55 lines
2.0 KiB
Bash
Executable File
55 lines
2.0 KiB
Bash
Executable File
#!/bin/bash
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chan=pride
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chan_pre=$chan'_pre'
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chan_forward=$chan'_forward'
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chan_post=$chan'_post'
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to=192.168.122.245
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to_port=3389
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from=10.69.115.207
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from_port=19520
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## 清空 引用
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sudo iptables -t nat -nvL PREROUTING --line-number | awk -F ' ' 'BEGIN{c=0} /'${chan_pre}'/ {printf "%s %s %s\n",c, $1,$4;system("sudo iptables -t nat -D PREROUTING "$1-c);c++}'
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sudo iptables -t filter -nvL FORWARD --line-number | awk -F ' ' 'BEGIN{c=0} /'${chan_forward}'/ {printf "%s %s %s\n",c, $1,$4;system("sudo iptables -t filter -D FORWARD "$1-c);c++}'
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sudo iptables -t nat -nvL POSTROUTING --line-number | awk -F ' ' 'BEGIN{c=0} /'${chan_post}'/ {printf "%s %s %s\n",c, $1,$4;system("sudo iptables -t nat -D POSTROUTING "$1-c);c++}'
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## 清空自定义链
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sudo iptables -t nat -F $chan_pre
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sudo iptables -t filter -F $chan_forward
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sudo iptables -t nat -F $chan_post
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## 删除自定义链
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sudo iptables -t nat -X $chan_pre
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sudo iptables -t filter -X $chan_forward
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sudo iptables -t nat -X $chan_post
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## 创建自定义链
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sudo iptables -t nat -N $chan_pre
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sudo iptables -t filter -N $chan_forward
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sudo iptables -t nat -N $chan_post
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sudo iptables -t nat -p tcp -d $from --dport $from_port -j DNAT --to $to:$to_port -I $chan_pre
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sudo iptables -t nat -p udp -d $from --dport $from_port -j DNAT --to $to:$to_port -I $chan_pre
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sudo iptables -t filter -d $to -j ACCEPT -I $chan_forward
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sudo iptables -t nat -p tcp -d $to --dport $to_port -j SNAT --to $from -I $chan_post
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sudo iptables -t nat -p udp -d $to --dport $to_port -j SNAT --to $from -I $chan_post
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## 引用新链
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sudo iptables -t nat -I PREROUTING -j $chan_pre
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sudo iptables -t filter -I FORWARD -j $chan_forward
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sudo iptables -t nat -I POSTROUTING -j $chan_post
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#iptables -L
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sudo iptables -t nat -nvL $chan_pre --line-number
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sudo iptables -t nat -nvL PREROUTING --line-number
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echo "\n\n"
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sudo iptables -t filter -nvL $chan_forward --line-number
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sudo iptables -t filter -nvL FORWARD --line-number
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echo "\n\n"
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sudo iptables -t nat -nvL $chan_post --line-number
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sudo iptables -t nat -nvL POSTROUTING --line-number
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