diff --git a/server/cmd/root.go b/server/cmd/root.go
index 68fcbae9..293f3450 100644
--- a/server/cmd/root.go
+++ b/server/cmd/root.go
@@ -1,11 +1,20 @@
 package cmd
 
 import (
+	"fmt"
+	"io"
+	"os"
+	"path/filepath"
+	"runtime"
+	"time"
+
+	"github.com/rs/zerolog"
+	"github.com/rs/zerolog/diode"
 	"github.com/rs/zerolog/log"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 
 	"n.eko.moe/neko"
-	"n.eko.moe/neko/internal/preflight"
 )
 
 func Execute() error {
@@ -21,8 +30,92 @@ var root = &cobra.Command{
 
 func init() {
 	cobra.OnInitialize(func() {
-		preflight.Logs("neko")
-		preflight.Config("neko")
+		//////
+		// logs
+		//////
+		zerolog.TimeFieldFormat = ""
+		zerolog.SetGlobalLevel(zerolog.InfoLevel)
+
+		if viper.GetBool("debug") {
+			zerolog.SetGlobalLevel(zerolog.DebugLevel)
+		}
+
+		console := zerolog.ConsoleWriter{Out: os.Stdout}
+
+		if !viper.GetBool("logs") {
+			log.Logger = log.Output(console)
+		} else {
+
+			logs := filepath.Join(".", "logs")
+			if runtime.GOOS == "linux" {
+				logs = "/var/log/neko"
+			}
+
+			if _, err := os.Stat(logs); os.IsNotExist(err) {
+				os.Mkdir(logs, os.ModePerm)
+			}
+
+			latest := filepath.Join(logs, "neko-latest.log")
+			_, err := os.Stat(latest)
+			if err == nil {
+				err = os.Rename(latest, filepath.Join(logs, "neko."+time.Now().Format("2006-01-02T15-04-05Z07-00")+".log"))
+				if err != nil {
+					log.Panic().Err(err).Msg("failed to rotate log file")
+				}
+			}
+
+			logf, err := os.OpenFile(latest, os.O_RDWR|os.O_CREATE, 0666)
+			if err != nil {
+				log.Panic().Err(err).Msg("failed to create log file")
+			}
+
+			logger := diode.NewWriter(logf, 1000, 10*time.Millisecond, func(missed int) {
+				fmt.Printf("logger dropped %d messages", missed)
+			})
+
+			log.Logger = log.Output(io.MultiWriter(console, logger))
+		}
+
+		//////
+		// configs
+		//////
+		config := viper.GetString("config")
+		if config != "" {
+			viper.SetConfigFile(config) // Use config file from the flag.
+		} else {
+			if runtime.GOOS == "linux" {
+				viper.AddConfigPath("/etc/neko/")
+			}
+
+			viper.AddConfigPath(".")
+			viper.SetConfigName("neko")
+		}
+
+		viper.SetEnvPrefix("NEKO")
+		viper.AutomaticEnv() // read in environment variables that match
+
+		if err := viper.ReadInConfig(); err != nil {
+			if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
+				log.Error().Err(err)
+			}
+			if config != "" {
+				log.Error().Err(err)
+			}
+		}
+
+		file := viper.ConfigFileUsed()
+		logger := log.With().
+			Bool("debug", viper.GetBool("debug")).
+			Str("logging", viper.GetString("logs")).
+			Str("config", file).
+			Logger()
+
+		if file == "" {
+			logger.Warn().Msg("preflight complete without config file")
+		} else {
+			logger.Info().Msg("preflight complete")
+		}
+
 		neko.Service.Root.Set()
 	})
 
diff --git a/server/cmd/serve.go b/server/cmd/serve.go
index b1c35d70..dc6d2ce1 100644
--- a/server/cmd/serve.go
+++ b/server/cmd/serve.go
@@ -5,7 +5,7 @@ import (
 	"github.com/spf13/cobra"
 
