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Date: Wed, 15 Jan 2003 18:06:38 +0500
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Subject: [Comm] Caching nameserver & ipchains
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=FA=C4=D2=C1=D7=D3=D4=D7=D5=CA=D4=C5.

=F5=D3=D4=C1=CE=CF=D7=CC=C5=CE =CB=DC=DB=C9=D2=D5=C0=DD=C9=CA nameserver =
(caching-nameserver-7.0-ipl2mdk =C9
bind-8.2.3-ipl4mdk) =C9 =D0=D2=CF=D0=C9=D3=C1=CE=D9 =
=D3=CC=C5=C4=D5=C0=DD=C9=C5 =D0=D2=C1=D7=C9=CC=C1

ipchains -A input -i $EXTERNAL_INTERFACE -p udp -s $NAMESERVER_1 53 -d
$IPADDR 53  -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE -p udp -s $IPADDR 53 -d
$NAMESERVER_1 53 -j ACCEPT
ipchains -A input -i $EXTERNAL_INTERFACE -p udp -s $NAMESERVER_2 53 -d
$IPADDR 53  -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE -p udp -s $IPADDR 53 -d
$NAMESERVER_2 53 -j ACCEPT

=EE=CF =CE=C5 =D2=C1=C2=CF=D4=C1=C5=D4.=20

=F7 named.conf =C5=D3=D4=D8 =D3=CC=C5=C4=D5=C0=DD=C9=CA =
=CB=CF=CD=CD=C5=CE=D4=C1=D2=C9=CA
         * If there is a firewall between you and nameservers you want
         * to talk to, you might need to uncomment the query-source
         * directive below.  Previous versions of BIND always asked
         * questions using port 53, but BIND 8.1 uses an unprivileged
         * port by default.

=F5=D3=D4=C1=CE=CF=D7=CC=C5=CE =C4=C5=CA=D3=D4=D7=C9=D4=C5=CC=D8=CE=CF =
BIND 8.2
=E4=CF=C2=C1=D7=C9=CC =D3=CC=C5=C4=D5=C0=DD=C9=C5 =D0=D2=C1=D7=C9=CC=C1, =
=D2=C5=DA=D5=CC=D8=D4=C1=D4 =D0=D2=C5=D6=CE=C9=CA.

ipchains -A output -i $EXTERNAL_INTERFACE -p udp -s $IPADDR $UNPRIVPORTS
-d $NAMESERVER_1 53 -j ACCEPT
ipchains -A input -i $EXTERNAL_INTERFACE -p udp  -s $NAMESERVER_1 53 -d
$IPADDR $UNPRIVPORTS -j ACCEPT
ipchains -A output -i $EXTERNAL_INTERFACE -p udp -s $IPADDR $UNPRIVPORTS
-d $NAMESERVER_2 53 -j ACCEPT
ipchains -A input -i $EXTERNAL_INTERFACE -p udp  -s $NAMESERVER_2 53 -d
$IPADDR $UNPRIVPORTS -j ACCEPT

=C7=C4=C5
NAMESERVER_1=3D"195.12.66.1"
NAMESERVER_2=3D"195.12.66.65"
UNPRIVPORTS=3D"1024:65535"
IPADDR=3D"195.12.68.190"