[uylug-varios] Problema raro de conexion entre dos maquinas
Dante Castiglione M.
dac.maldonado at gmail.com
Fri Apr 29 11:05:18 PDT 2016
Muchas gracias por sus amables respuestas.
------------------------------------
1. telnet
------------------------------------
Hice el telnet correctamente desde el CentOS cliente, el resultado no cambia
[usuario at cliente ~]$ telnet 192.168.1.43 5432
Trying 192.168.1.43...
telnet: connect to address 192.168.1.43: No route to host
Por si acaso lo repeti desde el cliente en Ubuntu, hace lo mismo
usuario at cliente:~$ telnet 192.168.1.43 5432
Trying 192.168.1.43...
telnet: Unable to connect to remote host: No route to host
------------------------------------
2. server
------------------------------------
ifconfig del server
[usuario at server ~]# ifconfig
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 756 bytes 127594 (124.6 KiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 756 bytes 127594 (124.6 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
p1p1: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether 20:47:47:3c:5b:bd txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255
ether 52:54:00:a4:bc:6e txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp6s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.43 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::1a4f:32ff:feca:297d prefixlen 64 scopeid 0x20<link>
ether 18:4f:32:ca:29:7d txqueuelen 1000 (Ethernet)
RX packets 12450 bytes 8049799 (7.6 MiB)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 7794 bytes 1254229 (1.1 MiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
ip tables del server
[usuario at server ~]# service iptables status
Redirecting to /bin/systemctl status iptables.service
● iptables.service
Loaded: not-found (Reason: No such file or directory)
Active: inactive (dead)
------------------------------------
3. cliente
------------------------------------
ifconfig del ciente
[usuario at cliente ~]$ ifconfig
enp9s0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
ether a4:ba:db:b7:0b:08 txqueuelen 1000 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 18
lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
inet 127.0.0.1 netmask 255.0.0.0
inet6 ::1 prefixlen 128 scopeid 0x10<host>
loop txqueuelen 0 (Local Loopback)
RX packets 10 bytes 756 (756.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 10 bytes 756 (756.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
virbr0: flags=4099<UP,BROADCAST,MULTICAST> mtu 1500
inet 192.168.122.1 netmask 255.255.255.0 broadcast 192.168.122.255
ether 52:54:00:53:ac:c9 txqueuelen 0 (Ethernet)
RX packets 0 bytes 0 (0.0 B)
RX errors 0 dropped 0 overruns 0 frame 0
TX packets 0 bytes 0 (0.0 B)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
wlp12s0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.1.42 netmask 255.255.255.0 broadcast 192.168.1.255
inet6 fe80::e60:76ff:fe2f:29d9 prefixlen 64 scopeid 0x20<link>
ether 0c:60:76:2f:29:d9 txqueuelen 1000 (Ethernet)
RX packets 18 bytes 2027 (1.9 KiB)
RX errors 0 dropped 0 overruns 0 frame 20284
TX packets 42 bytes 5704 (5.5 KiB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
device interrupt 17 base 0xc000
iptables del cliente
[usuario at cliente ~]# service iptables status
Redirecting to /bin/systemctl status iptables.service
● iptables.service
Loaded: not-found (Reason: No such file or directory)
Active: inactive (dead)
------------------------------------
4. netstat y nap
------------------------------------
netstat en el server, muestra el puerto 5432 abierto, no se si correctamente
[usuario at server ~]# netstat -nltp | grep 5432
tcp 0 0 0.0.0.0:5432 0.0.0.0:*
LISTEN 6642/postgres
tcp6 0 0 :::5432 :::*
LISTEN 6642/postgres
nmap desde el cliente, aca parece haber algo raro porque ve otros puertos
pero no el 5432
[usuario at cliente ~]# nmap 192.168.1.43
Starting Nmap 6.40 ( http://nmap.org ) at 2016-04-29 14:48 UYT
Nmap scan report for mdw.southx.io (192.168.1.43)
Host is up (0.018s latency).
Not shown: 997 filtered ports
PORT STATE SERVICE
22/tcp open ssh
139/tcp closed netbios-ssn
445/tcp closed microsoft-ds
MAC Address: 18:4F:32:CA:29:7D (Unknown)
Nmap done: 1 IP address (1 host up) scanned in 6.83 seconds
------------------------------------
No entiendo porque no lo ve si el nmap lo muestra abierto
Podra ser porque esta con 0.0.0.0 y no especificamente con 192.168.1.43 ???
Desde ya muchas gracias
------------------------------------
---------------------------------------------
*SouthX*
https://southx.io
BigData
*Digicoins*
https://digicoins.cash <https://southx.io/>
Bitcoin
Dante Castiglione Maldonado
dac.maldonado at gmail.com
---------------------------------------------
On 29 April 2016 at 11:08, Eduardo Trápani <etrapani at gmail.com> wrote:
>
> > Tengo dos maquinas en la wifi, las dos con CentOS 7
> > 192.168.1.43 (DB server) y 192.168.1.42 (DB client)
> >
> > ping responde bien en ambos sentidos
> > en ambas maquinas iptables service dice inactive (dead)
>
> ¿Podés pegar la salida de ifconfig en ambos equipos?
>
> Eduardo.
> _______________________________________________
> Uylug-varios mailing list
> Uylug-varios at listas.uylug.org.uy
> http://listas.uylug.org.uy/listinfo.cgi/uylug-varios-uylug.org.uy
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://listas.uylug.org.uy/pipermail/uylug-varios-uylug.org.uy/attachments/20160429/f1a6f82b/attachment.htm>
More information about the Uylug-varios
mailing list