이 문서는 Firefox에서 웹사이트를 보고자 할 때 발생하는 에러메시지를 진단하고 고치는 정보를 제공합니다. __TOC__ = Connection errors = Error messages that indicate connection problems: * '''Unable to connect''' * '''Server not found''' If you experience one of these errors intermittently, check your Internet connection. If you connect wirelessly, make sure you are connected to the nearest access point and that the signal is strong. If you experience one of these errors on some or all websites, see the following articles: * [[Firefox cannot load websites but other programs can]] - if you can view websites in browsers other than Firefox. * [[No programs can load websites]] - if you can't view websites in any browser. * [[Cannot connect after upgrading Firefox]] - if you experience connection problems after updating Firefox. = Errors loading secure sites = If you experience an error accessing a website over a secure (HTTPS) connection, see the articles below that correspond to the error message you see: {for fx35} * [[This Connection Is Untrusted]] {/for} * [[Secure Connection Failed]] * [[Error code 500 accessing secure sites]] * [[Could not initialize the browser security component]] = Interrupted or reset connection = The following error can occur if the website you're visiting is experiencing problems: * '''The connection was interrupted''' * '''The connection was reset''' * '''The connection has timed out''' If you can visit the website in other browsers but not in Firefox: [[T:clearCookiesCache]] = Proxy errors = Error messages that indicate proxy problems: * '''The proxy server is refusing connections''' * '''Unable to find the proxy server''' This error indicates that Firefox is trying to access the Internet through a [http://en.wikipedia.org/wiki/Proxy_server proxy server]. To check your proxy settings: # [[T:optionspreferences]] # Select the {menu Advanced} panel. # Select the '''Network''' tab. # In the Connection section, click {button Settings...}. # Change your proxy settings: ** If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select '''No Proxy'''. ** If you connect to the Internet through a proxy, compare Firefox's settings to another browser's {for win}(Such as Internet Explorer. See [http://support.microsoft.com/kb/135982 Microsoft's guide to proxy settings]){/for}{for mac}(Such as Safari. See [http://docs.info.apple.com/article.html?path=Safari/3.0/en/9299.html Apple's guide to proxy settings]){/for}. # Close the Connection Settings window. # [[T:closeOptionsPreferences]] = Malicious website errors = If you receive one of the following errors, Firefox has blocked access to the website you're visiting to protect you from [http://en.wikipedia.org/wiki/Malware malware] or [http://en.wikipedia.org/wiki/Phishing web forgery (phishing)]. * '''Suspected Attack Site!''' * '''Suspected Web Forgery!''' For more information, see [http://www.mozilla.com/en-US/firefox/phishing-protection/ Phishing and Malware Protection (Mozilla.com)]. = Other error messages = == The ... plugin has crashed == This means that a plugin which is being used to display content on the current page has unexpectedly quit. * See [[Plugin crash reports]] == Offline mode == Your operating system indicates to Firefox whether it is connected to the Internet. If it reports that it is not connected, Firefox will go into offline mode. If you are connected: * On the menu bar, click {menu File} and select {menu Work Offline}. == The page isn't redirecting properly == This problem can be caused by problems with cookies: * See [[Websites say cookies are blocked]]. == File not found == <!--Reference: http://support.mozilla.com/tiki-view_forum_thread.php?locale=en-US&comments_parentId=435172&forumId=1--> If you experience this error when trying to access a local file (with a '''file://''' UR<!---->L), the path you are trying to access is either incorrect or inaccessible - verify the path. If you experience this error trying to access a website, see: * [[Troubleshooting extensions and themes]] * [[Is my Firefox problem a result of malware]] == Content Encoding Error == <!--Rogue firewall or incorrect proxy (sometimes from the firewall, sometimes from a web-accelerator) is a common cause. However, cookies/cache, extensions/themes/plugins, and corrupt preferences can cause it too.--> The following error messages indicate a content encoding problem: * '''Content Encoding Error''' * '''The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression''' Several problems can result in a content encoding error message. To diagnose and fix: # Check the settings of any Internet security applications you use (including firewalls, anti-virus or anti-spyware programs, and privacy protection programs). You should try to remove any permissions those applications have for Firefox, and then add them again. For program-specific instructions for a number of applications, see [[Firewalls]]. # Follow the [[Basic Troubleshooting#Standard troubleshooting steps|Standard troubleshooting steps]]. == This address is restricted == This error occurs when you are attempting to connect to a web server on a [http://en.wikipedia.org/wiki/Tcp_port port] that is reserved for another application. If the web address (UR<!---->L) you are trying to visit contains a colon followed by a number (e.g. ''http://webserver.tld:23''), try removing that portion (e.g. ''http://webserver.tld'') or replacing it with '':80'' (e.g. ''http://webserver.tld:80'') If specifying a different port does not work, you may have been given an incorrect web address. <!-- Oops - can't load this page for some reason The address isn't valid Unsafe File Type The address wasn't understood - You might need to install other software to open this address Unexpected response from server --> = Other issues = * [[Warning Unresponsive script]] * [[Websites look wrong|The web page just doesn't look right]] {for win} * [[Firefox never finishes loading certain websites|Certain websites never finish loading]] {/for} * [[Cannot log in to websites]]. You may receive an error similar to ''We were unable to process your login request'' or ''An unspecified error has occurred'' when you attempt to sign into websites with your username and password, or the login may simply fail. <!-- MZ credit --> <br/> <br/> '''''Based on information from [http://kb.mozillazine.org/Error_loading_websites Error loading websites (mozillaZine KB)]'''''

이 문서는 Firefox에서 웹사이트를 보고자 할 때 발생하는 에러메시지를 진단하고 고치는 정보를 제공합니다.

