Index

A

• access control list (ACL) / HAProxy – a brief overview, Squid
• Address Resolution Protocol (ARP) / Nmap, ping
• Advanced Encryption Standard (AES) / AES-NI
• Advanced RISC Machines (ARM) / pfSense project overview
• AES-GCM / pfSense project overview
• AES-NI / AES-NI
• aliases
  • about / Aliases
  • creating / Aliases
  • creating, from DNS lookup / Creating aliases from a DNS lookup
  • bulk import / Bulk import
• Authentication Headers (AH) / IPsec
• automatic interface assignment / Configuration from the console
• automatic IP assignment / DHCP configuration at the console
• autonomous system (AS) / Quagga OSPF

B

• backup designated router (BDR) / Quagga OSPF
• black hole / Black holes
• Border Gateway Protocol (BGP) / Possible deployment scenarios, Routing
• bridging
  • about / Bridging, Bridging
  • advantages / Bridging
  • limitations / Bridging
  • spanning tree, implementing / Bridging
  • interfaces / Bridging interfaces
  • issues / Special issues
  • with CARP / Special issues
  • example / Bridging example
  • troubleshooting / Troubleshooting
• bufferbloat / Changes to queues

C

• C-Ports (community) / Example 2 – IoT network
• captive portal
  • about / Captive portal
  • implementing / Implementing captive portal
  • user manager authentication / User manager authentication
  • voucher authentication / Voucher authentication
  • RADIUS authentication / RADIUS authentication
  • other settings / Other settings
  • troubleshooting / Troubleshooting captive portal
• Certificate Authority (CA) / IPsec peer/server configuration, Squid
• Certificate Revocation List (CRL) / IPsec mobile client configuration
• Challenge Handshake Authentication Protocol (CHAP) / RADIUS authentication, L2TP
• Cisco Discovery Protocol (CDP) / Troubleshooting, Important packages
• Cisco switch
  • about / VLAN configuration example 2 – Cisco switches
  • static VLAN creation / Static VLAN creation
  • Dynamic Trunking Protocol (DTP) / Dynamic Trunking Protocol
  • VLAN Trunking Protocol / VLAN Trunking Protocol
• Cisco switches, command-line tools
  • showip route / Troubleshooting
  • showip interface brief / Troubleshooting
  • showcdp neighbors / Troubleshooting
• class-based queuing (CBQ) / Queuing policies, Class-based queuing, The Multiple LAN/WAN Configuration wizard
• Classless Inter-Domain Routing (CIDR) / NAT essentials
• client-side load balancing / Basic concepts
• Code Red worm / Firewall fundamentals
• Common Address Redundancy Protocol (CARP)
  • about / DHCP configuration in the web GUI, Creating and editing firewall rules, Basic concepts
  • configuration / CARP configuration
  • with two firewalls, example / Example 1 – CARP with two firewalls
  • with N firewalls, example / Example 2 – CARP with N firewalls
  • with load balancing, example / An example of both load balancing and CARP
  • troubleshooting / Troubleshooting
  • with multi-WAN, example / Example – multi-WAN and CARP
  • bridged interfaces, using / Special issues
• Common Name (CN) / Other settings
• Coordinated Universal Time (CUT) / NTP
• cross-site request forgery (CSRF) / General setup options

