OpenForum RSS: FreeBsd Ipfw

FreeBsd Ipfw (arachnid)

Thu, 03 Jun 2021 11:04:16 GMT

�� , �� (� �� ) - �� , �� (� ��) � ��, �� - ��. � �� :)

��, �� , �� , �� . �� , � �� - �� skip

$int_lan="192.168.0.0/16"

ipfw nat 10 config if $net deny_in same_port reset
ipfw nat 20 config if $net redirect_port tcp 192.168.2.31:21 21 192.168.2.31:20 20 192.168.2.31:30000-31000 30000-31000
ipfw nat 30 config if $net redirect_port tcp 192.168.2.60:25 25
ipfw nat 40 config if $net redirect_port tcp 192.168.1.58:443 443

#-------rules network -------
#allow networks
$cmd 0001 allow all from any to any via $lan
# � �� 2 ? �� , �� , � �� - ��

FreeBsd Ipfw (Devset)

Tue, 01 Jun 2021 05:44:09 GMT

> � �� ipfw show � ipfw nat show config

gate-01:~ # ipfw show
00001 88144381 64989212950 allow ip from any to any via em1
00002 2620 136240 allow ip from any to any via em2
00003 31867890 18506893372 allow ip from any to any via tun0
00004 678 171322 allow ip from any to any via lo0
00010 21442036 10416892137 allow udp from any to me 1194
00011 23334762 15556716106 allow udp from me 1194 to any
00020 0 0 deny ip6 from any to any
00021 0 0 deny udp from any to any 546
00022 0 0 deny udp from any to any 547
00040 35883220 43530335534 nat 1 ip from any to any in via em0
00050 0 0 check-state :default
00060 49399902 43171443857 skipto 2000 tcp from any to any out via em0 setup keep-state :default
00061 6522916 3133645162 skipto 2000 udp from any to any out via em0 keep-state :default
00062 1778 241239 skipto 2000 icmp from any to any out via em0 keep-state :default
00070 5673 3

FreeBsd Ipfw (Devset)

Tue, 01 Jun 2021 05:38:16 GMT

>> ��
>> ftp �� 1.1.1.1 (��)
>> ��
>> https://ibb.co/BghYSMt
> � gateway_enable="yes" � /etc/rc.conf ��?
> ps. � �� , ��
> ��, �� ipfw
> � gateway_enable="yes" � /etc/rc.conf ��?

��

FreeBsd Ipfw (arachnid)

Mon, 31 May 2021 14:39:17 GMT

> ��
> ftp �� 1.1.1.1 (��)
> ��
> https://ibb.co/BghYSMt

� gateway_enable="yes" � /etc/rc.conf ��?

ps. � �� , �� , �� ipfw

FreeBsd Ipfw (arachnid)

Mon, 31 May 2021 14:14:20 GMT

� �� ipfw show � ipfw nat show config

FreeBsd Ipfw (Devset)

Mon, 31 May 2021 08:57:39 GMT

> �� , ��, �� - ��
> kldload ipfw, ipfw_nat (�� libalias �� ) - ��
> - �� ipfw �� - deny all from any to
> any
> 2. �� - �� . divert ��
> �� natd
> 3. ��
> 4. �� - ��

��

FreeBsd Ipfw (DevSet)

Thu, 27 May 2021 10:52:12 GMT

�� ftp �� 1.1.1.1 (��)
��
https://ibb.co/BghYSMt

FreeBsd Ipfw (DevSet)

Thu, 27 May 2021 10:42:16 GMT

�� :
rc.conf
Internet
ifconfig_em0="inet 1.1.1.1 netmask 255.255.255.248"
Alias internet ftp
ifconfig_em0_alias0="inet 1.1.2.1 netmask 255.255.255.255"
Local Network
ifconfig_em1="inet 192.168.1.10 netmask 255.255.255.0"
DMZ
ifconfig_em2="inet 192.168.2.10 netmask 255.255.255.0"

��

#!/bin/sh

#reset rules
ipfw -q -f flush

#-------main network-------
#macro
net="em0"
lan="em1"
dmz="em2"
cmd="ipfw -q add"
skip="skipto 2000"

#kernel nat 1 config
ipfw -q nat 1 config if $net same_ports unreg_only \
redirect_port tcp 192.168.2.31:21 21 \
redirect_port tcp 192.168.2.31:20 20 \
redirect_port tcp 192.168.2.31:30000-31000 30000-31000 \
redirect_port tcp 192.168.1.58:443 443 \
redirect_port tcp 192.168.2.60:25 25

#-------rules network -------
#allow networks
$cmd 0001 allow all from any to any via $lan
$cmd 0002 allow all from any to any via $dmz
$cmd 0004 allow all from any to any via lo0

#kernel

FreeBsd Ipfw (arachnid)

Tue, 25 May 2021 13:36:42 GMT

�� , ��, �� - ��

kldload ipfw, ipfw_nat (�� libalias �� ) - �� - �� ipfw �� - deny all from any to any

2. �� - �� . divert �� natd

3. ��

4. �� - ��