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* dnsforward, config: add unspecified IP blocking option 

* dnsforward: prioritize host files over null filter

* dnsforward, config: adjust setting variable to blocking_mode

* dnsforward: use net.IPv4zero for null IP
This commit is contained in:
Alexander Turcic 2019-05-04 22:51:14 +02:00 committed by Simon Zolin
parent 2178546e7b
commit 07ffcbec3d
2 changed files with 6 additions and 0 deletions
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1
config.go
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@ -115,6 +115,7 @@ var config = configuration{
FilteringConfig: dnsforward.FilteringConfig{
ProtectionEnabled: true, // whether or not use any of dnsfilter features
FilteringEnabled: true, // whether or not use filter lists
BlockingMode: "nxdomain", // mode how to answer filtered requests
BlockedResponseTTL: 10, // in seconds
QueryLogEnabled: true,
Ratelimit: 20,

5
dnsforward/dnsforward.go
View File

@ -61,6 +61,7 @@ func NewServer(baseDir string) *Server {
type FilteringConfig struct {
ProtectionEnabled bool `yaml:"protection_enabled"` // whether or not use any of dnsfilter features
FilteringEnabled bool `yaml:"filtering_enabled"` // whether or not use filter lists
BlockingMode string `yaml:"blocking_mode"` // mode how to answer filtered requests
BlockedResponseTTL uint32 `yaml:"blocked_response_ttl"` // if 0, then default is used (3600)
QueryLogEnabled bool `yaml:"querylog_enabled"` // if true, query log is enabled
Ratelimit int `yaml:"ratelimit"` // max number of requests per second from a given IP (0 to disable)
@ -401,6 +402,10 @@ func (s *Server) genDNSFilterMessage(d *proxy.DNSContext, result *dnsfilter.Resu
return s.genARecord(m, result.IP)
}
if s.BlockingMode == "null_ip" {
return s.genARecord(m, net.IPv4zero)
}
return s.genNXDomain(m)
}
}