D

• dashboard / Dashboard
• DCC (Direct Client-to-Client) / Example 1 – setting up DCC
• DDNS
  • about / DDNS
  • updating / DDNS updating
  • RFC 2136, updating / RFC 2136 updating
  • troubleshooting / Troubleshooting DDNS
• Dedicated Links wizard / The Dedicated Links wizard
• deep packet Inspection (DPI) / Layer 7 traffic shaping
• delegated prefixes / DHCP and DHCPv6 leases
• demilitarized zone (DMZ) / Possible deployment scenarios
• designated port (DP) / Bridging
• designated router (DR) / Quagga OSPF
• distance-vector routing protocols / Routing
• DMZ network / An example of both load balancing and CARP
• DNS
  • about / DNS
  • DNS resolver / DNS resolver
  • DNS forwarder / DNS forwarder
  • firewall rules / DNS firewall rules
  • considerations, for multi-WAN / DNS considerations
• DNS lookup
  • aliases, creating / Creating aliases from a DNS lookup
• DNS resolver
  • general settings / General Settings
  • DNSSEC support, enabling / Enable DNSSEC support
  • Host Overrides / Host Overrides and Domain Overrides
  • Domain Overrides / Host Overrides and Domain Overrides
  • access lists / Access Lists
• Don't Fragment (DF) flag / Black holes
• Don't Route or Peer (DROP) / Best practices for egress filtering
• double tagging / Hardware, configuration, and security considerations
• dummynet / Limiters
• Dynamic Host Configuration Protocol (DHCP)
  • about / Possible deployment scenarios, DHCP
  • configuration, at console / DHCP configuration at the console
  • configuration, in web GUI / DHCP configuration in the web GUI
  • DHCPv6 configuration, in web GUI / DHCPv6 configuration in the web GUI
  • and DHCPv6 relay / DHCP and DHCPv6 relay
  • and DHCPv6 leases / DHCP and DHCPv6 leases
• Dynamic NAT / NAT essentials
• dynamic routing
  • about / Routing, Dynamic routing
  • third-party packages / Dynamic routing
  • RIP / RIP
  • OpenBGPD / OpenBGPD
  • Quagga OSPF / Quagga OSPF
  • FRRouting (FRR) / FRRouting
• dynamic routing, protocols
  • Routing Information Protocol (RIP) / Routing
  • Open Shortest Path First (OSPF) / Routing
  • Interior Gateway Routing Protocol (IGRP) / Routing
  • Enhanced Interior Gateway Routing Protocol (EIGRP) / Routing
  • Border Gateway Protocol (BGP) / Routing
• Dynamic Trunking Protocol (DTP) / Dynamic Trunking Protocol

E

• egress filtering
  • best practices / Best practices for egress filtering
• Emerging Threats (ET) / Snort
• Encapsulating Security Payload (ESP) / IPsec
• Enhanced Interior Gateway Routing Protocol (EIGRP) / Routing
• Extended Authentication (Xauth) / IPsec mobile client configuration
• Extensible Authentication Protocol (EAP)
  • about / IPsec mobile client configuration, RADIUS issues
  • EAP Transport Layer Security (EAP-TLS) / RADIUS issues
  • Protected Extensible Authentication Protocol (PEAP) / RADIUS issues
  • EAP Tunneled Transport Layer Security (EAP-TTLS) / RADIUS issues
  • EAP Flexible Authentication via Secure Tunneling (EAP-FAST) / RADIUS issues
• Extensible Markup Language – Remote Procedure Call (XML-RPC) / Basic concepts
• Extreme Discovery Protocol (EDP) / Important packages

F

• Far end crosstalk (FEXT) / Physical issues
• firewall
  • technical requisites / Technical requirements
  • example network / An example network
  • fundamentals / Firewall fundamentals
  • best practices / Firewall best practices
  • ingress filtering, best practices / Best practices for ingress filtering
  • egress filtering, best practices / Best practices for egress filtering
• firewall rules
  • creating / Creating and editing firewall rules
  • editing / Creating and editing firewall rules
  • Pass rule / Creating and editing firewall rules
  • Block rule / Creating and editing firewall rules
  • Reject rule / Creating and editing firewall rules
  • floating firewall rules, creating / Floating rules
  • example / Example rules
  • website, blocking / Example 1 – block a website
  • traffic, blocking from other networks / Example 2 – block all traffic from other networks
  • default allow rule, implementing / Example 3 – the default allow rule
  • troubleshooting / Troubleshooting firewall rules
• firewall states
  • viewing / Firewall states
  • States / States
  • States Summary / States summary
  • pfTop / pfTop
• first come, first served (FCFS) / Queuing policies
• Foundry Discovery Protocol (FDP) / Important packages
• FRRouting (FRR) / FRRouting, FRRouting
• fully qualified domain name (FQDN) / General setup options, Aliases, Traffic graphs

