what is a .PAC file
Proxy auto-config
A PAC file contains a JavaScript function “FindProxyForURL(url, host)”.
Proxy auto-config HTTP cookie Domain Name System Features new to Windows XP Firefox version history World Wide Web Transport Layer Security Proxy server HTTP Firefox JavaScript Google Chrome Web server Hypertext Transfer Protocol Web Proxy Auto-Discovery Protocol Windows Vista networking technologies IPv6 Internet URL redirection Internet privacy Ad blocking Zero-configuration networking Simple Mail Transfer Protocol Internet Explorer PHP History of the Internet Transmission Control Protocol Unicode Features new to Windows Vista C++11 BASIC interpreter CSS Windows 2000 Comparison of user features of messaging platforms Windows Registry Denial-of-service attack JavaScript syntax List of HTTP status codes Load balancing (computing) IPv6 address Tor (network) Anonymous function Network address translation Rust (programming language) List of built-in macOS apps Domain Name System Security Extensions Scope (computer science) Computer network Computer security C syntax Operating system File Transfer Protocol File system History of the World Wide Web Internet censorship circumvention Features new to Windows 8 Command-line interface Dynamic Host Configuration Protocol Features new to Windows 7 XHTML Windows 10 Pointer (computer programming) Internet Explorer 9 Internet Relay Chat Btrieve MTS system architecture ONTAP HTTPS Adobe Flash Features of Firefox Steam (service) Common Lisp C (programming language) Session Initiation Protocol Comparison of C Sharp and Java Cross-site scripting Domain name Windows Vista Universal Plug and Play WebSocket BitTorrent Comparison of programming languages (associative array) IP address Android (operating system) Scala (programming language) Acorn Archimedes PowerShell Linux kernel Wikipedia Browser wars Computer program Norton Internet Security YouTube MediaWiki Nim (programming language) SIP extensions for the IP Multimedia Subsystem X.509 Java (software platform) Python syntax and semantics Mozilla Internet Explorer 6 History of the Opera web browser Twitter Fortran 95 language features Closure (computer programming) Visual Studio Privacy concerns with social networking services NTFS Go (programming language) PNG Gopher (protocol) Mobile security Email GIF Windows 8 List of Google April Fools' Day jokes Same-origin policy Internet of things IOS Favicon CP/M Development communication Netscape Navigator Component Object Model Server Message Block Net neutrality Comment (computer programming) HCL Notes Unified Extensible Firmware Interface URL shortening Anti-spam techniques Comparison of DNS server software UEFI Wireless security Java (programming language) Burroughs Large Systems CUPS Objective-C Safari (web browser) Microsoft Office European Union law Criticism of Facebook South African labour law Border Gateway Protocol Serialization Glossary of baseball terms Telegram (software) File Explorer Search engine Generic programming Bluetooth Wi-Fi Keyboard layout NetWare Windows 9x Internet Explorer version history Java syntax Technical features new to Windows Vista Mojibake Microsoft Windows version history MIDI Common Gateway Interface List of Supernatural characters JPEG Lightweight Directory Access Protocol Internet censorship in China Microsoft Edge Swift (programming language) Monad (functional programming) Windows Search SVG Public key certificate IEEE 802.1aq Scalable Vector Graphics List of Supernatural and The Winchesters characters Comparison of Pascal and C PDF Kubernetes Iterator OS 2200 Eiffel (programming language) IRCd COBOL WhatsApp X Window System core protocol Microsoft SQL Server Facebook X86 assembly language Certificate authority Single-page application United Kingdom labour law Solid-state drive Cache (computing) Smalltalk Microsoft Data Access Components Constructive set theory Spring Framework ASP.NET Web Forms Web crawler Microsoft Access JSON The Pirate Bay HTTP Strict Transport Security Microsoft Windows Internet Explorer 8 SD card Uniform Resource Identifier Phishing Smartphone History of personal computers Design of the FAT file system Stop Online Piracy Act Lustre (file system) MIME Opera Mini Null (SQL) Spyware PL/I XML File Allocation Table Lua (programming language) Luftnachrichten Abteilung 350 Internationalized domain name Scheme (programming language) Web design Adaptive bitrate streaming AppleTalk Internet Protocol version 4 D (programming language) Zilog Z80 Unicode and HTML Browser security Web typography Dartmouth BASIC Kernel (operating system) OpenID Adobe Flash Player Internet protocol suite History of YouTube WinFS Batch file