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. >>> >>> >> >> _______________________________________________ >> CentOS-es mailing list >> [email protected] >> http://lists.centos.org/mailman/listinfo/centos-es >> > > -- Francesc Guitart _______________________________________________ CentOS-es mailing list [email protected] http://lists.centos.org/mailman/listinfo/centos-es
