diff --git a/test/common.js b/test/common.js
index 2b97a33d1e82c6..6f7a4e1c77de90 100644
--- a/test/common.js
+++ b/test/common.js
@@ -3,6 +3,7 @@ var path = require("path");
 exports.testDir = path.dirname(__filename);
 exports.fixturesDir = path.join(exports.testDir, "fixtures");
 exports.libDir = path.join(exports.testDir, "../lib");
+exports.PORT = 12346;
 
 require.paths.unshift(exports.libDir);
 
diff --git a/test/disabled/test-cat.js b/test/disabled/test-cat.js
index 2ae15beaba845e..f5110404dc1bb3 100644
--- a/test/disabled/test-cat.js
+++ b/test/disabled/test-cat.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common.js"));
 http = require("/http.js");
-PORT = 8888;
 
 puts("hello world");
 
diff --git a/test/disabled/test-dns.js b/test/disabled/test-dns.js
index 47fa6e144c3b14..0d2bc2c3950188 100644
--- a/test/disabled/test-dns.js
+++ b/test/disabled/test-dns.js
@@ -1,4 +1,4 @@
-process.mixin(require("./common"));
+process.mixin(require("../common"));
 
 var dns = require("dns"),
     sys = require("sys");
diff --git a/test/disabled/test-eio-race3.js b/test/disabled/test-eio-race3.js
index bcfc6e095d0909..c911c077d91e5e 100644
--- a/test/disabled/test-eio-race3.js
+++ b/test/disabled/test-eio-race3.js
@@ -1,6 +1,6 @@
 /* XXX Can this test be modified to not call the now-removed wait()? */
 
-process.mixin(require("./common"));
+process.mixin(require("../common"));
 
 
 puts('first stat ...');
diff --git a/test/disabled/test-fs-sendfile.js b/test/disabled/test-fs-sendfile.js
index 41e16dffcf5f3d..225657205b3c93 100644
--- a/test/disabled/test-fs-sendfile.js
+++ b/test/disabled/test-fs-sendfile.js
@@ -1,8 +1,7 @@
-process.mixin(require("./common"));
+process.mixin(require("../common"));
 
 tcp = require("tcp");
 sys = require("sys");
-PORT = 23123;
 var x = path.join(fixturesDir, "x.txt");
 var expected = "xyz";
 
diff --git a/test/disabled/test-http-stress.js b/test/disabled/test-http-stress.js
index 003d19fdd2b338..da07bb72dff476 100644
--- a/test/disabled/test-http-stress.js
+++ b/test/disabled/test-http-stress.js
@@ -1,6 +1,5 @@
 process.mixin(require('../common.js'));
 
-var PORT = 8003;
 var request_count = 1000;
 var response_body = '{"ok": true}';
 
diff --git a/test/pummel/test-http-client-reconnect-bug.js b/test/pummel/test-http-client-reconnect-bug.js
index 0440a52a1fc089..67149e6a7626bf 100644
--- a/test/pummel/test-http-client-reconnect-bug.js
+++ b/test/pummel/test-http-client-reconnect-bug.js
@@ -4,8 +4,6 @@ var tcp = require("tcp"),
     sys = require("sys"),
     http = require("http");
 
-var PORT = 2143;
-
 var errorCount = 0;
 var eofCount = 0;
 
diff --git a/test/pummel/test-keep-alive.js b/test/pummel/test-keep-alive.js
index d9d444d21cc2b8..b77d815aeb69eb 100644
--- a/test/pummel/test-keep-alive.js
+++ b/test/pummel/test-keep-alive.js
@@ -2,7 +2,6 @@
 process.mixin(require("../common"));
 http = require("http");
 sys = require("sys");
-PORT = 8891;
 
 body = "hello world\n";
 server = http.createServer(function (req, res) {
diff --git a/test/pummel/test-multipart.js b/test/pummel/test-multipart.js
index 4ba19e2ebcd602..c3fb9492eed7db 100644
--- a/test/pummel/test-multipart.js
+++ b/test/pummel/test-multipart.js
@@ -3,7 +3,6 @@ process.mixin(require("../common"));
 var http = require("http"),
   multipart = require("multipart"),
   sys = require("sys"),
-  PORT = 8222,
   fixture = require("../fixtures/multipart"),
   events = require("events"),
   testPart = function (expect, part) {
diff --git a/test/pummel/test-tcp-many-clients.js b/test/pummel/test-tcp-many-clients.js
index 4653733faadf36..517b66ea4aa433 100644
--- a/test/pummel/test-tcp-many-clients.js
+++ b/test/pummel/test-tcp-many-clients.js
@@ -1,7 +1,6 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
 // settings
-var port = 20743;
 var bytes = 1024*40;
 var concurrency = 100;
 var connections_per_client = 5;
@@ -22,10 +21,10 @@ var server = tcp.createServer(function (c) {
     c.close();
   });
 });
-server.listen(port);
+server.listen(PORT);
 
 function runClient (callback) {
-  var client = tcp.createConnection(port);
+  var client = tcp.createConnection(PORT);
   client.connections = 0;
   client.setEncoding("utf8");
 
