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Index: V

V command (sendmail): 10.5.1. The Version Level Command (TCP/IP Network Administration)

V.35 connectors: 1.2. A Data Communications Model (TCP/IP Network Administration)

validating firewalls: 8.8.8. It Should Have Good Testing and Validation Capabilities (Building Internet Firewalls)

Van Dyke Technologies, SecureFX: 11.2. FTP Forwarding (SSH, The Secure Shell)

Van Dyke Technologies, SecureCRT: 15. SecureCRT (Windows) (SSH, The Secure Shell)

vandals: 1.2.2.2. Vandals (Building Internet Firewalls)

varbinds (see variable bindings)

variable bindings: 2.6.1. The get Operation (Essential SNMP)

displaying in trap output: 10.2.7. Monitoring Traps with Perl (Essential SNMP)

in enterprise-specific traps: 10.1. Understanding Traps (Essential SNMP)

formulas for get-bulk requests: 2.6.3. The get-bulk Operation (Essential SNMP)

in traps: 2.6.6. SNMP Traps (Essential SNMP)

10.3. Sending Traps (Essential SNMP)
10.3.1. Sending Traps with OpenView (Essential SNMP)
10.3.2. Sending Traps with Perl (Essential SNMP)

variable substitutions, automounter maps: 9.4.2. Variable substitutions (Managing NFS and NIS)

variables

built-in (automounter): 9.4.2.1. Builtin variables (Managing NFS and NIS)

environment, in OpenView: 6.1. HP's OpenView Network Node Manager (Essential SNMP)

B.3. Profiles for Different Users (Essential SNMP)

environment, LOCALDOMAIN: 8.2.1. The Resolver Configuration File (TCP/IP Network Administration)

error messages: 2.6.5. get, get-next, get-bulk, and set Error Responses (Essential SNMP)

LogFormat directive (Apache): 11.3.8.1. Defining the log file format (TCP/IP Network Administration)

managed variable sets: 4.5. A Look Ahead (Essential SNMP)

monitoring with tkined: 7.2.3.4. Monitoring SNMP objects (Network Troubleshooting Tools)

SNMP objects as: 7.1. Overview of SNMP (Network Troubleshooting Tools)

vendor definitions in MIBs: 1.4. The Structure of Management Information and MIBS (Essential SNMP)

/var/nfs directory, log files: 14.6.3. NFS server logging configuration (Managing NFS and NIS)

/var/run/named.pic (see named.pid file)

/var/run/ndc socket: 7.1.1. ndc and controls (BIND 8) (DNS and Bind)

/var/yp/Makefile: 3.3. Files managed under NIS (Managing NFS and NIS)

v3asloopokay parameter (gated): B.8.4. The bgp Statement (TCP/IP Network Administration)

VBScript: 15.4.2. VBScript (Building Internet Firewalls)

extension systems: 2.2.1. Web Client Security Issues (Building Internet Firewalls)

vc option (nslookup): 12.3. Option Settings (DNS and Bind)

vendors

adapter configuration software: 3.2. Testing Adapters (Network Troubleshooting Tools)

default community strings: 2.2. SNMP Communities (Essential SNMP)

4.2. Is My Device SNMP-Compatible? (Essential SNMP)

diagnostic tools: B.1. Sources of Information (Network Troubleshooting Tools)

documentation: B.1. Sources of Information (Network Troubleshooting Tools)

enterprise number assignments: 2.3.1. Naming OIDs (Essential SNMP)

host vendor information: 8.3.1.2. Web mode (Network Troubleshooting Tools)

information in arpwatch tool: 6.2.3. arpwatch (Network Troubleshooting Tools)

security information mailing lists: 12.1.2.2. Use the network to distribute information (TCP/IP Network Administration)

vendor-specific applications: 5.3. Element Managers (Vendor-Specific Management) (Essential SNMP)

vendor-specific MIBs: 1.4. The Structure of Management Information and MIBS (Essential SNMP)

2.3.2. Defining OIDs (Essential SNMP)
loading into OpenView: 6.1.6. Loading MIBs into OpenView (Essential SNMP)

web sites: B.1. Sources of Information (Network Troubleshooting Tools)

VERB command (ESMTP): 3.4.4. Multipurpose Internet Mail Extensions (TCP/IP Network Administration)

verbose mode: 5.8.2.4. SSH2 verbose mode (SSH, The Secure Shell)

debugging connections: 7.4.15. Logging and Debugging (SSH, The Secure Shell)

