• DHCP lost to all devices except one vlan

    Reem Jalal Eddine
    Reem Jalal Eddine
    hi i previously posted a question on how to migrate trunk vlans from one port to another mew port for lag configuration. Once i did the transfer we lost connection with dhcp all clients cannot get ip address but once they get a static ip the communication…
    • 5 hours ago
    • Sophos Firewall
    • Discussions
  • SSL Medium Strength Cipher Suites Supported CBC mode Enabled

    Akash
    Akash
    How i can disable CBC mode and chacha20 affected algorithms and enable CTR or GCM cipher mode encryption.
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • clientless sftp

    Reem Jalal Eddine
    Reem Jalal Eddine
    i have configured a clientless sftp policy that contains the bookmark and the bookmark contains the private and public key along with server information. I created a user on our portal and allowed it to use this policy. I did on the side another rdp policy…
    • 9 days ago
    • Sophos Firewall
    • Discussions
  • [Feature request] 802.1p support for PPPoE/VLAN interfaces

    Samuel Leal
    Samuel Leal
    Hello, I'm seeing more and more ISPs asking for CPE P-bit setting for their connections. As far as i know, Sophos Firewalls still doesn't support this forcing us to use a bridged router supporting this feature in front of the Sophos FW. Please consider…
    • 17 days ago
    • Sophos Firewall
    • Discussions
  • Configuration of IP TVs on Sophos Firewal

    Janith Bandara
    Janith Bandara
    I got a Sophos XGS126 on a customer site and I need to configure 7 IP TVs. I need assistant to configure those TVs. Since the TVs using multicast addresses is it possible to configure these without multicast addresses because ISP said that configure TVs…
    • 26 days ago
    • Sophos Firewall
    • Discussions
  • DHCP reservation

    RobertoR
    RobertoR
    I have a few subnets, and all of them have a dhcp server/pool range for specific range. A few of them have a IP reservation (bind mac to IP address). The error/strange behavior I get is if the MAC address is in list for reservation in any of the dhcp…
    • Answered
    • 28 days ago
    • Sophos Firewall
    • Discussions
  • Lots of discarded IPv6 packets in firewall log.

    JohnHilton
    JohnHilton
    Hi all, Started to have this issue the last day in the office 30mins before i left for the weekend. Basically our network has been going very slow and i have lots of this in the firewall..... like non stop. Am i right to believe fe80: is internally…
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Unconfigured VoIP Functionality on XGS 116 – Assistance Needed

    John Spurlock
    John Spurlock
    I am reaching out regarding an XGS 116 recently purchased by a client. Interestingly, VoIP functionality—both inbound and outbound—is fully operational without any specific configurations applied to the device for the VoIP provider. There are currently…
    • Answered
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Adding MAC ranges to a MAC list

    Sobhi Abufool
    Sobhi Abufool
    Hi, I have a proxmox hypervisor I use it to spin up VMs and LXC containers, and I use MAC addresses to enforce some rules on my Sophos firewall. how can I add a MAC range so all the new VMs that have random generated MAC addresses (under the same vendor…
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • PABX and SIP cant ping my sophos in

    Jasper Dredd Guibani
    Jasper Dredd Guibani
    I’m currently facing some connectivity challenges with my network setup. My PABX and SIP systems are working fine—they respond to ping requests, so they’re definitely online. However, I can’t seem to get any incoming connections from the PABX to my Sophos…
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Invalid Traffic - specifically using web browser, not via nmap

    jon_hall
    jon_hall
    Hi all, i have had a look at the Invalid Traffic page but as stated at the bottom doesnt resolve the issue, just reduces the number of logged entries My setup is as follows Core network is TPLink Omada (Manages the vlans) Sophos setup: Port1 …
    • 1 month ago
    • Sophos Firewall
    • Discussions
  • Sophos XG resolves external Domains even no external DNS server is configured

    dishorned
    dishorned
    Hey Guys, I am using the Sophos XG as DHCP server which provides two DNS servers. One is a Pihole and the other one is the SophosXG itself. So normally the devices should resolve internal and external domains via Pihole, but when it is not available…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • NS300 Not Reachable from Sophos XG4500, but Can Call Outside