@@ -48,7 +47,7 @@ function runClient (callback) {
     assert.equal(false, had_error);
     assert.equal(bytes, client.recved.length);
     if (this.connections < connections_per_client) {
-      this.connect(port);
+      this.connect(PORT);
     } else {
       callback();
     }
diff --git a/test/pummel/test-tcp-pingpong-delay.js b/test/pummel/test-tcp-pingpong-delay.js
index ae6868a8a2d35b..5afe0eacddce6e 100644
--- a/test/pummel/test-tcp-pingpong-delay.js
+++ b/test/pummel/test-tcp-pingpong-delay.js
@@ -84,7 +84,7 @@ function pingPongTest (port, host, on_complete) {
   });
 }
 
-pingPongTest(21988);
+pingPongTest(PORT);
 
 process.addListener("exit", function () {
   assert.equal(1, tests_run);
diff --git a/test/pummel/test-tcp-pingpong.js b/test/pummel/test-tcp-pingpong.js
index 75e302c5f92884..9fa231ee28d516 100644
--- a/test/pummel/test-tcp-pingpong.js
+++ b/test/pummel/test-tcp-pingpong.js
@@ -1,7 +1,6 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
 
-
 var tests_run = 0;
 
 function pingPongTest (port, host, on_complete) {
@@ -81,9 +80,9 @@ function pingPongTest (port, host, on_complete) {
 }
 
 /* All are run at once, so run on different ports */
-pingPongTest(20989, "localhost");
-pingPongTest(20988, null);
-pingPongTest(20997, "::1");
+pingPongTest(PORT, "localhost");
+pingPongTest(PORT+1, null);
+pingPongTest(PORT+2, "::1");
 
 process.addListener("exit", function () {
   assert.equal(3, tests_run);
diff --git a/test/pummel/test-tcp-throttle-kernel-buffer.js b/test/pummel/test-tcp-throttle-kernel-buffer.js
index 6f966fbc8810f6..8914e3556d6f92 100644
--- a/test/pummel/test-tcp-throttle-kernel-buffer.js
+++ b/test/pummel/test-tcp-throttle-kernel-buffer.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
-PORT = 20444;
 N = 30*1024; // 500kb
 
 puts("build big string");
diff --git a/test/pummel/test-tcp-throttle.js b/test/pummel/test-tcp-throttle.js
index 57ccec190a4a24..0316e7797d5988 100644
--- a/test/pummel/test-tcp-throttle.js
+++ b/test/pummel/test-tcp-throttle.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
-PORT = 20443;
 N = 200;
 
 server = tcp.createServer(function (connection) {
diff --git a/test/pummel/test-tcp-timeout.js b/test/pummel/test-tcp-timeout.js
index 1fd95540cbd64d..6c04768dcf7281 100644
--- a/test/pummel/test-tcp-timeout.js
+++ b/test/pummel/test-tcp-timeout.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
-port = 9992;
 exchanges = 0;
 starttime = null;
 timeouttime = null;
@@ -25,10 +24,10 @@ var echo_server = tcp.createServer(function (socket) {
   });
 });
 
-echo_server.listen(port);
-puts("server listening at " + port);
+echo_server.listen(PORT);
+puts("server listening at " + PORT);
 
-var client = tcp.createConnection(port);
+var client = tcp.createConnection(PORT);
 client.setEncoding("UTF8");
 client.setTimeout(0); // disable the timeout for client
 client.addListener("connect", function () {
diff --git a/test/pummel/test-tcp-tls.js b/test/pummel/test-tcp-tls.js
index 0635ea58dc3dcf..9cdad204dbffcf 100644
--- a/test/pummel/test-tcp-tls.js
+++ b/test/pummel/test-tcp-tls.js
@@ -110,8 +110,8 @@ if (have_tls) {
   var keyPem = fs.readFileSync(fixturesDir+"/test_key.pem");
 
