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18.12.10.4. ARP/RARP
Protocol ID: arp or rarp
Rules of this type should either go into the root or arp/rarp chain.
Table 18.6. ARP and RARP protocol types
| Attribute Name | Datatype | Definition |
|---|---|---|
| srcmacaddr | MAC_ADDR | MAC address of sender |
| srcmacmask | MAC_MASK | Mask applied to MAC address of sender |
| dstmacaddr | MAC_ADDR | MAC address of destination |
| dstmacmask | MAC_MASK | Mask applied to MAC address of destination |
| hwtype | UINT16 | Hardware type |
| protocoltype | UINT16 | Protocol type |
| opcode | UINT16, STRING | Opcode valid strings are: Request, Reply, Request_Reverse, Reply_Reverse, DRARP_Request, DRARP_Reply, DRARP_Error, InARP_Request, ARP_NAK |
| arpsrcmacaddr | MAC_ADDR | Source MAC address in ARP/RARP packet |
| arpdstmacaddr | MAC _ADDR | Destination MAC address in ARP/RARP packet |
| arpsrcipaddr | IP_ADDR | Source IP address in ARP/RARP packet |
| arpdstipaddr | IP_ADDR | Destination IP address in ARP/RARP packet |
| gratuitous | BOOLEAN | Boolean indiating whether to check for a gratuitous ARP packet |
| comment | STRING | text string up to 256 characters |
