• SDWAN and Loopback NAT
    Bart van der Horst
    Hi, I've got the following case on a customer site: Internal webserver on LAN, needs to be accessed from same or different internal LAN on the external IP, normally I use a loopback NAT rule and this...
  • IPS problem "OS-LINUX Linux Kernel Netfilter iptables-restore Stack-based Buffer Overflow"
    Charlie Dodd
    Hi All, hope you can help. Ive recently been getting a lot of alerts with this as can be seen in the image below. searching with some of the IP addresses on greynoise it shows it as commonly seen and...
  • IPS-Policy, Portscan/NMAP blocken
    Mike Ullrich1
    Hi Zusammen, ich hadere gerade damit, das IPS einer Sophos so einzurichten, dass sie einen Portscan blockiert, oder zumindest überhaupt mal erkennt. Meine Richtline hat einen Smartfilter "nmap...
  • DMZ Configuration
    Geoffrey Njoga
    Hello Team. I recently deployed a sophos xgs 3300 firewall. I am very green in regards to the firewall but I have managed to set it up and get the LAN and remote sites to access the network services. The...
  • Problem with VLAN configuration SOPHOS, PROXMOX
    Dominik Potocki
    Hi. I have a problem with receiving network traffic in PROXMOX_DMZ. I want two networks to be available in this PROXMOX_DMZ: 1. DMZ NETWORK 2. DMZ VLAN 1721 My devices and the connections between them...