   /* All are run at once, so run on different ports */
-  tlsTest(20443, "localhost", caPem, keyPem, certPem);
-  tlsTest(21443, null, caPem, keyPem, certPem);
+  tlsTest(PORT, "localhost", caPem, keyPem, certPem);
+  tlsTest(PORT+1, null, caPem, keyPem, certPem);
 
   process.addListener("exit", function () {
     assert.equal(2, tests_run);
diff --git a/test/simple/test-http-1.0.js b/test/simple/test-http-1.0.js
index 455b9e225446ba..8a54b9034285ce 100644
--- a/test/simple/test-http-1.0.js
+++ b/test/simple/test-http-1.0.js
@@ -2,8 +2,6 @@ process.mixin(require("../common"));
 tcp = require("tcp");
 http = require("http");
 
-var port = 7333;
-
 var body = "hello world\n";
 var server_response = "";
 var client_got_eof = false;
@@ -13,9 +11,9 @@ var server = http.createServer(function (req, res) {
   res.write(body);
   res.close();
 })
-server.listen(port);
+server.listen(PORT);
 
-var c = tcp.createConnection(port);
+var c = tcp.createConnection(PORT);
 
 c.setEncoding("utf8");
 
diff --git a/test/simple/test-http-cat.js b/test/simple/test-http-cat.js
index c6c2de845ba720..7e729b275e0826 100644
--- a/test/simple/test-http-cat.js
+++ b/test/simple/test-http-cat.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 http = require("http");
-PORT = 8888;
 
 var body = "exports.A = function() { return 'A';}";
 var server = http.createServer(function (req, res) {
diff --git a/test/simple/test-http-chunked.js b/test/simple/test-http-chunked.js
index 2ff677c2f0feb2..4bcabcc942f204 100644
--- a/test/simple/test-http-chunked.js
+++ b/test/simple/test-http-chunked.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 var http = require("http");
-var PORT = 8888;
 
 var UTF8_STRING = "Il était tué";
 
diff --git a/test/simple/test-http-client-race.js b/test/simple/test-http-client-race.js
index 2ae92bcaeb672d..acea6993f3e48b 100644
--- a/test/simple/test-http-client-race.js
+++ b/test/simple/test-http-client-race.js
@@ -1,7 +1,6 @@
 process.mixin(require("../common"));
 http = require("http");
 url = require("url");
-PORT = 8888;
 
 var body1_s = "1111111111111111";
 var body2_s = "22222";
diff --git a/test/simple/test-http-client-upload.js b/test/simple/test-http-client-upload.js
index 91fc6606512cb3..8c05de4d37a520 100644
--- a/test/simple/test-http-client-upload.js
+++ b/test/simple/test-http-client-upload.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 http = require("http");
-var PORT = 18032;
 
 var sent_body = "";
 var server_req_complete = false;
diff --git a/test/simple/test-http-eof-on-connect.js b/test/simple/test-http-eof-on-connect.js
index 6be2e71a66a28a..ffa07b1ebb5879 100644
--- a/test/simple/test-http-eof-on-connect.js
+++ b/test/simple/test-http-eof-on-connect.js
@@ -5,12 +5,11 @@ http = require("http");
 // This is a regression test for http://github.com/ry/node/issues/#issue/44
 // It is separate from test-http-malformed-request.js because it is only
 // reproduceable on the first packet on the first connection to a server.
-port = 9999;
 
 server = http.createServer(function (req, res) {});
-server.listen(port);
+server.listen(PORT);
 
-tcp.createConnection(port).addListener("connect", function () {
+tcp.createConnection(PORT).addListener("connect", function () {
         this.close();
 }).addListener("close", function () {
 	server.close();
diff --git a/test/simple/test-http-malformed-request.js b/test/simple/test-http-malformed-request.js
index 27b6e80fcef793..5121df4d4ab221 100644
--- a/test/simple/test-http-malformed-request.js
+++ b/test/simple/test-http-malformed-request.js
@@ -5,7 +5,6 @@ url = require("url");
 
 // Make sure no exceptions are thrown when receiving malformed HTTP
 // requests.
-port = 9999;
 
 nrequests_completed = 0;
 nrequests_expected = 1;
@@ -19,9 +18,9 @@ var s = http.createServer(function (req, res) {
 
   if (++nrequests_completed == nrequests_expected) s.close();
 });
-s.listen(port);
+s.listen(PORT);
 
-var c = tcp.createConnection(port);
+var c = tcp.createConnection(PORT);
 c.addListener("connect", function () {
   c.write("GET /hello?foo=%99bar HTTP/1.1\r\n\r\n");
   c.close();
diff --git a/test/simple/test-http-proxy.js b/test/simple/test-http-proxy.js
index f3bd0a8e93db06..6f3af1d4492718 100644
--- a/test/simple/test-http-proxy.js
+++ b/test/simple/test-http-proxy.js
@@ -2,8 +2,8 @@ process.mixin(require("../common"));
 http = require("http");
 url = require("url");
 
