找个高手帮我看看日志文件，看出了什么问题。

chengxi

Mar  2 14:38:12 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:14 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:14 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:15 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:17 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:28 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:30 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:30 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 14:38:30 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 15:00:05 brazilfw daemon.info thttpd[938]: up 327605 seconds, stats for 3600 seconds:
Mar  2 15:00:05 brazilfw daemon.info thttpd[938]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 2 httpd_conns allocated
Mar  2 15:00:05 brazilfw daemon.info thttpd[938]:   libhttpd - 35 strings allocated, 9000 bytes (257.143 bytes/str)
Mar  2 15:00:05 brazilfw daemon.info thttpd[938]:   map cache - 2 allocated, 0 active (0 bytes), 2 free; hash size: 1024; expire age: 1800
Mar  2 15:00:05 brazilfw daemon.info thttpd[938]:   fdwatch - 730 polls (0.202778/sec)
Mar  2 15:00:05 brazilfw daemon.info thttpd[938]:   timers - 3 allocated, 3 active, 0 free
Mar  2 15:35:49 brazilfw user.warn kernel: NET: 2 messages suppressed.
Mar  2 15:35:49 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 15:35:50 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 15:35:50 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 16:00:05 brazilfw daemon.info thttpd[938]: up 331205 seconds, stats for 3600 seconds:
Mar  2 16:00:05 brazilfw daemon.info thttpd[938]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 2 httpd_conns allocated
Mar  2 16:00:05 brazilfw daemon.info thttpd[938]:   libhttpd - 35 strings allocated, 9000 bytes (257.143 bytes/str)
Mar  2 16:00:05 brazilfw daemon.info thttpd[938]:   map cache - 2 allocated, 0 active (0 bytes), 2 free; hash size: 1024; expire age: 1800
Mar  2 16:00:05 brazilfw daemon.info thttpd[938]:   fdwatch - 730 polls (0.202778/sec)
Mar  2 16:00:05 brazilfw daemon.info thttpd[938]:   timers - 3 allocated, 3 active, 0 free
Mar  2 17:00:05 brazilfw daemon.info thttpd[938]: up 334805 seconds, stats for 3600 seconds:
Mar  2 17:00:05 brazilfw daemon.info thttpd[938]:   thttpd - 0 connections (0/sec), 0 max simultaneous, 0 bytes (0/sec), 2 httpd_conns allocated
Mar  2 17:00:05 brazilfw daemon.info thttpd[938]:   libhttpd - 35 strings allocated, 9000 bytes (257.143 bytes/str)
Mar  2 17:00:05 brazilfw daemon.info thttpd[938]:   map cache - 2 allocated, 0 active (0 bytes), 2 free; hash size: 1024; expire age: 1800
Mar  2 17:00:05 brazilfw daemon.info thttpd[938]:   fdwatch - 730 polls (0.202778/sec)
Mar  2 17:00:05 brazilfw daemon.info thttpd[938]:   timers - 3 allocated, 3 active, 0 free
Mar  2 17:05:08 brazilfw user.warn kernel: ip_conntrack: table full, dropping packet.
Mar  2 17:38:15 brazilfw daemon.info thttpd[938]: spawned CGI process 3753 for file 'cgi-bin/index.cgi'
Mar  2 17:38:25 brazilfw daemon.info thttpd[938]: spawned CGI process 3944 for file 'cgi-bin/sfirewall.cgi'
Mar  2 17:38:29 brazilfw daemon.info thttpd[938]: spawned CGI process 4058 for file 'cgi-bin/qos.cgi'
Mar  2 17:38:34 brazilfw daemon.info thttpd[938]: spawned CGI process 4103 for file 'cgi-bin/editconf.cgi'
Mar  2 17:38:43 brazilfw daemon.info thttpd[938]: spawned CGI process 4150 for file 'cgi-bin/diags.cgi'
Mar  2 17:38:47 brazilfw daemon.info thttpd[938]: spawned CGI process 4191 for file 'cgi-bin/diags.cgi'