[PVE-User] Proxmox disable TLS 1

Ian Coetzee proxmox at iancoetzee.za.net
Thu Jul 26 13:22:47 CEST 2018


Hi All,

I know this has been answered.

What I did was to drop a reverse proxy (nginx) in front of pveproxy
listening on port 443 then make the needed changes in the nginx config

Makes my life way easier :)

On 26 July 2018 at 11:38, Thomas Lamprecht <t.lamprecht at proxmox.com> wrote:

> Am 07/26/2018 um 11:30 AM schrieb Brent Clark:
>
>> Thanks for replying
>>
>> Interesting, I do not have that file / package.
>>
>>
> Just create it, it's not there by default but gets considered by
> pveproxy - if there. And pveproxy resides in the pve-manager package
>
> root at chs-vmh01 ~ # dpkg -l | awk '/pve-/{print $2" "$3}'
>>
>
> Not all our packages begin with pve, e.g. qemu-server, novnc-pve, etc.
>
> Use `pveversion -v` to get a list of all packages directly relevant to
> PVE and it's version quickly, can also be found in the Web UI (Node ->
> Summary -> Package versions)
>
> cheers,
> Thomas
>
>
>
>> snippet
>>
>> pve-cluster 5.0-28
>> pve-container 2.0-24
>> pve-docs 5.2-4
>> pve-edk2-firmware 1.20180612-1
>> pve-firewall 3.0-13
>> pve-firmware 2.0-5
>> pve-ha-manager 2.0-5
>> pve-i18n 1.0-6
>> pve-kernel-4.15 5.2-4
>> pve-kernel-4.15.15-1-pve 4.15.15-6
>> pve-kernel-4.15.17-1-pve 4.15.17-9
>> pve-kernel-4.15.17-3-pve 4.15.17-14
>> pve-kernel-4.15.18-1-pve 4.15.18-15
>> pve-libspice-server1 0.12.8-3
>> pve-manager 5.2-5
>> pve-qemu-kvm 2.11.2-1
>> pve-xtermjs 1.0-5
>>
>> Regards
>> Brent
>>
>>
>> On 26/07/2018 11:22, Thomas Lamprecht wrote:
>>
>>> Hi,
>>>
>>> Am 07/26/2018 um 11:05 AM schrieb Brent Clark:
>>>
>>>> Good day Guys
>>>>
>>>> I did a sslscan on my proxmox host, and I got the following:
>>>>
>>>> snippet:
>>>> Preferred TLSv1.0  256 bits  ECDHE-RSA-AES256-SHA          Curve P-256
>>>> DHE 256
>>>> Accepted  TLSv1.0  256 bits  DHE-RSA-AES256-SHA            DHE 2048 bits
>>>> Accepted  TLSv1.0  256 bits  DHE-RSA-CAMELLIA256-SHA       DHE 2048 bits
>>>> Accepted  TLSv1.0  256 bits  AES256-SHA
>>>> Accepted  TLSv1.0  256 bits  CAMELLIA256-SHA
>>>> Accepted  TLSv1.0  128 bits  ECDHE-RSA-AES128-SHA          Curve P-256
>>>> DHE 256
>>>> Accepted  TLSv1.0  128 bits  DHE-RSA-AES128-SHA            DHE 2048 bits
>>>> Accepted  TLSv1.0  128 bits  DHE-RSA-SEED-SHA              DHE 2048 bits
>>>> Accepted  TLSv1.0  128 bits  DHE-RSA-CAMELLIA128-SHA       DHE 2048 bits
>>>> Accepted  TLSv1.0  128 bits  AES128-SHA
>>>> Accepted  TLSv1.0  128 bits  SEED-SHA
>>>> Accepted  TLSv1.0  128 bits  CAMELLIA128-SHA
>>>>
>>>> I need to remove / disable TLSv1.0. Google has not been able to be of
>>>> much help, for I get suggestions to edit
>>>> /usr/bin/pveproxy and /etc/default/pveproxy and the list goes on.
>>>>
>>>>  > Can someone suggest how to fix this issue.
>>>
>>> Ah yes, I posted a possible quick solution for this in the forum a bit
>>> ago [0].
>>>
>>> Edit /etc/default/pveproxy to have a line with:
>>>
>>> CIPHERS="HIGH:!TLSv1:!SSLv3:!aNULL:!MD5"
>>>
>>> then
>>> systemctl restart pveproxy
>>>
>>> and you should be good to go :-)
>>>
>>> cheers,
>>> Thomas
>>>
>>> [0]: https://forum.proxmox.com/threads/disabling-tls-1-0-and-1-1-
>>> in-proxmox.35814/#post-175643
>>>
>>>
>>>
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>>
>
>
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