Re: [PATCH] firewall: Fix placement of HOSTILE chains

[Michael Tremer <michael.tremer@ipfire.org>]

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Reviewed-by: Michael Tremer <michael.tremer(a)ipfire.org>

> On 23 Mar 2022, at 11:18, Peter Müller <peter.mueller(a)ipfire.org> wrote:
> 
> They were mistakenly placed after the IPS chains in commit
> 7b529f5417254c68b6bd33732f30578182893d34, but should be placed after the
> connection tracking and before the IPS.
> 
> Fixes: #12815
> 
> Signed-off-by: Peter Müller <peter.mueller(a)ipfire.org>
> ---
> src/initscripts/system/firewall | 22 +++++++++++-----------
> 1 file changed, 11 insertions(+), 11 deletions(-)
> 
> diff --git a/src/initscripts/system/firewall b/src/initscripts/system/firewall
> index 2a70feac2..2597dae10 100644
> --- a/src/initscripts/system/firewall
> +++ b/src/initscripts/system/firewall
> @@ -169,6 +169,17 @@ iptables_init() {
> 	iptables -t nat -N CUSTOMPOSTROUTING
> 	iptables -t nat -A POSTROUTING -j CUSTOMPOSTROUTING
> 
> +	# Chains for networks known as being hostile, posing a technical threat to our users
> +	# (i. e. listed at Spamhaus DROP et al.)
> +	iptables -N HOSTILE
> +	iptables -A INPUT -j HOSTILE
> +	iptables -A FORWARD -j HOSTILE
> +	iptables -A OUTPUT -j HOSTILE
> +
> +	iptables -N HOSTILE_DROP
> +	iptables -A HOSTILE_DROP -m limit --limit 10/second -j LOG --log-prefix "DROP_HOSTILE "
> +	iptables -A HOSTILE_DROP -j DROP -m comment --comment "DROP_HOSTILE"
> +
> 	# IPS (Guardian) chains
> 	iptables -N GUARDIAN
> 	iptables -A INPUT -j GUARDIAN
> @@ -259,17 +270,6 @@ iptables_init() {
> 		iptables -A OUTPUT -o "${BLUE_DEV}" -j DHCPBLUEOUTPUT
> 	fi
> 
> -	# Chains for networks known as being hostile, posing a technical threat to our users
> -	# (i. e. listed at Spamhaus DROP et al.)
> -	iptables -N HOSTILE
> -	iptables -A INPUT -j HOSTILE
> -	iptables -A FORWARD -j HOSTILE
> -	iptables -A OUTPUT -j HOSTILE
> -
> -	iptables -N HOSTILE_DROP
> -	iptables -A HOSTILE_DROP -m limit --limit 10/second -j LOG --log-prefix "DROP_HOSTILE "
> -	iptables -A HOSTILE_DROP -j DROP -m comment --comment "DROP_HOSTILE"
> -
> 	# Tor (inbound)
> 	iptables -N TOR_INPUT
> 	iptables -A INPUT -j TOR_INPUT
> -- 
> 2.34.1