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document firewall rules (#6)

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a3nm
2017-12-11 08:44:34 +01:00
committed by Michael Stapelberg
parent 82d6b7ea28
commit 28566d7f29
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README.md
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@@ -63,3 +63,17 @@ ssh root@rpi3
# Enter password “raspberry” # Enter password “raspberry”
``` ```
Note that the default firewall rules only allow SSH access from the local
network. If you wish to enable SSH access globally, first change your root
password using `passwd`. Next, issue the following commands as root to remove
the corresponding firewall rules:
```shell
iptables -F INPUT
ip6tables -F INPUT
```
This will allow SSH connections globally until the next reboot. To make this
persistent, remove the lines containing "REJECT" in `/etc/iptables/rules.v4` and
`/etc/iptables/rules.v6`.