[CentOS-es] Ayuda Rutas
César Martinez
cmartinez en servicomecuador.com
Lun Mar 10 23:20:07 UTC 2014
Hola Francesc perdón por la demora la regla funcionó a la perfección
muchas gracias por todo
Saludos
César
> El 07/03/2014 11:24, Francesc Guitart escribió:
>> Hola César,
>>
>> Prueba añadiendo esta regla:
>>
>> $IPTABLES -I FORWARD -d 172.25.144.0/24 -i eth1 -j ACCEPT
>>
>> Por cierto, en cuanto a las reglas que me mandaste en el otro mail:
>> $IPTABLES -A INPUT -s 192.168.0.0/24 -j ACCEPT
>> $IPTABLES -A OUTPUT -d 172.25.144.0/24 -j ACCEPT
>> $IPTABLES -A OUTPUT -p tcp -d 172.25.144.0/24 -j ACCEPT
>> $IPTABLES -I OUTPUT -d 172.25.144.0/24 -j ACCEPT
>> $IPTABLES -A POSTROUTING -t nat -o $EXTERNALIF -j MASQUERADE
>>
>> La primera y la cuarta son exactamente iguales. Elimina una de las dos.
>> La tercera esta incluida dentro de la segunda (o la cuarta, como
>> prefieras). Bórrala también.
>>
> Olvidé una cosa. La quita regla parece que funciona bien, pero para ser
> exactos sería más bien:
>
> $IPTABLES -t nat -A POSTROUTING -o $EXTERNALIF -j MASQUERADE
>
>
>> El 07/03/2014 11:04, César Martinez escribió:
>>> Hola Gracias por responder, paso por le proxy porque el cable del tunel
>>> de datos esta conectado ahora directo al switch que esta en el segmento
>>> 192.168.0.X, el isp creo unas rutas para enviar todo el trafico de datos
>>> a la ip 192.168.0.1 que es la ip de mi proxy actualmente. Como te
>>> menciono si bajo el firewall momentaneamente puedo hacer ping o entrar a
>>> un recurso compartido de la red 172.25.144.4 que es actualmente donde
>>> debo llegar, esta ip es un servidor windows que tiene una carpeta
>>> compartida. Te adjunto la salida de los comandos, muchas gracias por tu
>>> ayuda
>>>
>>> ip route
>>> 181.113.66.72/29 dev eth0 proto kernel scope link src 181.113.66.78
>>> 192.168.0.0/24 dev eth1 proto kernel scope link src 192.168.0.1
>>> 172.25.144.0/24 via 192.168.0.3 dev eth1
>>> 169.254.0.0/16 dev eth1 scope link
>>> default via 181.113.66.73 dev eth
>>>
>>> ip route show table local
>>> broadcast 181.113.66.79 dev eth0 proto kernel scope link src 181.113.66.78
>>> broadcast 192.168.0.255 dev eth1 proto kernel scope link src 192.168.0.1
>>> local 181.113.66.78 dev eth0 proto kernel scope host src 181.113.66.78
>>> broadcast 127.255.255.255 dev lo proto kernel scope link src 127.0.0.1
>>> broadcast 181.113.66.72 dev eth0 proto kernel scope link src 181.113.66.78
>>> local 192.168.0.1 dev eth1 proto kernel scope host src 192.168.0.1
>>> broadcast 192.168.0.0 dev eth1 proto kernel scope link src 192.168.0.1
>>> broadcast 127.0.0.0 dev lo proto kernel scope link src 127.0.0.1
>>> local 127.0.0.1 dev lo proto kernel scope host src 127.0.0.1
>>> local 127.0.0.0/8 dev lo proto kernel scope host src 127.0.0.1
>>>
>>>
>>> ifconfig -a
>>> eth0 Link encap:Ethernet HWaddr 00:26:5A:84:C3:B0
>>> inet addr:181.113.66.78 Bcast:181.113.66.79 Mask:255.255.255.248
>>> inet6 addr: fe80::226:5aff:fe84:c3b0/64 Scope:Link
>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>>> RX packets:322452 errors:0 dropped:0 overruns:0 frame:0
>>> TX packets:315335 errors:0 dropped:0 overruns:0 carrier:0
>>> collisions:0 txqueuelen:1000
>>> RX bytes:218551617 (208.4 MiB) TX bytes:50814320 (48.4 MiB)
>>> Interrupt:169 Base address:0xc000
>>>
>>> eth1 Link encap:Ethernet HWaddr 3C:4A:92:B2:92:E4
>>> inet addr:192.168.0.1 Bcast:192.168.0.255 Mask:255.255.255.0
>>> inet6 addr: fe80::3e4a:92ff:feb2:92e4/64 Scope:Link
>>> UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
>>> RX packets:401472 errors:0 dropped:0 overruns:0 frame:0
>>> TX packets:326596 errors:0 dropped:0 overruns:0 carrier:0
>>> collisions:0 txqueuelen:1000
>>> RX bytes:60175972 (57.3 MiB) TX bytes:235191189 (224.2 MiB)
>>> Interrupt:177 Memory:fbdf0000-fbe00000
>>>
>>> eth2 Link encap:Ethernet HWaddr 54:E6:FC:80:4C:C5
>>> BROADCAST MULTICAST MTU:1500 Metric:1
>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>> collisions:0 txqueuelen:1000
>>> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b)
>>> Interrupt:90 Base address:0xa000
>>>
>>> lo Link encap:Local Loopback
>>> inet addr:127.0.0.1 Mask:255.0.0.0
>>> inet6 addr: ::1/128 Scope:Host
>>> UP LOOPBACK RUNNING MTU:16436 Metric:1
>>> RX packets:485 errors:0 dropped:0 overruns:0 frame:0
>>> TX packets:485 errors:0 dropped:0 overruns:0 carrier:0
>>> collisions:0 txqueuelen:0
>>> RX bytes:59577 (58.1 KiB) TX bytes:59577 (58.1 KiB)
>>>
>>> sit0 Link encap:IPv6-in-IPv4
>>> NOARP MTU:1480 Metric:1
>>> RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>>> TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>>> collisions:0 txqueuelen:0
>>> RX bytes:0 (0.0 b) TX bytes:0 (0.0 b
>>>
>>>
>>>
>>>
>>> iptables -L -nChain INPUT (policy ACCEPT)
>>> target prot opt source destination
>>> DROP all -- 0.0.0.0/0 0.0.0.0/0 state INVALID
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
>>> ACCEPT all -- 192.168.0.0/24 0.0.0.0/0
>>> ACCEPT 41 -- 0.0.0.0/0 0.0.0.0/0
>>> ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0 icmp type 8 limit: avg 1/sec burst 5
>>> ACCEPT icmp -- 0.0.0.0/0 0.0.0.0/0
>>> REJECT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:137 reject-with icmp-port-unreachable
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:20
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:21
