mirror of
https://github.com/vimagick/dockerfiles.git
synced 2024-11-24 08:52:31 +02:00
63 lines
2.1 KiB
Markdown
63 lines
2.1 KiB
Markdown
|
ferm - for Easy Rule Making
|
||
|
|
===========================
|
||
|
|
|
||
|
|
]
|
||
|
|
|
||
|
|
[`ferm`][1] is a frontend for iptables, providing a way to write manageable
|
||
|
|
rulesets without sacrificing flexibility.
|
||
|
|
|
||
|
|
## Tutorial
|
||
|
|
|
||
|
|
```
|
||
|
|
$ alias ferm='docker run -i --rm vimagick/ferm'
|
||
|
|
|
||
|
|
$ cat > iptables.rules <<_EOF_
|
||
|
|
chain INPUT {
|
||
|
|
policy DROP;
|
||
|
|
mod state state (RELATED ESTABLISHED) ACCEPT;
|
||
|
|
proto tcp dport (http ftp ssh) ACCEPT;
|
||
|
|
}
|
||
|
|
_EOF_
|
||
|
|
|
||
|
|
$ ferm -h
|
||
|
|
Usage:
|
||
|
|
ferm *options* *inputfiles*
|
||
|
|
|
||
|
|
Options:
|
||
|
|
-n, --noexec Do not execute the rules, just simulate
|
||
|
|
-F, --flush Flush all netfilter tables managed by ferm
|
||
|
|
-l, --lines Show all rules that were created
|
||
|
|
-i, --interactive Interactive mode: revert if user does not confirm
|
||
|
|
-t, --timeout s Define interactive mode timeout in seconds
|
||
|
|
--remote Remote mode; ignore host specific configuration.
|
||
|
|
This implies --noexec and --lines.
|
||
|
|
-V, --version Show current version number
|
||
|
|
-h, --help Look at this text
|
||
|
|
--slow Slow mode, don't use iptables-restore
|
||
|
|
--shell Generate a shell script which calls iptables-restore
|
||
|
|
--domain {ip|ip6} Handle only the specified domain
|
||
|
|
--def '$name=v' Override a variable
|
||
|
|
|
||
|
|
$ ferm < iptables.rules
|
||
|
|
# Generated by ferm 2.2 on Mon Jul 6 00:32:04 2015
|
||
|
|
*filter
|
||
|
|
:INPUT DROP [0:0]
|
||
|
|
-A INPUT --match state --state RELATED,ESTABLISHED --jump ACCEPT
|
||
|
|
-A INPUT --protocol tcp --dport http --jump ACCEPT
|
||
|
|
-A INPUT --protocol tcp --dport ftp --jump ACCEPT
|
||
|
|
-A INPUT --protocol tcp --dport ssh --jump ACCEPT
|
||
|
|
COMMIT
|
||
|
|
|
||
|
|
$ ferm --slow - < iptables.rules
|
||
|
|
iptables -t filter -P INPUT ACCEPT
|
||
|
|
iptables -t filter -F
|
||
|
|
iptables -t filter -X
|
||
|
|
iptables -t filter -P INPUT DROP
|
||
|
|
iptables -t filter -A INPUT --match state --state RELATED,ESTABLISHED --jump ACCEPT
|
||
|
|
iptables -t filter -A INPUT --protocol tcp --dport http --jump ACCEPT
|
||
|
|
iptables -t filter -A INPUT --protocol tcp --dport ftp --jump ACCEPT
|
||
|
|
iptables -t filter -A INPUT --protocol tcp --dport ssh --jump ACCEPT
|
||
|
|
```
|
||
|
|
|
||
|
|
[1]: http://ferm.foo-projects.org/
|