X-Cache and X-Cache-Lookup Headers - Lyte's Blog
I watched a discussion about X-Cache and X-Cache-Lookup headers unfold recently and it turns out a lot of people who I would have thought knew what these headers were indicating were a little muddled up. Further more, it turned out if you go looking for a good explanation, everyone seems to just link to this rather old blog post - despite being well meaning, it’s unfortunately slightly confused to
Squid’s Inner Workings
🔗 Squid’s Inner Workings 🔗 What are cachable objects? An Internet Object is a file, document or response to a query for an Internet service such as FTP, HTTP, or gopher. A client requests an Internet object from a caching proxy; if the object is not already cached, the proxy server fetches the object (either from the host specified in the URL or from a parent or sibling cache) and delivers it to
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13.1. プãƒã‚シサーãƒãƒ¼ã®æ¦‚è¦Proxy（代ç†ï¼‰ã‚µãƒ¼ãƒãƒ¼ã¯ã€å†…部ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«å˜åœ¨ã™ã‚‹ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¸ WWW サービスをæä¾›ã™ã‚‹ãŸã‚ã®ä»£ç†ã‚µãƒ¼ãƒãƒ¼ã¨ã—ã¦åˆ©ç”¨ã•ã‚Œã¦ã„ã¾ã™ã€‚内部ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¯ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã«ç›´æŽ¥æŽ¥ç¶šã›ãšã«ã€å¤–部ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã¨å†…部ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã‚’分離ã™ã‚‹ã‚²ãƒ¼ãƒˆã‚¦ã‚§ã‚¤ãªã©ã«è¨ç½®ã•ã‚ŒãŸãƒ—ãƒã‚シサーãƒãƒ¼ãŒå¤–部ã¨ã®ä»£ç†ã‚¢ã‚¯ã‚»ã‚¹ã‚’è¡Œã„ã¾ã™ã€‚ã¤ã¾ã‚Šã€ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã‹ã‚‰ã® HTTP リクエストをプãƒã‚シサーãƒãƒ¼ãŒå—ã‘å–ã‚Šã€ã“ã®ãƒ—ãƒã‚シサーãƒãƒ¼ãŒå¤–部㮠Web サーãƒãƒ¼ã«æŽ¥ç¶šã—ã¾ã™ã€‚Web サーãƒãƒ¼ã‹ã‚‰ã®ãƒ¬ã‚¹ãƒãƒ³ã‚¹ã¯ãƒ—ãƒã‚シサーãƒãƒ¼ã¸è¿”ã•ã‚Œã€ãƒ—ãƒã‚シサーãƒãƒ¼ã¯å†…部ã®ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã¸ãれを返ã—ã¾ã™ã€‚ã“ã®ã‚ˆã†ã«ã€ãƒ—ãƒã‚シサーãƒãƒ¼ã¯ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«çš„ãªæ„味åˆã„ã§åºƒã利用ã•ã‚Œã¦ã„ã¾ã™ãŒã€ãƒ—ãƒã‚シサーãƒãƒ¼ã¯ã‚¢ã‚¯ã‚»ã‚¹ã—㟠Web ページã®ã‚ªãƒ–ジェクトをã‚ャッシュã™ã‚‹ãŸã‚ã€ãƒ‘フォーマンスã®å‘上
Install Squid 3.1 on Centos 5.X | x83.net