 	"n.eko.moe/neko"
-	"n.eko.moe/neko/internal/config"
+	"n.eko.moe/neko/internal/types/config"
 )
 
 func init() {
diff --git a/server/go.sum b/server/go.sum
index ef593632..6719b1d0 100644
--- a/server/go.sum
+++ b/server/go.sum
@@ -127,7 +127,6 @@ github.com/pion/transport v0.8.10 h1:lTiobMEw2PG6BH/mgIVqTV2mBp/mPT+IJLaN8ZxgdHk
 github.com/pion/transport v0.8.10/go.mod h1:tBmha/UCjpum5hqTWhfAEs3CO4/tHSg0MYRhSzR+CZ8=
 github.com/pion/turn v1.4.0 h1:7NUMRehQz4fIo53Qv9ui1kJ0Kr1CA82I81RHKHCeM80=
 github.com/pion/turn v1.4.0/go.mod h1:aDSi6hWX/hd1+gKia9cExZOR0MU95O7zX9p3Gw/P2aU=
-github.com/pion/webrtc v1.2.0 h1:3LGGPQEMacwG2hcDfhdvwQPz315gvjZXOfY4vaF4+I4=
 github.com/pion/webrtc/v2 v2.1.18 h1:g0VN0xfEUSlVNfQmlCD6yOeXy/tMaktESBmHMnBS3bk=
 github.com/pion/webrtc/v2 v2.1.18/go.mod h1:m0rKlYgLRZWyhmcMWegpF6xtK1ASxmOg8DAR74ttzQY=
 github.com/pkg/errors v0.8.0/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
diff --git a/server/internal/gst/gst.go b/server/internal/gst/gst.go
index 90a5e4de..a0490d1a 100644
--- a/server/internal/gst/gst.go
+++ b/server/internal/gst/gst.go
@@ -79,7 +79,7 @@ func CreatePipeline(codecName string, pipelineSrc string) (*Pipeline, error) {
 		// gstreamer1.0-plugins-good
 		// vp9enc
 
-		// Causes panic!
+		// Causes panic! not sure why...
 		pipelineStr = pipelineSrc + " ! vp9enc ! " + pipelineStr
 		clockRate = videoClockRate
 
@@ -88,7 +88,6 @@ func CreatePipeline(codecName string, pipelineSrc string) (*Pipeline, error) {
 		}
 
 	case webrtc.H264:
-
 		// https://gstreamer.freedesktop.org/documentation/openh264/openh264enc.html?gi-language=c#openh264enc
 		// gstreamer1.0-plugins-bad
 		// openh264enc multi-thread=4 complexity=high bitrate=3072000 max-bitrate=4096000
diff --git a/server/internal/http/http.go b/server/internal/http/http.go
index bc04bd16..e8cec82c 100644
--- a/server/internal/http/http.go
+++ b/server/internal/http/http.go
@@ -10,10 +10,10 @@ import (
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 
-	"n.eko.moe/neko/internal/config"
 	"n.eko.moe/neko/internal/http/endpoint"
 	"n.eko.moe/neko/internal/http/middleware"
-	"n.eko.moe/neko/internal/websocket"
+	"n.eko.moe/neko/internal/types"
+	"n.eko.moe/neko/internal/types/config"
 )
 
 type Server struct {
@@ -23,7 +23,7 @@ type Server struct {
 	conf   *config.Server
 }
 
-func New(conf *config.Server, webSocketHandler *websocket.WebSocketHandler) *Server {
+func New(conf *config.Server, webSocketHandler types.WebSocketHandler) *Server {
 	logger := log.With().Str("module", "webrtc").Logger()
 