Connection errors

Error messages that indicate connection problems:

• Unable to connect
• Server not found

If you experience one of these errors intermittently, check your Internet connection. If you connect wirelessly, make sure you are connected to the nearest access point and that the signal is strong.

If you experience one of these errors on some or all websites, see the following articles:

• Firefox만 웹 페이지 로딩이 안되는 경우 - if you can view websites in browsers other than Firefox.
• Firefox와 다른 브라우저들이 웹 사이트를 로드하지 못합니다 - if you can't view websites in any browser.
• Firefox 업데이트 이후 웹사이트 연결 문제 해결 - if you experience connection problems after updating Firefox.

Errors loading secure sites

If you experience an error accessing a website over a secure (HTTPS) connection, see the articles below that correspond to the error message you see:

• Firefox에서 "보안 연결 실패" 오류 해결 방법
• Error code 500 accessing secure sites
• "프로그램의 보안 설정을 초기화 할 수 없습니다" 문제 해결

Interrupted or reset connection

The following error can occur if the website you're visiting is experiencing problems:

• The connection was interrupted
• The connection was reset
• The connection has timed out

If you can visit the website in other browsers but not in Firefox:

1. 메뉴 패널을 열려면 "fx57menu" 이미지가 없습니다. 메뉴 버튼을 클릭하세요.
2. 기록을 클릭하고 최근 기록 지우기…를 선택하세요.
3. 모두 삭제하시려면, 지우는 시간 범위: 메뉴에서 전체를 선택하세요.
4. 메뉴 아래에서 쿠키와 캐시를 모두 선택하세요. 유지하려는 다른 항목이 선택되지 않았는지 확인하세요.
5. 확인을지금 지우기를 클릭하세요.

Proxy errors

Error messages that indicate proxy problems:

• The proxy server is refusing connections
• Unable to find the proxy server

This error indicates that Firefox is trying to access the Internet through a proxy server. To check your proxy settings:

1. 화면 상단의 메뉴 바에서 Firefox를 클릭하고 설정을 선택하세요. 메뉴 버튼을 클릭하고 옵션설정을 선택하세요.메뉴 버튼을 클릭하고 설정을 선택하세요.

2. Select the Advanced panel.
3. Select the Network tab.
4. In the Connection section, click Settings....
5. Change your proxy settings:

• • If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select No Proxy.
  • If you connect to the Internet through a proxy, compare Firefox's settings to another browser's (Such as Internet Explorer. See Microsoft's guide to proxy settings)(Such as Safari. See Apple's guide to proxy settings).

1. Close the Connection Settings window.
2. 설정 페이지를 닫으세요. 변경된 내용은 자동으로 저장됩니다.

Malicious website errors

If you receive one of the following errors, Firefox has blocked access to the website you're visiting to protect you from malware or web forgery (phishing).

• Suspected Attack Site!
• Suspected Web Forgery!

For more information, see Phishing and Malware Protection (Mozilla.com).

Other error messages

The ... plugin has crashed

This means that a plugin which is being used to display content on the current page has unexpectedly quit.

• See 플러그인 문제 보고서

Offline mode

Your operating system indicates to Firefox whether it is connected to the Internet. If it reports that it is not connected, Firefox will go into offline mode. If you are connected:

• On the menu bar, click File and select Work Offline.

The page isn't redirecting properly

This problem can be caused by problems with cookies:

• See 웹 사이트에서 쿠키 차단 해제 방법.

File not found

If you experience this error when trying to access a local file (with a file:// URL), the path you are trying to access is either incorrect or inaccessible - verify the path.

If you experience this error trying to access a website, see:

• 확장 기능, 테마 및 하드웨어 가속 문제 해결 방법
• 악성코드로 인해 발생하는 문제 해결하기

Content Encoding Error

The following error messages indicate a content encoding problem:

• Content Encoding Error
• The page you are trying to view cannot be shown because it uses an invalid or unsupported form of compression

Several problems can result in a content encoding error message. To diagnose and fix:

1. Check the settings of any Internet security applications you use (including firewalls, anti-virus or anti-spyware programs, and privacy protection programs). You should try to remove any permissions those applications have for Firefox, and then add them again. For program-specific instructions for a number of applications, see Firefox의 인터넷 연결을 위한 방화벽 설정하기.
2. Follow the Standard troubleshooting steps.

This address is restricted

This error occurs when you are attempting to connect to a web server on a port that is reserved for another application.

If the web address (URL) you are trying to visit contains a colon followed by a number (e.g. http://webserver.tld:23), try removing that portion (e.g. http://webserver.tld) or replacing it with :80 (e.g. http://webserver.tld:80)

If specifying a different port does not work, you may have been given an incorrect web address.

Other issues

• 경고: 응답없는 스크립트
• The web page just doesn't look right

• 사용자 이름과 암호를 요구하는 웹 사이트의 로그인 문제 해결. You may receive an error similar to We were unable to process your login request or An unspecified error has occurred when you attempt to sign into websites with your username and password, or the login may simply fail.

Based on information from Error loading websites (mozillaZine KB)