1. G

    Problems with opening port on Proxmox Host

    Hello, I've been strugging for days trying to open a port for nginx on a Proxmox host. I've checked that iptables is in use and not nftables as I thought maybe there was some conflict between the two - My way of doing this was "iptables -V" and I received back "iptables v1.8.9 (legacy)" - from...
  2. T

    Out of office replies orginating from own Exchange to external, using DKIM, get blocked by destination

    Hello, Also referring to this post, which seems to concern the same problem: When Exchange (on-premise) sends an out of office (OOF) reply the envelope from (or return path)...
  3. B

    Proxmox, Fibre Channel, and 3PAR

    Hello. So I've gone through what I think are the docs regarding PROXMOX and fibre channel presented LUN's. I'm using an older 3PAR 7200 in my lab, attempting to get shared storage between a PROXMOX cluster. So far, I have a fully operational cluster with a shared NFS volume, which performs...
  4. Y

    Proxmox ignores Firewalling on interface at host level, but accepts at vm level.

    hi, i have a proxmox setup (7.4-3) with 2 seperate physical interfaces. both are conennected to the same LAN segment ( one is bridged to vmbr0 (managment of the host itself) and proxmox has an IP address on that interface. the other network adapter is a usb adapter (bound to...
  5. B

    Newbie questions

    I want to use Proxmox to host a home file server and a few other things, and I'm new to Proxmox. One of my early thoughts was to simply create a directory on the host and for the [Linux] clients to mount it directly from there, either using SSHFS or installing Samba on the host. I got the...
  6. P

    PMG DNS Probleme

    Hi ich hatte seit heute 10 Uhr DNS Probleme denn jeder anfrage bzw Jede IP stand angeblich auf der ZEN.spamhaus liste und auch auf allen anderen. Ich nutze Technitium DNS Server vorher nur ein DC mit DNS. Der NDS auf dem DC leitet jetz alle anfragen die er nicht kennt an den Technitium. Warum...
  7. bbgeek17

    [TUTORIAL] Proxmox VE 7.2 Benchmark: aio native, io_uring, and iothreads

    Hey everyone, a common question in the forum and to us is which settings are best for storage performance. We took a comprehensive look at performance on PVE 7.2 (kernel=5.15.53-1-pve) with aio=native, aio=io_uring, and iothreads over several weeks of benchmarking on an AMD EPYC system with 100G...
  8. R

    Proxmox blocks IP from different networks

    Hello I can't reach my proxmox server from a different network. Let me explain: I have a my proxmox server on an MGMT network with a 172.22.0.X/24 network. On this network I have a pfSense virtual router on which is configured a LAN1 network with a 192.168.1.X/24 network. On pfSense I made the...
  9. K

    Is this a Brute force attack

    i think this is beining brute foced and how can i block this ip addres and al ports
  10. M

    Filterblock mit NDR "Recipient Unknown"

    Hallo Community, ich nutze derzeit eine Regel "BlockUnbekannt" im Mailfilter, die alle Adressen, die nicht aus dem LDAP herauskommen, blocken soll (in Verbindung mit "before queue filtering"). Grundsätzlich funktioniert dies auch, jedoch hätte ich gerne bei diesem speziellen Fall dass der...
  11. S

    How to block port 25 by default and unblock per IP on case basis?

    Hello! Is there any way to block port 25 by default and only open for particular IP whenever I want? I want something like this Block port 25 by default, so even in future a new vm create will have port 25 blocked by default as well. And if I want to unblock the port 25 for a particular vm, I...
  12. T

    [SOLVED] Block a domain name

    Hello Everyone. i tried to add 1 domain to blacklist, I also have a spam blocking rule in & out. but when i send mail from domain in blacklist it doesn't work. So hope someone can help me. Thanks & best regards !!!
  13. J

    Can I add all emails from all connected domains to the whitelist?

    Hello. I do a lot of work on and, so I've made a few adjustments to get emails from just these two domains. Is it possible to block everything else, except emails from these two domains with a whitelist or smth?
  14. R

    [SOLVED] email filter action object "Block" - no 550 to sender? pmg send 250 O.K.

    Hello, I have create some blacklist entry for a test email address and use the default email filter action object "Block". If I send some email from this blocked address, message is blocked correctly but PMG send 250 O.K. to the sender. But email is blocked and dropped from PMG and I can't...
  15. R

    [SOLVED] global blacklist is not working default settings / after reboot rules working maybe a bug

    Hello, I have create a global blacklist rule (default rule). Only move the message to qms and not block. Under "Who Objects" -> "Blacklist" I Add some E-Mail Adress. The Blacklist Rule is by default on the top with Prio 98. If I now send test E-Mail with blocked E-Mailadress, E-Mail will...
  16. J

    Action Object 'Block' returns 250 2.7.0 BLOCKED. Can this be changed?

    Hi, When we use the final action 'Block' in the rules, the following happens: Aug 27 08:27:43 VCS00080 postfix/lmtp[54042]: DF93FE1159: to=<>, relay=[]:10024, delay=4.7, delays=0.21/0/0.04/4.4, dsn=2.7.0, status=sent (250 2.7.0 BLOCKED...
  17. mhagen

    Network card getting: rename4 ? Predictable Network Interface Names

    So i know that most people still have "ethX". But i like the "Predictable Interface Names" and therefore use them. Only my "new" chelsio cc2-n320e-rs dual 10g sfp+ card doens't play nice for some reason? It gives me a "renameX" interface. with is not editable in the GUI and is "random"...
  18. S

    Action Objects - Bounce

    Greetings, I am using Who Objects with LDAP Group - Unknown LDAP address to reject invalid recipients. Today I am using the block action, but better option would be bounce the message, as default MTA behavior. Is there a way to create a bounce action? Thank you
  19. R

    proxmox firewall problem bridges

    Hello everyone, I have a problem with the proxmox firewall. i have activated it on the proxmox host and on all containers. all works fine. one container have no public ip-adress and use the proxmox host for dns resolv (internet access). if i activated the proxmox firewall on the container i...


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