Tidak bisa ping domain di vps setelah install vestacp


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zens

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Verified Provider
Saya menggunakan vps openvz di proxmox, baru kali ini ngalami seperti ini, saya install vestacp di centos 7, installasi lancar2 saja sampai panel admin vestacp bisa diakses dengan normal. Hanya saja ada yang aneh menurut saya, karna gak biasa seperti ini, saya tidak bisa ping ke domain manapun di terminal vps, contohnya ke google.com berikut :
[root@server ~]# ping google.com
ping: google.com: Name or service not known
Click to expand...

Tapi kalau ping ke ip bisa :
[root@server ~]# ping 8.8.8.8
PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data.
64 bytes from 8.8.8.8: icmp_seq=1 ttl=59 time=20.2 ms
64 bytes from 8.8.8.8: icmp_seq=2 ttl=59 time=21.0 ms
64 bytes from 8.8.8.8: icmp_seq=3 ttl=59 time=21.6 ms
64 bytes from 8.8.8.8: icmp_seq=4 ttl=59 time=20.1 ms
Click to expand...

ini setingan /etc/resolv.conf nya
# --- BEGIN PVE ---
nameserver 103.242.107.161
nameserver 8.8.8.8
# --- END PVE ---
Click to expand...

Apa yang salah ya ?
 
cek di host / proxmox nya.

test telnet sekalian, baik dari guest vestacp maupun dari host proxmox nya.

Code: 
# telnet 8.8.8.8 53
Trying 8.8.8.8...
Connected to 8.8.8.8.
Escape character is '^]'.
Connection closed by foreign host.
 
GPLHosting said:
cek di host / proxmox nya.

test telnet sekalian, baik dari guest vestacp maupun dari host proxmox nya.

Code: 
# telnet 8.8.8.8 53
Trying 8.8.8.8...
Connected to 8.8.8.8.
Escape character is '^]'.
Connection closed by foreign host.
Click to expand...
di proxmox :
root@one:~# telnet 8.8.8.8 53
Trying 8.8.8.8...
Connected to 8.8.8.8.
Escape character is '^]'.
Connection closed by foreign host.
Click to expand...

kalau di host/ proxmox mah bisa ping ke domain :

login as: root
[email protected]'s password:

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Thu May 18 08:57:42 2017 from 103.242.107.162
root@one:~# ping google.com
PING google.com (172.217.27.110) 56(84) bytes of data.
64 bytes from sin11s04-in-f14.1e100.net (172.217.27.110): icmp_seq=1 ttl=56 time=20.6 ms
64 bytes from sin11s04-in-f14.1e100.net (172.217.27.110): icmp_seq=2 ttl=56 time=20.8 ms
64 bytes from sin11s04-in-f14.1e100.net (172.217.27.110): icmp_seq=3 ttl=56 time=20.9 ms
64 bytes from sin11s04-in-f14.1e100.net (172.217.27.110): icmp_seq=4 ttl=56 time=21.1 ms
64 bytes from sin11s04-in-f14.1e100.net (172.217.27.110): icmp_seq=5 ttl=56 time=20.8 ms
Click to expand...



di vps vestacp :

[root@server ~]# telnet 8.8.8.8 53
Trying 8.8.8.8...
telnet: connect to address 8.8.8.8: Connection timed out
Click to expand...



pening nih .. hehehe
 
zens said:
di proxmox :


kalau di host/ proxmox mah bisa ping ke domain :





di vps vestacp :





pening nih .. hehehe
Click to expand...

nah sudah ketahuan lebih jauh tuh, port 53 dari dan ke guestnya tertutup, coba cek firewall proxmox nya, apakah ngeblok port 53 yg mengarah ke guest vestacp dan sebaliknya.
 
kalo saya sih mas @zens , /etc/resolv.confnya

nameserver 8.8.8.8
nameserver 8.8.4.4

dah.. setelah itu pasti bisa ngeping lagi spt biasa
 
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