User's Manual Part 2
50JadeOSUserManual
Twoconfigurationcommandsinconfigmode:
firewall cp-bandwidth-contract <service type> <pps number | traffic
limit>
firewall sp-bandwidth-contract <service type> <pps number | traffic
limit>
Forexample:
Toconfiguretheratelimitofsessioncreationis50000persecond:
(JadeOS) (config)#firewall sp-bandwidth-contract session pps 50000
Toconfiguretheratelimitofnewonlineuseris700persecond:
(JadeOS) (config)#firewall sp-bandwidth-contract user pps 700
ToconfiguretherateofreceivingDHCPmessageis2000persecond:
(JadeOS) (config)#firewall cp-bandwidth-contract dhcp pps 2000
ToconfiguretherateofreceivingARPmessageis2000persecond:
(JadeOS) (config)#firewall cp-bandwidth-contract arp pps 2000
To configure the rate of re ceiving unicast message that failed authentication is
10Mbps:
(JadeOS) (config)#firewall cp-bandwidth-contract untrusted-ucast 10 0
7.5ConfiguringLawfulIn tercept
LawfulinterceptisaprocessthatenablesaLawEnforcementAgency(LEA)toper‐
formelectronicsurveillanceonanindividual(atarget)asauthorizedbyajudicialor
administrativeorder.Tofacilitatethelawfulinterceptprocess,certainlegislationand
regulationsrequireserviceproviders(SPs)andInternetserviceproviders(ISPs)to
implementtheirnetworkstoexplicitlysupportauthorizedelectronicsurveillance.
Thesurveillanceisperformedthroughtheuseofwiretapsontraditionaltelecommu‐
nicationsandInternetservicesinvoice,data,andmultiservicenetworks.TheLEAde‐
liversarequestforawiretaptothetarget'sserviceprovider,whoisresponsiblefor
interceptingdatacommunicationtoandfromtheindividual.Theserviceprovider
usesthetarget'sIPaddressorsessiontodeterminewhichofitsedgeroutershandles
thetarget'straffic(datacommunication).Theserviceprovidertheninterceptsthe
target'strafficasitpassesthroughtherouter,andsendsacopyoftheintercepted
traffictotheLEAwithoutthetarget'sknowledge.
ConfigurationSteps:
Step1TocreateLIG(LIgateway),andspecifytheencapsulationwayoftrafficsent
toLIG,usethefollowingcommandinLImode:
lig add <li-gateway-name> [mirror|udp][interface|id]
Step2ToaddLIrule,andspecifyLIname(basedonACL,IP,MAC,networksegment)
andLIGwhichreceivestheLItraffic,usethefollowingcommand: