Tiesse Imola LX 5200 User Manual

Firewall functions: IPTABLES
USER GUIDE
184
is the timeout associated with CLOSE state, as defined by RFC 793.
Default value is 10 seconds.
 tcp_timeout_close_wait
is the timeout associated with CLOSE-WAIT state.
Default value is 30 seconds.
 tcp_timeout_established
is the timeout associated with a TCP session active.
Default is 1800 seconds.
 tcp_timeout_fin_wait
is the timeout associated with both FIN-WAIT-1 and FIN-WAIT-2 state.
Default value is 120 seconds.
 tcp_timeout_last_ack
Represents the time-out bound to LAST-ACK State.
Default value is 30 seconds.
 tcp_timeout_syn_sent
Represents the time-out bound to the SYN-SENT state.
Default value is 120 seconds.
 tcp_timeout_recv_sent
Represents the time-out associated with SYN-RECEIVED State..
The default value is 120 seconds.
UDP connections
UDP connections are commonly state-less. This occurs for several reasons: mainly because UDP
connections do not establish a connection and because they do not follow a specific order. The
reception of two UDP datagrams in a certain order, does not necessarily mean that they were sent in
the same order.
From the point of view of the connection tracking, the connection is established in the same
manner as for TCP; however the internal sequence is different. When the first UDP packet is sent,
the entry in the conntrack table becomes:

Tiesse Imola LX 5200 Specifications

General

Brand	Tiesse
Model	Imola LX 5200
Category	Network Router
Language	English