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doc: Fix example iptables configuration.
* doc/guix.texi (Networking Services): Allow established and related incoming connections in example iptables configuration. Signed-off-by: Arun Isaac <arunisaac@systemreboot.net>
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@ -16450,6 +16450,7 @@ configuration rejecting all incoming connections except those to the ssh port
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:INPUT ACCEPT
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:FORWARD ACCEPT
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:OUTPUT ACCEPT
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-A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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-A INPUT -p tcp --dport 22 -j ACCEPT
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-A INPUT -j REJECT --reject-with icmp-port-unreachable
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COMMIT
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@ -16458,6 +16459,7 @@ COMMIT
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:INPUT ACCEPT
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:FORWARD ACCEPT
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:OUTPUT ACCEPT
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-A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
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-A INPUT -p tcp --dport 22 -j ACCEPT
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-A INPUT -j REJECT --reject-with icmp6-port-unreachable
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COMMIT
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