G

• gateway load balancing / Basic concepts
• Global Positioning System (GPS) / NTP
• gwled / Third-party packages

H

• hardware requisites / Hardware requirements and sizing guidelines, Minimum hardware requirements
• hardware sizing guidelines / Hardware requirements and sizing guidelines, Hardware sizing guidelines
• Hash Algorithm / IPsec peer/server configuration
• Hierarchical Fair Service Curve (HFSC) / Queuing policies, Hierarchical Fair Service Curve, The Multiple LAN/WAN Configuration wizard
• High Availability Proxy (HAProxy)
  • overview / HAProxy – a brief overview
  • about / HAProxy – a brief overview, HAProxy
  • web server, load balancing / Example – load balancing a web server
• hop / Routing

I

• Identity Association (IA) / DHCP and DHCPv6 leases
• ingress filtering
  • best practices / Best practices for ingress filtering
  • network ingress filtering / Best practices for ingress filtering
  • for multihomed networks / Best practices for ingress filtering
• interfaces
  • bridging / Bridging interfaces
  • about / Interfaces
• Interior Gateway Routing Protocol (IGRP) / Routing
• Internet Control Message Protocol (ICMP) / ping
• Internet Engineering Task Force (IETF) / Best practices for ingress filtering
• Internet Key Exchange (IKE) / IPsec
• Internet Relay Chat (IRC) / Example 1 – setting up DCC
• Internet Security and Key Management Protocol (ISAKMP) / IPsec
• IPsec
  • about / IPsec, IPsec 
  • configuration / IPsec peer/server configuration
  • mobile client configuration / IPsec mobile client configuration
  • site-to-site IPsec configuration / Example 1 – Site-to-site IPsec configuration
  • tunnel, using for remote access / Example 2 – IPsec tunnel for remote access
• IPsec connection mode
  • transport mode / IPsec
  • tunnel mode / IPsec

K

• Kerberized Internet Negotiation of Keys (KINK) / IPsec

L

• L2TP Access Concentrator (LAC) / L2TP
• L2TP Network Server (LNS) / L2TP
• LAN IP address / Configuration from the web GUI
• Layer 2 Tunneling Protocol (L2TP) / Configuration from the web GUI, L2TP, L2TP
• layer 7 traffic shaping / Layer 7 traffic shaping
• limiters
  • about / Limiters
  • adding / Example 1 – adding limiters
• link-state routing protocols / Routing
• link aggregation / Link aggregation
• Link Layer Discovery Protocol (LLDP) / Important packages
• load balancing
  • about / Basic concepts
  • server load balancing / Basic concepts
  • gateway load balancing / Basic concepts
  • with CARP, example / An example of both load balancing and CARP
  • troubleshooting / Troubleshooting

M

• managed address configuration / DHCPv6 configuration in the web GUI
• management information bases (MIBs) / SNMP
• maximum segment size (MSS) / Black holes
• maximum transmission unit (MTU) / Hardware sizing guidelines, Hardware, configuration, and security considerations, Black holes
• MD5 / IPsec peer/server configuration
• Media Gateway Control Protocol (MGCP) / The Multiple LAN/WAN Configuration wizard
• metropolitan area networks (MANs) / Physical issues
• Microsoft Management Console (MMC) / Choosing a VPN protocol
• modes, Snort
  • packet sniffing mode / Snort
  • packet logging mode / Snort
  • network intrusion prevention mode / Snort
• monitoring / Monitoring
• MS-CHAPv2 / L2TP
• multi-WAN
  • technical requisites / Technical requirements
  • basic concepts / Basic concepts
  • Service Level Agreement (SLA) / Service Level Agreement 
  • configuring / Multi-WAN configuration
  • DNS configuration / Multi-WAN configuration
  • gateway, setting up / Multi-WAN configuration
  • gateway group, configuring / Multi-WAN configuration
  • failover groups, configuring / Multi-WAN configuration
  • floating rule, creating / Multi-WAN configuration
  • static route, setting up / Multi-WAN configuration
  • gateway group, verifying / Multi-WAN configuration
  • DNS, considerations / DNS considerations
  • Network Address Translation (NAT), considerations / NAT considerations
  • third-party packages / Third-party packages
  • with CARP, example / Example – multi-WAN and CARP
  • troubleshooting / Troubleshooting
• Multiple Lan/Wan Configuration wizard / The Multiple LAN/WAN Configuration wizard

