍASԍ̐ݒ́A32767 𒴂ȂlɂĂB
2. C^tF[X́A2ȏɐݒ肵ĂB

