izvenite a takoy vapros na shot iptables
u menya ustanovlen
Slackware Linux 12
SQUID
i v Slackware Linux 12 vnutri uje est ustanovlen iptables!
cherez SQUID innet narmalno rabotayet
a vot pochta ne nsatraivayetca na kompax, tak kak na servere porti 110 i 25 (POP3 i SMTP) zakriti!!!
komandi dayu sledushim obrazom
vnutrenniy IP servera 192.168.0.1
echo 1 >/proc/sys/net/ipv4/ip_forward
iptables -t nat -A POSTROUTING -o ppp0 -j MASQUERADE
iptables -P FORWARD DROP
iptables -A FORWARD -s 192.168.0.1 -j ACCEPT
iptables -A FORWARD -d 192.168.0.1 -j ACCEPT
iptables -A FORWARD -p icmp -j ACCEPT
iptables -A FORWARD -p tcp --sport 110 -j ACCEPT
iptables -A FORWARD -p tcp --dport 110 -j ACCEPT
iptables -A FORWARD -p tcp --sport 25 -j ACCEPT
iptables -A FORWARD -p tcp --dport 25 -j ACCEPT
iptables-save
reboot
posle perezagruzki smatryu
root@server:~# nmap localhost
Starting Nmap 4.20 (
http://insecure.org ) at 2009-01-11 17:06 AMT
Interesting ports on localhost (127.0.0.1):
Not shown: 1694 closed ports
PORT STATE SERVICE
22/tcp open ssh
37/tcp open time
113/tcp open auth
Nmap finished: 1 IP address (1 host up) scanned in 0.071 seconds
root@server:~#
53/tcp open domain
111/tcp open rpcbind
139/tcp open netbios-ssn
445/tcp open microsoft-ds
953/tcp open rndc
porti 110 i 25 tak je ostalis zakritimi!!!!
chto ya prapustil ? pomogite!........
