defender: allow hot-reloading for safe and block lists

2021-01-04 17:52:14 +01:00 · 2021-01-04 17:52:14 +01:00 · 72b2c83392
commit 72b2c83392
parent c3410a3d91
11 changed files with 68 additions and 68 deletions
--- a/common/common.go
+++ b/common/common.go
@ -126,6 +126,15 @@ func Initialize(c Configuration) error {
 	return nil
 }

+// ReloadDefender reloads the defender's block and safe lists
+func ReloadDefender() error {
+	if Config.defender == nil {
+		return nil
+	}
+
+	return Config.defender.Reload()
+}
+
 // IsBanned returns true if the specified IP address is banned
 func IsBanned(ip string) bool {
 	if Config.defender == nil {
--- a/common/common_test.go
+++ b/common/common_test.go
@ -235,6 +235,8 @@ func TestDefenderIntegration(t *testing.T) {

 	ip := "127.1.1.1"

+	assert.Nil(t, ReloadDefender())
+
 	AddDefenderEvent(ip, HostEventNoLoginTried)
 	assert.False(t, IsBanned(ip))

@ -258,6 +260,7 @@ func TestDefenderIntegration(t *testing.T) {
 	Config.DefenderConfig.Threshold = 3
 	err = Initialize(Config)
 	assert.NoError(t, err)
+	assert.Nil(t, ReloadDefender())

 	AddDefenderEvent(ip, HostEventNoLoginTried)
 	assert.False(t, IsBanned(ip))
--- a/common/defender.go
+++ b/common/defender.go
@ -33,6 +33,7 @@ type Defender interface {
 	GetBanTime(ip string) *time.Time
 	GetScore(ip string) int
 	Unban(ip string) bool
+	Reload() error
 }

 // DefenderConfig defines the "defender" configuration
@ -153,18 +154,36 @@ func newInMemoryDefender(config *DefenderConfig) (Defender, error) {
 		banned: make(map[string]time.Time),
 	}

-	defender.blockList, err = loadHostListFromFile(config.BlockListFile)
-	if err != nil {
-		return nil, err
-	}
-	defender.safeList, err = loadHostListFromFile(config.SafeListFile)
-	if err != nil {
+	if err := defender.Reload(); err != nil {
 		return nil, err
 	}

 	return defender, nil
 }

+// Reload reloads block and safe lists
+func (d *memoryDefender) Reload() error {
+	blockList, err := loadHostListFromFile(d.config.BlockListFile)
+	if err != nil {
+		return err
+	}
+
+	d.Lock()
+	d.blockList = blockList
+	d.Unlock()
+
+	safeList, err := loadHostListFromFile(d.config.SafeListFile)
+	if err != nil {
+		return err
+	}
+
+	d.Lock()
+	d.safeList = safeList
+	d.Unlock()
+
+	return nil
+}
+
 // IsBanned returns true if the specified IP is banned
 // and increase ban time if the IP is found.
