CABH-SEC-MIB :: cabhSecFwPolicyFileHash

MIB Reference — IPNetwork Monitor · Updated September 14, 2026

All MIBsCABH-SEC-MIBcabhSecFwPolicyFileHash

cabhSecFwPolicyFileHash

Module: CABH-SEC-MIB

OID (symbolic): CABH-SEC-MIB::cabhSecFwPolicyFileHash

OID (numeric): 1.3.6.1.4.1.4491.2.4.2.1.1.3

Node type: OBJECT-TYPE

Type: OCTET STRING

Access: read-write

Description: Hash of the contents of the rules set file, calculated and sent to the PS prior to sending the rules set file. For the SHA-1 authentication algorithm the length of the hash is 160 bits. This hash value is encoded in binary format.

What is cabhSecFwPolicyFileHash?

Stores the pre-computed SHA-1 hash (160-bit, binary-encoded) of the firewall policy rule set file, sent to the device before the file itself to allow integrity verification. The device uses this hash to confirm that the downloaded rule set has not been corrupted or tampered with.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.4491.2.4.2.1.1.3
snmpwalk -v2c -c public <target> CABH-SEC-MIB::cabhSecFwPolicyFileHash

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.4491.2.4.2.1.1.3.1
snmpget -v2c -c public <target> CABH-SEC-MIB::cabhSecFwPolicyFileHash.1

Set instance 1 (SNMPv2c):

snmpset -v2c -c private <target> 1.3.6.1.4.1.4491.2.4.2.1.1.3.1 s <value>

Start monitoring CableHome-compliant residential gateways (cable modem/router) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the CABH-SEC-MIB::cabhSecFwPolicyFileHash OID value, configure state conditions and alerts, and monitor any CableHome-compliant residential gateways (cable modem/router) from a single console.

OID Breakdown

Upper-level ancestors (9 from the standard OID tree / other modules)
Numeric OIDNameModule
1isoLANART-AGENT
1.3orgAirPair-MIB
1.3.6dodAirPair-MIB
1.3.6.1internetAirPair-MIB
1.3.6.1.4privateAirPair-MIB
1.3.6.1.4.1enterprisesAirPair-MIB
1.3.6.1.4.1.4491cableLabsCLAB-DEF-MIB
1.3.6.1.4.1.4491.2clabProjectCLAB-DEF-MIB
1.3.6.1.4.1.4491.2.4clabProjCableHomeCLAB-DEF-MIB
Numeric OIDNameModule
1.3.6.1.4.1.4491.2.4.2cabhSecMibCABH-SEC-MIB
1.3.6.1.4.1.4491.2.4.2.1cabhSecFwObjectsCABH-SEC-MIB
1.3.6.1.4.1.4491.2.4.2.1.1cabhSecFwBaseCABH-SEC-MIB
1.3.6.1.4.1.4491.2.4.2.1.1.3cabhSecFwPolicyFileHashCABH-SEC-MIB