N

• Near end crosstalk (NEXT) / Physical issues
• net neutrality / Traffic shaping essentials
• netstat / netstat
• netstat, options
  • -faddress_family / netstat
  • -p protocol / netstat
  • -r / netstat
  • -rs / netstat
  • -n / netstat
  • -W / netstat
• Network Address Translation (NAT)
  • essentials / NAT essentials
  • considerations, for multi-WAN / NAT considerations
• networking problems
  • about / Common networking problems
  • wrong subnet mask or gateway / Wrong subnet mask or gateway
  • wrong DNS configuration / Wrong DNS configuration
  • duplicate IP addresses / Duplicate IP addresses
  • network loops / Network loops
  • routing issues / Routing issues
  • port configuration / Port configuration
  • black holes / Black holes
  • physical issues / Physical issues
  • wireless issues / Wireless issues
  • RADIUS issues / RADIUS issues
• network interface card (NIC) / Possible deployment scenarios
• network management station (NMS) / SNMP
• network map (nmap) / Nmap
• Network Prefix Translation (NPt)
  • about / NAT essentials, Network Prefix Translation
  • IPv6 network, mapping / Example – mapping an IPv6 network
• Network Time Protocol (NTP) / Configuration from the web GUI, NTP
• non-broadcast (NMBA) networks / Quagga OSPF
• ntop / Hardware sizing guidelines
• ntopng / ntopng

O

• one-to-one NAT
  • about / 1:1 NAT
  • file server, mapping / Example – mapping a file server
  • troubleshooting / Troubleshooting 
• OpenBGPD / OpenBGPD
• Open Shortest Path First (OSPF) / Routing
• OpenVPN
  • about / OpenVPN, OpenVPN
  • AES-NI / AES-NI
  • URL / Choosing a VPN protocol
  • server configuration / OpenVPN server configuration
  • client configuration / OpenVPN client configuration
  • client-specific overrides / Client-specific overrides
  • server configuration, with wizard / Server configuration with the wizard
  • Client Export Utility / OpenVPN Client Export Utility
  • site-to-site OpenVPN configuration / Example – site-to-site OpenVPN configuration
• OpenVPN 2.4.x / pfSense project overview
• Organizationally Unique Identifier (OUI) / Configuration from the web GUI
• OSI model
  • physical layer / Troubleshooting basics
  • data link layer / Troubleshooting basics
  • network layer / Troubleshooting basics
  • transport layer / Troubleshooting basics
  • session layer / Troubleshooting basics
  • presentation layer / Troubleshooting basics
  • application layer / Troubleshooting basics
• Outbound NAT
  • about / NAT essentials, Outbound NAT
  • filtering, for single network / Example – filtering outbound NAT for a single network

