simplify AVP unhiding code

[l2tpns.git] / Docs / startup-config.5

diff --git a/Docs/startup-config.5 b/Docs/startup-config.5
index 0c13c8a..cf3a6ef 100644 (file)
--- a/Docs/startup-config.5
+++ b/Docs/startup-config.5
@@ -2,7 +2,7 @@
 .de Id
 .ds Dt \\$4 \\$5
 ..
-.Id $Id: startup-config.5,v 1.2 2004/11/27 05:19:54 bodea Exp $
+.Id $Id: startup-config.5,v 1.5 2005/02/09 00:16:21 bodea Exp $
 .TH STARTUP-CONFIG 5 "\*(Dt" L2TPNS "File Formats and Conventions"
 .SH NAME
 startup\-config \- configuration file for l2tpns
@@ -63,14 +63,6 @@ Whenever a PPP connection is established, DNS servers will be sent to the
 user, both a primary and a secondary.  If either is set to 0.0.0.0, then that
 one will not be sent.
 .TP
-.B save_state
-When
-.B l2tpns
-receives a STGTERM it will write out its current ip_address_pool,
-session and tunnel tables to disk prior to exiting to be re-loaded at
-startup.  The validity of this data is obviously quite short and the
-intent is to allow an sessions to be retained over a software upgrade.
-.TP
 .BR primary_radius , " secondary_radius"
 Sets the RADIUS servers used for both authentication and accounting. 
 If the primary server does not respond, then the secondary RADIUS
@@ -160,6 +152,12 @@ process in memory.
 .B icmp_rate
 Maximum number of host unreachable ICMP packets to send per second.
 .TP
+.B packet_limit
+Maximum number of packets of downstream traffic to be handled each
+tenth of a second per session.  If zero, no limit is applied (default: 
+0).  Intended as a DoS prevention mechanism and not a general
+throttling control (packets are dropped, not queued).
+.TP
 .B cluster_address
 Multicast cluster address (default: 239.192.13.13).
 .TP
@@ -275,11 +273,8 @@ and
 .I dest
 are as described above for standard lists.
 .PP
-For
-.B tcp
-and
-.B udp
-matches, source and destination may be optionally followed by a
+For TCP and UDP matches, source and destination may be optionally
+followed by a
 .I ports
 specification:
 .IP
@@ -290,20 +285,33 @@ specification:
 range
 .I from to
 .PP
-.B tcp
-matches may also specify
 .I flags
-to match against tcp header flags:
-.IP
+may be one of:
+.RS
+.HP
 .RB { match\-any | match\-all }
 .RB { + | - }{ fin | syn | rst | psh | ack | urg }
 \&...
 .br
+Match packets with any or all of the tcp flags set
+.RB ( + )
+or clear
+.RB ( - ).
+.HP
 .B established
-.PP
-.RB ' established '
-is shorthand for
-.RB ' "match-any +ack +rst -syn" '.
+.br
+Match "established" TCP connections:  packets with
+.B RST
+or
+.B ACK
+set, and
+.B SYN
+clear.
+.HP
+.B fragments
+.br
+Match IP fragments.  May not be specified on rules with layer 4
+matches.
 .RE
 .SH SEE ALSO
 .BR l2tpns (8)