HP-UX IPFilter Version 16 Administrator's Guide

Index
A
active rules list, 34
adding keep limit rules, 50
B
bidirectional filtering
in keyword, 21
out keyword, 21
bidirectional filtering with IPSec, 108
bimap keyword, 62
block keyword, 21
blocked traffic
IPSec
correcting, 108
C
checklist
installation and configuration, 15
commands
unsupported, 118
configuration
checklist, 15
DCA rules file, 44
IPv6 rules file, 37
NAT rules file, 55
rules file, 20
rules processing, 20, 55
verifying, 17
configuration examples, 121
configuring
file conventions, 20, 34, 37, 41, 55
configuring kernel tunables, 135
configuring variables, 136
D
DCA
file configuration, 44
keywords, 45
logging command, 81
overview, 44
processing commands, 87
remote failover, 116
rule modifications, 49
setting mode, 52, 86
syntax, 45
DCA keywords
keep limit, 45
log limit, 46
log limit freq, 47
DCA_START configuration option, 52
debugging
ipfstat utility, 71
Denial of Service attack defense, 21
disabling, 89
Dynamic Connection Allocation (see DCA)
dynamic linking, 137
E
enabling, 89
examples
configuration
basic, 121, 122
TCP, 128
extension headers
IPv6, 38
extracting keep limit rules, 51
F
filtering
bidirectional, 21
by interface, 25
by IP address, 21
by subnet, 21
by TCP header flags, 26
ICMP packets, 28, 91
IP address and interface, 21
IPv6, 38
localhost, 67
on IP options, 27
package IP address, 112
port number, 22
filtering on flags
confusing with keeping state, 29
firewall
basic configuration, 19
flags keyword, 26
fr_statemax, 134
fr_tcpidletimeout, 133
fragmentation
IPv6, 39
from keyword, 21
FTP
active FTP
client, 100
server, 100
how it works, 99
passive FTP
client, 101
server, 100
WU-FTPD, 99
G
group keyword, 33
H
high availability, 111
I
ICMP
error status messages, 30
filtering on, 28, 91
143