 // This method must be called as soon as the client connects
--- a/dataprovider/bolt.go
+++ b/dataprovider/bolt.go
@ -106,7 +106,7 @@ func (p BoltProvider) validateUserAndPass(username, password, ip, protocol strin
 	}
 	user, err := p.userExists(username)
 	if err != nil {
-		providerLog(logger.LevelWarn, "error authenticating user: %v, error: %v", username, err)
+		providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
 		return user, err
 	}
 	return checkUserAndPass(user, password, ip, protocol)
@ -119,7 +119,7 @@ func (p BoltProvider) validateUserAndPubKey(username string, pubKey []byte) (Use
 	}
 	user, err := p.userExists(username)
 	if err != nil {
-		providerLog(logger.LevelWarn, "error authenticating user: %v, error: %v", username, err)
+		providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
 		return user, "", err
 	}
 	return checkUserAndPubKey(user, pubKey)
--- a/dataprovider/memory.go
+++ b/dataprovider/memory.go
@ -93,7 +93,7 @@ func (p MemoryProvider) validateUserAndPass(username, password, ip, protocol str
 	}
 	user, err := p.userExists(username)
 	if err != nil {
-		providerLog(logger.LevelWarn, "error authenticating user %#v, error: %v", username, err)
+		providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
 		return user, err
 	}
 	return checkUserAndPass(user, password, ip, protocol)
@ -106,7 +106,7 @@ func (p MemoryProvider) validateUserAndPubKey(username string, pubKey []byte) (U
 	}
 	user, err := p.userExists(username)
 	if err != nil {
-		providerLog(logger.LevelWarn, "error authenticating user %#v, error: %v", username, err)
+		providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
 		return user, "", err
 	}
 	return checkUserAndPubKey(user, pubKey)
--- a/dataprovider/sqlcommon.go
+++ b/dataprovider/sqlcommon.go
@ -53,7 +53,7 @@ func sqlCommonValidateUserAndPass(username, password, ip, protocol string, dbHan
 	}
 	user, err := getUserByUsername(username, dbHandle)
 	if err != nil {
-		providerLog(logger.LevelWarn, "error authenticating user: %v, error: %v", username, err)
+		providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
 		return user, err
 	}
 	return checkUserAndPass(user, password, ip, protocol)
@ -66,7 +66,7 @@ func sqlCommonValidateUserAndPubKey(username string, pubKey []byte, dbHandle *sq
 	}
 	user, err := getUserByUsername(username, dbHandle)
 	if err != nil {
-		providerLog(logger.LevelWarn, "error authenticating user: %v, error: %v", username, err)
+		providerLog(logger.LevelWarn, "error authenticating user %#v: %v", username, err)
 		return user, "", err
 	}
 	return checkUserAndPubKey(user, pubKey)
--- a/docs/full-configuration.md
+++ b/docs/full-configuration.md
@ -75,7 +75,7 @@ The configuration file contains the following sections:
    - `entries_soft_limit`, integer.
    - `entries_hard_limit`, integer. The number of banned IPs and host scores kept in memory will vary between the soft and hard limit.
    - `safelist_file`, string. Path to a file containing a list of ip addresses and/or networks to never ban.
