depending on the context of the log message.
Abbreviations
The following abbreviations are used throughout this reference guide:
Abbreviation Full name
ALG Application Layer Gateway
ARP Address Resolution Protocol
DHCP Dynamic Host Configuration Protocol
DNS Domain Name System
ESP Encapsulating Security Payload
FTP File Transfer Protocol
HA High Availability
HTTP Hyper Text Transfer Protocol
ICMP Internet Control Message Protocol
IDS Intrusion Detection System
IP Internet Protocol
IPSec Internet Protocol Security
L2TP Layer 2 Tunneling Protocol
NAT Network Address Translation
OSPF Open Shortest Path First
PPP Point to Point Protocol
PPPoE Point to Point Protocol over Ethernet
RADIUS Remote Authentication Dial In User Service
SAT Static Address Translation
SMTP Simple Mail Transfer Protocol
SNMP Simple Network Management Protocol
SSL Secure Socket Layer
TCP Transport Control Protocol
TLS Transport Layer Security
UDP User Datagram Protocol
URL Uniform Resource Locator
UTF Unicode Transformation Format
VLAN Virtual Local Area Network
VPN Virtual Private Network
Table 1. Abbreviations
Preface
35