Proxy Security – Module 1
- Squid Proxy Initialization, Discuss Squid concepts & applications
- Configure DNS on primary SuSE Linux server for the Squid Proxy environment
- Confirm DNS environment, Start Squid and evaluate default configuration
- Install Squid Proxy server
General Proxy Usage
- Configure web browser tutilize proxy services,
- Grant permissions tpermit local hosts tutilize proxy services
- Discuss ideal file system layout – partitioning
- Explore key configuration files, Use client ttest the performance of proxy services
- Discuss HIT/MISS logic for serving content
- Configure proxy support for text-based (lftp/wget/lynx) HTTP clients
Squid Proxy Logs
- Discuss Squid Proxy logging mechanism
- Discuss & explore the Access log tidentify HITS and/or MISSES
- Discuss & explore the Store log tidentify cached content
- Convert Squid logs tthe Common Log Format (CLF) for easy processing
- Configure Webalizer tprocess Squid-CLF logs
- Configure Webalizer tprocess Squid Native logs
Squid Network Configuration & System Stats
- Discuss cachemgr.cgi Common Gateway Interface(CGI) script
- Explore the available metrics provided by cachemgr.cgi
- Change default Squid Proxy port, Modify text/graphical clients and test communications
- Discuss Safe Ports – usage & applications
Squid Access Control Lists (ACLs)
- IntrtAccess Control Lists (ACLs) – syntax
- Define & test multiple HTTP-based ACLs
- Define & test ACL lists – tsupport multiple hosts/subnets
- Implement destination domain based ACLs
- Exempt destination domains from being cached tensure content freshness
- Discuss the benefits of Regular Expressions (Regexes)
- Implement Regular Expressions ACLs tmatch URL patterns
- Exempt hosts/subnets from being cached or using the Squid cache
- Configure enterprise-class CiscPIX firewall tdeny outbound traffic
- Configure DNS round-robin with multiple Squid Proxy caches for load-balancing
- Discuss delay pool concepts & applications – bandwidth management
- Configure delay pools – tsupport rate-limiting
- Examine results of various delay pool classes
- Enforce maximum connections to deter Denial of Service (DoS) attacks
- Verify maximum connections comply with security policy
Download
- http://rapidshare.com/files/137297904/SQUID_PROXY_SERVER_WwW.TheDesiWorld.com_ShaYan.part1.rar
- http://rapidshare.com/files/137310962/SQUID_PROXY_SERVER_WwW.TheDesiWorld.com_ShaYan.part2.rar
- http://rapidshare.com/files/137323582/SQUID_PROXY_SERVER_WwW.TheDesiWorld.com_ShaYan.part3.rar
- http://rapidshare.com/files/137336755/SQUID_PROXY_SERVER_WwW.TheDesiWorld.com_ShaYan.part4.rar
- http://rapidshare.com/files/137347092/SQUID_PROXY_SERVER_WwW.TheDesiWorld.com_ShaYan.part5.rar
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