yum -y groupinstall Development Tools yum -y install rpm-build openjade linuxdoc-tools openldap-devel pam-devel openssl-devel httpd rpm-devel expat-develPagesHome Services Contact Archives September 2010 July 2010 May 2010 April 2010 February 2010 October 2009 September 2009 August 2009 July 2009 June 2009 February 2009 October 2008 March 2008 April 2007 March 2007 Categories BSD (11) FreeBSD (7)
Using SQUID 3 As Anonymous Proxy On CentOS 5.x
Anonymous Proxy Using SQUID 3 On CentOS 5.xThis howto describes step by step a method to install a SQUID 3 server as an Anonymous Proxy. An anonymous proxy is a tool that attempts to make activity on the Internet untraceable. It accesses the Internet on the user's behalf, protecting personal information by hiding the source computer's identifying information. Simply say to hide your IP. The follow
Squid unofficial support for RHEL
These packages are UNOFFICIAL and UNSUPPORTED by Red Hat, Inc. The latest upstream packages for Red Hat Enterprise Linux 4: squid-2.6.STABLE23-1.el4 squid-2.7.STABLE9-1.el4 The latest upstream packages for Red Hat Enterprise Linux 5: squid-2.6.STABLE23-1.el5 squid-2.7.STABLE9-1.el5 squid-3.0.STABLE25-1.el5 squid-3.1.4-1.el5 The latest relase notes: Release notes 2.6 Release notes 2.7 Release note
squid : acl configuration directive
ACLs all, manager, localhost, to_localhost, to_linklocal, and CONNECT are predefined. # # Recommended minimum configuration: # # Example rule allowing access from your local networks. # Adapt to list your (internal) IP networks from where browsing # should be allowed Defining an Access List Every access list definition must begin with an aclname and acltype, followed by either type-specific argume
http://icp.ircache.net/carp.txt
INTERNET-DRAFT Vinod Valloppillil Microsoft Corporation Keith W. Ross University of Pennsylvania 26 Feb 1998 Expires August 1998 Cache Array Routing Protocol v1.0 Status of this Memo This document is an Internet-Draft. Internet-Drafts are working documents of the Internet Engineering Task Force (IETF), its areas, and its working groups. Note that other groups may also distribute working documents
