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--- ./doc/knockd.1.in.orig 2005-06-29 20:45:17.000000000 +0200
+++ ./doc/knockd.1.in 2011-08-17 13:29:55.000000000 +0200
@@ -60,13 +60,13 @@
sequence = 7000,8000,9000
seq_timeout = 10
tcpflags = syn
- command = /usr/sbin/iptables -A INPUT -s %IP% -j ACCEPT
+ command = /usr/sbin/iptables -A INPUT -s %IP% --dport 22 -j ACCEPT
[closeSSH]
sequence = 9000,8000,7000
seq_timeout = 10
tcpflags = syn
- command = /usr/sbin/iptables -D INPUT -s %IP% -j ACCEPT
+ command = /usr/sbin/iptables -D INPUT -s %IP% --dport 22 -j ACCEPT
.fi
.RE
@@ -115,7 +115,7 @@
start_command = /usr/sbin/iptables -A INPUT -s %IP% -p tcp --dport 25 -j ACCEPT
cmd_timeout = 5
stop_command = /usr/sbin/iptables -D INPUT -s %IP% -p tcp --dport 25 -j ACCEPT
-
+
.fi
.RE
.SH CONFIGURATION: GLOBAL DIRECTIVES
@@ -132,7 +132,7 @@
.TP
.B "Interface = <interface_name>"
Network interface to listen on. Only its name has to be given, not the path to
-the device (eg, "eth0" and not "/dev/eth0"). Default: eth0.
+the device (eg, "fxp0" and not "/dev/fxp0"). Default: fxp0.
.SH CONFIGURATION: KNOCK/EVENT DIRECTIVES
.TP
.B "Sequence = <port1>[:<tcp|udp>][,<port2>[:<tcp|udp>] ...]"
@@ -158,7 +158,7 @@
\fBNote\fP: Do not edit the file while knockd is running!
.TP
.B "Seq_Timeout = <timeout>"
-Time to wait for a sequence to complete in seconds. If the time elapses
+Time to wait (in seconds) for a sequence to complete in seconds. If the time elapses
before the knock is complete, it is discarded.
.TP
.B "TCPFlags = fin|syn|rst|psh|ack|urg"
@@ -183,10 +183,10 @@
directive is optional, only required if \fBStop_Command\fP is used.
.TP
.B "Stop_Command = <command>"
-Specify the command to be executed when \fBCmd_Timeout\fP seconds have passed
+Specify the command to be executed when \fBCmd_Timeout\fP seconds have passed
since \fBStart_Command\fP has been executed. All instances of \fB%IP%\fP will
be replaced with the knocker's IP address. This directive is optional.
-.SH SECURITY NOTES
+.SH SECURITY NOTES
Using the \fB-l\fP or \fB--lookup\fP commandline option to resolve DNS names
for log entries may be a security risk! An attacker may find out the first port
of a sequence if he can monitor the DNS traffic of the host running knockd.
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