-    - `blocklist_file`, string. Path to a file containing a list of ip addresses and/or networks to always ban.
+    - `blocklist_file`, string. Path to a file containing a list of ip addresses and/or networks to always ban. The lists can be reloaded on demand sending a `SIGHUP` signal on Unix based systems and a `paramchange` request to the running service on Windows. An host that is already banned will not be automatically unbanned if you put it inside the safe list, you have to unban it using the REST API.
 - **"sftpd"**, the configuration for the SFTP server
  - `bindings`, list of structs. Each struct has the following fields:
    - `port`, integer. The port used for serving SFTP requests. 0 means disabled. Default: 2022
--- a/go.mod
+++ b/go.mod
@ -8,7 +8,7 @@ require (
 	github.com/Azure/azure-storage-blob-go v0.12.0
 	github.com/GehirnInc/crypt v0.0.0-20200316065508-bb7000b8a962
 	github.com/alexedwards/argon2id v0.0.0-20201228115903-cf543ebc1f7b
-	github.com/aws/aws-sdk-go v1.36.18
+	github.com/aws/aws-sdk-go v1.36.19
 	github.com/coreos/go-systemd v0.0.0-20191104093116-d3cd4ed1dbcf // indirect
 	github.com/eikenb/pipeat v0.0.0-20200430215831-470df5986b6d
 	github.com/fclairamb/ftpserverlib v0.12.0
@ -26,7 +26,7 @@ require (
 	github.com/miekg/dns v1.1.35 // indirect
 	github.com/minio/sha256-simd v0.1.1
 	github.com/minio/sio v0.2.1
-	github.com/otiai10/copy v1.4.1
+	github.com/otiai10/copy v1.4.2
 	github.com/pelletier/go-toml v1.8.1 // indirect
 	github.com/pires/go-proxyproto v0.3.3
 	github.com/pkg/sftp v1.12.1-0.20201128220914-b5b6f3393fe9
@ -35,7 +35,7 @@ require (
 	github.com/rs/xid v1.2.1
 	github.com/rs/zerolog v1.20.0
 	github.com/russross/blackfriday/v2 v2.1.0 // indirect
-	github.com/shirou/gopsutil/v3 v3.20.11
+	github.com/shirou/gopsutil/v3 v3.20.12
 	github.com/spf13/afero v1.5.1
 	github.com/spf13/cast v1.3.1 // indirect
 	github.com/spf13/cobra v1.1.1
@ -50,9 +50,9 @@ require (
 	gocloud.dev/secrets/hashivault v0.21.0
 	golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad
 	golang.org/x/net v0.0.0-20201224014010-6772e930b67b
-	golang.org/x/sys v0.0.0-20201223074533-0d417f636930
+	golang.org/x/sys v0.0.0-20201231184435-2d18734c6014
 	golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 // indirect
-	golang.org/x/tools v0.0.0-20201230224404-63754364767c // indirect
+	golang.org/x/tools v0.0.0-20210104081019-d8d6ddbec6ee // indirect
 	google.golang.org/api v0.36.0
 	google.golang.org/genproto v0.0.0-20201214200347-8c77b98c765d // indirect
 	gopkg.in/ini.v1 v1.62.0 // indirect
--- a/go.sum
+++ b/go.sum
@ -57,32 +57,25 @@ github.com/Azure/azure-storage-blob-go v0.12.0 h1:7bFXA1QB+lOK2/ASWHhp6/vnxjaeeZ
 github.com/Azure/azure-storage-blob-go v0.12.0/go.mod h1:A0u4VjtpgZJ7Y7um/+ix2DHBuEKFC6sEIlj0xc13a4Q=
 github.com/Azure/go-amqp v0.13.0/go.mod h1:qj+o8xPCz9tMSbQ83Vp8boHahuRDl5mkNHyt1xlxUTs=
 github.com/Azure/go-amqp v0.13.1/go.mod h1:qj+o8xPCz9tMSbQ83Vp8boHahuRDl5mkNHyt1xlxUTs=
-github.com/Azure/go-autorest v14.2.0+incompatible h1:V5VMDjClD3GiElqLWO7mz2MxNAK/vTfRHdAubSIPRgs=
