HP-UX IPFilter Version 15.01 Administrator's Guide

Using the log keyword to Configure IPFilter Logging...................................................................82
level log-level........................................................................................................................82
first..............................................................................................................................................82
body............................................................................................................................................83
Using ipmon to View IPFilter Log Entries......................................................................................84
Syntax.........................................................................................................................................84
Options.......................................................................................................................................84
Examples....................................................................................................................................84
ipmon and DCA Logging...........................................................................................................85
Troubleshooting Tips............................................................................................................................85
Reporting Problems..............................................................................................................................88
9 HP-UX IPFilter Utilities...................................................................................................89
The ipf Utility........................................................................................................................................89
Syntax..............................................................................................................................................89
Options............................................................................................................................................89
Example...........................................................................................................................................91
The ipnat Utility....................................................................................................................................92
Syntax..............................................................................................................................................92
Options............................................................................................................................................92
Example...........................................................................................................................................92
The ipfilter Utility (HP-UX 11i v3)........................................................................................................93
Syntax..............................................................................................................................................93
Options............................................................................................................................................93
Example...........................................................................................................................................93
10 HP-UX IPFilter and ICMP............................................................................................95
Filtering ICMPv4 Packets by Type and Code (icmp-type and code)....................................................95
Configuring ICMPv4 Kernel Parameters..............................................................................................96
Dead Gateway Detection (ip_ire_gw_probe)..................................................................................97
IPFilter Configuration................................................................................................................97
ICMP Source Quench (ip_send_source_quench)............................................................................97
IPFilter Configuration................................................................................................................97
ICMP Redirects (ip_send_redirects)................................................................................................98
IPFilter Configuration................................................................................................................98
PMTU Discovery (ip_pmtu_strategy).............................................................................................98
IPFilter Configuration................................................................................................................98
ICMP Echo Request Broadcasts (ip_respond_to_echo_broadcast).................................................99
Using ndd to Configure ICMPv4 Kernel Parameters......................................................................99
Filtering ICMPv6 Packets by Type and Code (icmpv6–type and code).............................................100
Controlling ICMPv6 Router Discovery and Neighbor Discovery Messages.....................................101
Configuring ipf_icmp6_passthru..................................................................................................101
Configuring ipf_icmp6_passthru on HP-UX 11i v2 and HP-UX 11i v3...................................101
Configuring ipf_icmp6_passthru on HP-UX 11i v1.................................................................101
11 HP-UX IPFilter and FTP.............................................................................................103
FTP Basics............................................................................................................................................103
WU-FTPD on HP-UX..........................................................................................................................103
Running an FTP Server.......................................................................................................................104
Active FTP......................................................................................................................................104
Passive FTP....................................................................................................................................104
Running an FTP Client........................................................................................................................104
Active FTP......................................................................................................................................104
6 Table of Contents