Exception handling syntax DOS Microsoft Silverlight version history User-Agent header DNS over HTTPS Contract Windows 98 Social media Wake-on-LAN Handle System Perl language structure Windows XP RTP-MIDI SOCKS Windows 95 Active Directory Microsoft SmartScreen Entry point Squid (software) HTML5 video XMPP USB List of DOS commands IDN homograph attack Acorn Electron Internet censorship in India DR-DOS Function (computer programming) CPU cache Usenet Master boot record Booting Skype Amazon Kindle UTF-8 Dynamic DNS Internet forum Server Name Indication Control flow Base64 HTML element Persistent uniform resource locator Regular expression Microsoft Excel Common Object Request Broker Architecture Forth (programming language) Dynamic-link library Meta element Tunneling protocol Query string Peripheral Component Interconnect Antenna tuner Session fixation History of the web browser String literal Kodi (software) WHOIS Security and safety features new to Windows Vista Formal Public Identifier Adblock Plus MacOS Perl Digital object identifier UUCP Pwn2Own JSONP Networked advocacy Internet Watch Foundation Online advertising IBM 1130 Santa Cruz Operation FreeBSD Windows 7 File format EPUB Tesla Autopilot C Sharp (programming language) Homebrew (video games) Lubuntu Gab (social network) Internet filter AutoRun Captive portal OpenType ISO/IEC 2022 Type system CICS Pascal (programming language) Const (computer programming) BIOS Windows Runtime Direct Rendering Manager Berkeley sockets List of Facebook features RISC-V JQuery Ubuntu version history General der Nachrichtenaufklärung Spreadsheet OSI model DomainKeys Identified Mail Email authentication Immutable object Freenet Electronic cigarette and e-cigarette liquid marketing History of Internet Explorer Filename extension C++ classes Web analytics Email address MHTML PCI Express Here document Computer mouse Roaming user profile Novell Spring (operating system) Content delivery network FidoNet Extensible Authentication Protocol Internet censorship in Australia Jakarta Enterprise Beans Tilde Programming language NPAPI ASCII Yesod (web framework) Python (programming language) Instant messaging Burroughs MCP Address Resolution Protocol Google Search MobileMe Direct Client-to-Client Comet (programming) ARM architecture family History of video games National identification number Classless Inter-Domain Routing TIFF Content delivery network interconnection HTTP 404 Simple Network Management Protocol Microsoft Office 2010 Commodore DOS Streaming media Push technology Open Shortest Path First Voice over IP Open energy system models Microsoft Folding@home WikiLeaks Mozilla Application Suite Satellite Internet access Foreach loop Constructor (object-oriented programming) ZFS VBScript Smart card Royalty payment Booting process of Windows NT Point of sale Intel Active Management Technology Web browser GNOME Web Ransomware Entity–attribute–value model Ethnomusicology String (computer science) Information security AV1 Java Platform, Standard Edition IPv4 address exhaustion Icon (programming language) DOM event List of Pokémon anime characters Eval The Book of Mozilla Clickjacking Computer virus List of confidence tricks Distributed Data Management Architecture Blisk (web browser) Port (computer networking) QR code Teredo tunneling Virtual hosting NetBIOS CPUID Java applet DNS spoofing Digest access authentication Software versioning WordPerfect DMARC List of HTTP header fields Wine (software) Educational technology Function object Microsoft Office 2007 OpenDNS Enumerated type Port Control Protocol Java virtual machine Support programs for OS/360 and successors MSN Chat RSS Bookmark (digital) Computer terminal Tiny BASIC Representational state transfer Assembly language ZIP (file format) Link aggregation USB flash drive Windows 11 Google Analytics Reception of WikiLeaks IBM 3270 HTML form Reading Network Time Protocol Cryptography Netfilter HDMI TRS-80 C++ Commodore 64 peripherals Nintendo Switch Gmail Internet censorship and surveillance in Europe File locking Data General Nova Windows Mobile React (software) Communication protocol Buffer overflow Fake news Unix security Criminal procedure in South Africa Dell M1000e Timeline of computer viruses and worms K-Meleon Geographic information system Tartan Zone file Diving rebreather Adobe ColdFusion Web colors SERCOS III Control table Floating-point arithmetic Microsoft DNS Password Windows Media Player Attempts to overturn the 2020 United States presidential election 2010s global surveillance disclosures Windows Live Messenger X Window System List of Doom ports X-Forwarded-For Virtual world framework FOCAL (programming language) IP