 	router := chi.NewRouter()
diff --git a/server/internal/preflight/config.go b/server/internal/preflight/config.go
deleted file mode 100644
index 4ac23e20..00000000
--- a/server/internal/preflight/config.go
+++ /dev/null
@@ -1,48 +0,0 @@
-package preflight
-
-import (
-	"runtime"
-
-	"github.com/rs/zerolog/log"
-	"github.com/spf13/viper"
-)
-
-func Config(name string) {
-	config := viper.GetString("config")
-
-	if config != "" {
-		viper.SetConfigFile(config) // Use config file from the flag.
-	} else {
-		if runtime.GOOS == "linux" {
-			viper.AddConfigPath("/etc/neko/")
-		}
-
-		viper.AddConfigPath(".")
-		viper.SetConfigName(name)
-	}
-
-	viper.SetEnvPrefix("NEKO")
-	viper.AutomaticEnv() // read in environment variables that match
-
-	if err := viper.ReadInConfig(); err != nil {
-		if _, ok := err.(viper.ConfigFileNotFoundError); !ok {
-			log.Error().Err(err)
-		}
-		if config != "" {
-			log.Error().Err(err)
-		}
-	}
-
-	file := viper.ConfigFileUsed()
-	logger := log.With().
-		Bool("debug", viper.GetBool("debug")).
-		Str("logging", viper.GetString("logs")).
-		Str("config", file).
-		Logger()
-
-	if file == "" {
-		logger.Warn().Msg("preflight complete without config file")
-	} else {
-		logger.Info().Msg("preflight complete")
-	}
-}
diff --git a/server/internal/preflight/logs.go b/server/internal/preflight/logs.go
deleted file mode 100644
index bc116a9e..00000000
--- a/server/internal/preflight/logs.go
+++ /dev/null
@@ -1,60 +0,0 @@
-package preflight
-
-import (
-	"fmt"
-	"io"
-	"os"
-	"path/filepath"
-	"runtime"
-	"time"
-
-	"github.com/rs/zerolog"
-	"github.com/rs/zerolog/diode"
-	"github.com/rs/zerolog/log"
-	"github.com/spf13/viper"
-)
-
-func Logs(name string) {
-	zerolog.TimeFieldFormat = ""
-	zerolog.SetGlobalLevel(zerolog.InfoLevel)
-
-	if viper.GetBool("debug") {
-		zerolog.SetGlobalLevel(zerolog.DebugLevel)
-	}
-
-	console := zerolog.ConsoleWriter{Out: os.Stdout}
-
-	if !viper.GetBool("logs") {
-		log.Logger = log.Output(console)
-	} else {
-
-		logs := filepath.Join(".", "logs")
-		if runtime.GOOS == "linux" {
-			logs = "/var/log/neko"
-		}
-
-		if _, err := os.Stat(logs); os.IsNotExist(err) {
-			os.Mkdir(logs, os.ModePerm)
-		}
-
-		latest := filepath.Join(logs, name+"-latest.log")
-		_, err := os.Stat(latest)
-		if err == nil {
-			err = os.Rename(latest, filepath.Join(logs, "neko."+time.Now().Format("2006-01-02T15-04-05Z07-00")+".log"))
-			if err != nil {
-				log.Panic().Err(err).Msg("failed to rotate log file")
-			}
-		}
-
-		logf, err := os.OpenFile(latest, os.O_RDWR|os.O_CREATE, 0666)
-		if err != nil {
-			log.Panic().Err(err).Msg("failed to create log file")
-		}
-
-		logger := diode.NewWriter(logf, 1000, 10*time.Millisecond, func(missed int) {
-			fmt.Printf("logger dropped %d messages", missed)
-		})
-
-		log.Logger = log.Output(io.MultiWriter(console, logger))
-	}
-}
diff --git a/server/internal/config/config.go b/server/internal/types/config/config.go
similarity index 100%
rename from server/internal/config/config.go
rename to server/internal/types/config/config.go
diff --git a/server/internal/config/root.go b/server/internal/types/config/root.go
similarity index 100%
rename from server/internal/config/root.go
rename to server/internal/types/config/root.go
diff --git a/server/internal/config/server.go b/server/internal/types/config/server.go
similarity index 100%
rename from server/internal/config/server.go
rename to server/internal/types/config/server.go
diff --git a/server/internal/config/webrtc.go b/server/internal/types/config/webrtc.go
similarity index 62%
rename from server/internal/config/webrtc.go
rename to server/internal/types/config/webrtc.go
index 642662de..f15da1e4 100644
--- a/server/internal/config/webrtc.go
+++ b/server/internal/types/config/webrtc.go
@@ -1,18 +1,23 @@
 package config
 