P

• P-Ports (promiscuous) / Example 2 – IoT network
• Password Authentication Protocol (PAP) / RADIUS authentication, L2TP
• Path MTU Discovery (PMTUD) / IPsec mobile client configuration, Black holes
• Payment Card Industry Data Security Standard (PCI DSS) / Firewall best practices
• peer-to-peer (P2P) / The Multiple LAN/WAN Configuration wizard
• peer-to-peer traffic
  • penalizing / Example 2 – penalizing peer-to-peer traffic
• Penalty Box / The Multiple LAN/WAN Configuration wizard
• pfBlocker / Hardware sizing guidelines
• pfBlockerNG / pfBlockerNG
• pfSense
  • technical requisites / Technical requirements
  • overview / pfSense project overview
  • deployment scenarios / Possible deployment scenarios
  • URL / Minimum hardware requirements
  • configuration, best practices / The best practices for installation and configuration
  • installation, best practices / The best practices for installation and configuration
  • configuration / pfSense configuration
  • configuration, from console / Configuration from the console
  • configuration, from web GUI / Configuration from the web GUI
  • additional interfaces, configuring / Configuring additional interfaces
  • additional WAN configuration / Additional WAN configuration
  • setting up / General setup options
  • configuration, verifying / Verifying pfSense configuration
• pfSense forum
  • URL / Special issues
• pfSense packages
  • considerations / Basic considerations
  • installing / Installing packages
  • about / Important packages, Other packages
  • acme / Important packages
  • frr / Important packages
  • lldpd / Important packages
  • net-snmp / Important packages
  • telegraf / Important packages
  • tftpd / Important packages
  • Squid / Squid
  • pfBlockerNG / pfBlockerNG
  • ntopng / ntopng
  • nmap / Nmap
  • HAProxy / HAProxy
  • snort / Snort
  • FRRouting / FRRouting
  • Zabbix / Zabbix
• ping / Nmap, ping
• ping, options
  • -c count / ping
  • -D / ping
  • -f / ping
  • -i wait / ping
  • -mttl / ping
  • -S source_addr / ping
  • -s packetsize / ping
  • -t timeout / ping
  • -v / ping
• Point-to-Point Protocol over Ethernet (PPPoE) / Configuration from the web GUI, CARP configuration
• Point-to-Point Tunneling Protocol (PPTP) / pfSense project overview, Configuration from the web GUI, Choosing a VPN protocol
• policy-based routing / Service Level Agreement 
• port forwarding
  • about / Port forwarding
  • DCC, setting up / Example 1 – setting up DCC
  • port, excluding / Example 2 – excluding a port
  • personal web server, setting up / Example 3 – setting up a personal web server
• PPP (Point-to-Point Protocol) / Configuration from the web GUI
• PPS (packets per second) / Troubleshooting traffic shaping
• Prioritize network gaming traffic / The Multiple LAN/WAN Configuration wizard
• priority queuing (PRIQ) / Queuing policies, Priority queuing, The Multiple LAN/WAN Configuration wizard
• private VLANs (PVLANs) / Example 2 – IoT network
• Protected Access Credential (PAC) / RADIUS issues
• Pulse Per Second (PPS) / NTP
• PVID (Port VLAN ID) / VLAN configuration problem

Q

• QinQ / QinQ
• Quagga OSPF
  • installing / Quagga OSPF

R

• Radio frequency interference (RFI) / Physical issues
• Random Early Detection (RED) / Changes to queues
• Rapid Spanning Tree Protocol (RSTP) / Bridging interfaces, Network loops
• Real-Time Control Protocol (RTCP) / Policy-based routing
• Real-Time Transport Protocol (RTP) / Example 1 – modifying the penalty box, Policy-based routing
• relayd / Server load balancing
• Remote Authentication Dial-In User Service (RADIUS) / RADIUS authentication
• Remote Desktop Protocol (RDP) / VPN fundamentals
• reverse path forwarding (RPF) / Best practices for ingress filtering
• RFC 1918 / NAT essentials
• RFC 2136
  • updating / RFC 2136 updating
• RFC 7321
  • URL / IPsec
• RIP next generation (RIPng) / Routing
• root port (RP) / Bridging
• round-robin database (RRD) / NTP
• round-trip time (RTT) / Squid, ping
• Router Advertisements (RA) / DHCPv6 configuration in the web GUI
• routing
  • technical requisites / Technical requirements
  • about / Routing, Routing
  • static routing / Routing
  • dynamic routing / Routing, Dynamic routing
  • static routes / Static routes
  • public IP addresses, assigning to firewall / Public IP addresses behind a firewall
  • troubleshooting / Troubleshooting
• Routing and Addressing Group (ROAD) / NAT essentials
• Routing Information Protocol (RIP) / Routing, RIP
• routing protocols
  • distance-vector routing protocols / Routing
  • link-state routing protocols / Routing

