Today the CSF firewall on one of our servers controlled by DirectAdmin started showing blocked outgoing UDP connections to 216.82.176.7 on ports 25, 80 and 443. kernel: Firewall: *UDP_OUT Blocked* IN= OUT=eth0 SRC=X.X.X.X \ DST=216.82.176.7 LEN=1421 TOS=0x00 PREC=0x00 TTL=64 ID=12594 \ DF PROTO=UDP SPT=39792 DPT=80 LEN=1401 kernel: Firewall: *UDP_OUT Blocked* IN= OUT=eth0 SRC=X.X.X.X \ DST=216.82.176.7 Read the full article…