linux下如何屏蔽掉端口号，或者释放端口号，这2者有什么区别吗？
在linux下，需要释放掉其中一个进程他所占的端口号，但是不希望kill掉改进程号，例如：lsof -i:57003
COMMAND PIDUSER FD TYPE DEVICE SIZE NODE NAME
SRAgent2536 weixm 96uIPv4 301146196 TCP suse10t135.site:57003->suse10t135.site:41476 (ESTABLISHED)
BMCI 24651 weixm176uIPv4 301146195 TCP suse10t135.site:41476->suse10t135.site:57003 (ESTABLISHED)
lsof -i:38004
COMMAND PIDUSER FD TYPE DEVICE SIZE NODE NAME
SRAgent 2536 weixm 72uIPv4 301145985 TCP suse10t135.site:54555->suse10t135.site:38004 (ESTABLISHED)
SRAgent 2536 weixm 73uIPv4 301145986 TCP suse10t135.site:54556->suse10t135.site:38004 (ESTABLISHED)
SCPProxy 2444 weixm 49uIPv4 301145987 TCP suse10t135.site:38004->suse10t135.site:54555 (ESTABLISHED)
SCPProxy 2444 weixm 50uIPv4 301145991 TCP suse10t135.site:38004->suse10t135.site:54556 (ESTABLISHED)
我想要中断SRAgent跟SCPProxy的连接，但又不希望kill掉SRAgent和SCPProxy进程的pid号，因为SRAgent和BMCI进程要保持连接状态；
所以希望释放掉SRAgent跟SCPProxy连接的端口号，让他们不在进行连接状态下；
这样可以用哪种linux指令进行操作？？求教 用Firewall应该可以。
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