    Jasper Dredd Guibani
    Jasper Dredd Guibani
    Hi everyone! I’m facing a puzzling connectivity issue in my PABX setup. My NS300 cannot be pinged from my Sophos XG4500 when my SIP router is connected to the core switch. However, I can still make calls outside, which adds to the confusion. Coreswitch…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS is not compatible with VLAN ID 0 (Null VID) frames as defined in 802.1Q

    Jonathon Bauer
    Jonathon Bauer
    TLDR - IEEE 802.1Q reserves VLAN ID 0 for a special purpose. Sophos XGS firewalls do not implement this special purpose correctly, preventing communication with some ISP Gateway modems. The request for proper implementation of VLAN ID 0 handling is being…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • SFOS 20.0.1 MR-1-Build342 DHCP not working

    Sebastian_Wi
    Sebastian_Wi
    Hello, I've added a DHCP-Server for an interface on my XG. The interface is an RED-VLAN-Interface and ping from the switch is working. An Accesspoint connected to the switch did not get an IP-Adresse. Today we found out, that we have the same problem…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Sophos XGS 116w - DNS Request Route

    Clawcity
    Clawcity
    A customer site has a 2nd gateway that is required to access one of their vendor's systems. Our Sophos XGS has static routes in place to direct any traffic intended for the vendor network to the 2nd router. Rather than adding host entries for the vendor…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Interface counters for WAN interface in Sophos firewall

    Firewall Monitoring
    Firewall Monitoring
    HI How can i check the interface counters for WAN interfaces in the Sophos firewall ?
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Sophos Firewall Dynamic DDNS failed to connect FreeDNS

    Wepee
    Wepee
    Hi, I have set up a free account with FreeDNS. My public IP address is pointing to the correct subdomain.mooo.com However, I have a query about the hostname, SF only accept: subdomain.mooo.com. But in order to work, you need to include the update…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • WAN ALIAS

    SatyabrataB
    SatyabrataB
    Hi, we have the below IP series in Wan port and alias, all tunnel services are running. now ISP is providing a new alias /29 subnets with different IP series if we add a new alias /29 subnets with the existing setup it will work or not. - Port…
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • DNS over HTTPS and TLS.

    rfcat_vk
    rfcat_vk
    Hi folks, a question about XG ability to decode DNS over HTTPS and TLS, can the current version of XG decode DNS requests sent to it using HTTPS or than TLS? Ian
    • Answered
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • blocked requests for short-TTL wildcard DNS FQDN

    LHerzog
    LHerzog
    Currently I have some trouble providing Firewall access to some load balanced CDN services on Akamai Servers, where the corresponding DNS names have short TTL's when using wildcard FQDN like *.docusign.net when the URL accesses will be demo.docusign.net…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • How do I enable Subinterfaces for a Trunk?

    Kai Lamker
    Kai Lamker
    Hello all, I'm used to another known firewall vendor but I decided to give this for my home network a try since the other solution is way too expensive. My goal is to use a single link between my switch and my Sophos appliance so I do not need lots…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Port scan detection internal network

    @wajdiaa
    @wajdiaa
    Hi, Is there any option to detect internal network port scans from within the network or networks? Like for example using nmap or netcat or others from inside the local network, not from a wan source. I'm posting this in endpoint as well. Thanks…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • Huawei 3372 LTE stick not working in SFOS 20.0.2 MR-2-Build378

    Steven Lew
    Steven Lew
    Hi everyone, I am using a Huawei 3372 LTE stick on my SG-125 with SFOS for a couple years now. It is configured in DHCP mode as a failover WAN connection when the main connection goes down. Up until now this worked as intended but after upgrading the…
    • 2 months ago
    • Sophos Firewall
    • Discussions
  • VoIP Traffic Through Secondary WAN Port

    daniel_schmidt
    daniel_schmidt
    Hi All. Firstly, thank you for your time to help! Let me give you a quick breakdown of my network and then I will explain what I am trying to do. I have a XGS 2100 running on v20 SFOS. I have 2 ISP connections, a primary and a backup. (I have set…
    • 2 months ago
    • Sophos Firewall
    • Discussions
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