 github.com/Azure/go-autorest v14.2.0+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
 github.com/Azure/go-autorest/autorest v0.11.3/go.mod h1:JFgpikqFJ/MleTTxwepExTKnFUKKszPS8UavbQYUMuw=
 github.com/Azure/go-autorest/autorest v0.11.7/go.mod h1:V6p3pKZx1KKkJubbxnDWrzNhEIfOy/pTGasLqzHIPHs=
 github.com/Azure/go-autorest/autorest v0.11.9/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
-github.com/Azure/go-autorest/autorest v0.11.12 h1:gI8ytXbxMfI+IVbI9mP2JGCTXIuhHLgRlvQ9X4PsnHE=
 github.com/Azure/go-autorest/autorest v0.11.12/go.mod h1:eipySxLmqSyC5s5k1CLupqet0PSENBEDP93LQ9a8QYw=
 github.com/Azure/go-autorest/autorest/adal v0.9.0/go.mod h1:/c022QCutn2P7uY+/oQWWNcK9YU+MH96NgK+jErpbcg=
 github.com/Azure/go-autorest/autorest/adal v0.9.2/go.mod h1:/3SMAM86bP6wC9Ev35peQDUeqFZBMH07vvUOmg4z/fE=
 github.com/Azure/go-autorest/autorest/adal v0.9.4/go.mod h1:/3SMAM86bP6wC9Ev35peQDUeqFZBMH07vvUOmg4z/fE=
 github.com/Azure/go-autorest/autorest/adal v0.9.5/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
-github.com/Azure/go-autorest/autorest/adal v0.9.6 h1:d3pSDwvBWBLqdA91u+keH1zs1cCEzrQdHKY6iqbQNkE=
 github.com/Azure/go-autorest/autorest/adal v0.9.6/go.mod h1:B7KF7jKIeC9Mct5spmyCB/A8CG/sEz1vwIRGv/bbw7A=
 github.com/Azure/go-autorest/autorest/azure/auth v0.5.3/go.mod h1:4bJZhUhcq8LB20TruwHbAQsmUs2Xh+QR7utuJpLXX3A=
 github.com/Azure/go-autorest/autorest/azure/cli v0.4.2/go.mod h1:7qkJkT+j6b+hIpzMOwPChJhTqS8VbsqqgULzMNRugoM=
-github.com/Azure/go-autorest/autorest/date v0.3.0 h1:7gUk1U5M/CQbp9WoqinNzJar+8KY+LPI6wiWrP/myHw=
 github.com/Azure/go-autorest/autorest/date v0.3.0/go.mod h1:BI0uouVdmngYNUzGWeSYnokU+TrmwEsOqdt8Y6sso74=
 github.com/Azure/go-autorest/autorest/mocks v0.4.0/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
-github.com/Azure/go-autorest/autorest/mocks v0.4.1 h1:K0laFcLE6VLTOwNgSxaGbUcLPuGXlNkbVvq4cW4nIHk=
 github.com/Azure/go-autorest/autorest/mocks v0.4.1/go.mod h1:LTp+uSrOhSkaKrUy935gNZuuIPPVsHlr9DSOxSayd+k=
 github.com/Azure/go-autorest/autorest/to v0.4.0/go.mod h1:fE8iZBn7LQR7zH/9XU2NcPR4o9jEImooCeWJcYV/zLE=
 github.com/Azure/go-autorest/autorest/validation v0.3.0/go.mod h1:yhLgjC0Wda5DYXl6JAsWyUe4KVNffhoDhG0zVzUMo3E=
 github.com/Azure/go-autorest/logger v0.2.0/go.mod h1:T9E3cAhj2VqvPOtCYAvby9aBXkZmbF5NWuPV8+WeEW8=
-github.com/Azure/go-autorest/tracing v0.6.0 h1:TYi4+3m5t6K48TGI9AUdb+IzbnSxvnvUMfuitfgcfuo=
 github.com/Azure/go-autorest/tracing v0.6.0/go.mod h1:+vhtPC754Xsa23ID7GlGsrdKBpUA79WCAKPPZVC2DeU=
-github.com/BurntSushi/toml v0.3.1 h1:WXkYYl6Yr3qBf1K79EBnL4mak0OimBfB0XUf9Vl28OQ=
 github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
 github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
 github.com/GehirnInc/crypt v0.0.0-20200316065508-bb7000b8a962 h1:KeNholpO2xKjgaaSyd+DyQRrsQjhbSeS7qe4nEw8aQw=
@ -92,7 +85,6 @@ github.com/Knetic/govaluate v3.0.1-0.20171022003610-9aa49832a739+incompatible/go
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