S

• scheduling
  • about / Scheduling
  • example schedule entry / An example schedule entry
• Security Association (SA) / IPsec
• server load balancing
  • about / Basic concepts
  • advantages / Basic concepts
  • configuring / Server load balancing
  • example / Example – load balancer for a web server
  • High Availability Proxy (HAProxy) / HAProxy – a brief overview
• server load balancing, algorithm
  • random / Basic concepts
  • round-robin / Basic concepts
  • weighted round-robin / Basic concepts
  • least connection / Basic concepts
  • least traffic / Basic concepts
  • least latency / Basic concepts
  • IP hash / Basic concepts
  • URL hash / Basic concepts
  • SDN adaptive / Basic concepts
• Service Curve (sc) / Changes to queues
• Service Level Agreement (SLA) / Traffic shaping essentials, Service Level Agreement 
• services / Services
• service set identifier (SSID) / Wireless issues
• Session Initiation Protocol (SIP) / The Multiple LAN/WAN Configuration wizard
• Simple Network Management Protocol (SNMP) / SNMP, Important packages
• Single DES / pfSense project overview
• Sloppy / Creating and editing firewall rules
• Snort
  • about / Hardware sizing guidelines, Snort
  • using, for traffic shaping / Using Snort for traffic shaping
  • installing / Installing  and configuring Snort
  • configuring / Installing  and configuring Snort
  • modes / Snort
  • used, for blocking social media sites / Example – using Snort to block social media sites
• Software-Defined Networking (SDN) / Basic concepts
• Spanning Tree Protocol (STP) / Bridging, Bridging interfaces, Network loops
• Squid
  • about / Hardware sizing guidelines, Squid
  • disadvantages / Issues with Squid
  • reverse proxy server / Squid reverse proxy server
• SSH login / SSH login
• Start of Authority (SOA) / General Settings
• stateful packet inspection / Firewall fundamentals
• stateless address autoconfiguration (SLAAC) / DHCPv6 configuration in the web GUI
• static routes / Static routes
• static routing / Routing
• stripe / The best practices for installation and configuration
• subnet mask / Configuration from the web GUI
• switch
  • configuration / Configuration at the switch
  • TL-SG108E / VLAN configuration example 1 – TL-SG108E
  • Cisco switch / VLAN configuration example 2 – Cisco switches
• switch spoofing / Hardware, configuration, and security considerations
• SYN / Nmap
• SYN ACK packet / Creating and editing firewall rules
• SYN flood attacks / Creating and editing firewall rules
• system logs
  • accessing / System logs

T

• TCP connect() / Nmap
• tcpdump / tcpdump
• tcpflow / tcpflow
• tcpflow, options
  • -bmax_bytes / tcpflow
  • -c / tcpflow
  • -ddebug_level / tcpflow
  • -iiface / tcpflow
  • -p / tcpflow
  • -r file / tcpflow
  • -s / tcpflow
  • -v / tcpflow
• Temporal Key Integrity Protocol (TKIP) / Wireless issues
• TFTP (Trivial File Transfer Protocol) / Important packages
• time to live (TTL) / ping
• TL-SG108E / VLAN configuration example 1 – TL-SG108E
• traceroute / traceroute
• traceroute, options
  • -e / traceroute
  • -ffirst_ttl / traceroute
  • -F / traceroute
  • -d / traceroute
  • -I / traceroute
  • -M first_ttl / traceroute
  • -P proto / traceroute
  • -ssrc_addr / traceroute
  • -S / traceroute
  • -v / traceroute
  • -w / traceroute
• Traditional NAT / NAT essentials
• traffic conditioning agreement (TCA) / Traffic shaping essentials
• traffic graphs / Traffic graphs
• traffic shaping
  • essentials / Traffic shaping essentials
  • policies, queuing / Queuing policies
  • priority queuing (PRIQ) / Priority queuing
  • class-based queuing / Class-based queuing
  • Hierarchical Fair Service Curve (HFSC) / Hierarchical Fair Service Curve
  • configuring / Configuring traffic shaping in pfSense
  • Multiple LAN/WAN Configuration wizard / The Multiple LAN/WAN Configuration wizard
  • Dedicated Links wizard / The Dedicated Links wizard
  • advanced configuration / Advanced traffic shaping configuration
  • queues, modifying / Changes to queues
  • limiters / Limiters
  • layer 7 traffic shaping / Layer 7 traffic shaping
  • rules, adding / Adding and changing traffic shaping rules
  • rules, modifying / Adding and changing traffic shaping rules
  • penalty box, modifying / Example 1 – modifying the penalty box
  • EchoLink, prioritizing / Example 2 – prioritizing EchoLink
  • examples / Traffic shaping examples
  • limiters, adding / Example 1 – adding limiters
  • peer-to-peer traffic, penalizing / Example 2 – penalizing peer-to-peer traffic
  • Snort, using / Using Snort for traffic shaping
  • troubleshooting / Troubleshooting traffic shaping
• Transaction Signature (TSIG) / RFC 2136 updating
• Transport Control Protocol (TCP) / DHCP configuration in the web GUI
• troubleshooting
  • about / Troubleshooting basics
  • common networking problems / Common networking problems
  • real-world scenario / Troubleshooting scenarios
  • VLAN configuration problem / VLAN configuration problem
• troubleshooting tools
  • about / pfSense troubleshooting tools
  • system logs / System logs
  • dashboard / Dashboard
  • interfaces / Interfaces
  • services / Services
  • monitoring / Monitoring
  • traffic graphs / Traffic graphs
  • firewall states, viewing / Firewall states
  • tcpdump / tcpdump
  • tcpflow / tcpflow
  • traceroute / ping, traceroute and netstat
  • netstat / ping, traceroute and netstat
  • ping / ping, traceroute and netstat
• Tunnelblick
  • URL / Choosing a VPN protocol

