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fix formatting in network documentation

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Christer Edwards
2021-01-27 13:46:05 -07:00
parent b5f1f15c45
commit c3130f0eec
1 changed files with 10 additions and 19 deletions
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29
docs/chapters/networking.rst
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@@ -165,12 +165,7 @@ Create the firewall rules:
set skip on lo
table <jails> persist
nat on $ext_if from <jails> to any -> ($ext_if)
## static rdr example
## rdr pass inet proto tcp from any to any port {80, 443} -> 10.17.89.45
## dynamic rdr anchor (see below)
nat on $ext_if from <jails> to any -> ($ext_if:0)
rdr-anchor "rdr/*"
block in all
@@ -178,10 +173,6 @@ Create the firewall rules:
antispoof for $ext_if inet
pass in inet proto tcp from any to any port ssh flags S/SA modulate state
# If you are using dynamic rdr also need to ensure that the external port
# range you are using is open
# pass in inet proto tcp from any to any port <rdr-start>:<rdr-end>
- Make sure to change the `ext_if` variable to match your host system interface.
- Make sure to include the last line (`port ssh`) or you'll end up locked out.
@@ -192,9 +183,6 @@ to containers are:
nat on $ext_if from <jails> to any -> ($ext_if)
## static rdr example
## rdr pass inet proto tcp from any to any port {80, 443} -> 10.17.89.45
The `nat` routes traffic from the loopback interface to the external
interface for outbound access.
@@ -202,16 +190,19 @@ The `rdr pass ...` will redirect traffic from the host firewall on port X to
the ip of Container Y. The example shown redirects web traffic (80 & 443) to the
containers at `10.17.89.45`.
## dynamic rdr anchor (see below)
rdr-anchor "rdr/*"
.. code-block:: shell
rdr-anchor "rdr/*"
The `rdr-anchor "rdr/*"` enables dynamic rdr rules to be setup using the
`bastille rdr` command at runtime - eg.
bastille rdr <jail> tcp 2001 22 # Redirects tcp port 2001 on host to 22 on jail
bastille rdr <jail> udp 2053 53 # Same for udp
bastille rdr <jail> list # List dynamic rdr rules
bastille rdr <jail> clear # Clear dynamic rdr rules
.. code-block:: shell
bastille rdr <jail> tcp 2001 22 # Redirects tcp port 2001 on host to 22 on jail
bastille rdr <jail> udp 2053 53 # Same for udp
bastille rdr <jail> list # List dynamic rdr rules
bastille rdr <jail> clear # Clear dynamic rdr rules
Note that if you are redirecting ports where the host is also listening
(eg. ssh) you should make sure that the host service is not listening on