 import (
+	"strconv"
+	"strings"
+
 	"github.com/pion/webrtc/v2"
 	"github.com/spf13/cobra"
 	"github.com/spf13/viper"
 )
 
 type WebRTC struct {
-	Device      string
-	AudioCodec  string
-	AudioParams string
-	Display     string
-	VideoCodec  string
-	VideoParams string
+	Device         string
+	AudioCodec     string
+	AudioParams    string
+	Display        string
+	VideoCodec     string
+	VideoParams    string
+	EphemeralStart uint16
+	EphemeralEnd   uint16
 }
 
 func (WebRTC) Init(cmd *cobra.Command) error {
@@ -21,54 +26,59 @@ func (WebRTC) Init(cmd *cobra.Command) error {
 		return err
 	}
 
-	cmd.PersistentFlags().String("aduio", "", "Audio codec parameters to use for streaming")
+	cmd.PersistentFlags().String("aduio", "", "Audio codec parameters to use for streaming (unused)")
 	if err := viper.BindPFlag("aparams", cmd.PersistentFlags().Lookup("aduio")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().String("display", ":0.0", "XDisplay to capture")
+	cmd.PersistentFlags().String("display", ":99.0", "XDisplay to capture")
 	if err := viper.BindPFlag("display", cmd.PersistentFlags().Lookup("display")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().String("video", "", "Video codec parameters to use for streaming")
+	cmd.PersistentFlags().String("video", "", "Video codec parameters to use for streaming (unused)")
 	if err := viper.BindPFlag("vparams", cmd.PersistentFlags().Lookup("video")); err != nil {
 		return err
 	}
 
+	cmd.PersistentFlags().String("epr", "59000-59100", "Limits the pool of ephemeral ports that ICE UDP connections can allocate from")
+	if err := viper.BindPFlag("epr", cmd.PersistentFlags().Lookup("epr")); err != nil {
+		return err
+	}
+
 	// video codecs
-	cmd.PersistentFlags().Bool("vp8", false, "Use VP8 codec")
+	cmd.PersistentFlags().Bool("vp8", false, "Use VP8 video codec")
 	if err := viper.BindPFlag("vp8", cmd.PersistentFlags().Lookup("vp8")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().Bool("vp9", false, "Use VP9 codec")
+	cmd.PersistentFlags().Bool("vp9", false, "Use VP9 video codec")
 	if err := viper.BindPFlag("vp9", cmd.PersistentFlags().Lookup("vp9")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().Bool("h264", false, "Use H264 codec")
+	cmd.PersistentFlags().Bool("h264", false, "Use H264 video codec")
 	if err := viper.BindPFlag("h264", cmd.PersistentFlags().Lookup("h264")); err != nil {
 		return err
 	}
 
 	// audio codecs
-	cmd.PersistentFlags().Bool("opus", false, "Use Opus codec")
+	cmd.PersistentFlags().Bool("opus", false, "Use Opus audio codec")
 	if err := viper.BindPFlag("opus", cmd.PersistentFlags().Lookup("opus")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().Bool("g722", false, "Use G722 codec")
+	cmd.PersistentFlags().Bool("g722", false, "Use G722 audio codec")
 	if err := viper.BindPFlag("g722", cmd.PersistentFlags().Lookup("g722")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().Bool("pcmu", false, "Use PCMU codec")
+	cmd.PersistentFlags().Bool("pcmu", false, "Use PCMU audio codec")
 	if err := viper.BindPFlag("pcmu", cmd.PersistentFlags().Lookup("pcmu")); err != nil {
 		return err
 	}
 
