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lug-bg: IP Masquerading [2]
- Subject: lug-bg: IP Masquerading [2]
- From: neznaiko@xxxxxxxxx (neZnaiko)
- Date: Wed, 9 Aug 2000 02:54:56 -0700 (PDT)
hi!
po povod vyprosa IP Masquerading sys EDNA mrejova
karta, eto i dop. informacia za tova kak izglejdat
neshtata pri men:
#konfigurirane na NIC
ifconfig eth0:0 A.B.C.d netmask 255.255.255.240
up
ifconfig eth0:1 192.168.100.254 netmask
255.255.255.0 up
ifconfig eth0 up
route add default gw A.B.C.d1 netmask 0.0.0.0 metric 3
#----
#v rezultat eth0 izglejda taka:
eth0 Link encap:Ethernet HWaddr
00:50:BA:CD:CB:D8
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:4684 errors:0 dropped:0
overruns:0 frame:0
TX packets:1122 errors:0 dropped:0
overruns:0 carrier:0
collisions:0 txqueuelen:100
Interrupt:10 Base address:0xe400
eth0:0 Link encap:Ethernet HWaddr
00:50:BA:CD:CB:D8
inet addr:A.B.C.d Bcast:A.B.C.255
Mask:255.255.255.240
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
Interrupt:10 Base address:0xe400
eth0:1 Link encap:Ethernet HWaddr
00:50:BA:CD:CB:D8
inet addr:192.168.100.254
Bcast:192.168.100.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
Interrupt:10 Base address:0xe400
#a routing tablicata:
Kernel IP routing table
Destination Gateway Genmask Flags
Metric Ref Use Iface
A.B.C.D 0.0.0.0 255.255.255.240 U
0 0 0 eth0
192.168.100.0 0.0.0.0 255.255.255.0 U
0 0 0 eth0
127.0.0.0 0.0.0.0 255.0.0.0
U 0 0 0 lo
0.0.0.0 A.B.C.d 0.0.0.0
UG 3 0 0 eth0
#setvane na ipchains
ipchains -F
ipchains -X
ipchains -A forward -i eth0:1 -d
192.168.100.0/24
ipchains -A forward -j MASQ -i eth0:0 -s
192.168.100.0/24 -d 0.0.0.0/0
ipchians -L -n
#i posle: rezultata ot ipchains -L
Chain input (policy ACCEPT):
Chain forward (policy ACCEPT):
target prot opt source
destination ports
- all ------ anywhere
192.168.100.0/24 n/a
MASQ all ------ 192.168.100.0/24 anywhere
n/a
Chain output (policy ACCEPT):
#a eto i ot ipchains -vnL
Chain input (policy ACCEPT: 3282 packets, 463645
bytes):
Chain forward (policy ACCEPT: 4 packets, 240 bytes):
pkts bytes target prot opt tosa tosx ifname
mark outsize source
destination ports
0 0 - all ------ 0xFF 0x00 eth0:1
0.0.0.0/0
192.168.100.0/24 n/a
0 0 MASQ all ------ 0xFF 0x00 eth0:0
192.168.100.0/24 0.0.0.0/0
n/a
Chain output (policy ACCEPT: 1980 packets, 196646
bytes):
#TOVA E! no i nikoe ot PC-tata v LAN-a ne izliza navyn
:(
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