Recent content by danielb

  1. D

    How to disable anonymous relay to the Intranet

    Check your SPF is correctly setup with an online tool, eg https://dmarcadvisor.com/fr/spf-check/
  2. D

    Shared LVM on iSCSI: how safe is it?

    Thin LVM (which allows thin prov and snapshots) is very different from thick LVM, and can't be shared by nature. So only thick is available if you want to share it between nodes
  3. D

    Shared LVM on iSCSI: how safe is it?

    Shared LVM over iSCSI might have its drawbacks (mainly, no thin provisioning and no snapshots), but I wouldn't worry about its production ready status. Probably one of the most solid storage option
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    How to disable anonymous relay to the Intranet

    And that's the expected behavior. Now, to protect you from this sender address spoofing, you need to setup SPF/DKIM/DMARC
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    How to disable anonymous relay to the Intranet

    Nope, I dont understand your concern. Everybody can send an email to your inbox, and the only way to reach your inbox from the outside should be though your PMG. It only adds a security layer.
  6. D

    How to disable anonymous relay to the Intranet

    That's how email works : anybody can send emails to your mailbox. And that's the reason pmg exists : limit the risk of receiving spam and orher unwanted email
  7. D

    How to disable anonymous relay to the Intranet

    As long as the destination domain is in the relay domain list, yes (and if the backend server validates the destination mailbox is valid too)
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    I tired PBS. Not convinced.

    I run PBS on a tiny fanless qotom box, with two external disks on an USB3 enclosure (using zfs mirror). Nothing but consumer grade hardware. It's rock solid
  9. D

    Performance in OVH : Vm's on NAS-HA or Vm's on CAD

    Last time I tried (5 years ago), performance of cda was so bad that I migrated to nas-ha
  10. D

    How do I assign multiple vlans to a VM?

    No, you don't
  11. D

    How do I assign multiple vlans to a VM?

    Yes, my bridge is visible in proxmox network settings (although I configured it manually in /etc/network/interfaces). There's nothing particular to do. If it doesn't work, you'll have to investigate (tcpdump at various levels to see where the communication is lost)
  12. D

    How do I assign multiple vlans to a VM?

    Yes, vmbr0 should be vlan aware. And once done, you can configure standard VLAN in the guest OS (I'm using it on PfSense and OPNSense to handle tens of isolated zones, with a single interface)
  13. D

    How do I assign multiple vlans to a VM?

    You can do this from the command line, with qm, eg qm set 100 -net1 "virtio=CA:85:82:35:28:62,bridge=vmbr0,trunks=10-20;30" Will pass VLAN from 10 to 20, and also 30 on the nic net1 of the guest with ID 100
  14. D

    Cluster getting really ssssllllloooooowwwwww :-(((((((((((((((((((((((((

    Sequential read/write numbers aren't that relevant. IOPS and, even more, sync writes matters.
  15. D

    Cluster getting really ssssllllloooooowwwwww :-(((((((((((((((((((((((((

    This will depend on your SSD model. You need to use DC grade SSD to get decent perf with Ceph
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