[PVE-User] external VNC connection problem

Muhammad Yousuf Khan sirtcp at gmail.com
Thu May 16 13:47:33 CEST 2013

i am using external VNC by following official proxmox document. from TLC
connection howto.

here is my pve detail

pve-manager: 2.3-13 (pve-manager/2.3/7946f1f1)
running kernel: 2.6.32-19-pve
proxmox-ve-2.6.32: 2.3-96
pve-kernel-2.6.32-19-pve: 2.6.32-96
lvm2: 2.02.95-1pve2
clvm: 2.02.95-1pve2
corosync-pve: 1.4.4-4
openais-pve: 1.1.4-2
libqb: 0.10.1-2
redhat-cluster-pve: 3.1.93-2
resource-agents-pve: 3.9.2-3
fence-agents-pve: 3.1.9-1
pve-cluster: 1.0-36
qemu-server: 2.3-20
pve-firmware: 1.0-21
libpve-common-perl: 1.0-49
libpve-access-control: 1.0-26
libpve-storage-perl: 2.3-7
vncterm: 1.0-4
vzctl: 4.0-1pve2
vzprocps: 2.0.11-2
vzquota: 3.1-1
pve-qemu-kvm: 1.4-10
ksm-control-daemon: 1.1-1

i put this line

5000 stream tcp nowait root /usr/sbin/qm qm vncproxy 105

here is my telnet result

root at virt-dev:/var/log# telnet 10.x.x.13 5000
Trying 10.x.x.13...
Connected to 10.x.x.13.
Escape character is '^]'.
RFB 003.008

as document says it is fine if i see the above result. now when i try to
connect via TightVNC it is saying.

Connection established
status:list of security type received.
TightVNC info error message window shows
server did not offer supported security type!.

when using RealVNC it says
(at first it was showing RFB blah blah error now i dont now what i have
change in settings so it is showing this)
Unable to connect to VNC server using your chosen security setting. either
upgrade VNC server to a more recent version from RealVNC or select a weaker
level of encryption.

can anyone please confirm why and what it is saying ?
obviously one thing i can get from the inetd.conf command that password is
missing when so when i add the password at the end of the line it gave me
400 error with wrong arguments msg when telnet the port.

please help.

Thanks you,


however there is one thing missing, Password.
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