[rlug] Problema iptables

[George Tolea]

Neatza!
Puteti sa imi spuneti si mie ce lipseste, ce mai trebuie adaugat ca sa mearga urmatorul lucru?
Se da server RH8.0 cu 2 placi de retea (A - internet si B - intranet).
La placa B este conectat un alt calculator (fir cross-over).

root@server# cat firewall
echo "1">/proc/sys/net/ipv4/ip_forward
IPTABLES=/sbin/iptables
SS=a.b.c.d
DD=x.y.z.v
$IPTABLES -v -t nat -A POSTROUTING -s 192.168.10.0/24 -d 0/0 -j MASQUERADE
$IPTABLES -v -t nat -A PREROUTING -p tcp -s $SS -d $DD --dport 80 -j DNAT --to-destination 192.168.10.45:80

root@server# telnet 192.168.10.45 80
Trying 192.168.10.45...
Connected to 192.168.10.45.
Escape character is '^]'.

root@server# lsmod
Module Size Used by Not tainted
ipt_MASQUERADE 2072 1 (autoclean)
iptable_nat 18872 1 (autoclean) [ipt_MASQUERADE]
ip_conntrack 20316 1 (autoclean) [ipt_MASQUERADE iptable_nat]
ne2k-pci 6752 2
8390 7788 0 [ne2k-pci]
iptable_filter 2316 0 (autoclean) (unused)
ip_tables 14456 5 [ipt_MASQUERADE iptable_nat iptable_filter]
ext3 64224 2
jbd 48180 2 [ext3]

Cu toate astea cand incerc de la ip-ul a.b.c.d ...telnet x.y.z.v 80 ...ramane la Trying x.y.z.v ...si dupa un timp da Connection timed out...

Ce anume nu este corect?
Ce imi scapa ...?



---
George Tolea
INMH Bucuresti


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