diff --git a/Sources/OpenVPNAdapter/OpenVPNConfiguration.h b/Sources/OpenVPNAdapter/OpenVPNConfiguration.h
index 4276997..a153976 100644
--- a/Sources/OpenVPNAdapter/OpenVPNConfiguration.h
+++ b/Sources/OpenVPNAdapter/OpenVPNConfiguration.h
@@ -37,6 +37,26 @@ typedef NS_ENUM(NSInteger, OpenVPNTLSCertProfile);
  */
 @property (nullable, nonatomic) NSString *guiVersion;
 
+/**
+ Set to a comma seperated list of supported SSO mechanisms that may
+ be signalled via INFO_PRE to the client.
+ "openurl" is to continue authentication by opening an url in a browser
+ "crtext" gives a challenge response in text format that needs to
+ responded via control channel.
+ Passed to the server as IV_SSO.
+*/
+@property (nullable, nonatomic) NSString *ssoMethods;
+
+/**
+ Override the string that is passed as IV_HWADDR to the server.
+*/
+@property (nullable, nonatomic) NSString *hardwareAdressOverride;
+
+/**
+ Set the string that is passed to the server as IV_PLAT_VER
+*/
+@property (nullable, nonatomic) NSString *platformVersion;
+
 /**
  Use a different server than that specified in "remote"
  option of profile
diff --git a/Sources/OpenVPNAdapter/OpenVPNConfiguration.mm b/Sources/OpenVPNAdapter/OpenVPNConfiguration.mm
index 42565d1..99d34c8 100644
--- a/Sources/OpenVPNAdapter/OpenVPNConfiguration.mm
+++ b/Sources/OpenVPNAdapter/OpenVPNConfiguration.mm
@@ -260,6 +260,30 @@ NSString *const OpenVPNTLSCertProfileDefaultValue = @"default";
     _config.guiVersion = guiVersion ? std::string([guiVersion UTF8String]) : "";
 }
 
+- (NSString *)ssoMethods {
+    return !_config.ssoMethods.empty() ? [NSString stringWithUTF8String:_config.ssoMethods.c_str()] : nil;
+}
+
+- (void)setSsoMethods:(NSString *)ssoMethods {
+    _config.ssoMethods = ssoMethods ? std::string([ssoMethods UTF8String]) : "";
+}
+
+- (NSString *)hardwareAdressOverride {
+    return !_config.hwAddrOverride.empty() ? [NSString stringWithUTF8String:_config.hwAddrOverride.c_str()] : nil;
+}
+
+- (void)setHardwareAdressOverride:(NSString *)hardwareAdressOverride {
+    _config.hwAddrOverride = hardwareAdressOverride ? std::string([hardwareAdressOverride UTF8String]) : "";
+}
+
+- (NSString *)platformVersion {
+    return !_config.platformVersion.empty() ? [NSString stringWithUTF8String:_config.platformVersion.c_str()] : nil;
+}
+
+- (void)setPlatformVersion:(NSString *)platformVersion {
+    _config.platformVersion = platformVersion ? std::string([platformVersion UTF8String]) : "";
+}
+
 - (NSString *)server {
     return !_config.serverOverride.empty() ? [NSString stringWithUTF8String:_config.serverOverride.c_str()] : nil;
 }
@@ -481,6 +505,9 @@ NSString *const OpenVPNTLSCertProfileDefaultValue = @"default";
     configuration.fileContent = [self.fileContent copyWithZone:zone];
     configuration.settings = [self.settings copyWithZone:zone];
     configuration.guiVersion = [self.guiVersion copyWithZone:zone];
+    configuration.ssoMethods = [self.ssoMethods copyWithZone:zone];
+    configuration.hardwareAdressOverride = [self.hardwareAdressOverride copyWithZone:zone];
+    configuration.platformVersion = [self.platformVersion copyWithZone:zone];
     configuration.server = [self.server copyWithZone:zone];
     configuration.proto = self.proto;
     configuration.ipv6 = self.ipv6;
@@ -508,6 +535,9 @@ NSString *const OpenVPNTLSCertProfileDefaultValue = @"default";
     [aCoder encodeObject:self.fileContent forKey:NSStringFromSelector(@selector(fileContent))];
     [aCoder encodeObject:self.settings forKey:NSStringFromSelector(@selector(settings))];
     [aCoder encodeObject:self.guiVersion forKey:NSStringFromSelector(@selector(guiVersion))];
+    [aCoder encodeObject:self.ssoMethods forKey:NSStringFromSelector(@selector(ssoMethods))];
+    [aCoder encodeObject:self.hardwareAdressOverride forKey:NSStringFromSelector(@selector(hardwareAdressOverride))];
+    [aCoder encodeObject:self.platformVersion forKey:NSStringFromSelector(@selector(platformVersion))];
     [aCoder encodeObject:self.server forKey:NSStringFromSelector(@selector(server))];
     [aCoder encodeInteger:self.proto forKey:NSStringFromSelector(@selector(proto))];
     [aCoder encodeInteger:self.ipv6 forKey:NSStringFromSelector(@selector(ipv6))];
@@ -535,6 +565,9 @@ NSString *const OpenVPNTLSCertProfileDefaultValue = @"default";
         self.fileContent = [aDecoder decodeObjectOfClass:[NSData class] forKey:NSStringFromSelector(@selector(fileContent))];
         self.settings = [aDecoder decodeObjectOfClass:[NSDictionary class] forKey:NSStringFromSelector(@selector(settings))];
         self.guiVersion = [aDecoder decodeObjectOfClass:[NSString class] forKey:NSStringFromSelector(@selector(guiVersion))];
+        self.ssoMethods = [aDecoder decodeObjectOfClass:[NSString class] forKey:NSStringFromSelector(@selector(ssoMethods))];
+        self.hardwareAdressOverride = [aDecoder decodeObjectOfClass:[NSString class] forKey:NSStringFromSelector(@selector(hardwareAdressOverride))];
+        self.platformVersion = [aDecoder decodeObjectOfClass:[NSString class] forKey:NSStringFromSelector(@selector(platformVersion))];
         self.server = [aDecoder decodeObjectOfClass:[NSString class] forKey:NSStringFromSelector(@selector(server))];
         self.proto = (OpenVPNTransportProtocol)[aDecoder decodeIntegerForKey:NSStringFromSelector(@selector(proto))];
         self.ipv6 = (OpenVPNIPv6Preference)[aDecoder decodeIntegerForKey:NSStringFromSelector(@selector(ipv6))];