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Shorten rules and fix behaviour of meters

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This commit is contained in:
Alex D. 2021-06-20 14:20:08 +00:00
parent ae88d3bee0
commit 57293a6ce7
Signed by: caskd
GPG Key ID: F92BA85F61F4C173
4 changed files with 8 additions and 14 deletions
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4
config/nftables/APKBUILD
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@ -3,9 +3,9 @@
. ../APKBUILD-config.template
pkgver=2021.06.19.04
pkgver=2021.06.20.04
pkgrel=0
options="!check" # check requires root???????
options="!check" # check requires root?
subpackages="
$pkgname-base

4
config/nftables/nft/inet/redxenfirewall/filter/input/stateful/base
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@ -1,2 +1,2 @@
ct state new iifname "eth0" limit rate over 1/second burst 50 packets add @blackhole4 { ip saddr } counter;
ct state new iifname "eth0" limit rate over 1/second burst 50 packets add @blackhole6 { ip6 saddr } counter;
ct state new iifname "eth0" meter global4 { ip saddr timeout 1m limit rate over 1/second burst 50 packets } add @blackhole4 { ip saddr } counter;
ct state new iifname "eth0" meter global6 { ip6 saddr timeout 1m limit rate over 1/second burst 50 packets } add @blackhole6 { ip6 saddr } counter;

6
config/nftables/nft/inet/redxenfirewall/filter/input/stateful/dovecot
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@ -1,4 +1,2 @@
tcp dport 143 ct state new limit rate over 4/minute burst 10 packets add @blackhole4 { ip saddr } counter;
tcp dport 143 ct state new limit rate over 4/minute burst 10 packets add @blackhole6 { ip6 saddr } counter;
tcp dport 993 ct state new limit rate over 4/minute burst 10 packets add @blackhole4 { ip saddr } counter;
tcp dport 993 ct state new limit rate over 4/minute burst 10 packets add @blackhole6 { ip6 saddr } counter;
tcp dport { 143, 993 } ct state new meter dovecot4 { ip saddr timeout 1m limit rate over 4/minute burst 10 packets } add @blackhole4 { ip saddr } counter;
tcp dport { 143, 993 } ct state new meter dovecot6 { ip6 saddr timeout 1m limit rate over 4/minute burst 10 packets } add @blackhole6 { ip6 saddr } counter;

8
config/nftables/nft/inet/redxenfirewall/filter/input/stateful/postfix
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@ -1,6 +1,2 @@
tcp dport 25 ct state new limit rate over 4/minute burst 20 packets add @blackhole4 { ip saddr } counter;
tcp dport 25 ct state new limit rate over 4/minute burst 20 packets add @blackhole6 { ip6 saddr } counter;
tcp dport 465 ct state new limit rate over 4/minute burst 20 packets add @blackhole4 { ip saddr } counter;
tcp dport 465 ct state new limit rate over 4/minute burst 20 packets add @blackhole6 { ip6 saddr } counter;
tcp dport 587 ct state new limit rate over 4/minute burst 20 packets add @blackhole4 { ip saddr } counter;
tcp dport 587 ct state new limit rate over 4/minute burst 20 packets add @blackhole6 { ip6 saddr } counter;
tcp dport { 25, 465, 587 } ct state new meter postfix4 { ip saddr timeout 1m limit rate over 4/minute burst 20 packets } add @blackhole4 { ip saddr } counter;
tcp dport { 25, 465, 587 } ct state new meter postfix6 { ip6 saddr timeout 1m limit rate over 4/minute burst 20 packets } add @blackhole6 { ip6 saddr } counter;