Squid

Squid 3.0 Configuration Manual
Support and Queries to E-mail squid_support@visolve.com Home Page: http://www.visolve.com Disclaimer: This manual is NOT a Squid tutorial. It does not, for example, takes the reader through step-by-step details of Squid installation and configuration. The objective of this manual is to explain, in as much detail as possible, every configuration parameter availablein Squid 3.0. As such, the reader is required to have prior knowledge of basic Squid installation and configuration. The details presented in this manual are in the nature of reference material.
For a complete tutorial on Squid, please visit http://www.squid-cache.org

NOTE: 1. Squid 3.0 is NOT a stable version. 2.

says newly added directives to squid 2.4 Stable x

Table of Contents
1.Network Parameters 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17.
http_port https_port ssl_unclean_shutdown ssl_engine sslproxy_client_certificate sslproxy_client_key sslproxy_version sslproxy_options sslproxy_cipher sslproxy_cafile sslproxy_capath sslproxy_flags icp_port htcp_port mcast_groups udp_incoming_address udp_outgoing_address

8. Access controls 1. 2. 3. 4. 5. 6. 7. 8. 9.10. 11.
acl http_access http_reply_access icp_access miss_access cache_peer_access ident_lookup_access tcp_outgoing_tos tcp_outgoing_address reply_body_max_size log_access

9. Administrative parameters 1. 2. 3. 4. 5. 6.
cache_mgr cache_effective_user cache_effective_group visible_hostname unique_hostname hostname_aliases

2.Options which affect the neighbour selection algorithm 1. 2. 3. 4. 5.6. 7. 8. 9. 10. 11.
cache_peer cache_peer_domain neighbor_type_domain icp_query_timeout maximum_icp_query_timeout minimum_icp_query_timeout mcast_icp_query_timeout dead_peer_timeout hierarchy_stoplist no_cache background_ping_rate

10. Options for cache registration services 1. 2. 3. 4.
announce_period announce_host announce_port announce_file

11. Miscellaneous 1. 2. 3. 4. 5. 6. 7.dns_testnames logfile_rotate append_domain tcp_recv_bufsize err_html_text email_err_data deny_info

3. Options which affect the cache size 1. cache_mem 2. cache_swap_low 3. cache_swap_high

4. 5. 6. 7. 8. 9. 10. 11. 12.

maximum_object_size minimum_object_size maximum_object_size_in_memory ipcache_size ipcache_low ipcache_high fqdncache_size cache_replacement_policy memory_replacement_policy

4.Logfile pathnames and cache directory 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16.
cache_dir logformat access_log cache_log cache_store_log cache_swap_log emulate_httpd_log log_ip_on_direct mime_table log_mime_hdrs useragent_log referer_log pid_filename debug_options log_fqdn client_netmask

5. Options for external support programs 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15.16. 17. 18.
ftp_user ftp_list_width ftp_passive ftp_sanitycheck check_hostnames cache_dns_program dns_children dns_retransmit_interval dns_timeout dns_defnames dns_nameservers hosts_file diskd_program unlinkd_program pinger_program redirect_program redirect_children redirect_concurrency

8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35.36. 37. 38. 39. 40. 41. 42.

memory_pools memory_pools_limit via forwarded_for log_icp_queries icp_hit_stale minimum_direct_hops minimum_direct_rtt cachemgr_passwd store_avg_object_size store_objects_per_bucket client_db netdb_low netdb_high netdb_ping_period query_icmp test_reachability buffered_logs reload_into_ims always_direct never_direct header_access header_replace icon_directoryerror_directory maximum_single_addr_tries snmp_port snmp_access snmp_incoming_address snmp_outgoing_address as_whois_server wccp_router wccp_version wccp_incoming_address wccp_outgoing_address

12. Delay pool parameters 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11.
delay_pools delay_class delay_access delay_parameters delay_initial_bucket_level incoming_icp_average incoming_http_average incoming_dns_average...