Explicit proxy is also used effectively when proxy settings can be applied by group policy. Note that the wccp assignment method not virtual ip failover is the recommended method for managing load distribution. This is by no means an exhaustive or comprehensive list, but is rather meant to be a command line kb of sorts mainly for my quick reference. Even though vlan39 has ip wccp redirect exclude in applied to the svi the nexus appears to ignore this bug because when it sends it back out vlan38 the redirection occurs all over again. Now depending on the appliance you are working with, it will have the default wccp service identifier per protocol.
Web cache communication protocol wccp is a ciscodeveloped content routing protocol. Transparency can be accomplished by deploying the proxy inline inpath or via wccp or layer 4 redirection. As the worlds leading proxy appliance, the blue coat proxysg is a powerful yet flexible tool for improving both application performance and security, removing the need for compromise. Blue coat offers solutions that provide the visibility, acceleration and security required to optimize and secure the flow of information to any user, on any network, anywhere. Web cache communication protocol wccp is a ciscodeveloped contentrouting protocol that provides a mechanism to redirect traffic flows in realtime. Websense content gateway provides the following proxy. Difference between transparent and forward proxy mode cisco. If youre looking for a free download links of introduction to bluecoat web security. The squid proxy server will announce itself to the router using udp port 2048 and the router will. Describe the role of the proxysg as it relates to other blue. Redirecting remoteaccess vpn traffic to bluecoat web proxy. Client and proxy devices must be one same security interface of asa.
I have been tasked to setup a transparent squid proxy and do redirection on a cisco 65 switch. The proxysg va must be installed virtually inpath using web cache communication protocol wccp. Initial install this document assumes a proxysg in factorydefault state. This type of deployment is recommended for simple networks with a small number of users. Transparent forwarding deployment using wccp we proxy all egress traffic 4 ports excluding mail, dns and things explicitly exempted protocols or enforced on their respective ports content filtering bcwf av scanning mcafee internet authentication. Performance blue coats patented mach5 acceleration technology combines five. Use of this protocol considerably enhances the capabilities for load balancing and failover. Ive seen wccp used with squid proxy servers, blue coat web caching and content filtering appliances, and cisco content caching engines. If the bluecoat doesnt apply policy, the traffic is returned via l2 to the nexus. Monitoring of web sites and traffic volumes restricting web. Bluecoat proxy sg, caching, antivirus, and reporter pdf, epub, docx and torrent then this site is not for you. The client is unaware of the proxys presence and believes that it is talking directly to the ocs. The asa, proxy and l3 core switch are all on a 29 network.
Cisco roll out a bluecoat as a wccp for a asa 5520 may 25, 2012. Blue coat systems reference guide wccp reference guide for sgos 5. Bccpp blue coat certified proxy exam question answer. In addition to url category filtering, you can filter content by web application andor specific operations or actions done within those applications. In transparent proxy deployments, the client does not know that it is interacting with a proxysg rather than. The wccp ces such as bluecoat are to define a set of protocols and ports that are to be redirected for each service group. Find answers to help me get wccp working between cisco and blue coat from the expert community at.
The mapi proxy itself is a split proxy, which is only viable in a deployment that consists of a proxysg at the branch office and a concentrator proxysg at the core. Use of websense content gateway in an explicit proxy deployment is an easy way to handle web requests from users. Bluecoat proxy sg, caching, antivirus, and reporter antony, joe on. Copyright 19952020 symantec corporation, powered by opensource software. Wccp is a protocol that is used when a caching device, such as the proxysg va, is not deployed physically inpath with the router. Blue coat proxysg eol alternatives and competitors it. One thing to note is if i explicitly set the proxy ip in my web browser, it works. In april of 20, on a secret contract with eric holders department of justice, blue coat systems was encharged surreptitious intelligence in the monitoring, tracking, and crosswalking of all commenting to glenn greenwald authored articles related to the edward snowdon scandal, the. To allow the wccp traffic through the security gateway, create a specific service for udp port 2048 relevant for wccp v1. A split proxy employs cooperative processing at the branch and the core to implement functionality that is not possible in a standalone proxy.
