Sophos SG - Blocking a specific internal URL (Exchange ECP) from outside
On-premises Exchange works fine with the WAF if you follow https://support.sophos.com/support/s/article/KB-000038003?language=en_US , but when customers switch to using Teams, I have issues with the Calendar synchronisation between the on-premise Exchange…
RE: Why is office365 mail send receive very slow?
Looking thru the logs in the firewall and IPS it seems that the IPS and FW was flagging the 443 attempt as a ICMP attack.
I made Manual Rule Modification exceptions to the rules in Intrusion Prevention. no avail. they didn't work. even shut it off still…