 github.com/Shopify/sarama v1.19.0/go.mod h1:FVkBWblsNy7DGZRfXLU0O9RCGt5g3g3yEuWXgklEdEo=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d h1:G0m3OIz70MZUWq3EgK3CesDbo8upS2Vm9/P3FtgI+Jk=
 github.com/StackExchange/wmi v0.0.0-20190523213315-cbe66965904d/go.mod h1:3eOhrUMpNV+6aFIbp5/iudMxNCF27Vw2OZgy4xEx0Fg=
 github.com/VividCortex/gohistogram v1.0.0/go.mod h1:Pf5mBqqDxYaXu3hDrrU+w6nw50o/4+TcAqDqk/vUH7g=
 github.com/afex/hystrix-go v0.0.0-20180502004556-fa1af6a1f4f5/go.mod h1:SkGFH1ia65gfNATL8TAiHDNxPzPdmEL5uirI2Uyuz6c=
@ -114,8 +106,8 @@ github.com/aws/aws-sdk-go v1.15.27/go.mod h1:mFuSZ37Z9YOHbQEwBWztmVzqXrEkub65tZo
 github.com/aws/aws-sdk-go v1.23.20/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.27.0/go.mod h1:KmX6BPdI08NWTb3/sm4ZGu5ShLoqVDhKgpiN924inxo=
 github.com/aws/aws-sdk-go v1.36.1/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
-github.com/aws/aws-sdk-go v1.36.18 h1:PvfZkE0cjM1k1EMQDSb2BrX8LETPx0IFFZ/YKkurmFg=
-github.com/aws/aws-sdk-go v1.36.18/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
+github.com/aws/aws-sdk-go v1.36.19 h1:zbJZKkxeDiYxUYFjymjWxPye+qa1G2gRVyhIzZrB9zA=
+github.com/aws/aws-sdk-go v1.36.19/go.mod h1:hcU610XS61/+aQV88ixoOzUoG7v3b31pl2zKMmprdro=
 github.com/aws/aws-sdk-go-v2 v0.18.0/go.mod h1:JWVYvqSMppoMJC0x5wdwiImzgXTI9FuZwxzkQq9wy+g=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
@ -189,13 +181,11 @@ github.com/fatih/color v1.7.0/go.mod h1:Zm6kSWBoL9eyXnKyktHP6abPY2pDugNf5Kwzbycv
 github.com/fatih/structs v1.1.0/go.mod h1:9NiDSp5zOcgEDl+j00MP/WkGVPOlPRLejGD8Ga6PJ7M=
 github.com/fclairamb/ftpserverlib v0.12.0 h1:vud3Q4v/rLZU5CfIDFaXq7ST2+V9BF5cKjzNWPN18c4=
 github.com/fclairamb/ftpserverlib v0.12.0/go.mod h1:X6sAMSYtN0YDPu+nHfyE9dsKPUOrEZ8O5EMgt1xvPwk=
-github.com/form3tech-oss/jwt-go v3.2.2+incompatible h1:TcekIExNqud5crz4xD2pavyTgWiPvpYe4Xau31I0PRk=
 github.com/form3tech-oss/jwt-go v3.2.2+incompatible/go.mod h1:pbq4aXjuKjdthFRnoDwaVPLA+WlJuPGy+QneDUgJi2k=
 github.com/fortytw2/leaktest v1.3.0/go.mod h1:jDsjWgpAGjm2CA7WthBh/CdZYEPF31XHquHwclZch5g=
 github.com/franela/goblin v0.0.0-20200105215937-c9ffbefa60db/go.mod h1:7dvUGVsVBjqR7JHJk0brhHOZYGmfBYOrK0ZhYMEtBr4=
 github.com/franela/goreq v0.0.0-20171204163338-bcd34c9993f8/go.mod h1:ZhphrRTfi2rbfLwlschooIH4+wKKDR4Pdxhh+TRoA20=
 github.com/frankban/quicktest v1.10.0/go.mod h1:ui7WezCLWMWxVWr1GETZY3smRy0G4KWq9vcPtJmFl7Y=
-github.com/frankban/quicktest v1.11.2 h1:mjwHjStlXWibxOohM7HYieIViKyh56mmt3+6viyhDDI=
 github.com/frankban/quicktest v1.11.2/go.mod h1:K+q6oSqb0W0Ininfk863uOk1lMy69l/P6txr3mVT54s=
 github.com/fsnotify/fsnotify v1.4.7/go.mod h1:jwhsz4b93w/PPRr/qN1Yymfu8t87LnFCMoQvtojpjFo=
 github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWoS4=
@ -214,14 +204,11 @@ github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2
 github.com/go-ini/ini v1.25.4/go.mod h1:ByCAeIL28uOIIG0E3PJtZPDL8WnHpFKFOtgjp+3Ies8=
 github.com/go-kit/kit v0.8.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
 github.com/go-kit/kit v0.9.0/go.mod h1:xBxKIO96dXMWWy0MnWVtmwkA9/13aqxPnvrjFYMA2as=
-github.com/go-kit/kit v0.10.0 h1:dXFJfIHVvUcpSgDOV+Ne6t7jXri8Tfv2uOLHUZ2XNuo=
