I am getting Jan 24 02:15:25 wr kernel: ''OUT-world':'IN= OUT=eth0 SRC=10.13.88.1 DST=224.0.0.251 LEN=69 TOS=0x00 PREC=0x00 TTL=255 ID=1 DF PROTO=UDP SPT=33633 DPT=5353 LEN=49 UID=0 since I installed avahi, a zeroconf implementation. Did somebody already develop firehol rules for zeroconf? -- Wolfgang