Pascal Endianness Web 2.0 WebAssembly Device fingerprint List of British heritage and private railways Xubuntu DNS hijacking AmigaOS Lisp (programming language) INI file Remote Desktop Services Subprime mortgage crisis ChromeOS Windows NT 3.1 Document Object Model F Sharp (programming language) Windows Update Microsoft Word Standard (warez) Trusted Computing History of free and open-source software Countries blocking access to The Pirate Bay Software testing Opus (audio format) Raku (programming language) Next Generation Air Transportation System United Kingdom constitutional law Cheating in online games Peer-to-peer Nuclear program of Iran Modem Prestel Windows 8.1 History of Microsoft Sitemaps SCO Group API Management features new to Windows Vista Development of Windows Vista Conditional (computer programming) Ternary conditional operator MSN TV Newline Modbus AOL Racket features HTTP referer Smart grid Malware Reliability of Wikipedia Chrome OS X86-64 PostgreSQL Parameter (computer programming) Windows Phone Internet access Health effects of electronic cigarettes Parallel ATA P3P Pretty Good Privacy Node.js History of Eglin Air Force Base Environment variable Glossary of French criminal law Privacy concerns regarding Google Null object pattern Julia (programming language) X86 Port forwarding Deep packet inspection Microsoft PowerPoint Client honeypot This (computer programming) Central processing unit I²C PHP syntax and semantics File select Russian interference in the 2016 United States elections Log4Shell History of the graphical user interface Async/await E-government in Europe Extensible Storage Engine Public key infrastructure Serial ATA Symbolic link List of characters in the Breaking Bad franchise Naming convention (programming) Symbian Time-Sensitive Networking Netscape (web browser) Political positions of Hillary Clinton HTML5 TI MSP430 German radio intelligence operations during World War II List of Assassin's Creed characters South African contract law Vilnius Digital preservation Rebreather diving Atari BASIC Value-form SMS Anti-spam techniques (users) Document type definition List of video games notable for negative reception MS-DOS Overview of gun laws by nation Elevator Message Passing Interface Instagram Job Control Language Wayland (protocol) Rootkit Rexx Home server IPv6 transition mechanism Algorithm Universally unique identifier Botnet Closed captioning Linked list Addressing mode Well-being contributing factors List of Internet Relay Chat commands Reverse DNS lookup Universal Character Set characters Second Life Rich Text Format Memory paging Fat binary Xbox One Hyperlink Indentation style Full BASIC Windows XP editions .NET Framework Posting style Sender Policy Framework Commodore 128 ASCII art Net neutrality in the United States Elections in the United Kingdom DICOM File URI scheme HyperTalk Mutator method IP Multimedia Subsystem Acid3 Daniel H. Overmyer National Security Agency Vault 7 Deep learning Commodore 64 Prolog Recursion (computer science) Algorithmic bias Internet censorship and surveillance in Asia Distributed file system for cloud International Space Station IP multicast Object-oriented programming Automated teller machine MOS Technology 6502 WebUSB Television in the United States BASIC Cross-platform software Multiple dispatch Litigation involving Apple Inc. Point-to-Point Protocol over Ethernet GNU General Public License ARPANET Reliability engineering Comparison of command shells Code injection APL (programming language) Name server For loop Bulletin board system D-STAR Spanning Tree Protocol Personal information management Computer Meta refresh Internet Explorer 3 Resource fork Mosaic (web browser) .local Cyberwarfare Fluent interface AppleScript MPEG-1 Path (computing) Censorship in China PostScript fonts Root name server Email client Telecommunications Visitor pattern Dynamic web page Kotlin (programming language) Haskell features Palm OS Targeted advertising Comparison of e-book formats 3D printing List of accidents and incidents involving military aircraft (1955–1959) Bookmarklet Security alarm Privacy SoftEther VPN Microsoft Bing Hillary Clinton email controversy PageRank QuickTime OpenBSD History of broadcasting in Australia Internet security Artificial intelligence ANTIC QUIC Flash memory Windows Script Host Diving safety Fast flux C shell Memory management unit List of My Hero Academia characters Decorator pattern Intel Linux Text messaging Vienna Development Method Personal computer SCADA Windows Server 2008 Name mangling VM (operating system) Oyster card Real-Time Messaging Protocol DuckDuckGo PL/SQL History of Apple Inc. Keyword Services Platform