Chapter11. Logging
Therows show the date and time, type of protocol, from interface, computer and port, to interface, computer and
port,ICMP type for ICMP traffic, flags, whether the packet was accepted, rejected or discarded, and the reason for
this.For TCP traffic, and for UDP traffic which is session managed, only the connection packet is displayed. SIP
mediastreams are not logged.
TheTelecommuting Module’s own IP address is displayed in the log with a purple background color. Rejected and
discardedpackets are displayed with a yellowish background.
Thefollowing flags are used:
S SYN Requestfor connection
A ACK Responseto a previous packet
U Urgent Containsout-of-band data
P Push Packets that must be deliveredquickly
F FIN Disconnectrequest
R RST Reset - response to incorrect packet
Formore information on flags, see RFC 793.
Whenthe clock is reset, the log shows this on a separate line like this:
Ifthe Telecommuting Module is restarted, the log shows this on a line like this:
Display Load
DisplayLoad shows statistics on the traffic load to and from the Telecommuting Module’s interfaces.
102