-var PROXY_PORT = 8869;
-var BACKEND_PORT = 8870;
+var PROXY_PORT = PORT;
+var BACKEND_PORT = PORT+1;
 
 var backend = http.createServer(function (req, res) {
   // debug("backend");
diff --git a/test/simple/test-http-server.js b/test/simple/test-http-server.js
index 307256b74857a8..fc5e6f1552b2bb 100644
--- a/test/simple/test-http-server.js
+++ b/test/simple/test-http-server.js
@@ -4,8 +4,6 @@ http = require("http");
 url = require("url");
 qs = require("querystring");
 
-var port = 8222;
-
 var request_number = 0;
 var requests_sent = 0;
 var server_response = "";
@@ -43,9 +41,9 @@ http.createServer(function (req, res) {
     res.close();
   }, 1);
 
-}).listen(port);
+}).listen(PORT);
 
-var c = tcp.createConnection(port);
+var c = tcp.createConnection(PORT);
 
 c.setEncoding("utf8");
 
diff --git a/test/simple/test-http-tls.js b/test/simple/test-http-tls.js
index c250adf8e63df4..1a6e33b6d82ff7 100644
--- a/test/simple/test-http-tls.js
+++ b/test/simple/test-http-tls.js
@@ -1,7 +1,6 @@
 process.mixin(require("../common"));
 http = require("http");
 url = require("url");
-PORT = 8888;
 
 HOST = "localhost";
 
diff --git a/test/simple/test-http-wget.js b/test/simple/test-http-wget.js
index 1184c463605a99..dfe9701e61ad96 100644
--- a/test/simple/test-http-wget.js
+++ b/test/simple/test-http-wget.js
@@ -17,8 +17,6 @@ http = require("http");
 // content-length is not provided, that the connection is in fact 
 // closed.
 
-var port = 7333;
-
 var server_response = "";
 var client_got_eof = false;
 var connection_was_closed = false;
@@ -29,9 +27,9 @@ var server = http.createServer(function (req, res) {
   res.write("world\n");
   res.close();
 })
-server.listen(port);
+server.listen(PORT);
 
-var c = tcp.createConnection(port);
+var c = tcp.createConnection(PORT);
 
 c.setEncoding("utf8");
 
diff --git a/test/simple/test-http.js b/test/simple/test-http.js
index 815ebf925e6455..cd91d499043a88 100644
--- a/test/simple/test-http.js
+++ b/test/simple/test-http.js
@@ -1,7 +1,6 @@
 process.mixin(require("../common"));
 http = require("http");
 url = require("url");
-PORT = 8888;
 
 var responses_sent = 0;
 var responses_recvd = 0;
diff --git a/test/simple/test-remote-module-loading.js b/test/simple/test-remote-module-loading.js
index 3b99ea629bc023..f2463a4ebd7772 100644
--- a/test/simple/test-remote-module-loading.js
+++ b/test/simple/test-remote-module-loading.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 
-var PORT = 8889;
 var http = require('http');
 var sys = require('sys');
 var url = require("url");
diff --git a/test/simple/test-tcp-binary.js b/test/simple/test-tcp-binary.js
index fb2b8b4f2bbff8..796061b0a0d81d 100644
--- a/test/simple/test-tcp-binary.js
+++ b/test/simple/test-tcp-binary.js
@@ -1,6 +1,5 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
-PORT = 23123;
 
 binaryString = "";
 for (var i = 255; i >= 0; i--) {
diff --git a/test/simple/test-tcp-reconnect.js b/test/simple/test-tcp-reconnect.js
index 65563b644b890d..090ec61be1508e 100644
--- a/test/simple/test-tcp-reconnect.js
+++ b/test/simple/test-tcp-reconnect.js
@@ -1,7 +1,6 @@
 process.mixin(require("../common"));
 tcp = require("tcp");
 var N = 50;
-var port = 8921;
 
 var c = 0;
 var client_recv_count = 0;
@@ -21,9 +20,9 @@ var server = tcp.createServer(function (socket) {
     assert.equal(false, had_error);
   });
 });
-server.listen(port);
+server.listen(PORT);
 
-var client = tcp.createConnection(port);
+var client = tcp.createConnection(PORT);
 
 client.setEncoding("UTF8");
 
@@ -42,7 +41,7 @@ client.addListener("close", function (had_error) {
   puts("disconnect");
   assert.equal(false, had_error);
   if (disconnect_count++ < N)
-    client.connect(port); // reconnect
+    client.connect(PORT); // reconnect
   else
     server.close();
 });