Consistency model Gene expression programming ISCSI Windows Server 2003 V850 List of Person of Interest characters Economic history of the United States DNIX AMPRNet Gmail interface Emacs Modula-3 About URI scheme Functional programming Google Drive South African criminal law Digital camera Criticism of Amazon United States Postal Service Computer keyboard IEEE 1394 AWK Search engine privacy Mobile operating system History of wikis Session (computer science) Diving cylinder Profinet Idle scan Hash function United States labor law Microsoft Outlook COM file History of Detroit Beta distribution Bible-Presbyterian churches (Singapore) Application delivery network Plan 9 from Bell Labs Percent-encoding Haxe Null coalescing operator Top-level domain High Efficiency Video Coding Web performance Database Mibbit Parallel port Imperial Roman army List of recurring The Simpsons characters Identity document Millennials Gecko (software) ICANN Time formatting and storage bugs X.Org Server Index of Internet-related articles Microsoft Office XP Dynamic programming Institutional racism Ajax (programming) Literacy Domain fronting Firefox 4 Blink element OpenVMS Criticism of Google Fuzzy concept PIC microcontrollers List of SIP response codes OpenBSD security features Web framework Mixin Wikimedia censorship in mainland China MP3 Goto Upload components Cloud computing Generation Z in the United States Telehealth Funkabwehr POST (HTTP) Browser hijacking Home network Reserved word Minecraft List of Jimmy Fallon games and sketches Algorithmic skeleton Trademark OS/2 Features of Skype TypeScript Cathode-ray tube Northern Ireland Xargs Webalizer Extended Validation Certificate Steele dossier PlayStation 3 Spectre (security vulnerability) Hard coding USB hardware Video game The Dresden Files characters Lambda calculus Home computer Bash (Unix shell) Wiki Comparison of OpenGL and Direct3D Quotation mark England AIM (software) Patriot Act Video games and Linux Character encodings in HTML Conditional preservation of the saints Gbcast Legal aspects of file sharing Selenium (software) Mobile web analytics Shell script Domain Name System blocklist QWERTY Quirks mode Oddworld Inhabitants E-democracy Heartbleed Human rights and encryption Reference counting Disk formatting SystemVerilog Internet Explorer 5 Hard disk drive Blockade of Germany (1939–1945) Timeline of events associated with Anonymous Standard streams Windows Subsystem for Linux GNU Emacs List of Garo characters OpenStack OpenDocument technical specification WordStar Dynamic loading Reddit ABAP Dynamic HTML Cosmos (operating system) Anycast IWork Dell PowerConnect Program optimization Files-11 TR-069 Sex trafficking Technological and industrial history of 21st-century Canada Recursive Internetwork Architecture Erlang (programming language) 1996 California Proposition 218 Hillary Clinton's tenure as Secretary of State Imperative programming CSS box model Resource management (computing) Internet Standard 44th Medical Brigade Slash (punctuation) Spy pixel Systemd Blueberry (comics) DisplayPort Handloading History of computing hardware Spacetime History of Wikipedia ALTO (protocol) Emacs Lisp Optical disc drive .onion Widevine Session border controller Joint Comprehensive Plan of Action Firefox early version history Logistic regression BBC Micro Glossary of jazz and popular music Dell Blockchain Microsoft Office shared tools List of Mad Men characters Applications of artificial intelligence Office Open XML file formats Blu-ray Ising model List of computer term etymologies UMTS Characters of the Street Fighter series Timeline of United States inventions (1946–1991) SQL injection Telecommunications (Interception and Access) Amendment (Data Retention) Act 2015 IEEE 802.11 HTTP pipelining Secure Shell Internet Explorer 10 Internet censorship CONFIG.SYS Usage share of operating systems Differential geometry of surfaces EMV PDP-8 Web API UTF-16 Criticism of Netflix C dynamic memory allocation Architecture of Windows NT Ubuntu Telescript (programming language) NetBIOS over TCP/IP Btrfs Logic programming Videotelephony List of Suits characters Protocol Wars Email spam ISO 9660 Unix time Internet Archive Memoization United Russia Media type Elm (programming language) Religious symbolism in the United States military Brain–computer interface Git Augmented reality Microkernel D-Bus Cryptocurrency Flix (programming language) Underscore.js Criticism of Wikipedia C preprocessor Sexual harassment Social networking service Dart (programming language) PCI configuration space European debt crisis History of Australia United Kingdom insolvency law Acorn Computers Library (computing) MAC address