Index: O

object identifiers (SNMP) (see OIDs)

Object Tool Command Language (OCL): 9.2.2. ns and nam

objects

definitions in OIDs: 7.2.1.5. snmptranslate
examining MIBs in tkined: 7.2.3.3. Examining MIBs
in MIBs: 7.1. Overview of SNMP
monitoring with tkined: 7.2.3.4. Monitoring SNMP objects
object descriptors: 7.1. Overview of SNMP
retrieving with scotty: 7.2.2. scotty
SNMP objects: 7.1. Overview of SNMP
tables of: 7.2.1.3. snmpgetnext, snmpwalk, and snmptable

OCL (Object Tool Command Language: 9.2.2. ns and nam

od analysis tool: 5.4.2.3. Controlling what's displayed

offsets in packet headers: 5.4.2.4.3. Packet characteristics.

OIDs (object identifiers in SNMP)

contents: 7.1. Overview of SNMP
display options in SNMP: 7.2.1.2. Configuration and options
mrtg usage of: 8.4.1.1. mrtg configuration file
object descriptors for: 7.1. Overview of SNMP
syntax: 7.2.1.1. snmpget
translating names and numbers: 7.2.1.5. snmptranslate

ongoing costs: 1.3.2.4. Economic considerations

online documentation: B.1. Sources of Information

open files, listing for systems: 2.1.4. lsof

Open Network Management Systems: 6.1.2. Discovery and Mapping Tools

open source network management tools: 6.1.2. Discovery and Mapping Tools

OpenBSD project: 11.1.3. ssh

OpenBSD systems: 11.4.1. tripwire

A.1.4. FreeBSD Ports

openness in organizations: 1.3.2.1. Professionalism

OpenSSH project: 11.1.3. ssh

11.1.3. ssh

openssh ssh tool: A.4. Sources for Tools

operating speeds of interfaces: 8.4.1.1. mrtg configuration file

operating systems

identifying for devices: 6.3. Device Identification
inconsistent or contradictory packets and: 6.3.1. Stack Fingerprinting
known behaviors: 6.3.1. Stack Fingerprinting
NFS daemons and: 10.1.6. NFS
OS fingerprinting: 6.3.1. Stack Fingerprinting

operational costs: 1.3.2.4. Economic considerations

operators in filters: 5.4.2.4. Filtering

5.4.2.4.3. Packet characteristics.

organizational culture in network management: 1.3.2.1. Professionalism

Organizationally Unique Identifier (OUI): 2.1.6. arp

OS fingerprinting (see stack fingerprinting)

OSPF (Open Shortest Path First): 5.4.2.4.2. Protocol and port filtering.

9.1.1.2. nemesis
10.1.5. Routing

ospf_monitor tool: 10.1.5. Routing

OUI (Organizationally Unique Identifier): 2.1.6. arp

out-of-order packets: 5.5.3. tcpflow

outcomes of performance measurement: 12.2.2.1. General steps

output

hping output: 9.1.1.1. hping

plotting with xplot: 5.5.7. tcptrace

SNMP formatted output: 7.2.1.2. Configuration and options

SNMP redirected output: 7.2.1.8. Agents and traps

SNMP tables: 7.2.1.3. snmpgetnext, snmpwalk, and snmptable

tcpdump files: 5.4.1. Using tcpdump

5.5.5. tcpshow

overengineering networks: 1.3.2.3. Legal and ethical considerations

12.2.2.2. Bottleneck analysis

overloaded networks: 3.1.3.1. Link lights

oversized packets: 3.3.3.3. Ping of Death

owners of processes, listing: 2.1.4. lsof

OÕReilly Book Support email address: 0.1. Audience

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