Bluecoat proxy sg, caching, antivirus, and reporter. As far as i understand, wccp uses services for the traffic being redirected to the cacheproxy engine and the same service numbers must be configured on the cache engine since they work as identifiers for the traffic in question. Cisco asa wccp configuration guidelines to bluecoat. I changed the interface in the bluecoat config for wccp to 10. Configure the proxysg to accept wccpredirected traffic. In addition, you cannot include a check point security gateway in a wccp service group. The blue coat certified proxysg administrator bccpa course is intended for it professionals who wish to master the fundamentals of the blue coat proxysg. All right, title and interest in and to the software and do cumentation are and shall remain the exclusive property of blue coat systems, inc. The web cache communication protocol wccp is a ciscodeveloped protocol that allows certain cisco routers and switches to transparently redirect traffic to a cache engine such as a proxysg appliance. Transparent interception with wccp v2 devices forcepoint. Cisco switchingrouting wccp on 6500 with squid proxy may 19, 2012. High performance onpremises appliances that protect organizations across the web, social media, applications and mobile networks.
Help me get wccp working between cisco and blue coat. It allows a router running linux to redirect web traffic to a group of squid servers using wccp as the monitoringcontroling protocol. The client is unaware of the proxy s presence and believes that it is talking directly to the ocs. If a content gateway cluster receives requests both explicitly and transparently the networks must be separate. What is the best design of bluecoat proxy deployment. I dont have access to the squid but think that my config below should be ok.
Introduction there are a number of good reasons for companies to deploy proxies for user access to the internet. I was thinking on the layer 3 interface between the core 6509s and the asa. The first use of a new or blue coatproprietary term, or a variable. Proxysg first steps web guidecontrolling web applications. For more information on how to configure wccp on the proxysg appliance, see. Proxy must be able to communicate to client without going through the asa firewall. To demonstrate this i will use the following topology, a small network that has a cisco router, a host that will browse the internet and a squid proxy server. The fortigate retransmitted the content from the web proxy to the client. The web cache communication protocol wccp is a ciscodeveloped protocol that allows certain cisco. For inline deployments, connect the clientside of the network to. At the core of the solution is the blue coat patentpending policy processing engine providing scalable, granular control for the most rigorous environments. Using the wccp protocol, a wccpcapable router transparently intercepts traffic and redirects it to the proxysg va. Tech pillar is your online directory to compare blue coat proxysg 200 vs websense x10g. Describe the major secure web gateway functions of the proxysg.
The web proxy gets the content if required and services the client by sending the content back to the fortigate. Use restoredefaults factory from the serial console enable mode to reset a device. Wccpv2 supports the redirection of packets intended for other ports, including those used for proxyweb cache handling, file transfer protocol. Transparent web proxying with cisco wccp and squid crypt. Symantecwebsecurityservicepage5 filtercontent aboutcontentfiltering 14 controluseraccesstowebcontent 16 aboutthedefaultpolicies 16 step1. Cisco roll out a bluecoat as a wccp for a asa 5520. Let it central stations network of 410,439 technology professionals help you find the right product for your company. How to configure ip wccp between cisco nexus 7k with bluecoat proxy sg find us on appliance proxy. Find answers to help me get wccp working between cisco and blue coat from the expert community at experts exchange. Here is a list of blue coat proxysg cli commands, that i have compiled from my studies, blue coat documents, and places around the web. My test website never says that im coming from the proxy. Lowest cost of ownership initially, proxy software for a generalpurpose server can be less expensive, but over time, the increased.
Blue coat systems reference guide wccp reference guide for sgos contact information americas. Best practices configuring the explicit proxy mode with. Proxy forwarding symantec web security service login. This topology should meet some of the more obscure requirements ive read in some of the linked documents i. Check point does not support the web cache communication protocol wccp. Transparent vs explicit proxy which method should i use. By clicking accept, you understand that we use cookies to improve your experience on our website. Cisco switchingrouting wccp on 6500 with squid proxy. Wccp is a method by which the asa can redirect traffic to a wccp caching.
When implementing the explicit proxy mode on a web gateway appliance, you can configure the redirection of web traffic to web gateway under wccp web cache communication protocol. Configure wccp on your cisco ios router techrepublic. Proxyfowardingaccessmethodpage7 verifyrequiredopenports 49 addaproxy forwarding location 50 verifyconnections 52 remoteusers 53 windowsua 54 macua 55. Configure transparent redirection with wccp in order to.
In this paper i show how to configure transparent web proxy using a cisco switch or router with wccp, and a squid proxy server. It has builtin load balancing, scaling, fault tolerance, and serviceassurance failsafe mechanisms. This document describes concepts, limitations, and configuration of the web cache coordination protocol wccp on a cisco adaptive security appliance asa. Wccp is of particular use to vendors of web cacheproxy security appliances for redirection of web traffic. Wccp is a method by which the asa can redirect traffic to a wccp caching engine through a generic routing encapsulation gre tunnel. This chapter describes the wccp concepts that you will need to understand in order to deploy wccp on your proxysg appliances.
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