api

Interface layer messages

conns

Detailed description of connections, and connection's limit-related messages

cpconntim

Information about internal timers

error

General errors

events

Event-related messages

ftp

Messages of the FTP example server

glue

Glue layer messages

http

Messages of the HTTP example server

icmp

Messages of the ICMP example server

notify

E-mail Messaging Security application

pkts

Packets handling messages (allocation, splitting, resizing, and so on)

skinny

Processing of Skinny Client Control Protocol (SCCP) connections

sync

Synchronization operations in cluster

Also see the debug flag 'sync' in the debug module 'fw'

tcp

TCP processing messages

tcpinfo

TCP processing messages - more detailed description

timer

Reports of internal timer ticks

Warning - Prints many messages, without real content

warning

General warnings