diff --git a/bench/config/nginx.py b/bench/config/nginx.py
index a8516370..13d01b94 100644
--- a/bench/config/nginx.py
+++ b/bench/config/nginx.py
@@ -1,4 +1,4 @@
-import os, json, click, random, string
+import os, json, click, random, string, hashlib
 from bench.utils import get_sites, get_bench_name, exec_cmd
 
 def make_nginx_conf(bench_path, yes=False):
@@ -12,13 +12,17 @@ def make_nginx_conf(bench_path, yes=False):
 	config = get_config(bench_path)
 	sites = prepare_sites(config, bench_path)
 
+	bench_name = get_bench_name(bench_path)
+	bench_name_hash = hashlib.sha256('bench_name').hexdigest()[:16]
+
 	nginx_conf = template.render(**{
 		"sites_path": sites_path,
 		"http_timeout": config.get("http_timeout"),
 		"sites": sites,
 		"webserver_port": config.get('webserver_port'),
 		"socketio_port": config.get('socketio_port'),
-		"bench_name": get_bench_name(bench_path),
+		"bench_name": bench_name,
+		"bench_name_hash": bench_name_hash,
 		"error_pages": get_error_pages(),
 
 		# for nginx map variable
diff --git a/bench/config/templates/nginx.conf b/bench/config/templates/nginx.conf
index a086a250..ebcae666 100644
--- a/bench/config/templates/nginx.conf
+++ b/bench/config/templates/nginx.conf
@@ -139,6 +139,8 @@ upstream {{ bench_name}}-socketio-server {
     server 127.0.0.1:{{ socketio_port or 3000 }} fail_timeout=0;
 }
 
+limit_conn_zone $host zone=per_host_{{ bench_name_hash }}:3000m;
+
 # setup maps
 {%- set site_name_variable="$host" %}
 {% if sites.domain_map -%}
diff --git a/playbooks/install.py b/playbooks/install.py
index d337c7bb..7167c3df 100755
--- a/playbooks/install.py
+++ b/playbooks/install.py
@@ -5,6 +5,8 @@ from distutils.spawn import find_executable
 tmp_bench_repo = '/tmp/.bench'
 
 def install_bench(args):
+	check_brew_installed()
+
 	# pre-requisites for bench repo cloning
 	install_package('curl')
 	install_package('wget')
@@ -139,6 +141,20 @@ def install_package(package):
 	if not success:
 		could_not_install(package)
 
+def check_brew_installed():
+	if 'Darwin' not in os.uname():
+		return
+
+	brew_exec = find_executable('brew')
+
+	if not brew_exec:
+		raise Exception('''
+		Please install brew package manager before proceeding with bench setup. Please run following
+		to install brew package manager on your machine,
+
+		/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+		''')
+
 def clone_bench_repo(args):
 	'''Clones the bench repository in the user folder'''
 	if os.path.exists(tmp_bench_repo):