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sitlhj ·¢±íÓÚ 2005-11-3 18:05

¡¾×ªÌû¡¿FreeBSD ·þÎñÆ÷ÉèÖüòÃ÷¹¥ÂÔ

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»ù±¾ÍøÂçÉèÖÃ:

defaultrouter="192.168.0.1"
gateway_enable="YES"
hostname="xxxhost.xxxdomain.com"
ifconfig_rl0="inet 192.168.0.1 netmask 255.255.255.0"

×¢Òâ: rl0ΪÄÚÍø¿¨,ÄãÐèÒª°´Äãʵ¼ÊµÄÍø¿¨É豸ȥд.

Ò» ÈçºÎÔÚFreeBSDÉèÖÃADSLÉÏÍø

ÎÒÔø¾­·¢±í¹ýһƪÕâÑùµÄÎÄÕÂ,ÔÚÕâÀïÎÒ²»ÔÚÂÞàÂÁË. ¿ÉÒԲο¼ÏÂÃæ:

ÈçºÎÔÚFreeBSDÉèÖÃADSLÉÏÍø£¨ÔÚFreeBSD 4.4ϲâÊÔͨ¹ý£©
ÍøÉÏÓв¿·Ö¹ØÓÚFreeBSDÉèÖÃADSLÉÏÍøµÄÎÄÕÂÓÐЩ´íÎó£¬ÕâÀ﹫²¼´ÐÍ·µÄÉèÖÃÎļþ¡£
1¡£±à¼­/etc/ppp/ppp.conf Îļþ

default:
set log Phase tun command
enable dns

adsl:
set device PPPoE: É豸Ãû £»¼´Íø¿¨µÄÉ豸Ãû
set speed sync
set mru 1492
set mtu 1492
set dial
set login
add default HISADDR
set authname ÕÊ»§Ãû
set authkey ÃÜÂë

Papchap:
set authname ÕÊ»§Ãû
set authkey ÃÜÂë

2¡£±à¼­/boot/defaults/loader.conf
ng_pppoe_load="YES"

ÐéÄⲦºÅ£º ppp -background adsl
²âÊÔ£º ifconfig -a ¿´µ½tun0αÉ豸À¦°óÁËISP·ÖÅäµÄIPµØÖ·¼´³É¹¦

Èç¹ûÏ뿪»ú¾Í×Ô¶¯²¦ºÅ£¬ÄǾÍÒªÐÞ¸Ä/etc/rc.conf£¬Ôö¼ÓÒ»ÏÂ×ֶΣº
ppp_enable="YES"
ppp_mode="ddial"
ppp_profile="adsl"

¶þ ÉèÖûº³åÐÍDNS

1. ±à¼­/etc/resolv.conf

domain xxxxx.com
nameserver 127.0.0.1
nameserver xxx.xxx.xxx.xxx.xxx
nameserver xxx.xxx.xxx.xxx.xxx
(ºóÃæÁ½¸öÒ»°ãÔÚ²¦ºÅʱ×Ô¶¯Éú³É, ÄÇÊÇISPµÄÓòÃû½âÎö·þÎñÆ÷µØÖ·. 127.0.0.1±ØÐë·ÅÔÚËûÃÇ֮ǰ)

2. ´´½¨localhost.revÎļþ
chmod 744 /etc/namedb/make-localhost (½«½Å±¾¸ÄΪ¿ÉÖ´ÐÐ)
cd /etc/namedb
./make-localhost

3.±à¼­/etc/namedb/named.conf

options {
directory "/etc/namedb";
forward only;
forwarders {
xxx.xxx.xxx.xxx; xxx.xxx.xxx.xxx;
};
};

zone "." {
type hint;
file "named.root";
};

zone "0.0.127.IN-ADDR.ARPA" {
type master;
file "localhost.rev";
};

×¢: ÉÏÃæÁ½¸öxxx.xxx.xxx.xxx¾ÍÊÇ/etc/resolv.conf ÀïÃæµÄÁ½¸önameserverµØÖ·

4.ÐÞ¸Ä/etc/rc.conf
¼ÓÈë named_enable="YES"

Èý ÉèÖÃ͸Ã÷´úÀí

ÕâÀï¼ÙÉèÄãÒѾ­ÉèÖúÃsquid²¢ÒÑͶÈëʹÓÃ,Èç¹û´ó¼Ò¶Ôsquid²»ÊìϤµÄ»°,ÎÒÉÔºó»áÌù³ösquidµÄÉèÖÃ.
Ò»°ãÍøÉ϶¼ÊÇÓÃipfw×ö·À»ðǽµÄ,µ«ÎÒ¾õµÃipfilter½Ïipfw·½±ã¶øÇÒºÃÓÃ,ËùÒÔÕâÀï²ÉÓÃipfilter.

1.±à¼­/boot/defaults/loader.conf
ÔÚNetworking modules¶Î¼ÓÈë:
ipl_load="YES"

2.´´½¨/etc/ipfilter.rules (ipfilter¹æÔò),ÕâÀï½ö½ö¸ø³öÒ»¸öÀý×Ó,Òª¸ù¾Ý×Ô¼ºµÄʵ¼ÊÐèÇóÉ趨¹æÔò.

block in log on ÍâÍø¿¨Ãû from any to any
block out log on ÍâÍø¿¨Ãû from any to any
pass out log on ÍâÍø¿¨Ãû proto icmp all keep state
pass out log on ÍâÍø¿¨Ãû proto tcp/udp from any to any keep state
pass in on ÍâÍø¿¨Ãû proto tcp from any to any port = ftp-data keep state
pass in on ÍâÍø¿¨Ãû proto tcp from any port = ftp-data to any port > 1023 keep state
pass in on ÄÚÍø¿¨Ãû all
pass out on ÄÚÍø¿¨Ãû all
block return-rst in log on ÍâÍø¿¨Ãû proto tcp from any to any flags S/SA
block return-icmp(net-unr) in log on ÍâÍø¿¨Ãû proto udp from any to any

3.´´½¨/etc/ipnat.rules (NAT¹æÔò)
rdr ÄÚÍø¿¨Ãû 0.0.0.0/0 port 80 -> 192.168.0.1 port 3128 tcp/udp

×¢: 192.168.0.1 ΪÄÚÍø¿¨ipµØÖ·, ²¢¼ÙÉèÄãµÄsquidµÄ¶Ë¿ÚΪ3128,²»Êǵϰ¸Ä³Éʵ¼ÊµÄ¾Í¿ÉÒÔÁË.

4.±à¼­ /etc/rc.conf , ¼ÓÈë:

ipfilter_enable="YES"
ipfilter_rules="/etc/ipfilter.rules"
ipnat_enable="YES"
ipnat_rules="/etc/ipnat.rules"
µ½ÕâÀïΪֹ,Õû¸öÉèÖÃ͸Ã÷´úÀíÉèÖûù±¾Íê³É, È·±£ÄãµÄsquid·þÎñÕý³£²¢¿ª»ú×Ô¶¯Æô¶¯. È»ºóÖØÐÂÆô¶¯·þÎñÆ÷.½«¿Í»§¶ËµçÄÔµÄÍø¹ØºÍDNS·þÎñÆ÷µØÖ·¶¼¸ÄΪÄÚÍø¿¨ipµØÖ·(ÎÒÄÇÀïÊÇ192.168.0.1) ¾Í¿ÉÒÔÁË.

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