All MIBs › CTATX-MIB › filterField
filterField
Module: CTATX-MIB
OID (symbolic): CTATX-MIB::filterField
OID (numeric): 1.3.6.1.4.1.97.3.10.7.1.15
Node type: OBJECT-TYPE
Type: OCTET STRING
Access: read-write
Description: An 8 octet value to be compared to the contents of the arbitrary field within the packet.
What is filterField?
This read-write OCTET STRING is an 8-octet value to compare against the contents of the packet at the location specified by filterOffset. An admin sets this to the specific byte pattern they want the custom filter to match, working in tandem with filterOffset and filterMask. Setting filterField to a known protocol signature byte sequence lets the filter catch packets carrying that particular payload pattern regardless of source or destination.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.97.3.10.7.1.15 snmpwalk -v2c -c public <target> CTATX-MIB::filterField
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.97.3.10.7.1.15.1 snmpget -v2c -c public <target> CTATX-MIB::filterField.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.97.3.10.7.1.15.1 s <value>
SNMPv3 example:
snmpget -v3 -l authPriv -u snmpv3-user -a SHA -A "AuthPassword1" -x AES -X "PrivPassword1" <target> filterField.1
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OID Breakdown
Upper-level ancestors (7 from the standard OID tree / other modules)
| Numeric OID | Name | Module |
|---|---|---|
| 1 | iso | LANART-AGENT |
| 1.3 | org | AirPair-MIB |
| 1.3.6 | dod | AirPair-MIB |
| 1.3.6.1 | internet | AirPair-MIB |
| 1.3.6.1.4 | private | AirPair-MIB |
| 1.3.6.1.4.1 | enterprises | AirPair-MIB |
| 1.3.6.1.4.1.97 | sigma | CT-ELS10-27-MIB |
| Numeric OID | Name | Module |
|---|---|---|
| 1.3.6.1.4.1.97.3 | ecs_1 | CTATX-MIB |
| 1.3.6.1.4.1.97.3.10 | filter | CTATX-MIB |
| 1.3.6.1.4.1.97.3.10.7 | filterTable | CTATX-MIB |
| 1.3.6.1.4.1.97.3.10.7.1 | filterEntry | CTATX-MIB |
| 1.3.6.1.4.1.97.3.10.7.1.15 | filterField | CTATX-MIB |