This library is a simple GoLang wrapper to the IPtables ipset userspace utility.
It provides an interface to allow Go programs to easily manipulate ipsets.
It is currently limited to sets of type hash.
For ipset command documentation: http://ipset.netfilter.org/ipset.man.html
go-ipset requires ipset kernel module and userspace utility version 6.0 or greater.
Install go-ipset using the "go get" command:
go get github.com/janeczku/go-ipset/ipset
Install dependencies:
go get github.com/Sirupsen/logrus
go get github.com/coreos/go-semver/semver
import "github.com/janeczku/go-ipset/ipsetConstruct a new IPset instance (creating the set on the fly), then use the various methods to manipulate the IPset.
For example, to create a new ipset "customers" of type hash:ip for storing plain IPv4 addresses:
customers := ipset.New("customers", "hash:ip", &ipset.Params{})To create a new ipset to store different sized IPv4 network addresses (with /mask).
trustedNetworks := ipset.New("trusted-networks", "hash:net", &ipset.Params{})customers.Add("8.8.2.2")ips := []string{"8.8.8.8", "8.8.4.4"}
customers.Refresh(ips)customers.Del("8.8.8.8")You can configure advanced options when creating a new set by supplying the parameters in the ipset.Params struct.
type Params struct {
HashFamily string
HashSize int
MaxElem int
Timeout int
}See http://ipset.netfilter.org/ipset.man.html for their meaning.
For example, to create a set whose entries will expire after 60 seconds, lets say for temporarily limiting abusive clients:
abusers := ipset.New("ratelimited", "hash:ip", &ipset.Params{Timeout: 60})// list is []string
list ipset.List("customers")
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