 github.com/go-kit/kit v0.10.0/go.mod h1:xUsJbQ/Fp4kEt7AFgCuvyX4a71u8h9jB8tj/ORgOZ7o=
 github.com/go-ldap/ldap v3.0.2+incompatible/go.mod h1:qfd9rJvER9Q0/D/Sqn1DfHRoBp40uXYvFoEVrNEPqRc=
 github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9GBnD5lWE=
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
-github.com/go-logfmt/logfmt v0.5.0 h1:TrB8swr/68K7m9CcGut2g3UOihhbcbiMAYiuTXdEih4=
 github.com/go-logfmt/logfmt v0.5.0/go.mod h1:wCYkCAKZfumFQihp8CzCvQ3paCTfi41vtzG1KdI/P7A=
-github.com/go-ole/go-ole v1.2.4 h1:nNBDSCOigTSiarFpYE9J/KtEA1IOW4CNeqT9TQDqCxI=
 github.com/go-ole/go-ole v1.2.4/go.mod h1:XCwSNxSkXRo4vlyPy93sltvi/qJq0jqQhjqQNIwKuxM=
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@ -232,7 +219,6 @@ github.com/go-playground/validator/v10 v10.2.0/go.mod h1:uOYAAleCW8F/7oMFd6aG0GO
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@ -288,16 +274,12 @@ github.com/google/go-cmp v0.5.1/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/
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@ -315,7 +297,6 @@ github.com/google/shlex v0.0.0-20191202100458-e7afc7fbc510/go.mod h1:pupxD2MaaD3
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@ -326,7 +307,6 @@ github.com/googleapis/gax-go v2.0.2+incompatible/go.mod h1:SFVmujtThgffbyetf+mdk
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@ -353,7 +333,6 @@ github.com/hashicorp/go-cleanhttp v0.5.1 h1:dH3aiDG9Jvb5r5+bYHsikaOUIpcM0xvgMXVo
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@ -395,14 +374,12 @@ github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpO
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@ -413,9 +390,7 @@ github.com/json-iterator/go v1.1.8/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/u
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@ -430,10 +405,8 @@ github.com/kr/fs v0.1.0/go.mod h1:FFnZGqtBN9Gxj7eW1uZ42v5BccTP0vu6NEaFoC2HwRg=
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@ -468,7 +441,6 @@ github.com/minio/sio v0.2.1/go.mod h1:8b0yPp2avGThviy/+OCJBI6OMpvxoUuiLvE6F1lebh
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@ -494,7 +466,6 @@ github.com/nats-io/nats.go v1.9.1/go.mod h1:ZjDU1L/7fJ09jvUSRVBR2e7+RnLiiIQyqyzE
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@ -512,13 +483,11 @@ github.com/openzipkin-contrib/zipkin-go-opentracing v0.4.5/go.mod h1:/wsWhb9smxS
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@ -592,17 +561,14 @@ github.com/ryanuber/go-glob v1.0.0 h1:iQh3xXAumdQ+4Ufa5b25cRpC5TYKlno6hsv6Cb3pkB
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+github.com/shirou/gopsutil/v3 v3.20.12/go.mod h1:igHnfak0qnw1biGeI2qKQvu0ZkwvEkUcCLlYhZzdr/4=
 github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc=
 github.com/sirupsen/logrus v1.2.0/go.mod h1:LxeOpSwHxABJmUn/MG1IvRgCAasNZTLOkJPxbbu5VWo=
 github.com/sirupsen/logrus v1.4.2/go.mod h1:tLMulIdttU9McNUspp0xgXVQah82FyeX6MwdIuYE2rE=
 github.com/sirupsen/logrus v1.6.0/go.mod h1:7uNnSEd1DgxDLC74fIahvMZmmYsHGZGEOFrfsX/uA88=
