Howto combine 'Match known users' and 'Block clients with no heartbeat'

I could not figure out the details about traffic matching critera and further filtering within firewall rules. Can someone clarify what will happen if you select "Match known users" and "Block clients...
IPS problem "OS-LINUX Linux Kernel Netfilter iptables-restore Stack-based Buffer Overflow"

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...
question about blocking user AD Windows server through Sophos Firewall

Good afternoon, I have a Sophos firewall that is integrated with a Windows Server Active Directory.Can a domain user be blocked from browsing the Internet through Sophos, but allow the computer they use...
IPsec server communication problem.

Good morning. I am having problems with a server when accessing remote servers through an IPsec tunnel. SITE A has to access SITE B's servers and vice versa The problem is that for approximately...
Various issues with DNS connection servers in Canada

I'm having 2 ongoing issues with DNS protection in Canada. 1: a lookup on a site fails sporadically by the Sophos dns servers. Have an open ticket for a month. Other dns servers or dns protection products...