25540端口是做何用的?
发表于 : 2007-10-22 23:38
今天下午发现,有很多IP访问我的25540端口(UDP和TCP),并且还在继续。我的机器没有开放这个端口,但我想搞清楚,为什么有这么多机器访问这个端口?
另外,刚才内存一路飙升,当时正在浏览网页、使用Mplayer看电影、运行Gaim和EVA。当关掉所有正在运行程序后,系统恢复正常。
是否有被攻击的可能?我很怀疑,但是我对系统做了安全防护,没有任何远程服务,并且所有账号都设有16位的密码。
我的系统:Ubuntu 7.04 Feisty
使用netstat -anp查看端口信息如下:
系统日志:
Firestarter日志:
另外,刚才内存一路飙升,当时正在浏览网页、使用Mplayer看电影、运行Gaim和EVA。当关掉所有正在运行程序后,系统恢复正常。
是否有被攻击的可能?我很怀疑,但是我对系统做了安全防护,没有任何远程服务,并且所有账号都设有16位的密码。
我的系统:Ubuntu 7.04 Feisty
使用netstat -anp查看端口信息如下:
代码: 全选
udp 0 0 0.0.0.0:32768 0.0.0.0:* -
udp 0 0 0.0.0.0:33327 0.0.0.0:* 9828/eva
udp 0 0 0.0.0.0:33328 0.0.0.0:* 9828/eva
udp 0 0 0.0.0.0:68 0.0.0.0:* -
udp 0 0 0.0.0.0:68 0.0.0.0:* -
udp 0 0 0.0.0.0:5353 0.0.0.0:*
代码: 全选
Oct 22 23:26:00 localbook kernel: [16523.200000] Inbound IN=eth0 OUT= MAC=00:16:d3:b7:0a:65:00:12:43:a9:94:bf:08:00 SRC=116.14.88.64 DST=116.76.44.227 LEN=90 TOS=0x00 PREC=0x00 TTL=108 ID=40614 PROTO=UDP SPT=24563 DPT=25540 LEN=70
Oct 22 23:28:50 localbook kernel: [16693.200000] Inbound IN=eth0 OUT= MAC=00:16:d3:b7:0a:65:00:12:43:a9:94:bf:08:00 SRC=123.217.205.192 DST=116.76.44.227 LEN=90 TOS=0x00 PREC=0x00 TTL=111 ID=34212 PROTO=UDP SPT=11093 DPT=25540 LEN=70
Oct 22 23:29:45 localbook kernel: [16748.044000] Inbound IN=eth0 OUT= MAC=00:16:d3:b7:0a:65:00:12:43:a9:94:bf:08:00 SRC=121.7.216.53 DST=116.76.44.227 LEN=90 TOS=0x00 PREC=0x00 TTL=109 ID=6786 PROTO=UDP SPT=15757 DPT=25540 LEN=70
Oct 22 23:31:07 localbook kernel: [16829.360000] Inbound IN=eth0 OUT= MAC=00:16:d3:b7:0a:65:00:12:43:a9:94:bf:08:00 SRC=83.49.192.200 DST=116.76.44.227 LEN=126 TOS=0x00 PREC=0x00 TTL=113 ID=42641 PROTO=UDP SPT=20339 DPT=25540 LEN=106
Firestarter日志:
代码: 全选
Time:Oct 22 21:30:12 Direction: Unknown In:eth0 Out: Port:33180 Source:219.133.38.43 Destination:116.76.44.227 Length:204 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 21:34:50 Direction: Unknown In:eth0 Out: Port:25540 Source:221.198.180.102 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 21:40:23 Direction: Unknown In:eth0 Out: Port:25540 Source:83.49.192.53 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 21:40:25 Direction: Unknown In:eth0 Out: Port:25540 Source:61.197.144.144 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 21:43:53 Direction: Unknown In:eth0 Out: Port:25540 Source:87.62.108.58 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 21:48:46 Direction: Unknown In:eth0 Out: Port:25540 Source:123.217.205.192 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 21:58:49 Direction: Unknown In:eth0 Out: Port:25540 Source:83.49.192.53 Destination:116.76.44.227 Length:126 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:03:56 Direction: Unknown In:eth0 Out: Port:25540 Source:87.62.108.58 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:08:47 Direction: Unknown In:eth0 Out: Port:25540 Source:123.217.205.192 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:10:01 Direction: Unknown In:eth0 Out: Port:25540 Source:202.126.96.214 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:13:53 Direction: Unknown In:eth0 Out: Port:25540 Source:117.48.29.134 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 22:20:36 Direction: Unknown In:eth0 Out: Port:25540 Source:83.49.192.53 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:20:36 Direction: Unknown In:eth0 Out: Port:25540 Source:61.197.144.144 