-	cmd.PersistentFlags().Bool("pcma", false, "Use PCMA codec")
+	cmd.PersistentFlags().Bool("pcma", false, "Use PCMA audio codec")
 	if err := viper.BindPFlag("pcmu", cmd.PersistentFlags().Lookup("pcmu")); err != nil {
 		return err
 	}
@@ -103,4 +113,19 @@ func (s *WebRTC) Set() {
 	s.Display = viper.GetString("display")
 	s.VideoCodec = videoCodec
 	s.VideoParams = viper.GetString("vparams")
+	s.EphemeralStart = 59000
+	s.EphemeralEnd = 59100
+
+	epr := viper.GetString("epr")
+	ports := strings.SplitN(epr, "-", -1)
+	if len(ports[0]) > 1 {
+		start, err := strconv.ParseUint(ports[0], 16, 16)
+		if err == nil {
+			s.EphemeralStart = uint16(start)
+		}
+		end, err := strconv.ParseUint(ports[1], 16, 16)
+		if err == nil {
+			s.EphemeralEnd = uint16(end)
+		}
+	}
 }
diff --git a/server/internal/config/websocket.go b/server/internal/types/config/websocket.go
similarity index 100%
rename from server/internal/config/websocket.go
rename to server/internal/types/config/websocket.go
diff --git a/server/internal/types/webscoket.go b/server/internal/types/webscoket.go
index ad58721a..801d7525 100644
--- a/server/internal/types/webscoket.go
+++ b/server/internal/types/webscoket.go
@@ -1,7 +1,15 @@
 package types
 
+import "net/http"
+
 type WebScoket interface {
 	Address() *string
 	Send(v interface{}) error
 	Destroy() error
 }
+
+type WebSocketHandler interface {
+	Start() error
+	Shutdown() error
+	Upgrade(w http.ResponseWriter, r *http.Request) error
+}
diff --git a/server/internal/webrtc/webrtc.go b/server/internal/webrtc/webrtc.go
index db809c73..f488dc77 100644
--- a/server/internal/webrtc/webrtc.go
+++ b/server/internal/webrtc/webrtc.go
@@ -8,10 +8,10 @@ import (
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 
-	"n.eko.moe/neko/internal/config"
 	"n.eko.moe/neko/internal/gst"
 	"n.eko.moe/neko/internal/hid"
 	"n.eko.moe/neko/internal/types"
+	"n.eko.moe/neko/internal/types/config"
 )
 
 func New(sessions types.SessionManager, config *config.WebRTC) *WebRTCManager {
@@ -22,7 +22,7 @@ func New(sessions types.SessionManager, config *config.WebRTC) *WebRTCManager {
 		},
 	}
 
-	setings.SetEphemeralUDPPortRange(59000, 59100)
+	setings.SetEphemeralUDPPortRange(config.EphemeralStart, config.EphemeralEnd)
 
 	return &WebRTCManager{
 		logger:   logger,
diff --git a/server/internal/websocket/websocket.go b/server/internal/websocket/websocket.go
index e24953ea..eb052b85 100644
--- a/server/internal/websocket/websocket.go
+++ b/server/internal/websocket/websocket.go
@@ -9,9 +9,9 @@ import (
 	"github.com/rs/zerolog"
 	"github.com/rs/zerolog/log"
 
-	"n.eko.moe/neko/internal/config"
 	"n.eko.moe/neko/internal/hid/clipboard"
 	"n.eko.moe/neko/internal/types"
+	"n.eko.moe/neko/internal/types/config"
 	"n.eko.moe/neko/internal/types/event"
 	"n.eko.moe/neko/internal/types/message"
 	"n.eko.moe/neko/internal/utils"
diff --git a/server/neko.go b/server/neko.go
index 5a7cf643..88c9cefe 100644
--- a/server/neko.go
+++ b/server/neko.go
@@ -6,9 +6,9 @@ import (
 	"os/signal"
 	"runtime"
 
-	"n.eko.moe/neko/internal/config"
 	"n.eko.moe/neko/internal/http"
 	"n.eko.moe/neko/internal/session"
+	"n.eko.moe/neko/internal/types/config"
 	"n.eko.moe/neko/internal/webrtc"
 	"n.eko.moe/neko/internal/websocket"