diff --git a/PAM/ssh/include/rublon/configuration.hpp b/PAM/ssh/include/rublon/configuration.hpp
index a6aee8b..8a2ddb6 100644
--- a/PAM/ssh/include/rublon/configuration.hpp
+++ b/PAM/ssh/include/rublon/configuration.hpp
@@ -87,7 +87,7 @@ class ConfigurationReader {
             if(it == keyValues.end()) {
                 return std::nullopt;
             }
-            
+
             return string{it->second.data(), it->second.size(), memoryResource};
         };
 
@@ -122,7 +122,7 @@ class ConfigurationReader {
 
             std::pmr::string val{&memoryResource};
             val = it->second;
-            std::transform(val.begin(), val.end(), val.begin(), [](unsigned char c) { return static_cast< char >(std::tolower(c)); });
+            std::transform(val.begin(), val.end(), val.begin(), [](auto c) { return std::tolower(c); });
 
             if(val == "1" || val == "true" || val == "yes" || val == "on")
                 return true;
@@ -136,6 +136,7 @@ class ConfigurationReader {
             if(it == keyValues.end())
                 return std::nullopt;
             auto val = it->second;
+            std::transform(val.begin(), val.end(), val.begin(), [](auto c) { return std::tolower(c); });
             if(val == "bypass")
                 return FailMode::bypass;
             if(val == "deny")
@@ -200,10 +201,9 @@ class ConfigurationReader {
             return true;
         };
 
-        auto toLowerCaseOpt = [](auto str) {
+        auto toLowerCaseOpt = [](auto & str) {
             if(str)
                 std::transform(str->cbegin(), str->cend(), str->begin(), [](auto c) { return std::tolower(c); });
-            return str;
         };
 
         /// NOTE:
@@ -246,8 +246,8 @@ class ConfigurationReader {
 
         // reading proxy configuration
         config.proxyEnabled = getBool("proxyEnabled").value_or(false);
-        config.proxyType    = toLowerCaseOpt(getStringOpt("proxyType"));
-        config.proxyHost    = toLowerCaseOpt(getStringOpt("proxyHost"));
+        config.proxyType    = getStringOpt("proxyType");
+        config.proxyHost    = getStringOpt("proxyHost");
 
         // Apply fallback if no config is set
         if(config.proxyEnabled && (!config.proxyType || config.proxyType->empty()) && (!config.proxyHost || config.proxyHost->empty())) {
@@ -289,15 +289,12 @@ class ConfigurationReader {
             }
         }
 
-        auto defaultProxyPort = [&]() -> int {
-            memory::MonotonicStackResource< 32 > memoryResource;
+        toLowerCaseOpt(config.proxyType);
+        toLowerCaseOpt(config.proxyHost);
 
-            if(config.proxyType) {
-                std::pmr::string val{*config.proxyType, &memoryResource};
-                std::transform(val.begin(), val.end(), val.begin(), [](auto c) { return std::tolower(c); });
-                if(val.find("socks") != std::pmr::string::npos) {
-                    return 1080;
-                }
+        auto defaultProxyPort = [&]() -> int {
+            if(config.proxyType.value_or("").find("socks") != std::pmr::string::npos) {
+                return 1080;
             }
             return 8080;
         };
diff --git a/PAM/ssh/include/rublon/error_handler.hpp b/PAM/ssh/include/rublon/error_handler.hpp
index 0894183..b621ea4 100644
--- a/PAM/ssh/include/rublon/error_handler.hpp
+++ b/PAM/ssh/include/rublon/error_handler.hpp
@@ -44,7 +44,7 @@ class ErrorHandler {
         }
 
         if(error.is< ConnectionError >()) {
-            if(config.failMode != FailMode::deny) {
+            if(config.failMode == FailMode::bypass) {
                 pam.print("Incorrect response from the Rublon API, user bypassed");
                 return AuthenticationStatus::Action::Bypass;
             } else {
diff --git a/PAM/ssh/include/rublon/utils.hpp b/PAM/ssh/include/rublon/utils.hpp
index d846fe0..2c1926c 100755
--- a/PAM/ssh/include/rublon/utils.hpp
+++ b/PAM/ssh/include/rublon/utils.hpp
@@ -7,8 +7,9 @@
 #include <cstdint>
 #include <limits>
 #include <string>
-#include <utility>
+#include <string_view>
 #include <tl/expected.hpp>
+#include <utility>
 
 #include <fcntl.h>
 #include <sys/stat.h>
@@ -84,12 +85,18 @@ namespace details {
         return logPath();
     }
 
-    inline void doLog(LogLevel level, const char * line) noexcept {
+    inline void doLog(LogLevel level, std::string_view line) noexcept {
         auto fp = std::unique_ptr< FILE, int (*)(FILE *) >(fopen(initLog(), "a+"), fclose);
         if(fp) {
+            auto newl = line.back() == '\n' ? "" : "\n";
             /// TODO add transaction ID
-            fprintf(
-              fp.get(), "%s %s[%s] %s\n", dateStr().c_str(), application == nullptr ? "" : application, LogLevelNames[( int ) level], line);
+            fprintf(fp.get(),
+              "%s %s[%s] %s%s",
+              dateStr().c_str(),
+              application == nullptr ? "" : application,
+              LogLevelNames[( int ) level],
+              line.data(),
+              newl);
             if(syncLogFile)
                 sync();
         }
@@ -111,8 +118,8 @@ void log(LogLevel level, const char * fmt, Ti &&... ti) noexcept {
         return;
     constexpr auto maxEntryLength = 1000;
     std::array< char, maxEntryLength > line;
-    snprintf(line.data(), maxEntryLength, fmt, std::forward< Ti >(ti)...);
-    details::doLog(level, line.data());
+    auto len = snprintf(line.data(), maxEntryLength, fmt, std::forward< Ti >(ti)...);
+    details::doLog(level, {line.data(), len});
 }
 
 class PrintUser {
@@ -157,8 +164,8 @@ namespace conv {
         constexpr auto max = std::numeric_limits< uint32_t >::digits10 + 1;
         if(userinput.empty() || userinput.size() >= max)
             return std::nullopt; // Avoid large or empty inputs
-        
-        char buffer[max]={0};
+
+        char buffer[max] = {0};
         std::memcpy(buffer, userinput.data(), userinput.size());
         buffer[userinput.size()] = '\0'; // Ensure null termination
 
@@ -167,7 +174,7 @@ namespace conv {
 
         long result = std::strtol(buffer, &endptr, 10);
 
-        if(errno == ERANGE || endptr != buffer + userinput.size() || result < 0 || result > std::numeric_limits<uint32_t>::max()) {
+        if(errno == ERANGE || endptr != buffer + userinput.size() || result < 0 || result > std::numeric_limits< uint32_t >::max()) {
             return std::nullopt;
         }
 
diff --git a/PAM/ssh/include/rublon/websockets.hpp b/PAM/ssh/include/rublon/websockets.hpp
index 47ffbf9..38328a3 100644
--- a/PAM/ssh/include/rublon/websockets.hpp
+++ b/PAM/ssh/include/rublon/websockets.hpp
@@ -64,7 +64,7 @@ class WebSocket {
         };
 
         if(_config.get().logging) {
-            lws_set_log_level(LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_INFO | LLL_DEBUG | LLL_HEADER, lws_log_emit);
+            lws_set_log_level(LLL_ERR | LLL_WARN | LLL_NOTICE | LLL_INFO | LLL_DEBUG, lws_log_emit);
         } else {
             lws_set_log_level(LLL_ERR | LLL_WARN, lws_log_emit);
         }