Thanks to the good people on this list, I finally made the jump from dial up to cable last month. At the same time, I set up a small network. So far, we only do connection sharing. All in all, it has gone quite well. Well, sorta...
One of the things that I've noticed is that my messages log is getting crammed with entries from shorewall, growing to 968553 bytes in less than 40 hours of up time. Here is a brief sample from early yesterday morning: Jul 3 02:06:46 localhost kernel: Shorewall:all2all:REJECT:IN=eth0 OUT= MAC= SRC=192.168.1.100 DST=192.168.1.255 LEN=147 TOS=0x00 PREC=0x00 TTL=64 ID=13 DF PROTO=UDP SPT=631 DPT=631 LEN=127 Jul 3 02:07:17 localhost kernel: Shorewall:all2all:REJECT:IN=eth0 OUT= MAC= SRC=192.168.1.100 DST=192.168.1.255 LEN=147 TOS=0x00 PREC=0x00 TTL=64 ID=14 DF PROTO=UDP SPT=631 DPT=631 LEN=127 Jul 3 02:07:48 localhost kernel: Shorewall:all2all:REJECT:IN=eth0 OUT= MAC= SRC=192.168.1.100 DST=192.168.1.255 LEN=147 TOS=0x00 PREC=0x00 TTL=64 ID=15 DF PROTO=UDP SPT=631 DPT=631 LEN=127 Jul 3 02:08:19 localhost kernel: Shorewall:all2all:REJECT:IN=eth0 OUT= MAC= SRC=192.168.1.100 DST=192.168.1.255 LEN=147 TOS=0x00 PREC=0x00 TTL=64 ID=16 DF PROTO=UDP SPT=631 DPT=631 LEN=127 (All of the ensuing messages are identical except for the ID.) I am running Mandriva 10.1. The box is connected to a Linksys WRT54G router via CAT cable using an on-board NIC at the 192.168.1.100 address. The router is connected to a cable modem and then out to the world. Since I am not running any servers here, both shorewall and the Linksys firewall are set up accordingly. There are two other computers connected to the router -- another Mandriva 10.1 box w/shorewall on a hard wired connection, and a miniMac on a wireless connection. The miniMac is restricted to the router's SSID, and the router will only talk to the miniMac's MAC address. Questions: 1. Are these messages worrisome? If so, what measures should I take? 2. If these messages are not indicative of a problem, but rather just part of running an always on connection, can I either dump these messages or have them written someplace else? Your advice is solicited. -- cmg
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