12.1.1. Client Debugging (SSH, The Secure Shell)

verbose output

arping tool: 3.3.4.3. arping (Network Troubleshooting Tools)

bing: 4.2.2.3. bing (Network Troubleshooting Tools)

echoping: 3.3.4.2. echoping (Network Troubleshooting Tools)

hping tool: 9.1.1.1. hping (Network Troubleshooting Tools)

nemesis tool: 9.1.1.2. nemesis (Network Troubleshooting Tools)

pathchar: 4.2.2.2. pathchar (Network Troubleshooting Tools)

ping tools: 3.3.2.3. Options (Network Troubleshooting Tools)

3.3.2.3. Options (Network Troubleshooting Tools)

ps command: 2.1.1. ps (Network Troubleshooting Tools)

SNMP: 7.2.1.8. Agents and traps (Network Troubleshooting Tools)

tcpdump tool: 5.4.2.3. Controlling what's displayed (Network Troubleshooting Tools)

traceroute tool: 4.1.1. Options (Network Troubleshooting Tools)

VerboseMode: 5.8.2.4. SSH2 verbose mode (SSH, The Secure Shell)

7.4.15. Logging and Debugging (SSH, The Secure Shell)

verifying results in troubleshooting: 12.1. Generic Troubleshooting (Network Troubleshooting Tools)

Veritas NerveCenter: 5.2. NMS Suites (Essential SNMP)

Veritas Volume Manager: 12.4. Veritas Disk Check (Essential SNMP)

vers= option (vfstab file): 9.1.3.2. The vfstab and fstab files (TCP/IP Network Administration)

version-control systems: 4.5.2. Concurrent Version System (CVS) (SSH, The Secure Shell)

version level command (sendmail): 10.5.1. The Version Level Command (TCP/IP Network Administration)

version numbers

portmapper: 13.3.1.3. RPC version numbers (Managing NFS and NIS)
RPC: 13.3.1.3. RPC version numbers (Managing NFS and NIS)
RPC flavors: 13.3.1.1. Identifying RPC services (Managing NFS and NIS)
sendmail configuration file modifications: 10.7.1. Modifying Local Information (TCP/IP Network Administration)

version option (named): C.2.5. The options Statement (TCP/IP Network Administration)

version parameter (gated): B.8.4. The bgp Statement (TCP/IP Network Administration)

VERSIONID macro (sendmail): 10.4.1.1. Building a sendmail.cf with m4 macros (TCP/IP Network Administration)

E.3. m4 sendmail Macros (TCP/IP Network Administration)

versions

BIND (see BIND, versions of)
displaying for SNMP: 7.2.1.2. Configuration and options (Network Troubleshooting Tools)
distinguishing tools and documentation: 1.3.1. Documentation (Network Troubleshooting Tools)
software management: 6.1.1. Characteristics of Management Software (Network Troubleshooting Tools)

VFS: 7. Network File System Design and Operation (Managing NFS and NIS)

interface, filesystem integration: 7.2.4. Preserving Unix filesystem semantics (Managing NFS and NIS)
operations: 7.1. Virtual filesystems and virtual nodes (Managing NFS and NIS)
virtual nodes and: 7.1. Virtual filesystems and virtual nodes (Managing NFS and NIS)

VFS_MOUNTROOT( ) VFS operation, diskless clients and: 8.1. NFS support for diskless clients (Managing NFS and NIS)

vfstab file

automounter and: 9. The Automounter (Managing NFS and NIS)
options: 9.1.3.2. The vfstab and fstab files (TCP/IP Network Administration)
replication and: 6.5. Replication (Managing NFS and NIS)

victim hosts: 10.2.2. Victim Machines (Building Internet Firewalls)

10.6. Selecting Services Provided by a Bastion Host (Building Internet Firewalls)

victims in Smurf attacks: 3.3.3.2. Smurf Attacks (Network Troubleshooting Tools)

video (MIME data content type): 3.4.4. Multipurpose Internet Mail Extensions (TCP/IP Network Administration)

view keyword (dbmmanage command): 11.4.4.2. Improved user authentication (TCP/IP Network Administration)

view only mode (vnc): 11.1.2. vnc (Network Troubleshooting Tools)

view statement: 10.6. Views (DNS and Bind)

viewers, external, on HTTP clients: 15.2.2. External Viewers (Building Internet Firewalls)

viewers in vnc: 11.1.2. vnc (Network Troubleshooting Tools)

views: 10.6. Views (DNS and Bind)

bastion host and: 11.3.5.4. Using views on the bastion host (DNS and Bind)
for running two name servers in one: 11.2.6. Two Name Servers in One (DNS and Bind)
in SNMPv3: F.2.1. Configuring SNMPv3 for a Cisco Router (Essential SNMP)

VINT (Virtual InterNetwork Testbed): 9.2.2. ns and nam (Network Troubleshooting Tools)

Virtual Circuits: 12.3. Option Settings (DNS and Bind)

