Limit private IP access onlyiptables blocking from internet side on eth1?How to block access to “private”...
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Limit private IP access only
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Is that possible to forbid the outgoing public IP address and access private IP only?
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
I know there is a way to drop IP via iptables
iptables -I OUTPUT-s 11.0.0.0 -j DROP
... etc
Is there a convenient way to block all of them?
linux networking iptables
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
add a comment |
Is that possible to forbid the outgoing public IP address and access private IP only?
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
I know there is a way to drop IP via iptables
iptables -I OUTPUT-s 11.0.0.0 -j DROP
... etc
Is there a convenient way to block all of them?
linux networking iptables
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
Just so I understand, you want your machine to ONLY be able to access the private IP ranges and not be able to access ANY public IPs?
– Colin Wu
1 hour ago
add a comment |
Is that possible to forbid the outgoing public IP address and access private IP only?
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
I know there is a way to drop IP via iptables
iptables -I OUTPUT-s 11.0.0.0 -j DROP
... etc
Is there a convenient way to block all of them?
linux networking iptables
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
Is that possible to forbid the outgoing public IP address and access private IP only?
10.0.0.0 to 10.255.255.255
172.16.0.0 to 172.31.255.255
192.168.0.0 to 192.168.255.255
I know there is a way to drop IP via iptables
iptables -I OUTPUT-s 11.0.0.0 -j DROP
... etc
Is there a convenient way to block all of them?
linux networking iptables
linux networking iptables
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
asked 1 hour ago
Coda ChangCoda Chang
1054 bronze badges
1054 bronze badges
Just so I understand, you want your machine to ONLY be able to access the private IP ranges and not be able to access ANY public IPs?
– Colin Wu
1 hour ago
add a comment |
Just so I understand, you want your machine to ONLY be able to access the private IP ranges and not be able to access ANY public IPs?
– Colin Wu
1 hour ago
Just so I understand, you want your machine to ONLY be able to access the private IP ranges and not be able to access ANY public IPs?
– Colin Wu
1 hour ago
Just so I understand, you want your machine to ONLY be able to access the private IP ranges and not be able to access ANY public IPs?
– Colin Wu
1 hour ago
add a comment |
1 Answer
1
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oldest
votes
iptables -A OUTPUT -d. 10.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 172.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 192.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 127.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -j DROP
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
add a comment |
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1 Answer
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votes
1 Answer
1
active
oldest
votes
active
oldest
votes
active
oldest
votes
iptables -A OUTPUT -d. 10.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 172.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 192.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 127.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -j DROP
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
add a comment |
iptables -A OUTPUT -d. 10.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 172.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 192.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 127.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -j DROP
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
add a comment |
iptables -A OUTPUT -d. 10.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 172.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 192.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 127.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -j DROP
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
iptables -A OUTPUT -d. 10.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 172.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 192.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -d 127.0.0.0/4 -j ACCEPT
iptables -A OUTPUT -j DROP
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
answered 1 hour ago
user1133275user1133275
4,0421 gold badge10 silver badges25 bronze badges
4,0421 gold badge10 silver badges25 bronze badges
add a comment |
add a comment |
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Just so I understand, you want your machine to ONLY be able to access the private IP ranges and not be able to access ANY public IPs?
– Colin Wu
1 hour ago