zabbix_agentd: Update to v6.0.6 (LTS)

- Update from 4.2.6 to latest LTS version 6.0.6
  See release notes: https://www.zabbix.com/rn/rn6.0.6

Signed-off-by: Robin Roevens <robin.roevens@disroot.org>

config/zabbix_agentd/zabbix_agentd.conf

@@ -63,14 +63,33 @@ LogFileSize=0
 # Default:
 # SourceIP=
 
-### Option: EnableRemoteCommands
-#	Whether remote commands from Zabbix server are allowed.
-#	0 - not allowed
-#	1 - allowed
+### Option: AllowKey
+#	Allow execution of item keys matching pattern.
+#	Multiple keys matching rules may be defined in combination with DenyKey.
+#	Key pattern is wildcard expression, which support "*" character to match any number of any characters in certain position. It might be used in both key name and key arguments.
+#	Parameters are processed one by one according their appearance order.
+#	If no AllowKey or DenyKey rules defined, all keys are allowed.
+#
+# Mandatory: no
+
+### Option: DenyKey
+#	Deny execution of items keys matching pattern.
+#	Multiple keys matching rules may be defined in combination with AllowKey.
+#	Key pattern is wildcard expression, which support "*" character to match any number of any characters in certain position. It might be used in both key name and key arguments.
+#	Parameters are processed one by one according their appearance order.
+#	If no AllowKey or DenyKey rules defined, all keys are allowed.
+#       Unless another system.run[*] rule is specified DenyKey=system.run[*] is added by default.
 #
 # Mandatory: no
 # Default:
-# EnableRemoteCommands=0
+# DenyKey=system.run[*]
+
+### Option: EnableRemoteCommands - Deprecated, use AllowKey=system.run[*] or DenyKey=system.run[*] instead
+#	Internal alias for AllowKey/DenyKey parameters depending on value:
+#	0 - DenyKey=system.run[*]
+#	1 - AllowKey=system.run[*]
+#
+# Mandatory: no
 
 ### Option: LogRemoteCommands
 #	Enable logging of executed shell commands as warnings.
@@ -177,6 +196,28 @@ ServerActive=127.0.0.1
 # Default:
 # HostMetadataItem=
 
+### Option: HostInterface
+#	Optional parameter that defines host interface.
+#	Host interface is used at host auto-registration process.
+#	An agent will issue an error and not start if the value is over limit of 255 characters.
+#	If not defined, value will be acquired from HostInterfaceItem.
+#
+# Mandatory: no
+# Range: 0-255 characters
+# Default:
+# HostInterface=
+
+### Option: HostInterfaceItem
+#	Optional parameter that defines an item used for getting host interface.
+#	Host interface is used at host auto-registration process.
+#	During an auto-registration request an agent will log a warning message if
+#	the value returned by specified item is over limit of 255 characters.
+#	This option is only used when HostInterface is not defined.
+#
+# Mandatory: no
+# Default:
+# HostInterfaceItem=
+
 ### Option: RefreshActiveChecks
 #	How often list of active checks is refreshed, in seconds.
 #
@@ -265,7 +306,6 @@ ServerActive=127.0.0.1
 
 Include=/etc/zabbix_agentd/zabbix_agentd.d/*.conf
 
-
 ####### USER-DEFINED MONITORED PARAMETERS #######
 
 ### Option: UnsafeUserParameters
@@ -299,7 +339,7 @@ Include=/etc/zabbix_agentd/zabbix_agentd.d/*.conf
 #
 # Mandatory: no
 # Default:
-# LoadModulePath=/usr/lib/modules
+# LoadModulePath=${libdir}/modules
 
 LoadModulePath=/usr/lib/zabbix
 
@@ -357,14 +397,14 @@ LoadModulePath=/usr/lib/zabbix
 # TLSCRLFile=
 
 ### Option: TLSServerCertIssuer
-#	Allowed server certificate issuer.
+#		Allowed server certificate issuer.
 #
 # Mandatory: no
 # Default:
 # TLSServerCertIssuer=
 