U

• Unified Extensible Firmware Interface (UEFI) / pfSense project overview, The best practices for installation and configuration
• unshielded twisted pair (UTP) / Physical issues
• User Datagram Protocol (UDP) / DHCP configuration in the web GUI, Nmap

V

• Virtual Host ID group (VHID) / Virtual IPs
• Virtual IPs (VIPs)
  • about / Virtual IPs
  • creating / Virtual IPs
• virtual private networks (VPNs)
  • fundamentals / VPN fundamentals
  • IPSec / IPsec
  • OpenVPN / OpenVPN
  • protocol, selecting / Choosing a VPN protocol
  • troubleshooting / Troubleshooting
• Virtual Router Redundancy Protocol (VRRP) / Virtual IPs
• VLAN
  • concepts / Basic VLAN concepts
  • developers and engineering / Example 1 – developers and engineering
  • IoT network / Example 2 – IoT network
  • hardware / Hardware, configuration, and security considerations
  • configuration / Hardware, configuration, and security considerations
  • security considerations / Hardware, configuration, and security considerations
  • configuration, at console / VLAN configuration at the console
  • configuration, in web GUI / VLAN configuration in the web GUI
  • QinQ / QinQ
  • link aggregation / Link aggregation
  • firewall rules, adding / Add firewall rules for VLANs
  • troubleshooting / Troubleshooting VLANs
  • troubleshooting tips / General troubleshooting tips
  • switch configuration, verifying / Verifying switch configuration
  • pfSense configuration, verifying / Verifying pfSense configuration
• VLAN configuration problem
  • troubleshooting / VLAN configuration problem
• VLAN Trunking Protocol (VTP) / VLAN Trunking Protocol
• VNC (Virtual Network Computing) / The Multiple LAN/WAN Configuration wizard
• VPN tunnel
  • configuring / Configuring a VPN tunnel
  • IPsec / IPsec 
  • IPsec, configuration / IPsec peer/server configuration
  • L2TP / L2TP
  • OpenVPN / OpenVPN
• VTP pruning / VLAN Trunking Protocol

W

• weighted fair queuing (WFQ) / Queuing policies
• Wi-Fi Protected Access (WPA) / Wireless issues
• Windows Firewall with Advanced Security (WFwAS) / Choosing a VPN protocol
• Wired Equivalent Privacy (WEP) / pfSense project overview, Wireless issues
• WPA2 / Wireless issues
• WPA3 / Wireless issues

Z

• Zabbix / Zabbix