我收到了一封来自 logcheck 的电子邮件，其中包含与 UDP 端口 60059 的许多尝试连接。
This email is sent by logcheck. If you no longer wish to receive
such mail, you can either deinstall the logcheck package or modify
its configuration file (/etc/logcheck/logcheck.conf).
System Events
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Jul 29 04:42:02 myserver kernel: Shorewall:net2fw:DROP:IN=eth0 OUT= MAC=fe:fd:42:e4:26:54:88:43:e1:7c:75:3f:08:00 SRC=91.121.95.131 DST=my.ip.add.ress LEN=171 TOS=0x00 PREC=0x00 TTL=56 ID=0 DF PROTO=UDP SPT=58250 DPT=60059 LEN=151
Jul 29 04:42:03 myserver kernel: Shorewall:net2fw:DROP:IN=eth0 OUT= MAC=fe:fd:42:e4:26:54:88:43:e1:a4:04:ff:08:00 SRC=91.121.95.131 DST=my.ip.add.ress LEN=171 TOS=0x00 PREC=0x00 TTL=56 ID=0 DF PROTO=UDP SPT=58058 DPT=60059 LEN=151
Jul 29 …