diff --git a/pkgs/system/all-packages-generic.nix b/pkgs/system/all-packages-generic.nix
index 484358c89c39..b7ee646a1c29 100644
--- a/pkgs/system/all-packages-generic.nix
+++ b/pkgs/system/all-packages-generic.nix
@@ -103,6 +103,11 @@
     stdenv = stdenv;
   };
 
+  cksfv = (import ../tools/networking/cksfv) {
+    fetchurl = fetchurl;
+    stdenv = stdenv;
+  };
+
   graphviz = (import ../tools/graphics/graphviz) {
     fetchurl = fetchurl;
     stdenv = stdenv;
diff --git a/pkgs/system/populate-cache.nix b/pkgs/system/populate-cache.nix
index d2612c920467..927a81438390 100644
--- a/pkgs/system/populate-cache.nix
+++ b/pkgs/system/populate-cache.nix
@@ -5,6 +5,7 @@ let {
       pkgs.unzip
       pkgs.valgrind
       pkgs.par2cmdline
+      pkgs.cksfv
       pkgs.graphviz
       pkgs.strategoxt093
       pkgs.libxml2
diff --git a/pkgs/tools/networking/cksfv/builder.sh b/pkgs/tools/networking/cksfv/builder.sh
new file mode 100755
index 000000000000..1b22f508241b
--- /dev/null
+++ b/pkgs/tools/networking/cksfv/builder.sh
@@ -0,0 +1,10 @@
+#! /bin/sh
+
+. $stdenv/setup || exit 1
+
+tar xvfz $src || exit 1
+cd cksfv-*/src || exit 1
+make || exit 1
+mkdir $out || exit 1
+mkdir $out/bin || exit 1
+install cksfv $out/bin || exit 1
diff --git a/pkgs/tools/networking/cksfv/default.nix b/pkgs/tools/networking/cksfv/default.nix
new file mode 100644
index 000000000000..5551831a1d50
--- /dev/null
+++ b/pkgs/tools/networking/cksfv/default.nix
@@ -0,0 +1,12 @@
+{stdenv, fetchurl}:
+
+derivation {
+  name = "cksfv-1.3";
+  system = stdenv.system;
+  builder = ./builder.sh;
+  src = fetchurl {
+    url = http://www.fodder.org/cksfv/cksfv-1.3.tar.gz;
+    md5 = "e00cf6a80a566539eb6f3432f2282c38";
+  };
+  stdenv = stdenv;
+}