-github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d h1:zE9ykElWQ6/NYmHa3jpm/yHnI4xSofP+UP6SpjHcSeM=
 github.com/smartystreets/assertions v0.0.0-20180927180507-b2de0cb4f26d/go.mod h1:OnSkiWE9lh6wB0YB77sQom3nweQdgAjqCqsofrRNTgc=
-github.com/smartystreets/goconvey v1.6.4 h1:fv0U8FUIMPNf1L9lnHLvLhgicrIVChEkdzIKYqbNC9s=
 github.com/smartystreets/goconvey v1.6.4/go.mod h1:syvi0/a8iFYH4r/RixwvyeAJjdLS9QV7WQ/tjFTllLA=
 github.com/soheilhy/cmux v0.1.4/go.mod h1:IM3LyeVVIOuxMH7sFAkER9+bJ4dT7Ms6E4xg4kGIyLM=
 github.com/sony/gobreaker v0.4.1/go.mod h1:ZKptC7FHNvhBz7dN2LGjPVBz2sZJmc0/PkyDJOjmxWY=
@ -706,7 +672,6 @@ golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHl
 golang.org/x/lint v0.0.0-20191125180803-fdd1cda4f05f/go.mod h1:5qLYkcX4OjUUV8bRuDixDT3tpyyb+LUpUlRWLxfhWrs=
 golang.org/x/lint v0.0.0-20200130185559-910be7a94367/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/lint v0.0.0-20200302205851-738671d3881b/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
-golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5 h1:2M3HP5CCK1Si9FQhwnzYhXdG6DXeebvUHFpre8QvbyI=
 golang.org/x/lint v0.0.0-20201208152925-83fdc39ff7b5/go.mod h1:3xt1FjdF8hUf6vQPIChWIBhFzV8gjjsPE/fR3IyQdNY=
 golang.org/x/mobile v0.0.0-20190312151609-d3739f865fa6/go.mod h1:z+o9i4GpDbdi3rU15maQ/Ox0txvL9dWGYEHz965HBQE=
 golang.org/x/mobile v0.0.0-20190719004257-d2bd2a29d028/go.mod h1:E/iHnbuqvinMTCcRqshq8CkpyQDoeVncDDYHnLhea+o=
@ -716,7 +681,6 @@ golang.org/x/mod v0.1.1-0.20191105210325-c90efee705ee/go.mod h1:QqPTAvyqsEbceGzB
 golang.org/x/mod v0.1.1-0.20191107180719-034126e5016b/go.mod h1:QqPTAvyqsEbceGzBzNggFXnrqF1CaUcvgkdR5Ot7KZg=
 golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.4.0 h1:8pl+sMODzuvGJkmj2W4kZihvVb5mKm8pB/X44PIQHv8=
 golang.org/x/mod v0.4.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@ -736,7 +700,6 @@ golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20200625203802-6e8e738ad208/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9 h1:SQFwaSi55rU7vdNs9Yr0Z324VNlrF+0wMqRXT4St8ck=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20180823144017-11551d06cbcc/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
@ -791,10 +754,9 @@ golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201201145000-ef89a241ccb3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201202213521-69691e467435/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20201223074533-0d417f636930 h1:vRgIt+nup/B/BwIS0g2oC0haq0iqbV3ZA+u6+0TlNCo=
-golang.org/x/sys v0.0.0-20201223074533-0d417f636930/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20201231184435-2d18734c6014 h1:joucsQqXmyBVxViHCPFjG3hx8JzIFSaym3l3MM/Jsdg=
+golang.org/x/sys v0.0.0-20201231184435-2d18734c6014/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
-golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1 h1:v+OssWQX+hTHEmOBgwxdZxK4zHq3yOs8F9J7mk0PY8E=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/text v0.0.0-20170915032832-14c0d48ead0c/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