 ### Option: TLSServerCertSubject
-#	Allowed server certificate subject.
+#		Allowed server certificate subject.
 #
 # Mandatory: no
 # Default:
@@ -397,3 +437,80 @@ LoadModulePath=/usr/lib/zabbix
 # Mandatory: no
 # Default:
 # TLSPSKFile=
+
+####### For advanced users - TLS ciphersuite selection criteria #######
+
+### Option: TLSCipherCert13
+#	Cipher string for OpenSSL 1.1.1 or newer in TLS 1.3.
+#	Override the default ciphersuite selection criteria for certificate-based encryption.
+#
+# Mandatory: no
+# Default:
+# TLSCipherCert13=
+
+### Option: TLSCipherCert
+#	GnuTLS priority string or OpenSSL (TLS 1.2) cipher string.
+#	Override the default ciphersuite selection criteria for certificate-based encryption.
+#	Example for GnuTLS:
+#		NONE:+VERS-TLS1.2:+ECDHE-RSA:+RSA:+AES-128-GCM:+AES-128-CBC:+AEAD:+SHA256:+SHA1:+CURVE-ALL:+COMP-NULL:+SIGN-ALL:+CTYPE-X.509
+#	Example for OpenSSL:
+#		EECDH+aRSA+AES128:RSA+aRSA+AES128
+#
+# Mandatory: no
+# Default:
+# TLSCipherCert=
+
+### Option: TLSCipherPSK13
+#	Cipher string for OpenSSL 1.1.1 or newer in TLS 1.3.
+#	Override the default ciphersuite selection criteria for PSK-based encryption.
+#	Example:
+#		TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256
+#
+# Mandatory: no
+# Default:
+# TLSCipherPSK13=
+
+### Option: TLSCipherPSK
+#	GnuTLS priority string or OpenSSL (TLS 1.2) cipher string.
+#	Override the default ciphersuite selection criteria for PSK-based encryption.
+#	Example for GnuTLS:
+#		NONE:+VERS-TLS1.2:+ECDHE-PSK:+PSK:+AES-128-GCM:+AES-128-CBC:+AEAD:+SHA256:+SHA1:+CURVE-ALL:+COMP-NULL:+SIGN-ALL
+#	Example for OpenSSL:
+#		kECDHEPSK+AES128:kPSK+AES128
+#
+# Mandatory: no
+# Default:
+# TLSCipherPSK=
+
+### Option: TLSCipherAll13
+#	Cipher string for OpenSSL 1.1.1 or newer in TLS 1.3.
+#	Override the default ciphersuite selection criteria for certificate- and PSK-based encryption.
+#	Example:
+#		TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_128_GCM_SHA256
+#
+# Mandatory: no
+# Default:
+# TLSCipherAll13=
+
+### Option: TLSCipherAll
+#	GnuTLS priority string or OpenSSL (TLS 1.2) cipher string.
+#	Override the default ciphersuite selection criteria for certificate- and PSK-based encryption.
+#	Example for GnuTLS:
+#		NONE:+VERS-TLS1.2:+ECDHE-RSA:+RSA:+ECDHE-PSK:+PSK:+AES-128-GCM:+AES-128-CBC:+AEAD:+SHA256:+SHA1:+CURVE-ALL:+COMP-NULL:+SIGN-ALL:+CTYPE-X.509
+#	Example for OpenSSL:
+#		EECDH+aRSA+AES128:RSA+aRSA+AES128:kECDHEPSK+AES128:kPSK+AES128
+#
+# Mandatory: no
+# Default:
+# TLSCipherAll=
+
+####### For advanced users - TCP-related fine-tuning parameters #######
+
+## Option: ListenBacklog
+#       The maximum number of pending connections in the queue. This parameter is passed to
+#       listen() function as argument 'backlog' (see "man listen").
+#
+# Mandatory: no
+# Range: 0 - INT_MAX (depends on system, too large values may be silently truncated to implementation-specified maximum)
+# Default: SOMAXCONN (hard-coded constant, depends on system)
+# ListenBacklog=