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-rw-r--r--doc/fw-addr-lists.md35
-rw-r--r--fw-addr-lists.rsc58
-rw-r--r--global-functions.rsc2
-rw-r--r--news-and-changes.rsc1
4 files changed, 80 insertions, 16 deletions
diff --git a/doc/fw-addr-lists.md b/doc/fw-addr-lists.md
index 5805905..6dc6b66 100644
--- a/doc/fw-addr-lists.md
+++ b/doc/fw-addr-lists.md
@@ -56,8 +56,12 @@ available in my repository and downloaded automatically. Import it manually
(menu `/certificate/`) if missing.
Create firewall rules to process the packets that are related to addresses
-from address-lists. This rejects the packets from and to ip addresses listed
-in address-list `block`.
+from address-lists.
+
+### IPv4 rules
+
+This rejects the packets from and to IPv4 addresses listed in
+address-list `block`.
/ip/firewall/filter/add chain=input src-address-list=block action=reject reject-with=icmp-admin-prohibited;
/ip/firewall/filter/add chain=forward src-address-list=block action=reject reject-with=icmp-admin-prohibited;
@@ -85,6 +89,33 @@ Alternatively handle the packets in firewall's raw section if you prefer:
> ⚠️ **Warning**: Just again... The order of firewall rules is important. Make
> sure they actually take effect as expected!
+### IPv6 rules
+
+These are the same rules, but for IPv6.
+
+Reject packets in address-list `block`:
+
+ /ipv6/firewall/filter/add chain=input src-address-list=block action=reject reject-with=icmp-admin-prohibited;
+ /ipv6/firewall/filter/add chain=forward src-address-list=block action=reject reject-with=icmp-admin-prohibited;
+ /ipv6/firewall/filter/add chain=forward dst-address-list=block action=reject reject-with=icmp-admin-prohibited;
+ /ipv6/firewall/filter/add chain=output dst-address-list=block action=reject reject-with=icmp-admin-prohibited;
+
+Allow packets in address-list `allow`:
+
+ /ipv6/firewall/filter/add chain=input src-address-list=allow action=accept;
+ /ipv6/firewall/filter/add chain=forward src-address-list=allow action=accept;
+ /ipv6/firewall/filter/add chain=forward dst-address-list=allow action=accept;
+ /ipv6/firewall/filter/add chain=output dst-address-list=allow action=accept;
+
+Drop packets in firewall's raw section:
+
+ /ipv6/firewall/raw/add chain=prerouting src-address-list=block action=drop;
+ /ipv6/firewall/raw/add chain=prerouting dst-address-list=block action=drop;
+ /ipv6/firewall/raw/add chain=output dst-address-list=block action=drop;
+
+> ⚠️ **Warning**: Just again... The order of firewall rules is important. Make
+> sure they actually take effect as expected!
+
---
[⬅️ Go back to main README](../README.md)
[⬆️ Go back to top](#top)
diff --git a/fw-addr-lists.rsc b/fw-addr-lists.rsc
index bc294d1..14da2e2 100644
--- a/fw-addr-lists.rsc
+++ b/fw-addr-lists.rsc
@@ -24,7 +24,7 @@
:global WaitFullyConnected;
:local FindDelim do={
- :local ValidChars "0123456789./ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-";
+ :local ValidChars "0123456789.:/ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz-";
:for I from=0 to=[ :len $1 ] do={
:if ([ :typeof [ :find $ValidChars [ :pick ($1 . " ") $I ] ] ] != "num") do={
:return $I;
@@ -38,10 +38,11 @@ $WaitFullyConnected;
:local ListComment ("managed by " . $0);
:foreach FwListName,FwList in=$FwAddrLists do={
- :local Addresses ({});
:local CntAdd 0;
:local CntRenew 0;
:local CntRemove 0;
+ :local IPv4Addresses ({});
+ :local IPv6Addresses ({});
:local Failure false;
:foreach List in=$FwList do={
@@ -85,7 +86,11 @@ $WaitFullyConnected;
:local Address ([ :pick $Line 0 [ $FindDelim $Line ] ] . ($List->"cidr"));
:if ($Address ~ "^[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}\\.[0-9]{1,3}(/[0-9]{1,2})?\$" || \
$Address ~ "^[\\.a-zA-Z0-9-]+\\.[a-zA-Z]{2,}\$") do={
- :set ($Addresses->$Address) $TimeOut;
+ :set ($IPv4Addresses->$Address) $TimeOut;
+ }
+ :if ($Address ~ "^[0-9a-zA-Z]*:[0-9a-zA-Z:\\.]+(/[0-9]{1,3})?\$" || \
+ $Address ~ "^[\\.a-zA-Z0-9-]+\\.[a-zA-Z]{2,}\$") do={
+ :set ($IPv6Addresses->$Address) $TimeOut;
}
