About the port shutdown--linux

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Citation derived from: http://bbs.chinaunix.net/thread-775649-1-1.html

1. Turn off Service service services stop

Netstat-ntlp

Kill-9 PID

2. Use of two methods

1.PS Aux|grep Port

Kill-9 PID

2.iptables-i input-p TCP--dport port number-j DROP

3. View the Service

grep 8080/etc/services

wangyl1977   published 2006-6-18 19:21 grep 8080/etc/services webcache         8080/tcp                        # WWW Caching service webcache     & nbsp;  8080/udp                     & nbsp  # WWW Caching Service [quote] Original post by   Span style= "Word-wrap:break-word" >wumu888   published on 2006-6-18 18:54 [/quote] It's just a "Service_name/protocol & Port" comparison. If you change the Apache listen port to 12345, then NETSTAT-LP will see that port 12345 is listening If you add a 12345 port description in the/etc/services, the previous comment is platinum, then NETSTAT-LP will become the Platinum service. If you use Iptables to do a DROP on the port, IPTABLES-VL will see the same effect. This is defined in/etc/nsswitch.conf, service parsing using files This feature belongs to/lib/libnss_files.so.1 and/lib/libnss_files.so.2 About/etc/services There are a lot of people misunderstand, think that delete/Add a row of data, you can turn off/open a service, this is wrong concept, I say here