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Squidを検索ã™ã‚‹åº¦ã«æœ€åˆã«è¡¨ç¤ºã•ã‚Œã‚‹ç”»åƒæ¤œç´¢ã®çµæžœã«å¹ã出ã—ãã†ã«ãªã‚‹é–‹ç™ºéƒ¨ãƒ»ã‚·ã‚¹ãƒ†ãƒ é‹ç”¨ã‚°ãƒ«ãƒ¼ãƒ—ã®é•·é‡Žã§ã™ã€‚å‰å›žã®ãƒãƒ³ã‚°ãƒ†ãƒ¼ãƒ«ãªç”»åƒé…ä¿¡ã®ãã®2ã¨ã„ã†ã“ã¨ã§ã€å®Ÿéš›ã®ç”»åƒé…信システムã«ã¤ã„ã¦æ›¸ã‹ã›ã¦é ‚ãã¾ã™ã€‚ ■プãƒãƒ•ã‚£ãƒ¼ãƒ«ç”»åƒã®é…ä¿¡ã«ã¤ã„㦠å‰å›žç´¹ä»‹ã—ã¾ã—ãŸãŒã€mixiã«ãŠã„ã¦ãƒ—ãƒãƒ•ã‚£ãƒ¼ãƒ«å†™çœŸã‚’è¨å®šã‚’è¨å®šã—ã¦ã„るユーザ数ã¯å…¨ä½“ã®ç´„70%ã€1,000万人ã®æ–¹ãŒè¨å®šã‚’ã•ã‚Œã¦ã„ã¾ã™ã€‚ç¾åœ¨é…ä¿¡ã‚’ã—ã¦ã„るプãƒãƒ•ã‚£ãƒ¼ãƒ«ç”»åƒã®ã‚µã‚¤ã‚ºã¯180x180ã€76x76ã€40x40ã¨ï¼“サイズã‚ã‚Šã€åˆè¨ˆ3,000万以上ã®ãƒ•ã‚¡ã‚¤ãƒ«æ•°ã«ãªã£ã¦ã„ã¾ã™ã€‚ã¾ãŸã€ã‚‚ã£ã¨ã‚‚よã使ã‚れる76x76ã®ã‚µã‚¤ã‚º1,000万件ã«ãŠã„ã¦ã€1æ—¥ã«ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã‚‹ç”»åƒã®æ•°ã¯800万ファイル以上ã€ã†ã¡97%ãŒ30回以下ã¨éžå¸¸ã«åºƒç¯„囲ã«æ¸¡ã£ã¦ã‚¢ã‚¯ã‚»ã‚¹ã•ã‚Œã¦ã„ã¾ã™ã€‚ãã®ãŸã‚大é‡ã®ç”»åƒã‚’é…ä¿¡ã§ãる仕組ã¿ãŒå¿…è¦ã«ãªã‚Šã¾ã™ã€‚ â– é…信システムã®å…¨ä½“åƒ ãƒ—
squid ã®é™ç•Œï¼Ÿ - 「何ã§ã‚‚ゆーãžãƒ¼ã€ï¼šæ¥½å¤©ãƒ–ãƒã‚°
2008å¹´09月09æ—¥ squid ã®é™ç•Œï¼Ÿ カテゴリ：ITæƒ…å ± Linux Kernel 2.6.18-6-amd を利用ã—ã¦ã€64bit環境ã§squidã§ã‚ャッシュサーãƒã‚’使ã£ã¦ã¿ãŸçµæžœã‚’。。 ï¼ãƒ¡ãƒ¢ãƒªã‚ャッシュã®ã¿ Memory８GB NIC 1ï¼ï¼ï¼Mbps CPU 3GHz ã“ã®æ§‹æˆã§ã®é™ç•Œå€¤ï¼š traffic　　　　　　110Mbps Hit率 　　　　　　　　40ï¼… Request数　　　1400rps ボトルãƒãƒƒã‚¯ï¼šCPU（Load） squidã¯ã€ã‚·ãƒ³ã‚°ãƒ«ãƒ—ãƒã‚»ã‚¹ãªã®ã§è¤‡æ•°ã‚¤ãƒ³ã‚¹ã‚¿ãƒ³ã‚¹ç«‹ã¦ã‚Œã°ã‚‚ã£ã¨ã„ã‘ã‚‹ã‹ã‚‚？ メモリー競åˆã¨ã‹èµ·ã“らãªã‘ã‚Œã°ã®è©±ã€‚ ï¼Diskã‚ャッシュ利用（Coss） Memory 8GB NIC　１ï¼ï¼ï¼Mbps CPU 3GHz Disk 73GB x2 (Raid 0) ã‚ャッシュ用Diské ˜åŸŸã€€ï¼‘ï¼‘ï¼GB ã“ã®æ§‹æˆã§ã®é™ç•Œå€¤ï¼š traffic　　
Squidã®Carp検証続ã - 「何ã§ã‚‚ゆーãžãƒ¼ã€ï¼šæ¥½å¤©ãƒ–ãƒã‚°
2008å¹´10月22æ—¥ Squidã®Carp検証続ã カテゴリ：日記 ã•ã¦ã¯ã¦ã€å‰å›žã©ã“ã¾ã§ã¯ãªã—ãŸã‹ãªã€‚。。 é™ç•Œå€¤ã®ã“ã¨ã¯æ›¸ã„ãŸã¨æ€ã†ã‘ã©ã€ã¡ã‚‡ã£ã¨ã†ãæƒ…å ±ã ã£ãŸã¿ãŸã„ãªã®ã§ã€ã¡ã‚ƒã‚“ã¨ã—ãŸçµæžœã‚’書ãã¾ã™ã€‚ - Squid1インスタンスã®é™ç•Œ ■測定値 4500 Transactions/Sec 150 Mbps ■ボトルãƒãƒƒã‚¯ CPU (1インスタンスã§1プãƒã‚»ã‚¹ã®ç‚ºã€CPU 1コア 100%ã«ãªã‚Šãれ以上å—ã‘られãªããªã‚‹ã€‚) ※Trafficã¯ã€ã‚³ãƒ³ãƒ†ãƒ³ãƒ„サイズを大ããã™ã‚Œã°ã¾ã ã¾ã å¯èƒ½ - Squid7インスタンスã®é™ç•Œ (2byteコンテンツ) ■測定値1 (2byteコンテンツ) 22000 Transaction/Sec 50 Mbps ■ボトルãƒãƒƒã‚¯1 親サーム(Apache_mod_mem_cache構æˆã«ã—ãŸãŒã€LoadãŒ10を越ãˆã¦ãれ以上å—ã‘られãªããªã£ãŸ
squidã§ã“ã‚“ãªã‚¨ãƒ©ãƒ¼ãŒå¤§é‡ - æ°—ã¾ãã‚ŒSE日記
