Specifications
Creating and Committing a Security ACL
RoamAbout Mobility System Software Configuration Guide 15-7
Setting TCP and UDP ACLs
SecurityACLscanfilterTCP andUDPpacketsbysourceand destinationIPaddress,precedence,
andTOSlevel.YoucanapplyaTCPACLtoestablishedTCPsessionsonly,nottonewTCP
sessions.Inaddition,securityACLsforTCPandUDPcanfilterpacketsaccordingtoasourceport
on
thesourceIPaddressand/oradestinationportonthedestinationIPaddress,ifyouspecifya
portnumberandanoperatorintheACE.(ForalistofTCPandUDPportnumbers,see
www.iana.org/assignments/port‐numbers.)
Theoperatorindicateswhethertofilterpacketsarrivingfromordestinedfora
portwhose
numberisequalto(eq),greaterthan(gt),lessthan(lt),notequalto(neq),orinarangethat
includes(range)thespecifiedport.TospecifyarangeofTCPorUDPports,youenterthe
beginningandendingportnumbers.
Table 15-3 Common ICMP Message Types and Codes
ICMP Message Type (Number) ICMP Message Code (Number)
Echo Reply (0) None
Destination Unreachable (3) • Network Unreachable (0)
• Host Unreachable (1)
• Protocol Unreachable (2)
• Port Unreachable (3)
• Fragmentation Needed (4)
• Source Route Failed (5)
Source Quench (4) None
Redirect (5) • Network Redirect (0)
• Host Redirect (1)
• Type of Service (TOS) and Network Redirect (2)
• TOS and Host Redirect (3)
Echo (8) None
Time Exceeded (11) • Time to Live (TTL) Exceeded (0)
• Fragment Reassembly Time Exceeded (1)
Parameter Problem (12) None
Timestamp (13) None
Timestamp Reply (14) None
Information Request (15) None
Information Reply (16) None
Note: The CLI does not accept port names in ACLs. To filter on ports by name, you must use
RoamAbout Switch Manager. For more information, see the RoamAbout Switch Manager Interface
Reference.