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:24:01 Direction: Unknown In:eth0 Out: Port:25540 Source:87.62.108.58 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:26:01 Direction: Unknown In:eth0 Out: Port:25540 Source:117.48.29.134 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 22:28:49 Direction: Unknown In:eth0 Out: Port:25540 Source:123.217.205.192 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:28:53 Direction: Unknown In:eth0 Out: Port:25540 Source:83.49.192.53 Destination:116.76.44.227 Length:126 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:31:53 Direction: Unknown In:eth0 Out: Port:25540 Source:117.48.29.134 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 22:32:48 Direction: Unknown In:eth0 Out: Port:2967 Source:116.118.192.240 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 22:40:37 Direction: Unknown In:eth0 Out: Port:25540 Source:83.49.192.53 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:40:40 Direction: Unknown In:eth0 Out: Port:25540 Source:61.197.144.144 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:43:08 Direction: Unknown In:eth0 Out: Port:25540 Source:117.48.29.134 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 22:44:07 Direction: Unknown In:eth0 Out: Port:25540 Source:87.62.108.58 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:48:48 Direction: Unknown In:eth0 Out: Port:25540 Source:123.217.205.192 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:50:32 Direction: Unknown In:eth0 Out: Port:25540 Source:82.173.90.124 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:55:11 Direction: Unknown In:eth0 Out: Port:33180 Source:219.133.60.16 Destination:116.76.44.227 Length:92 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 22:55:33 Direction: Unknown In:eth0 Out: Port:25540 Source:117.48.29.134 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 22:56:24 Direction: Unknown In:eth0 Out: Port:33180 Source:219.133.60.16 Destination:116.76.44.227 Length:92 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 23:00:43 Direction: Unknown In:eth0 Out: Port:25540 Source:83.49.192.200 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 23:04:11 Direction: Unknown In:eth0 Out: Port:25540 Source:87.62.108.58 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 23:04:21 Direction: Unknown In:eth0 Out: Port:25540 Source:58.25.92.140 Destination:116.76.44.227 Length:64 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 23:05:55 Direction: Unknown In:eth0 Out: Port:25540 Source:116.14.88.64 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 23:06:30 Direction: Unknown In:eth0 Out: Port:25540 Source:58.25.92.140 Destination:116.76.44.227 Length:64 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 23:08:50 Direction: Unknown In:eth0 Out: Port:25540 Source:123.217.205.192 Destination:116.76.44.227 Length:90 TOS:0x00 Protocol:UDP Service:Unknown
Time:Oct 22 23:08:59 Direction: Unknown In:eth0 Out: Port:25540 Source:58.25.92.140 Destination:116.76.44.227 Length:64 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 23:10:30 Direction: Unknown In:eth0 Out: Port:25540 Source:117.48.29.134 Destination:116.76.44.227 Length:48 TOS:0x00 Protocol:TCP Service:Unknown
Time:Oct 22 23:10:44 Direction: Unknown In:eth0 Out: Port:25540 Source:58.25.92.140 Destination:116.76.44.227 Length:64 TOS:0x00 Protocol:TCP Service:Unknown