OS:TruboLinux 10 Server squidã¯rpm ã§å…¥ã£ã¦ã‚‹å¥´ TurboLinuxã§squidãŒèµ°ã‚‹ã‚µãƒ¼ãƒã‚’何個ã‹ç”¨æ„ã—ã¦ã€å…„弟ã‚ャッシュを有効ã«ã—ãŸã¨ãŸã‚“〠squidãŒé‡ãŸããªã£ãŸã—ã¾ã„ã€ã—ã°ã‚‰ã接続ä¸èƒ½ãªçŠ¶æ…‹ã«é™¥ã£ã¦ã—ã¾ã£ãŸã€‚ åŽŸå› ã¯ãªã‚“ã ã‚ã£ã‹ï¼Ÿã£ã¦ã“ã¨ã§ãƒã‚°ã‚’見ã¦ã¿ãŸã‚‰ã€squidã®cache.logã«ã“ã‚“ãªã®ãŒã‚ºãƒ©ã‚ºãƒ©å‡ºã¦ã„ãŸã€‚ WARNING! Your cache is running out of filedescriptors ... よã†ã¯ã€æŽ¥ç¶šæ•°ãŒå¤šã™ãŽï¼Ÿã§ãƒ•ã‚¡ã‚¤ãƒ«ã®ãƒ‡ã‚¹ã‚¯ãƒªãƒ—ã‚¿ãŒè¶³ã‚‰ã‚“ã¨ã„ã†ã“ã¨ã‚‰ã—ã„。 調ã¹ã¦ã¿ã‚‹ã¨ã€squidãŒä½¿ç”¨ã§ãるファイルデスクリプタã¯ã€ デフォルト値ã ã¨ã€1024ã¨ã„ã†ã“ã¨ã§ã€ãりゃã™ãç„¡ããªã‚‹ã‚ãªãã£ã¦ã¨ã“ã‚ã§ã™ã€‚ 解決方法 ulimit -HSn xxxxxã§å¢—ã‚„ã—ã¦ã‚„ã£ãŸçŠ¶æ…‹ã§rpm作る squidã®èµ·å‹•ã‚¹ã‚¯ãƒª
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squid-2.x ã®ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ« (先週ã®ã‚¢ã‚¯ã‚»ã‚¹ã¯ 173 件ã§ã—ãŸã€‚) since Jan.1,2000 日本国内ã®squidã®ãƒŸãƒ©ãƒ¼ã‚µã‚¤ãƒˆ 以下ã®ãƒ‰ã‚ュメントã§ã¯æœ¬å®¶ã®ã‚µã‚¤ãƒˆã‚’ソースå–å¾—å…ˆã¨ã—ã¦æ›¸ã„ã¦ã„ã¾ã™ãŒã€ 日本国内ã‹ã‚‰ã¯ã§ãã‚‹ã ã‘ミラーサイトを利用ã—ã¾ã—ょã†ã€‚ squid homepage ã®ãƒŸãƒ©ãƒ¼ã‚µã‚¤ãƒˆ http://www.meisei-u.ac.jp/mirror/squid/ ftp ã®ãƒŸãƒ©ãƒ¼ã‚µã‚¤ãƒˆ æ±å¤§å†…ã‹ã‚‰ãªã‚‰ã¯ã˜ã‚ã®äºŒã¤ãŒãŠè–¦ã‚。 ftp://ring.nacsis.ac.jp/pub/net/www/squid/ ftp://ftp.ecc.u-tokyo.ac.jp/Squid ftp://ftp.dti.ad.jp/pub/unix/net/proxy/squid/ ftp://ftp.TokyoNet.AD.JP/pub/network/WWW/sq
Feature: Redirection Helpers
🔗 Feature: Redirection Helpers Goal: Allow Squid to use custom helpers to redirect and/or hijack web requests on demand to another location. Status: completed Version: 2.5+ Some redirectors are properly called URL re-writers to reflect what they actually do. Which is to alter the URL being handled. Thanks to a long legacy in both Squid and other software (looking at Apache) there are many re-writ
SquidGuard
SquidGuard is a URL redirector used to use blacklists with the proxysoftware Squid. There are two big advantages to squidguard: it is fast and it is free. SquidGuard is published under GNU Public License. Current version: 1.3 Features: Included configurable logging. Progress bar when compiling blacklists. Full sed compliance for rewrite statements. Blocking of urls with hostnames. Some more detail
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[squid-users] cache_peer weighting
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Squid – File Descriptor Limits - PinQ | st. Mudo
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