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:1976
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:25
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:587
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:53
>>> ACCEPT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:53
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:80
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:110
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:143
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:443
>>> ACCEPT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:11200
>>> ACCEPT all -- 192.168.0.0/24 0.0.0.0/0
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:1433 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: MSSQL '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:1433
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6670 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Deepthrt '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6670
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6711 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Sub7 '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6711
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6712 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Sub7 '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6712
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6713 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Sub7 '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6713
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:12345 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Netbus '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:12345
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:12346 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Netbus '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:12346
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:20034 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: Netbus '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:20034
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:31337 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: BO '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:31337
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6000 limit: avg 3/hour burst 5 LOG flags 0 level 4 prefix `Firewalled packet: XWin '
>>> DROP tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:6000
>>> DROP udp -- 0.0.0.0/0 0.0.0.0/0 udp dpts:33434:33523
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:113 reject-with icmp-port-unreachable
>>> REJECT 2 -- 0.0.0.0/0 0.0.0.0/0 reject-with icmp-port-unreachable
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp flags:0x17/0x02 limit: avg 5/min burst 5 LOG flags 0 level 4 prefix `Firewalled packet:'
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 reject-with tcp-reset
>>> DROP all -- 0.0.0.0/0 0.0.0.0/0
>>>
>>> Chain FORWARD (policy ACCEPT)
>>> target prot opt source destination
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:55347 reject-with icmp-port-unreachable
>>> DROP all -- 0.0.0.0/0 0.0.0.0/0 state INVALID
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:137 reject-with icmp-port-unreachable
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:138 reject-with icmp-port-unreachable
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 tcp dpt:139 reject-with icmp-port-unreachable
>>> REJECT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:137 reject-with icmp-port-unreachable
>>> REJECT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:138 reject-with icmp-port-unreachable
>>> REJECT udp -- 0.0.0.0/0 0.0.0.0/0 udp dpt:139 reject-with icmp-port-unreachable
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state NEW
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state RELATED,ESTABLISHED
>>> LOG tcp -- 0.0.0.0/0 0.0.0.0/0 tcp flags:0x17/0x02 limit: avg 5/min burst 5 LOG flags 0 level 4 prefix `Firewalled packet:'
>>> REJECT tcp -- 0.0.0.0/0 0.0.0.0/0 reject-with tcp-reset
>>> DROP all -- 0.0.0.0/0 0.0.0.0/0
>>>
>>> Chain OUTPUT (policy ACCEPT)
>>> target prot opt source destination
>>> ACCEPT all -- 0.0.0.0/0 172.25.144.0/24
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0 state NEW
>>> ACCEPT all -- 0.0.0.0/0 172.25.144.0/24
>>> ACCEPT tcp -- 0.0.0.0/0 172.25.144.0/24
>>> ACCEPT all -- 0.0.0.0/0 0.0.0.0/0
>>>
>>>
>>>
>>>
>>>
>>>> Hola Cesar,
>>>>
>>>> Por favor, envía los mails a la lista. La discusión de tu problema se
>>>> estaba realizando en ese canal. ¿Porqué cambiar?
>>>>
>>>> Si he entendido bien después de varios mensajes, tienes la interfaz del
>>>> aparato que hace el túnel conectado directamente a la red interna.
>>>> Entonces ¿porqué pasas por el firewall para ir de una oficina a otra?
>>>> Hay algo que no he entendido bien. ¿Puedes explicar la situación actual
>>>> desde el principio sin omitir nada?
>>>>
>>>> Añade por favor la salida de estos comandos:
>>>>
>>>> ip route
>>>> ip route show table local
>>>> ifconfig -a
>>>> iptables -L -n
>>>>
>>>> Gracias.
>>>>
>>>>
>>> _______________________________________________
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>>>
>>
>
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