:set Data [ :pick $Data ([ :len $Line ] + 1) [ :len $Data ] ];
}
@@ -93,28 +98,55 @@ $WaitFullyConnected;
:foreach Entry in=[ /ip/firewall/address-list/find where list=$FwListName comment=$ListComment ] do={
:local Address [ /ip/firewall/address-list/get $Entry address ];
- :if ([ :typeof ($Addresses->$Address) ] = "time") do={
- $LogPrintExit2 debug $0 ("Renewing for " . ($Addresses->$Address) . ": " . $Address) false;
- /ip/firewall/address-list/set $Entry timeout=($Addresses->$Address);
- :set ($Addresses->$Address);
+ :if ([ :typeof ($IPv4Addresses->$Address) ] = "time") do={
+ $LogPrintExit2 debug $0 ("Renewing IPv4 address for " . ($IPv4Addresses->$Address) . ": " . $Address) false;
+ /ip/firewall/address-list/set $Entry timeout=($IPv4Addresses->$Address);
+ :set ($IPv4Addresses->$Address);
:set CntRenew ($CntRenew + 1);
} else={
:if ($Failure = false) do={
- $LogPrintExit2 debug $0 ("Removing: " . $Address) false;
+ $LogPrintExit2 debug $0 ("Removing IPv4 address: " . $Address) false;
/ip/firewall/address-list/remove $Entry;
:set CntRemove ($CntRemove + 1);
}
}
}
- :foreach Address,Ignore in=$Addresses do={
- $LogPrintExit2 debug $0 ("Adding for " . ($Addresses->$Address) . ": " . $Address) false;
+ :foreach Entry in=[ /ipv6/firewall/address-list/find where list=$FwListName comment=$ListComment ] do={
+ :local Address [ /ipv6/firewall/address-list/get $Entry address ];
+ :if ([ :typeof ($IPv6Addresses->$Address) ] = "time") do={
+ $LogPrintExit2 debug $0 ("Renewing IPv6 address for " . ($IPv6Addresses->$Address) . ": " . $Address) false;
+ /ipv6/firewall/address-list/set $Entry timeout=($IPv6Addresses->$Address);
+ :set ($IPv6Addresses->$Address);
+ :set CntRenew ($CntRenew + 1);
+ } else={
+ :if ($Failure = false) do={
+ $LogPrintExit2 debug $0 ("Removing: " . $Address) false;
+ /ipv6/firewall/address-list/remove $Entry;
+ :set CntRemove ($CntRemove + 1);
+ }
+ }
+ }
+
+ :foreach Address,Timeout in=$IPv4Addresses do={
+ $LogPrintExit2 debug $0 ("Adding IPv4 address for " . $Timeout . ": " . $Address) false;
+ :do {
+ /ip/firewall/address-list/add list=$FwListName comment=$ListComment address=$Address timeout=$Timeout;
+ :set ($IPv4Addresses->$Address);
+ :set CntAdd ($CntAdd + 1);
+ } on-error={
+ $LogPrintExit2 warning $0 ("Failed to add IPv4 address " . $Address . " to list '" . $FwListName . "'.") false;
+ }
+ }
+
+ :foreach Address,Timeout in=$IPv6Addresses do={
+ $LogPrintExit2 debug $0 ("Adding IPv6 address for " . $Timeout . ": " . $Address) false;
:do {
- /ip/firewall/address-list/add list=$FwListName comment=$ListComment address=$Address timeout=($Addresses->$Address);
- :set ($Addresses->$Address);
+ /ipv6/firewall/address-list/add list=$FwListName comment=$ListComment address=$Address timeout=$Timeout;
+ :set ($IPv6Addresses->$Address);
:set CntAdd ($CntAdd + 1);
} on-error={
- $LogPrintExit2 warning $0 ("Failed to add address " . $Address . " to list '" . $FwListName . "'.") false;
+ $LogPrintExit2 warning $0 ("Failed to add IPv6 address " . $Address . " to list '" . $FwListName . "'.") false;
}
}
diff --git a/global-functions.rsc b/global-functions.rsc
index d37b34b..92fabff 100644
--- a/global-functions.rsc
+++ b/global-functions.rsc
@@ -12,7 +12,7 @@
:local 0 [ :jobname ];
# expected configuration version
-:global ExpectedConfigVersion 118;
+:global ExpectedConfigVersion 119;
# global variables not to be changed by user
:global GlobalFunctionsReady false;
diff --git a/news-and-changes.rsc b/news-and-changes.rsc
index b6f5169..d0e9938 100644
--- a/news-and-changes.rsc
+++ b/news-and-changes.rsc
@@ -43,6 +43,7 @@
[ $IfThenElse ($Resource->"total-hdd-space" < 16000000) ("Your " . $Resource->"board-name" . " is specifically affected! ") \
[ $IfThenElse ($Resource->"free-hdd-space" > 4000000) ("(Your " . $Resource->"board-name" . " does not suffer this issue.) ") ] ] . \
"Huge configuration and lots of scripts give an extra risk. Take care!");
+ 119="Added support for IPv6 to script 'fw-addr-lists'.";
};
# Migration steps to be applied on script updates