15.2.5. The _res Structure (DNS and Bind)

Virtual File System (see VFS)

virtual filesystem

chmod( ) system call: 7.2. NFS protocol and implementation (Managing NFS and NIS)
read( ) system call: 7.2. NFS protocol and implementation (Managing NFS and NIS)
write( ) system call: 7.2. NFS protocol and implementation (Managing NFS and NIS)

virtual hosts (Apache): 11.3.11. Defining Virtual Hosts (TCP/IP Network Administration)

virtual interfaces, IP addresses and: 1.3.5. Virtual interfaces (Managing NFS and NIS)

virtual LANs: 5.4.2.3. Controlling what's displayed (Network Troubleshooting Tools)

5.7.2. Protecting Yourself (Network Troubleshooting Tools)
6.5. Mapping or Diagramming (Network Troubleshooting Tools)

Virtual Local Area Network (VLAN): 4.8.4. Packet Interception (Building Internet Firewalls)

virtual network computing (vnc): 11.1.2. vnc (Network Troubleshooting Tools)

virtual nodes

NFS: 7. Network File System Design and Operation (Managing NFS and NIS)
VFS: 7.1. Virtual filesystems and virtual nodes (Managing NFS and NIS)

virtual private network (VPN): 5.1. Some Firewall Definitions (Building Internet Firewalls)

5.5.3. Advantages of Virtual Private Networks (Building Internet Firewalls)
2.2. SNMP Communities (Essential SNMP)
7.2. Security Concerns (Essential SNMP)

virtuallink neighborid parameter (gated): B.8.1. The ospf Statement (TCP/IP Network Administration)

VIRTUSER_DOMAIN macro (sendmail): E.3. m4 sendmail Macros (TCP/IP Network Administration)

VIRTUSER_DOMAIN_FILE macro (sendmail): E.3. m4 sendmail Macros (TCP/IP Network Administration)

virtusertable (sendmail database feature): E.3.2. FEATURE (TCP/IP Network Administration)

viruses: 1.5.2.4. A firewall can't fully protect against viruses (Building Internet Firewalls)

12.6. Viruses (Managing NFS and NIS)
on Windows NT: 12.4.1.2. Other ways to start programs under Windows NT (Building Internet Firewalls)
email: 16.1.2.2. Viruses and other hostilities (Building Internet Firewalls)

visibility of namespace: 11.3.5. A Split Namespace (DNS and Bind)

Visio: 6.7.2. Other Tools for Windows (Network Troubleshooting Tools)

Visual Basic (see VBScript)

VLAN (Virtual Local Area Network): 4.8.4. Packet Interception (Building Internet Firewalls)

5.4.2.3. Controlling what's displayed (Network Troubleshooting Tools)
5.7.2. Protecting Yourself (Network Troubleshooting Tools)
6.5. Mapping or Diagramming (Network Troubleshooting Tools)

VLSM (variable-length subnet masks): 4.2.3. Defining the Subnet Mask (TCP/IP Network Administration)

VM system, swap files and: 8.1. NFS support for diskless clients (Managing NFS and NIS)

vmstat utility: B.1. Using External Data (Essential SNMP)

CPU usage: 16.5.1. CPU loading (Managing NFS and NIS)
interrupts and: 16.5.1. CPU loading (Managing NFS and NIS)

vnc remote control tool: 7.4.3. Other Options (Network Troubleshooting Tools)

11.1.2. vnc (Network Troubleshooting Tools)
11.5. Microsoft Windows (Network Troubleshooting Tools)
A.4. Sources for Tools (Network Troubleshooting Tools)

VNC (Virtual Network Computing): 9.3. X Forwarding (SSH, The Secure Shell)

vnode

consistency: 7.2.4. Preserving Unix filesystem semantics (Managing NFS and NIS)
operations: 7.1. Virtual filesystems and virtual nodes (Managing NFS and NIS)

voiceprint authentication: 21.1.1. Something You Are (Building Internet Firewalls)

VPNs (Virtual Private Networks): 9. Port Forwarding and X Forwarding (SSH, The Secure Shell)

2.2. SNMP Communities (Essential SNMP)
7.2. Security Concerns (Essential SNMP)

VRFY command (SMTP): 3.4.1. Simple Mail Transfer Protocol (TCP/IP Network Administration)

3.4.1. Simple Mail Transfer Protocol (TCP/IP Network Administration)

vrfy command (telnet): 10.1.1. Email (Network Troubleshooting Tools)

vxprint utility (Veritas): 12.4. Veritas Disk Check (Essential SNMP)

vxvm utility (Veritas): 12.4. Veritas Disk Check (Essential SNMP)

$=w class: 6.3.2. Electronic Mail (DNS and Bind)

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