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@@ -158,25 +158,25 @@ iptables -A INPUT -m conntrack --ctstate INVALID -j DROP
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#### 18. Block an IP Address
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```bash
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iptables -A INPUT -s 15.15.15.51 -j DROP
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iptables -A INPUT -s 192.168.252.10 -j DROP
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```
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#### 19. Block and IP Address and Reject
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```bash
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iptables -A INPUT -s 15.15.15.51 -j REJECT
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iptables -A INPUT -s 192.168.252.10 -j REJECT
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```
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#### 20. Block Connections to a Network Interface
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```bash
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iptables -A INPUT -i eth0 -s 15.15.15.51 -j DROP
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iptables -A INPUT -i eth0 -s 192.168.252.10 -j DROP
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```
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#### 21. Block Connections to a Network Interface
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```bash
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iptables -A INPUT -i eth0 -s 15.15.15.51 -j DROP
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iptables -A INPUT -i eth0 -s 192.168.252.10 -j DROP
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```
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#### 22. Allow All Incoming SSH
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