All MIBs › CTATX-MIB › ruleFilterIpOption
ruleFilterIpOption
Module: CTATX-MIB
OID (symbolic): CTATX-MIB::ruleFilterIpOption
OID (numeric): 1.3.6.1.4.1.97.3.23.2.1.12
Node type: OBJECT-TYPE
Type: Boolean
Access: read-write
Description: Whether to filter packets with an IP header length of other than 5.
What is ruleFilterIpOption?
This boolean controls whether to filter packets whose IP header length is not the standard length, i.e. packets carrying IP options. Packets with IP options are unusual in normal traffic and are sometimes used to probe or exploit routers, so filtering them tightens a rule's security posture. An admin locking down a rule against IP-option-based scanning would enable ruleFilterIpOption.
Examples
Walk all instances (SNMPv2c):
snmpwalk -v2c -c public <target> 1.3.6.1.4.1.97.3.23.2.1.12 snmpwalk -v2c -c public <target> CTATX-MIB::ruleFilterIpOption
Get a specific instance (index 1):
snmpget -v2c -c public <target> 1.3.6.1.4.1.97.3.23.2.1.12.1 snmpget -v2c -c public <target> CTATX-MIB::ruleFilterIpOption.1
Set instance 1 (SNMPv2c):
snmpset -v2c -c private <target> 1.3.6.1.4.1.97.3.23.2.1.12.1 s <value>
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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 |
| 1.3.6.1.4.1.97.3.23 | ssecure | CTATX-MIB |
| 1.3.6.1.4.1.97.3.23.2 | ruleTable | CTATX-MIB |
| 1.3.6.1.4.1.97.3.23.2.1 | ruleEntry | CTATX-MIB |
| 1.3.6.1.4.1.97.3.23.2.1.12 | ruleFilterIpOption | CTATX-MIB |