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Update DNS Forwarder and Firewall

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Typo fixed on the Firewall page, and reworded sections on the DNS Forwarder page.
This commit is contained in:
Brad Peczka 2020-07-18 14:20:14 +08:00
parent 16991274da
commit 3e4236e4c7
2 changed files with 13 additions and 13 deletions
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2
docs/firewall.rst
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@ -690,7 +690,7 @@ Show Firewall log
Show the logs of a specific Rule-Set Show the logs of a specific Rule-Set
.. note:: .. note::
At the moment it not possible to look at the hole Firewall log with vyos At the moment it not possible to look at the whole firewall log with VyOS
operational commands. All logs will save to ``/var/logs/messages``. operational commands. All logs will save to ``/var/logs/messages``.
For example: ``grep '10.10.0.10' /var/log/messages`` For example: ``grep '10.10.0.10' /var/log/messages``

24
docs/services/dns-forwarding.rst
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@ -11,7 +11,7 @@ VyOS provides DNS infrastructure for small networks. It is designed to be
lightweight and have a small footprint, suitable for resource constrained lightweight and have a small footprint, suitable for resource constrained
routers and firewalls, for this we utilize PowerDNS recursor. routers and firewalls, for this we utilize PowerDNS recursor.
VyOS DNS forwarder does not require an upstream DNS server. It can serve as a The VyOS DNS forwarder does not require an upstream DNS server. It can serve as a
full recursive DNS server - but it can also forward queries to configurable full recursive DNS server - but it can also forward queries to configurable
upstream DNS servers. By not configuring any upstream DNS servers you also upstream DNS servers. By not configuring any upstream DNS servers you also
avoid to be tracked by the provider of your upstream DNS server. avoid to be tracked by the provider of your upstream DNS server.
@ -103,23 +103,23 @@ avoid to be tracked by the provider of your upstream DNS server.
.. cfgcmd:: set service dns forwarding listen-address .. cfgcmd:: set service dns forwarding listen-address
Local IPv4 or IPv6 addresses to bind to - waiting on this address for The local IPv4 or IPv6 addresses to bind the DNS forwarder to. The forwarder will listen on this address for
incoming connections. incoming connections.
Example Example
======= =======
Router with two interfaces eth0 (WAN link) and eth1 (LAN) does want to make A VyOS router with two interfaces - eth0 (WAN) and eth1 (LAN) - is required to implement a split-horizon DNS configuration for example.com.
use of DNS split-horizon for example.com.
* DNS request for example.com need to get forwarded to IPv4 address 192.0.2.254 In this scenario:
and IPv6 address 2001:db8:cafe::1
* All other DNS requests are forwarded to DNS server listening on 192.0.2.1, * All DNS requests for example.com must be forwarded to a DNS server at 192.0.2.254
and 2001:db8:cafe::1
* All other DNS requests will be forwarded to a different set of DNS servers at 192.0.2.1,
192.0.2.2, 2001:db8::1:ffff and 2001:db8::2:ffff 192.0.2.2, 2001:db8::1:ffff and 2001:db8::2:ffff
* DNS server is listening on the LAN interface addresses only, 192.168.1.254 * The VyOS DNS forwarder will only listen for requests on the eth1 (LAN) interface addresses - 192.168.1.254
for IPv4 and 2001:db8::ffff for IPv6 for IPv4 and 2001:db8::ffff for IPv6
* Only clients from the LAN segment (192.168.1.0/24) are allowed to use this * The VyOS DNS forwarder will only accept lookup requests from the LAN subnets - 192.168.1.0/24 and 2001:db8::/64
server
.. code-block:: none .. code-block:: none
@ -139,9 +139,9 @@ Operation
.. opcmd:: reset dns forwarding <all | domain> .. opcmd:: reset dns forwarding <all | domain>
Reset local DNS forwarding cache database. You can reset the cache for all Resets the local DNS forwarding cache database. You can reset the cache for all
entries or only for entries to a specific domain. entries or only for entries to a specific domain.
.. opcmd:: restart dns forwarding .. opcmd:: restart dns forwarding
Restart DNS recursor process which also invalidates the cache. Restarts the DNS recursor process. This also invalidates the local DNS forwarding cache.