diff --git a/README.md b/README.md
index 31af8cc..ef2fe0b 100644
--- a/README.md
+++ b/README.md
@@ -6,34 +6,28 @@
 
 ## Problematic protocols
 
-Important:
+Important and implemented:
 
 * DHCP
-* ARP (implemented)
+* ARP
 
 Nice to have:
 
 * NetBEUI / NetBIOS
 
-Keep in mind:
+Not supported:
 
 * IPv6 (NDP, Interface Identifier, ...)
 * IPSec
 * 802.1X
 
-## Library support
+## Third party libraries
 
-### Go:
-
-* gopacket (~libpcap): https://github.com/google/gopacket / https://pkg.go.dev/github.com/google/gopacket
+* [gopacket](https://github.com/google/gopacket): similar to libpcap, for parsing and serializing packets *(BSD 3-clause license, authors: Andreas Krennmair & Google)*
+* [dhcp4](https://github.com/krolaw/dhcp4): for handling and sending DHCP requests/responses *(BSD 3-clause license, author: Richard Warburton/krolaw)*
+* [logrus](https://github.com/sirupsen/logrus): improved logging *(MIT license, author: Simon Eskildsen/sirupsen)*
 
 ## Binaries
-### envctl - control VMs, network etc
-```
-$ ./envctl
-Usage: envctl {start|stop|restart} {all|network|vms|alpine|alpine1|alpine2|kali|proxy2|proxy3|proxies}
-```
-
 ### proxy - main binary
 ```
 $ ./proxy -help
@@ -43,7 +37,7 @@ Usage of ./proxy:
   -logfile string
         Location to write output to
   -newip string
-        IP after change (default "10.0.0.15")
+        IP after change
   -newmac string
         MAC after change
   -oldip string
@@ -54,6 +48,14 @@ Usage of ./proxy:
         Whether to pass every traffic through
   -pidfile string
         Location to write the pid to
-  -proxy string
-        Number of the proxy switch (default "1")
+  -smain string
+        Main switch sock path, - for stdin/out (default "/run/vde/sw_main.sock")
+  -sproxy string
+        Proxy switch sock path (default "/run/vde/sw_proxy1.sock")
+```
+
+### envctl - control VMs, network etc
+```
+$ ./envctl
+Usage: envctl {start|stop|restart} {all|network|vms|alpine|alpine1|alpine2|kali|proxy2|proxy3|proxies}
 ```
diff --git a/proxy/main.go b/proxy/main.go
index 09821e1..43406af 100644
--- a/proxy/main.go
+++ b/proxy/main.go
@@ -41,7 +41,7 @@ func main() {
 	// Get command line arguments
 	logLvl := flag.Int("log", 4, "allowed: 5 (debug), 4 (info), 3 (warning), 2 (error), 1 (fatal)")
 	oldIP := flag.String("oldip", "", "IP before change")
-	newIP := flag.String("newip", "10.0.0.15", "IP after change")
+	newIP := flag.String("newip", "", "IP after change")
 	oldMAC := flag.String("oldmac", "", "MAC before change")
 	newMAC := flag.String("newmac", "", "MAC after change")
 	passthrough := flag.Bool("passthrough", false, "Whether to pass every traffic through")
@@ -78,7 +78,9 @@ func main() {
 	c2, VmReader, VmWriter = cmd.Start(*sockProxy)
 	go pipeForward(cmd.In)
 	go pipeForward(cmd.Out)
-	sendDHCPRequest(dhcp4.Discover, net.IPv4zero)
+	if NewIP == nil {
+		sendDHCPRequest(dhcp4.Discover, net.IPv4zero)
+	}
 	if *sockMain != "-" {
 		c1.WaitH()
 	}