怎么配置gadmin-proftpd？

想把iptables 里的一些东西删除,图片如下，想保留一条就行啦，怎么删除多余的。请写出详细步骤，谢谢
我输入:sudo iptables --list 就显示如下：
DROP tcp -- anywhere anywhere tcp flag:FIN,SYN,TST,ACK/SYN #conn/32>70
DROP tcp -- anywhere anywhere tcp flag:FIN,SYN,TST,ACK/SYN #conn/32>70
DROP tcp -- anywhere anywhere tcp flag:FIN,SYN,TST,ACK/SYN #conn/32>70
TCPMSS tcp -- 10.0.0.0/24 anywhere tcp flags:FIN,SYN,RST,ACK/SYN TCPMSS set 1356
TCPMSS tcp -- 10.0.0.0/24 anywhere tcp flags:FIN,SYN,RST,ACK/SYN TCPMSS set 1356
TCPMSS tcp -- 10.0.0.0/24 anywhere tcp flags:FIN,SYN,RST,ACK/SYN TCPMSS set 1356

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