@ -871,8 +833,7 @@ golang.org/x/tools v0.0.0-20201201161351-ac6f37ff4c2a/go.mod h1:emZCQorbCU4vsT4f
 golang.org/x/tools v0.0.0-20201202200335-bef1c476418a/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201203202102-a1a1cbeaa516/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/tools v0.0.0-20201208233053-a543418bbed2/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
-golang.org/x/tools v0.0.0-20201230224404-63754364767c h1:xx3+TTG3yS1I6Ola5Kapxr5vZu85vKkcwKyV6ke9fHA=
-golang.org/x/tools v0.0.0-20201230224404-63754364767c/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
+golang.org/x/tools v0.0.0-20210104081019-d8d6ddbec6ee/go.mod h1:emZCQorbCU4vsT4fOWvOPXz4eW1wZW4PmDk9uLelYpA=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 golang.org/x/xerrors v0.0.0-20191204190536-9bdfabe68543/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
@ -910,7 +871,6 @@ google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww
 google.golang.org/appengine v1.6.2/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/appengine v1.6.5/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/appengine v1.6.6/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
-google.golang.org/appengine v1.6.7 h1:FZR1q0exgwxzPzp/aF+VccGrSfxfPpkBqjIIEq3ru6c=
 google.golang.org/appengine v1.6.7/go.mod h1:8WjMMxjGQR8xUklV/ARdw2HLXBOI7O7uCIDZVag1xfc=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@ -994,7 +954,6 @@ gopkg.in/asn1-ber.v1 v1.0.0-20181015200546-f715ec2f112d/go.mod h1:cuepJuh7vyXfUy
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f h1:BLraFXnmrev5lT+xlilqcH8XK9/i0At2xKjWk4p6zsU=
 gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/cheggaaa/pb.v1 v1.0.25/go.mod h1:V/YB90LKu/1FcN3WVnfiiE5oMCibMjukxqG/qStrOgw=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
--- a/service/service_windows.go
+++ b/service/service_windows.go
@ -11,6 +11,7 @@ import (
 	"golang.org/x/sys/windows/svc/eventlog"
 	"golang.org/x/sys/windows/svc/mgr"

+	"github.com/drakkan/sftpgo/common"
 	"github.com/drakkan/sftpgo/dataprovider"
 	"github.com/drakkan/sftpgo/ftpd"
 	"github.com/drakkan/sftpgo/httpd"
@ -108,6 +109,10 @@ loop:
 			if err != nil {
 				logger.Warn(logSender, "", "error reloading telemetry cert manager: %v", err)
 			}
+			err = common.ReloadDefender()
+			if err != nil {
+				logger.Warn(logSender, "", "error reloading defender's lists: %v", err)
+			}
 		case rotateLogCmd:
 			logger.Debug(logSender, "", "Received log file rotation request")
 			err := logger.RotateLogFile()
--- a/service/sighup_unix.go
+++ b/service/sighup_unix.go
@ -7,6 +7,7 @@ import (
 	"os/signal"
 	"syscall"

+	"github.com/drakkan/sftpgo/common"
 	"github.com/drakkan/sftpgo/dataprovider"
 	"github.com/drakkan/sftpgo/ftpd"
 	"github.com/drakkan/sftpgo/httpd"
@ -41,6 +42,10 @@ func registerSigHup() {
 			if err != nil {
 				logger.Warn(logSender, "", "error reloading telemetry cert manager: %v", err)
 			}
+			err = common.ReloadDefender()
+			if err != nil {
+				logger.Warn(logSender, "", "error reloading defender's lists: %v", err)
+			}
 		}
 	}()
 }