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  1. E

    watchguard firewall and "tcp syn checking failed"

    Hello. I solved it by removing the configuration of the network bridge. Using only container with OpenVZ I have no problems.
  2. E

    watchguard firewall and "tcp syn checking failed"

    Hello everyone. I'm trying to use a Proxmox server in a subnet behind a Watchguard firewall. I can not manage the server's web interface Proxmox. Unfortunately I have the problem that had enabled the firewall control "tcp syn checking" (is a global setting). With tcpdump I see the...

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