Hi,

On Thu, Jan 14, 2021 at 5:51 AM tommy <sz_cui...@163.com> wrote:
>
> I encountered a question about using web console(local vnc remote viewer) to 
> connect to VM.
>
>
>
> The engine-vm can be accessed using this methord, but other VM in other 
> DataCenters or other Clusters can not be accessed, when I tried to connect , 
> the remote viewer program auto abend quickly.
>
>
>
>
>
>
>
> The follow file is the connect file for vm that can connect using remote 
> viewer:
>
>
>
> [virt-viewer]
>
> type=vnc
>
> host=192.168.10.41
>
> port=5900
>
> password=rdXQA4zr/UAY
>
> # Password is valid for 120 seconds.
>
> delete-this-file=1
>
> fullscreen=0
>
> title=HostedEngine:%d
>
> toggle-fullscreen=shift+f11
>
> release-cursor=shift+f12
>
> secure-attention=ctrl+alt+end
>
> versions=rhev-win64:2.0-160;rhev-win32:2.0-160;rhel8:7.0-3;rhel7:2.0-6;rhel6:99.0-1
>
> newer-version-url=http://www.ovirt.org/documentation/admin-guide/virt/console-client-resources
>
>
>
> [ovirt]
>
> host=ooeng.tltd.com:443
>
> vm-guid=76f99df2-ef79-45d9-8eea-a32b168f9ef3
>
> sso-token=4Up7TfLLBjSuQgPkQvRz3D-fUGZWZg4ynApe2Y7ylkARCFwQWsfEr3dU8FjlK8esctm3Im4tz80mE1DjrNT3XQ
>
> admin=1
>
> ca=-----BEGIN 
> CERTIFICATE-----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\npTs0KJFNgeVnUhKanB29ONy+tmnUmTAgPMaKKw==\n-----END
>  CERTIFICATE-----\n
>
>
>
> the firewall list of the host 192.168.10.41 is:
>
>
>
> [root@ooengh1 ~]# firewall-cmd --list-all public (active)
>
>   target: default
>
>   icmp-block-inversion: no
>
>   interfaces: bond0 ovirtmgmt
>
>   sources:
>
>   services: cockpit dhcpv6-client libvirt-tls ovirt-imageio ovirt-vmconsole 
> snmp ssh vdsm
>
>   ports: 6900/tcp 22/tcp 6081/udp
>
>   protocols:
>
>   masquerade: no
>
>   forward-ports:
>
>   source-ports:
>
>  icmp-blocks:
>
>   rich rules:
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
> the follow file is the connect file that vm that cannot connect using remote 
> viewer:
>
>
>
> [virt-viewer]
>
> type=vnc
>
> host=ohost1.tltd.com
>
> port=5900
>
> password=4/jWA+RLaSZe
>
> # Password is valid for 120 seconds.
>
> delete-this-file=1
>
> fullscreen=0
>
> title=testol:%d
>
> toggle-fullscreen=shift+f11
>
> release-cursor=shift+f12
>
> secure-attention=ctrl+alt+end
>
> versions=rhev-win64:2.0-160;rhev-win32:2.0-160;rhel8:7.0-3;rhel7:2.0-6;rhel6:99.0-1
>
> newer-version-url=http://www.ovirt.org/documentation/admin-guide/virt/console-client-resources
>
>
>
> [ovirt]
>
> host=ooeng.tltd.com:443
>
> vm-guid=2b0eeecf-e561-4f60-b16d-dccddfcc852a
>
> sso-token=4Up7TfLLBjSuQgPkQvRz3D-fUGZWZg4ynApe2Y7ylkARCFwQWsfEr3dU8FjlK8esctm3Im4tz80mE1DjrNT3XQ
>
> admin=1
>
> ca=-----BEGIN 
> CERTIFICATE-----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\npTs0KJFNgeVnUhKanB29ONy+tmnUmTAgPMaKKw==\n-----END
>  CERTIFICATE-----\n
>
>
>
>
>
> the firewall list of the host ohost1.tltd.com(192.168.10.160) is:
>
>
>
> [root@ohost1 ~]# firewall-cmd --list-all public (active)
>
>   target: default
>
>   icmp-block-inversion: no
>
>   interfaces: bond0 ovirtmgmt
>
>   sources:
>
>   services: cockpit dhcpv6-client libvirt-tls ovirt-imageio ovirt-vmconsole 
> snmp ssh vdsm
>
>   ports: 22/tcp 6081/udp
>
>   protocols:
>
>   masquerade: no
>
>   forward-ports:
>
>   source-ports:
>
>   icmp-blocks:
>
>   rich rules:
>
>
>
>
>
> Please give me some advice,thanks.

This seems correct, basically, assuming your client correctly resolves
ohost1.tltd.com.

Please check/share relevant logs. Try e.g. to run remote-viewer
manually with --debug and --verbose. Also check with a sniffer
(tcpdump/wireshark) that the client indeed tries to connect to the
correct host. If all looks fine, check with a sniffer on the host that
the connection is accepted, and relevant logs - mainly qemu (in
/var/log/libvirt/qemu), although I am not sure it logs connections by
default.

Good luck and best regards,
-- 
Didi
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