Commit Graph

12 Commits

Author SHA1 Message Date
Robert Langhammer f8645e494f fff-firewall: Flush all installed tables.
With this patch all installed tables are flushed.
We no longer have to worry about the modules
installed or not. (nat, mangle ...)

Signed-off-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Fabian Bläse <fabian@blaese.de>
2021-11-10 13:42:14 +01:00
Robert Langhammer 811fdac32d fff-firewall: Add ipv4 ssh connection limit
With commit [1] the ipv4 firewall on wan interface was removed.
This patch adds the ssh connection limit for ipv4.
IPv6 is already limited.

[1] 52e15e072c ("fff-firewall: Remove ssh firewall on WAN interface")

Signed-off-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Fabian Bläse <fabian@blaese.de>
[improve commit reference]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-02-27 14:48:10 +01:00
Fabian Bläse f8b93325f2 fff-firewall: Remove variables not used by procd
The variables SERVICE_WRITE_PID and SERVICE_DAEMONIZE are not used by
procd, so they are removed.

Signed-off-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-01-27 19:36:51 +01:00
Robert Langhammer 3eb744e491 fff-firewall: Restart when network configuration changes
The configuration of our firewall depends on the network configuration.
Most importantly, the firewall has to be restarted, if the WAN-interface
is changed.

Therefore, a procd reload trigger is added to the init-script, so our
firewall is automatically restarted, when the network configuration is
changed.

Fixes: #46 (gitea)

Signed-off-by: Robert Langhammer <rlanghammer@web.de>
[fabian@blaese.de: Remove unrelated changes]
Signed-off-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2021-01-27 19:31:55 +01:00
Fabian Bläse 52e15e072c fff-firewall: Remove ssh firewall on WAN interface
This firewall was introduced as a countermeasure for very slow routers
directly connected to the internet without any firewall.

Our routers have got quite a bit faster since then. Also, a setup like
this is highly uncommon, especially for slower routers.

Therefore this firewall rule is removed.

Fixes: #138
Signed-off-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
[bump PKG_RELEASE]
Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
2020-09-15 13:05:49 +02:00
Adrian Schmutzler 6f132f858e firewall.d: Check for unset IF_WAN
In some cases (mostly for one-port devices) IF_WAN was used
although not set, resulting in not obviously iptables error
messages like

- Bad argument `conntrack'

- Bad argument `REJECT'

Thus, check whether IF_WAN is set to something before using it.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
2019-11-17 15:46:34 +01:00
Fabian Bläse 6724aaedee Move node-specific firewall rules to fff-node
Signed-off-by: Fabian Bläse <fabian@blaese.de>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Christian Dresel <fff@chrisi01.de>
2019-11-10 14:27:46 +01:00
Adrian Schmutzler f6a457fd5e fff-firewall: Fix match in ip6tables and add dependencies
The syntax " -m state --state " seems to be not supported anymore.

The replace should not change behavior compared to
lede-17.01-based firmware.

Added required dependency.

Signed-off-by: Adrian Schmutzler <freifunk@adrianschmutzler.de>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>
Reviewed-by: Fabian Bläse <fabian@blaese.de>
2018-10-24 18:04:52 +02:00
Tim Niemeyer 9f263c1b38 fff-firewall: clean up v6 rules on prepare
Signed-off-by: Tim Niemeyer <tim@tn-x.org>
Reviewed-by: Robert Langhammer <rlanghammer@web.de>
Reviewed-by: Christian Dresel <fff@chrisi01.de>
Tested-by: Christian Dresel <fff@chrisi01.de>
2018-03-03 21:34:36 +01:00
Christian Dresel bee682345a Increase SSH Connection Limit
Signed-off-by: Christian Dresel <fff@chrisi01.de>
Reviewed-by: Jan Kraus <mayosemmel@gmail.com>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>
2016-10-30 13:05:04 +01:00
Tobias Klaus ebd863c23e Makes firewall init script executable
Signed-off-by: Tobias Klaus <tk+ff@meskal.net>
Reviewed-by: Tim Niemeyer <tim@tn-x.org>
2016-05-04 10:04:49 +02:00
Tim Niemeyer b61830c304 fff-firewall: new package
- moves the node<-->client ra rules to package fff-uradvd

Signed-off-by: Tim Niemeyer <tim@tn-x.org>
Reviewed-by: Tobias Klaus <tk+ff@meskal.net>
Reviewed-by: Jan Kraus <mayosemmel@gmail.com>
2016-04-05 23:27:11 +02:00