ZHNSYSTEM :: sysFirewallTcpSynCookies

MIB Reference — IPNetwork Monitor · Updated October 06, 2026

All MIBs › ZHNSYSTEM › sysFirewallTcpSynCookies

sysFirewallTcpSynCookies

Module: ZHNSYSTEM

OID (symbolic): ZHNSYSTEM::sysFirewallTcpSynCookies

OID (numeric): 1.3.6.1.4.1.5504.2.5.2.1.13.2

Node type: OBJECT-TYPE

Type: TruthValue

Access: read-only

Description: Enables or disables the TCP SYNCookie protection against SYN flooding denial-of-service attack.

What is sysFirewallTcpSynCookies?

Reports whether TCP SYN-cookie protection against SYN-flood denial-of-service attacks is active on this device.

Examples

Walk all instances (SNMPv2c):

snmpwalk -v2c -c public <target> 1.3.6.1.4.1.5504.2.5.2.1.13.2
snmpwalk -v2c -c public <target> ZHNSYSTEM::sysFirewallTcpSynCookies

Get a specific instance (index 1):

snmpget -v2c -c public <target> 1.3.6.1.4.1.5504.2.5.2.1.13.2.1
snmpget -v2c -c public <target> ZHNSYSTEM::sysFirewallTcpSynCookies.1

Start monitoring Zhone Technologies broadband access node, Zhone DSL/fiber gateway (device-identity/timing-sync-mode status) with a free 30-day trial of IPNetwork Monitor. Create custom SNMP monitor using the ZHNSYSTEM::sysFirewallTcpSynCookies OID value, configure state conditions and alerts, and monitor any Zhone Technologies broadband access node, Zhone DSL/fiber gateway (device-identity/timing-sync-mode status) 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
1.3.6.1.4.1.5504ZhoneBITSTORM-HP-160-MIB
1.3.6.1.4.1.5504.2zhoneProductZhone
1.3.6.1.4.1.5504.2.5zhoneWtnZhone
Numeric OIDNameModule
1.3.6.1.4.1.5504.2.5.2zhnSystemZHNSYSTEM
1.3.6.1.4.1.5504.2.5.2.1zhnSystemObjectsZHNSYSTEM
1.3.6.1.4.1.5504.2.5.2.1.13zhnSystemFirewallObjectsZHNSYSTEM
1.3.6.1.4.1.5504.2.5.2.1.13.2sysFirewallTcpSynCookiesZHNSYSTEM